Uploaded image for project: 'Nuxeo Platform'
  1. Nuxeo Platform
  2. NXP-17304

Avoid possible NPE when reading a blob with a null length

    XMLWordPrintable

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 6.0-HF13
    • Fix Version/s: 6.0-HF14
    • Component/s: Core, Nuxeo Drive
    • Sprint:
      Sprint Drive 7.2-6
    • Story Points:
      1

      Description

      Not sur how this can happen but was noticed by a customer when using Drive Edit with this stack trace client-side:

      2015-06-03 07:13:01,953 3432 7216 ERROR    nxdrive.commandline Error executing 'download_edit': Internal Server Error
      Traceback (most recent call last):
        File "nuxeo-drive-client\nxdrive\commandline.py", line 481, in handle
        File "nuxeo-drive-client\nxdrive\commandline.py", line 575, in download_edit
        File "nuxeo-drive-client\nxdrive\engine\watcher\drive_edit.py", line 147, in edit
        File "nuxeo-drive-client\nxdrive\engine\watcher\drive_edit.py", line 99, in _prepare_edit
        File "nuxeo-drive-client\nxdrive\client\remote_document_client.py", line 95, in get_info
        File "nuxeo-drive-client\nxdrive\client\remote_document_client.py", line 219, in exists
        File "nuxeo-drive-client\nxdrive\client\remote_document_client.py", line 384, in query
        File "nuxeo-drive-client\nxdrive\client\base_automation_client.py", line 344, in execute
        File "C:\Python27\lib\urllib2.py", line 406, in open
        File "C:\Python27\lib\urllib2.py", line 519, in http_response
        File "C:\Python27\lib\urllib2.py", line 444, in error
        File "C:\Python27\lib\urllib2.py", line 378, in _call_chain
        File "C:\Python27\lib\urllib2.py", line 527, in http_error_default
      HTTPError: HTTP Error 500: Internal Server Error
      

      and server-side:

