Major See NXP-19716: a NullClientException error is produced on every rest call producing an error, see for instance https://qa.nuxeo.org/jenkins/job/master/job/FT-nuxeo-master-webdriver-cap-tomcat/80/testReport/junit/org.nuxeo.ftest.cap/ITUsersGroupsTest/testCreateSubGroupMember/
Stacktrace org.nuxeo.client.internals.spi.NuxeoClientException: null at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.fasterxml.jackson.databind.introspect.AnnotatedConstructor.call1(AnnotatedConstructor.java:119) at com.fasterxml.jackson.databind.deser.std.StdValueInstantiator.createFromString(StdValueInstantiator.java:291) at com.fasterxml.jackson.databind.deser.std.ThrowableDeserializer.deserializeFromObject(ThrowableDeserializer.java:111) at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:133) at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3807) at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:2797) at org.nuxeo.client.api.marshaller.NuxeoConverterFactory.readJSON(NuxeoConverterFactory.java:100) at org.nuxeo.client.api.objects.NuxeoEntity.getResponse(NuxeoEntity.java:145) at org.nuxeo.client.api.objects.user.UserManager.createGroup(UserManager.java:57) at org.nuxeo.functionaltests.RestHelper.createGroup(RestHelper.java:197) at org.nuxeo.ftest.cap.ITUsersGroupsTest.before(ITUsersGroupsTest.java:79) Standard Output 01:39:54,615 ERROR [AbstractTest] Test 'org.nuxeo.ftest.cap.ITUsersGroupsTest#testCreateSubGroupMember' failed Exception: status: 500 code: org.nuxeo.ecm.webengine.WebException type: Error exception: Group already exists
