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  1. Nuxeo Platform
  2. NXP-19407

Threadsafe issue on rest api

    Details

      Description

      When developing on the new web ui, at hot reload or initial load in the browser, from time to time, I have the following client error:

      nuxeo.js:12019 GET http://localhost:5000/nuxeo/api/v1/user/search? 500 (Internal Server Error)(anonymous function) @ nuxeo.js:12019Promise @ nuxeo.js:3954fetch @ nuxeo.js:12008execute @ nuxeo.js:13056Polymer._doExecute @ nuxeo-resource.html:172(anonymous function) @ nuxeo-resource.html:155run @ nuxeo.js:3850(anonymous function) @ nuxeo.js:3863flush @ nuxeo.js:1184
      nuxeo.js:3880 Unhandled promise rejection SyntaxError: Unexpected token <(anonymous function) @ nuxeo.js:3880perform @ nuxeo.js:3822(anonymous function) @ nuxeo.js:3874module.exports @ nuxeo.js:857queue.(anonymous function) @ nuxeo.js:1800run @ nuxeo.js:1788listener @ nuxeo.js:1792
      Navigated to http://localhost:5000/
      

      see screenshot.

      The nuxeo.js error

      nuxeo.js:3880 Unhandled promise rejection SyntaxError: Unexpected token <
      

      is caused by the server returning the default error page.

      On server side, I have:

      11:53:09,254 ERROR [DefaultNuxeoExceptionHandler] java.lang.NullPointerException
      	at org.nuxeo.ecm.core.io.registry.context.ThreadSafeRenderingContext.setParameterValues(ThreadSafeRenderingContext.java:130)
      	at org.nuxeo.ecm.core.io.marshallers.json.DefaultListJsonWriter.write(DefaultListJsonWriter.java:116)
      	at org.nuxeo.ecm.core.io.marshallers.json.DefaultListJsonWriter.write(DefaultListJsonWriter.java:68)
      	at org.nuxeo.ecm.core.io.marshallers.json.AbstractJsonWriter.write(AbstractJsonWriter.java:76)
      	at org.nuxeo.ecm.webengine.jaxrs.coreiodelegate.PartialCoreIODelegate.writeTo(PartialCoreIODelegate.java:121)
      	at com.sun.jersey.spi.container.ContainerResponse.write(ContainerResponse.java:302)
      	at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1510)
      	at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1419)
      	at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1409)
      	at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:409)
      	at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:558)
      	at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:733)
      	at org.nuxeo.ecm.webengine.app.jersey.WebEngineServlet.containerService(WebEngineServlet.java:178)
      	at org.nuxeo.ecm.webengine.app.jersey.WebEngineServlet.service(WebEngineServlet.java:155)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.webengine.jaxrs.session.SessionCleanupFilter.run(SessionCleanupFilter.java:50)
      	at org.nuxeo.ecm.webengine.jaxrs.HttpFilter.doFilter(HttpFilter.java:49)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.webengine.app.WebEngineFilter.doFilter(WebEngineFilter.java:94)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.webengine.jaxrs.context.RequestContextFilter.run(RequestContextFilter.java:48)
      	at org.nuxeo.ecm.webengine.jaxrs.HttpFilter.doFilter(HttpFilter.java:49)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.core.management.jtajca.internal.Log4jWebFilter.doFilter(Log4jWebFilter.java:69)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.ui.web.auth.NuxeoAuthenticationFilter.doFilterInternal(NuxeoAuthenticationFilter.java:592)
      	at org.nuxeo.ecm.platform.ui.web.auth.service.NuxeoAuthFilterChain.doFilter(NuxeoAuthFilterChain.java:51)
      	at org.nuxeo.ecm.platform.ui.web.auth.oauth.NuxeoOAuthFilter.doFilter(NuxeoOAuthFilter.java:122)
      	at org.nuxeo.ecm.platform.ui.web.auth.service.NuxeoAuthFilterChain.doFilter(NuxeoAuthFilterChain.java:49)
      	at org.nuxeo.ecm.platform.ui.web.auth.oauth2.NuxeoOAuth2Filter.doFilter(NuxeoOAuth2Filter.java:83)
      	at org.nuxeo.ecm.platform.ui.web.auth.service.NuxeoAuthFilterChain.doFilter(NuxeoAuthFilterChain.java:49)
      	at org.nuxeo.ecm.platform.ui.web.auth.NuxeoAuthenticationFilter.doFilter(NuxeoAuthenticationFilter.java:402)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:77)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.encoding.NuxeoEncodingFilter.doFilter(NuxeoEncodingFilter.java:75)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748)
      	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486)
      	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411)
      	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338)
      	at org.nuxeo.ecm.restapi.server.APIServlet.service(APIServlet.java:48)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoThreadTrackerFilter.doFilter(NuxeoThreadTrackerFilter.java:43)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.core.management.jtajca.internal.Log4jWebFilter.doFilter(Log4jWebFilter.java:69)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.ui.web.rest.FancyURLFilter.doFilter(FancyURLFilter.java:120)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoRequestControllerFilter.doFilter(NuxeoRequestControllerFilter.java:142)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.webdav.service.WIRequestFilter.doFilter(WIRequestFilter.java:61)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:208)
      	at com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:274)
      	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoCorsFilter.doFilter(NuxeoCorsFilter.java:49)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:77)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.encoding.NuxeoEncodingFilter.doFilter(NuxeoEncodingFilter.java:75)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
      	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
      	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
      	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
      	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
      	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
      	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
      	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
      	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
      	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
      	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
      	at java.lang.Thread.run(Thread.java:745)
      
