| Summary: | NoClassDefFoundError when dependent class not found | ||
|---|---|---|---|
| Product: | [Other] RHQ Project | Reporter: | Elias Ross <genman> |
| Component: | Plugin Container | Assignee: | Nobody <nobody> |
| Status: | NEW --- | QA Contact: | |
| Severity: | unspecified | Docs Contact: | |
| Priority: | medium | ||
| Version: | 4.1 | CC: | hrupp |
| 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: | Type: | --- | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
per triage meeting (crouch, loleary, foley). medium. no target release. |
If a plugin extends a class that isn't found, then RHQ will incorrectly report that the extending class is not found. Example class import org.apache.xerces.parsers.AbstractSAXParser; class Parser extends AbstractSAXParser { } Thrown exception example: java.util.concurrent.ExecutionException: java.lang.Exception: java.lang.NoClassDefFoundError: org/rhq/plugins/hadoop/JobTrackerQueue$JobParser at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:232) at java.util.concurrent.FutureTask.get(FutureTask.java:91) at org.rhq.core.pc.inventory.ResourceContainer$ResourceComponentInvocationHandler.invokeInNewThreadWithLock(ResourceContainer.java:458) at org.rhq.core.pc.inventory.ResourceContainer$ResourceComponentInvocationHandler.invoke(ResourceContainer.java:446) at $Proxy68.getValues(Unknown Source) at org.rhq.core.pc.measurement.MeasurementCollectorRunner.getValues(MeasurementCollectorRunner.java:111) at org.rhq.core.pc.measurement.MeasurementCollectorRunner.call(MeasurementCollectorRunner.java:91) at org.rhq.core.pc.measurement.MeasurementManager$MeasurementCollectionRequester.run(MeasurementManager.java:172) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:206) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Caused by: java.lang.Exception: java.lang.NoClassDefFoundError: org/rhq/plugins/hadoop/JobTrackerQueue$JobParser at org.rhq.core.pc.inventory.ResourceContainer$ComponentInvocationThread.call(ResourceContainer.java:542) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) ... 3 more Caused by: java.lang.NoClassDefFoundError: org/rhq/plugins/hadoop/JobTrackerQueue$JobParser at org.rhq.plugins.hadoop.JobTrackerQueue$QueueData.<init>(JobTrackerQueue.java:151) at org.rhq.plugins.hadoop.JobTrackerQueue.queueData(JobTrackerQueue.java:55) at org.rhq.plugins.hadoop.JobTrackerQueue.getValues(JobTrackerQueue.java:60) at sun.reflect.GeneratedMethodAccessor56.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.rhq.core.pc.inventory.ResourceContainer$ComponentInvocationThread.call(ResourceContainer.java:537) ... 5 more