      [org.nuxeo.ecm.automation.jaxrs.io.documents.JsonDocumentListWriter] Failed to serialize document list
      java.lang.NullPointerException
      	at org.nuxeo.ecm.core.storage.sql.coremodel.SQLSession.readBlob(SQLSession.java:1134)
      	at org.nuxeo.ecm.core.storage.sql.coremodel.SQLSession.readComplexProperty(SQLSession.java:906)
      	at org.nuxeo.ecm.core.storage.sql.coremodel.SQLSession.readComplexProperty(SQLSession.java:951)
      	at org.nuxeo.ecm.core.storage.sql.coremodel.SQLDocumentLive.readDocumentPart(SQLDocumentLive.java:157)
      	at org.nuxeo.ecm.core.api.DocumentModelFactory.createDataModel(DocumentModelFactory.java:235)
      	at org.nuxeo.ecm.core.api.AbstractSession.getDataModel(AbstractSession.java:2357)
      	at org.nuxeo.ecm.core.api.impl.DocumentModelImpl$1.run(DocumentModelImpl.java:475)
      	at org.nuxeo.ecm.core.api.impl.DocumentModelImpl$1.run(DocumentModelImpl.java:472)
      	at org.nuxeo.ecm.core.api.impl.DocumentModelImpl$RunWithCoreSession.execute(DocumentModelImpl.java:389)
      	at org.nuxeo.ecm.core.api.impl.DocumentModelImpl.loadDataModel(DocumentModelImpl.java:472)
      	at org.nuxeo.ecm.core.api.impl.DocumentModelImpl.getDataModel(DocumentModelImpl.java:486)
      	at org.nuxeo.ecm.core.api.impl.DocumentModelImpl.getPart(DocumentModelImpl.java:1342)
      	at org.nuxeo.ecm.automation.jaxrs.io.documents.JsonDocumentWriter.writeProperties(JsonDocumentWriter.java:258)
      	at org.nuxeo.ecm.automation.jaxrs.io.documents.JsonDocumentWriter.writeDocument(JsonDocumentWriter.java:206)
      	at org.nuxeo.ecm.automation.jaxrs.io.documents.JsonDocumentListWriter.writeDocuments(JsonDocumentListWriter.java:188)
      	at org.nuxeo.ecm.automation.jaxrs.io.documents.JsonDocumentListWriter.writeDocuments(JsonDocumentListWriter.java:120)
      	at org.nuxeo.ecm.automation.jaxrs.io.documents.JsonDocumentListWriter.writeTo(JsonDocumentListWriter.java:102)
      	at org.nuxeo.ecm.automation.jaxrs.io.documents.JsonDocumentListWriter.writeTo(JsonDocumentListWriter.java:58)
      	at com.sun.jersey.spi.container.ContainerResponse.write(ContainerResponse.java:306)
      	at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1479)
      	at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1391)
      	at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1381)
      	at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416)
      	at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:538)
      	at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:716)
      	at org.nuxeo.ecm.webengine.app.jersey.WebEngineServlet.containerService(WebEngineServlet.java:178)
      	at org.nuxeo.ecm.webengine.app.jersey.WebEngineServlet.service(WebEngineServlet.java:153)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
      	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:45)
      	at org.nuxeo.ecm.webengine.jaxrs.HttpFilter.doFilter(HttpFilter.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.webengine.app.WebEngineFilter.doFilter(WebEngineFilter.java:93)
      	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:42)
      	at org.nuxeo.ecm.webengine.jaxrs.HttpFilter.doFilter(HttpFilter.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.wss.servlet.BaseWSSFilter.doFilter(BaseWSSFilter.java:131)
      	at org.nuxeo.wss.servlet.FailSafeWSSFilter.doFilter(FailSafeWSSFilter.java:56)
      	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:28)
      	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:67)
      	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:129)
      	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:140)
      	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:59)
      	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:585)
      	at org.nuxeo.ecm.platform.ui.web.auth.service.NuxeoAuthFilterChain.doFilter(NuxeoAuthFilterChain.java:36)
      	at org.nuxeo.ecm.platform.ui.web.auth.oauth.NuxeoOAuthFilter.doFilter(NuxeoOAuthFilter.java:119)
      	at org.nuxeo.ecm.platform.ui.web.auth.service.NuxeoAuthFilterChain.doFilter(NuxeoAuthFilterChain.java:34)
      	at org.nuxeo.ecm.platform.ui.web.auth.oauth2.NuxeoOAuth2Filter.doFilter(NuxeoOAuth2Filter.java:68)
      	at org.nuxeo.ecm.platform.ui.web.auth.service.NuxeoAuthFilterChain.doFilter(NuxeoAuthFilterChain.java:34)
      	at org.nuxeo.ecm.platform.ui.web.auth.NuxeoAuthenticationFilter.doFilter(NuxeoAuthenticationFilter.java:398)
      	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.NuxeoCorsFilter.doFilter(NuxeoCorsFilter.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.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:78)
      	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:73)
      	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:503)
      	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:421)
      	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
      	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
      	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2462)
      	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2451)
      	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      	at java.util.concurrent.ThreadPoolExecutor$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)
      2015-06-03 07:13:01,952 WARN  [http-apr-0.0.0.0-8445-exec-9] [org.nuxeo.ecm.webengine.app.WebEngineExceptionMapper] Exception in JAX-RS processing
      javax.ws.rs.WebApplicationException
      	at org.nuxeo.ecm.automation.jaxrs.io.documents.JsonDocumentListWriter.writeTo(JsonDocumentListWriter.java:105)
      	at org.nuxeo.ecm.automation.jaxrs.io.documents.JsonDocumentListWriter.writeTo(JsonDocumentListWriter.java:58)
      	at com.sun.jersey.spi.container.ContainerResponse.write(ContainerResponse.java:306)
      	at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1479)
      	at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1391)
      	at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1381)
      	at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416)
      	at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:538)
      	at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:716)
      	at org.nuxeo.ecm.webengine.app.jersey.WebEngineServlet.containerService(WebEngineServlet.java:178)
      	at org.nuxeo.ecm.webengine.app.jersey.WebEngineServlet.service(WebEngineServlet.java:153)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
      	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:45)
      	at org.nuxeo.ecm.webengine.jaxrs.HttpFilter.doFilter(HttpFilter.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.webengine.app.WebEngineFilter.doFilter(WebEngineFilter.java:93)
      	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:42)
      	at org.nuxeo.ecm.webengine.jaxrs.HttpFilter.doFilter(HttpFilter.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.wss.servlet.BaseWSSFilter.doFilter(BaseWSSFilter.java:131)
      	at org.nuxeo.wss.servlet.FailSafeWSSFilter.doFilter(FailSafeWSSFilter.java:56)
      	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:28)
      	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:67)
      	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:129)
      	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:140)
      	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:59)
      	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:585)
      	at org.nuxeo.ecm.platform.ui.web.auth.service.NuxeoAuthFilterChain.doFilter(NuxeoAuthFilterChain.java:36)
      	at org.nuxeo.ecm.platform.ui.web.auth.oauth.NuxeoOAuthFilter.doFilter(NuxeoOAuthFilter.java:119)
      	at org.nuxeo.ecm.platform.ui.web.auth.service.NuxeoAuthFilterChain.doFilter(NuxeoAuthFilterChain.java:34)
      	at org.nuxeo.ecm.platform.ui.web.auth.oauth2.NuxeoOAuth2Filter.doFilter(NuxeoOAuth2Filter.java:68)
      	at org.nuxeo.ecm.platform.ui.web.auth.service.NuxeoAuthFilterChain.doFilter(NuxeoAuthFilterChain.java:34)
      	at org.nuxeo.ecm.platform.ui.web.auth.NuxeoAuthenticationFilter.doFilter(NuxeoAuthenticationFilter.java:398)
      	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.NuxeoCorsFilter.doFilter(NuxeoCorsFilter.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.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:78)
      	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:73)
      	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:503)
      	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:421)
      	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
      	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
      	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2462)
      	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2451)
      	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)
      

        Attachments

          Activity

            People

            • Votes:
              0 Vote for this issue
              Watchers:
              2 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: