Bug 725387

Summary:	Drift: Error-'Failed to fetch drift data' on clicking 'Drift-History' tab
Product:	[Other] RHQ Project	Reporter:	Sunil Kondkar <skondkar>
Component:	Core UI	Assignee:	RHQ Project Maintainer <rhq-maint>
Status:	CLOSED CURRENTRELEASE	QA Contact:	Mike Foley <mfoley>
Severity:	unspecified	Docs Contact:
Priority:	medium
Version:	4.1	CC:	hrupp, jshaughn
Target Milestone:	---
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2012-02-07 19:19:48 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:

Description Sunil Kondkar 2011-07-25 11:08:17 UTC

Description of problem:

Clicking on Drift->History tab in resources (Ex: Platform) displays the error 'Failed to fetch drift data' in UI.


Below is the server log:

2011-07-25 15:55:09,212 WARN  [gwt-log] Sending exception to client: [1311589509211] 
java.lang.NullPointerException
	at org.rhq.enterprise.server.drift.DriftServerBean.findDriftCompositesByCriteria(DriftServerBean.java:73)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
	at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
	at org.rhq.enterprise.server.common.PerformanceMonitorInterceptor.monitorHibernatePerformance(PerformanceMonitorInterceptor.java:32)
	at sun.reflect.GeneratedMethodAccessor191.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118)
	at org.rhq.enterprise.server.common.TransactionInterruptInterceptor.addCheckedActionToTransactionManager(TransactionInterruptInterceptor.java:77)
	at sun.reflect.GeneratedMethodAccessor190.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118)
	at org.rhq.enterprise.server.authz.RequiredPermissionsInterceptor.checkRequiredPermissions(RequiredPermissionsInterceptor.java:156)
	at sun.reflect.GeneratedMethodAccessor189.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118)
	at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
	at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
	at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
	at org.jboss.aspects.tx.TxPolicy.invokeInNoTx(TxPolicy.java:66)
	at org.jboss.aspects.tx.TxInterceptor$NotSupported.invoke(TxInterceptor.java:112)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
	at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:95)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
	at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
	at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)
	at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:110)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
	at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
	at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
	at org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:240)
	at org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:210)
	at org.jboss.ejb3.stateless.StatelessLocalProxy.invoke(StatelessLocalProxy.java:84)
	at $Proxy277.findDriftCompositesByCriteria(Unknown Source)
	at org.rhq.enterprise.gui.coregui.server.gwt.DriftGWTServiceImpl.findDriftCompositesByCriteria(DriftGWTServiceImpl.java:117)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:562)
	at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:188)
	at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:224)
	at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
	at org.rhq.enterprise.gui.coregui.server.gwt.AbstractGWTServiceImpl.service(AbstractGWTServiceImpl.java:82)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
	at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276)
	at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:162)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:283)
	at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:56)
	at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:185)
	at org.rhq.enterprise.gui.coregui.server.filter.CacheControlFilter.doFilter(CacheControlFilter.java:70)
	at sun.reflect.GeneratedMethodAccessor295.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
	at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276)
	at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:218)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
	at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:56)
	at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:185)
	at org.rhq.helpers.rtfilter.filter.RtFilter.doFilter(RtFilter.java:124)
	at sun.reflect.GeneratedMethodAccessor111.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
	at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276)
	at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:218)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
	at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:56)
	at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:185)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	at sun.reflect.GeneratedMethodAccessor110.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
	at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276)
	at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:218)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
	at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:56)
	at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:185)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
	at java.lang.Thread.run(Thread.java:619)
s$000(ApplicationFilterChain.java:56)
	at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:185)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	at sun.reflect.GeneratedMethodAccessor110.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
	at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276)
	at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:218)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
	at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:56)
	at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:185)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
	at java.lang.Thread.run(Thread.java:619)
2011-07-25 15:55:09,213 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/coregui]] Exception while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract org.rhq.core.domain.util.PageList org.rhq.enterprise.gui.coregui.client.gwt.DriftGWTService.findDriftCompositesByCriteria(org.rhq.core.domain.criteria.DriftCriteria)' threw an unexpected exception: java.lang.RuntimeException: [1311589509211] java.lang.NullPointerException:null
	at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java:378)
	at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:581)
	at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:188)
	at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:224)
	at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
	at org.rhq.enterprise.gui.coregui.server.gwt.AbstractGWTServiceImpl.service(AbstractGWTServiceImpl.java:82)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
	at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276)
	at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:162)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:283)
	at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:56)
	at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:185)
	at org.rhq.enterprise.gui.coregui.server.filter.CacheControlFilter.doFilter(CacheControlFilter.java:70)
	at sun.reflect.GeneratedMethodAccessor295.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
	at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276)
	at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:218)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
	at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:56)
	at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:185)
	at org.rhq.helpers.rtfilter.filter.RtFilter.doFilter(RtFilter.java:124)
	at sun.reflect.GeneratedMethodAccessor111.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
	at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276)
	at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:218)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
	at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:56)
	at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:185)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	at sun.reflect.GeneratedMethodAccessor110.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
	at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276)
	at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:218)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
	at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:56)
	at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:185)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
	at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.RuntimeException: [1311589509211] java.lang.NullPointerException:null
	at org.rhq.enterprise.gui.coregui.server.gwt.AbstractGWTServiceImpl.getExceptionToThrowToClient(AbstractGWTServiceImpl.java:126)
	at org.rhq.enterprise.gui.coregui.server.gwt.AbstractGWTServiceImpl.getExceptionToThrowToClient(AbstractGWTServiceImpl.java:104)
	at org.rhq.enterprise.gui.coregui.server.gwt.DriftGWTServiceImpl.findDriftCompositesByCriteria(DriftGWTServiceImpl.java:120)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:562)
	... 75 more



Version-Release number of selected component (if applicable):

Build#218 (Version: 4.1.0-SNAPSHOT Build Number: 6eedd25)
Database: Postgres 8.4.2


How reproducible:
Always

Steps to Reproduce:

1. Login to RHQ
2. Navigate to the 'Inventory->Platforms'
3. Click on an inventoried platform
4. Click on the 'Drifts' tab of the platform resource.
5. (It navigates to the 'Drift->History' tab and displays the error)
6. Navigate to the 'Configuration' tab and again click on 'History' tab.
  
Actual results:

It displays error 'Failed to fetch drift data'.

Expected results:

No error should be displayed.

Additional info:

Comment 1 Sunil Kondkar 2011-08-03 10:21:59 UTC

Additional Info:

While testing on Build#244, observed the same error 'Failed to fetch drift data' on clicking 'Reports->Subsystems->Recent Drifts' menu.

Comment 2 Jay Shaughnessy 2011-08-11 16:36:14 UTC

This should be fixed as of the 4.1 beta.

Comment 3 Mike Foley 2011-08-12 13:26:39 UTC

verified 4.1 beta

Comment 4 Mike Foley 2012-02-07 19:19:48 UTC

changing status of VERIFIED BZs for JON 2.4.2 and JON 3.0 to CLOSED/CURRENTRELEASE