      11:53:09,263 ERROR [nuxeo-error-log] java.lang.NullPointerException
      	at org.nuxeo.ecm.core.io.registry.context.ThreadSafeRenderingContext.setParameterValues(ThreadSafeRenderingContext.java:130)
      	at org.nuxeo.ecm.core.io.marshallers.json.DefaultListJsonWriter.write(DefaultListJsonWriter.java:116)
      	at org.nuxeo.ecm.core.io.marshallers.json.DefaultListJsonWriter.write(DefaultListJsonWriter.java:68)
      	at org.nuxeo.ecm.core.io.marshallers.json.AbstractJsonWriter.write(AbstractJsonWriter.java:76)
      	at org.nuxeo.ecm.webengine.jaxrs.coreiodelegate.PartialCoreIODelegate.writeTo(PartialCoreIODelegate.java:121)
      	at com.sun.jersey.spi.container.ContainerResponse.write(ContainerResponse.java:302)
      	at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1510)
      	at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1419)
      	at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1409)
      	at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:409)
      	at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:558)
      	at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:733)
      	at org.nuxeo.ecm.webengine.app.jersey.WebEngineServlet.containerService(WebEngineServlet.java:178)
      	at org.nuxeo.ecm.webengine.app.jersey.WebEngineServlet.service(WebEngineServlet.java:155)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.webengine.jaxrs.session.SessionCleanupFilter.run(SessionCleanupFilter.java:50)
      	at org.nuxeo.ecm.webengine.jaxrs.HttpFilter.doFilter(HttpFilter.java:49)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.webengine.app.WebEngineFilter.doFilter(WebEngineFilter.java:94)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.webengine.jaxrs.context.RequestContextFilter.run(RequestContextFilter.java:48)
      	at org.nuxeo.ecm.webengine.jaxrs.HttpFilter.doFilter(HttpFilter.java:49)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.core.management.jtajca.internal.Log4jWebFilter.doFilter(Log4jWebFilter.java:69)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.ui.web.auth.NuxeoAuthenticationFilter.doFilterInternal(NuxeoAuthenticationFilter.java:592)
      	at org.nuxeo.ecm.platform.ui.web.auth.service.NuxeoAuthFilterChain.doFilter(NuxeoAuthFilterChain.java:51)
      	at org.nuxeo.ecm.platform.ui.web.auth.oauth.NuxeoOAuthFilter.doFilter(NuxeoOAuthFilter.java:122)
      	at org.nuxeo.ecm.platform.ui.web.auth.service.NuxeoAuthFilterChain.doFilter(NuxeoAuthFilterChain.java:49)
      	at org.nuxeo.ecm.platform.ui.web.auth.oauth2.NuxeoOAuth2Filter.doFilter(NuxeoOAuth2Filter.java:83)
      	at org.nuxeo.ecm.platform.ui.web.auth.service.NuxeoAuthFilterChain.doFilter(NuxeoAuthFilterChain.java:49)
      	at org.nuxeo.ecm.platform.ui.web.auth.NuxeoAuthenticationFilter.doFilter(NuxeoAuthenticationFilter.java:402)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:77)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.encoding.NuxeoEncodingFilter.doFilter(NuxeoEncodingFilter.java:75)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748)
      	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486)
      	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411)
      	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338)
      	at org.nuxeo.ecm.restapi.server.APIServlet.service(APIServlet.java:48)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoThreadTrackerFilter.doFilter(NuxeoThreadTrackerFilter.java:43)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.core.management.jtajca.internal.Log4jWebFilter.doFilter(Log4jWebFilter.java:69)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.ui.web.rest.FancyURLFilter.doFilter(FancyURLFilter.java:120)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoRequestControllerFilter.doFilter(NuxeoRequestControllerFilter.java:142)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.webdav.service.WIRequestFilter.doFilter(WIRequestFilter.java:61)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:208)
      	at com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:274)
      	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoCorsFilter.doFilter(NuxeoCorsFilter.java:49)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:77)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.encoding.NuxeoEncodingFilter.doFilter(NuxeoEncodingFilter.java:75)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
      	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
      	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
      	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
      	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
      	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
      	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
      	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
      	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
      	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
      	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
      	at java.lang.Thread.run(Thread.java:745)
      
      11:53:09,361 ERROR [nuxeo-error-log] 
      Request Attributes:
      
      javax.servlet.forward.request_uri : /nuxeo/api/v1/user/search
      javax.servlet.forward.context_path : /nuxeo
      javax.servlet.forward.servlet_path : /api
      javax.servlet.forward.path_info : /v1/user/search
      javax.servlet.forward.query_string : 
      NuxeoExceptionHandlerMarker : true
      messageBundle : java.util.PropertyResourceBundle@424bd2a1
      nuxeo.disable.redirect.wrapper : true
      user_message : An unexpected error occurred. Click on the following links to get more information or go back to the application.
      _STORED_GENERATED_RENDERING_CONTEXT : org.nuxeo.ecm.core.io.registry.context.RenderingContextImpl@73236cc7
      securityError : false
      
      11:53:10,074 ERROR [[jsp]] Servlet.service() for servlet jsp threw exception
      java.lang.IllegalStateException: getOutputStream() has already been called for this response
      	at org.apache.catalina.connector.Response.getWriter(Response.java:678)
      	at org.apache.catalina.connector.ResponseFacade.getWriter(ResponseFacade.java:213)
      	at javax.servlet.ServletResponseWrapper.getWriter(ServletResponseWrapper.java:104)
      	at org.apache.jasper.runtime.JspWriterImpl.initOut(JspWriterImpl.java:125)
      	at org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:118)
      	at org.apache.jasper.runtime.JspWriterImpl.write(JspWriterImpl.java:281)
      	at org.apache.taglibs.standard.tag.common.core.OutSupport.writeEscapedXml(OutSupport.java:201)
      	at org.apache.taglibs.standard.tag.common.core.OutSupport.out(OutSupport.java:170)
      	at org.apache.taglibs.standard.tag.common.core.OutSupport.doStartTag(OutSupport.java:90)
      	at org.apache.jsp.nuxeo_005ferror_jsp._jspx_meth_c_005fout_005f2(nuxeo_005ferror_jsp.java:340)
      	at org.apache.jsp.nuxeo_005ferror_jsp._jspService(nuxeo_005ferror_jsp.java:225)
      	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
      	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:439)
      	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
      	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.core.management.jtajca.internal.Log4jWebFilter.doFilter(Log4jWebFilter.java:69)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:77)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.encoding.NuxeoEncodingFilter.doFilter(NuxeoEncodingFilter.java:75)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748)
      	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486)
      	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411)
      	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.DefaultNuxeoExceptionHandler.handleException(DefaultNuxeoExceptionHandler.java:125)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoSecurityExceptionHandler.handleException(NuxeoSecurityExceptionHandler.java:62)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.handleException(NuxeoExceptionFilter.java:71)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:80)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.encoding.NuxeoEncodingFilter.doFilter(NuxeoEncodingFilter.java:75)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748)
      	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486)
      	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411)
      	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338)
      	at org.nuxeo.ecm.restapi.server.APIServlet.service(APIServlet.java:48)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoThreadTrackerFilter.doFilter(NuxeoThreadTrackerFilter.java:43)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.core.management.jtajca.internal.Log4jWebFilter.doFilter(Log4jWebFilter.java:69)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.ui.web.rest.FancyURLFilter.doFilter(FancyURLFilter.java:120)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoRequestControllerFilter.doFilter(NuxeoRequestControllerFilter.java:142)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.webdav.service.WIRequestFilter.doFilter(WIRequestFilter.java:61)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:208)
      	at com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:274)
      	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoCorsFilter.doFilter(NuxeoCorsFilter.java:49)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:77)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.encoding.NuxeoEncodingFilter.doFilter(NuxeoEncodingFilter.java:75)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
      	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
      	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
      	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
      	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
      	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
      	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
      	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
      	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
      	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
      	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
      	at java.lang.Thread.run(Thread.java:745)
      11:53:10,087 ERROR [[Nuxeo WebEngine Servlet]] Servlet.service() for servlet Nuxeo WebEngine Servlet threw exception
      java.lang.IllegalStateException: getOutputStream() has already been called for this response
      	at org.apache.catalina.connector.Response.getWriter(Response.java:678)
      	at org.apache.catalina.connector.ResponseFacade.getWriter(ResponseFacade.java:213)
      	at javax.servlet.ServletResponseWrapper.getWriter(ServletResponseWrapper.java:104)
      	at org.apache.jasper.runtime.JspWriterImpl.initOut(JspWriterImpl.java:125)
      	at org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:118)
      	at org.apache.jasper.runtime.JspWriterImpl.write(JspWriterImpl.java:281)
      	at org.apache.taglibs.standard.tag.common.core.OutSupport.writeEscapedXml(OutSupport.java:201)
      	at org.apache.taglibs.standard.tag.common.core.OutSupport.out(OutSupport.java:170)
      	at org.apache.taglibs.standard.tag.common.core.OutSupport.doStartTag(OutSupport.java:90)
      	at org.apache.jsp.nuxeo_005ferror_jsp._jspx_meth_c_005fout_005f2(nuxeo_005ferror_jsp.java:340)
      	at org.apache.jsp.nuxeo_005ferror_jsp._jspService(nuxeo_005ferror_jsp.java:225)
      	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
      	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:439)
      	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
      	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.core.management.jtajca.internal.Log4jWebFilter.doFilter(Log4jWebFilter.java:69)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:77)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.encoding.NuxeoEncodingFilter.doFilter(NuxeoEncodingFilter.java:75)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748)
      	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486)
      	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411)
      	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.DefaultNuxeoExceptionHandler.handleException(DefaultNuxeoExceptionHandler.java:125)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoSecurityExceptionHandler.handleException(NuxeoSecurityExceptionHandler.java:62)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.handleException(NuxeoExceptionFilter.java:71)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:80)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.encoding.NuxeoEncodingFilter.doFilter(NuxeoEncodingFilter.java:75)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748)
      	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486)
      	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411)
      	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338)
      	at org.nuxeo.ecm.restapi.server.APIServlet.service(APIServlet.java:48)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoThreadTrackerFilter.doFilter(NuxeoThreadTrackerFilter.java:43)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.core.management.jtajca.internal.Log4jWebFilter.doFilter(Log4jWebFilter.java:69)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.ui.web.rest.FancyURLFilter.doFilter(FancyURLFilter.java:120)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoRequestControllerFilter.doFilter(NuxeoRequestControllerFilter.java:142)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.webdav.service.WIRequestFilter.doFilter(WIRequestFilter.java:61)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:208)
      	at com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:274)
      	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoCorsFilter.doFilter(NuxeoCorsFilter.java:49)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:77)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.encoding.NuxeoEncodingFilter.doFilter(NuxeoEncodingFilter.java:75)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
      	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
      	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
      	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
      	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
      	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
      	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
      	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
      	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
      	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
      	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
      	at java.lang.Thread.run(Thread.java:745)
      11:53:10,090 ERROR [[Nuxeo API Forward servlet]] Servlet.service() for servlet [Nuxeo API Forward servlet] in context with path [/nuxeo] threw exception [javax.servlet.ServletException: On requestURL: http://localhost:8080/nuxeo/api/v1/user/search] with root cause
      java.lang.IllegalStateException: getOutputStream() has already been called for this response
      	at org.apache.catalina.connector.Response.getWriter(Response.java:678)
      	at org.apache.catalina.connector.ResponseFacade.getWriter(ResponseFacade.java:213)
      	at javax.servlet.ServletResponseWrapper.getWriter(ServletResponseWrapper.java:104)
      	at org.apache.jasper.runtime.JspWriterImpl.initOut(JspWriterImpl.java:125)
      	at org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:118)
      	at org.apache.jasper.runtime.JspWriterImpl.write(JspWriterImpl.java:281)
      	at org.apache.taglibs.standard.tag.common.core.OutSupport.writeEscapedXml(OutSupport.java:201)
      	at org.apache.taglibs.standard.tag.common.core.OutSupport.out(OutSupport.java:170)
      	at org.apache.taglibs.standard.tag.common.core.OutSupport.doStartTag(OutSupport.java:90)
      	at org.apache.jsp.nuxeo_005ferror_jsp._jspx_meth_c_005fout_005f2(nuxeo_005ferror_jsp.java:340)
      	at org.apache.jsp.nuxeo_005ferror_jsp._jspService(nuxeo_005ferror_jsp.java:225)
      	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
      	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:439)
      	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
      	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.core.management.jtajca.internal.Log4jWebFilter.doFilter(Log4jWebFilter.java:69)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:77)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.encoding.NuxeoEncodingFilter.doFilter(NuxeoEncodingFilter.java:75)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748)
      	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486)
      	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411)
      	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.DefaultNuxeoExceptionHandler.handleException(DefaultNuxeoExceptionHandler.java:125)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoSecurityExceptionHandler.handleException(NuxeoSecurityExceptionHandler.java:62)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.handleException(NuxeoExceptionFilter.java:71)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:80)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.encoding.NuxeoEncodingFilter.doFilter(NuxeoEncodingFilter.java:75)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748)
      	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486)
      	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411)
      	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338)
      	at org.nuxeo.ecm.restapi.server.APIServlet.service(APIServlet.java:48)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoThreadTrackerFilter.doFilter(NuxeoThreadTrackerFilter.java:43)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.core.management.jtajca.internal.Log4jWebFilter.doFilter(Log4jWebFilter.java:69)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.ui.web.rest.FancyURLFilter.doFilter(FancyURLFilter.java:120)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoRequestControllerFilter.doFilter(NuxeoRequestControllerFilter.java:142)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.webdav.service.WIRequestFilter.doFilter(WIRequestFilter.java:61)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:208)
      	at com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:274)
      	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoCorsFilter.doFilter(NuxeoCorsFilter.java:49)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:77)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.nuxeo.ecm.platform.web.common.encoding.NuxeoEncodingFilter.doFilter(NuxeoEncodingFilter.java:75)
      	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
      	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
      	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
      	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
      	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
      	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
      	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
      	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
      	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
      	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
      	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
      	at java.lang.Thread.run(Thread.java:745)
      

      Looks like in certain cases, concurrent requests show we are not 100% threadsafe. Indeed the web-ui issues many concurrent requests to load all its elements data.

      In the end, we have 2 issues:

      • why do we have a null context (threadsafe issue IMHO)?
      • why do we return the default error page when we break at this level?

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                  PagerDuty

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