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https://issues.apache.org/jira/browse/FELIX-3907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13589768#comment-13589768
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Jad Naous commented on FELIX-3907:
----------------------------------
I see. Would it be difficult to make it such that things continue to operate
normally for loaded classes, but if a thread tries to do anything for a new
class, then we get a CNFE? I agree this is kind of weird, and something bad is
happening. I'm just thinking about what can be done to minimize diversion from
what is expected to happen with normal classloaders...
> NullPointerException in BundleWiringImpl when m_disposed is true.
> -----------------------------------------------------------------
>
> Key: FELIX-3907
> URL: https://issues.apache.org/jira/browse/FELIX-3907
> Project: Felix
> Issue Type: Bug
> Components: Framework
> Affects Versions: framework-4.2.0
> Environment: Windows
> Reporter: Jad Naous
>
> NullPointerException caused by lines 1472-1474 of
> {{org.apache.felix.framework.BundleWiringImpl}} when {{this.m_disposed ==
> true}}. I don't know why {{this.m_disposed}} is true, but I'm guessing it's
> some sort of race condition. Stack trace follows:
> {noformat}
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer
> java.lang.NullPointerException: null
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1472)
> ~[felix.jar:na]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> org.apache.felix.framework.BundleWiringImpl.access$400(BundleWiringImpl.java:75)
> ~[felix.jar:na]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:1923)
> ~[felix.jar:na]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> java.lang.ClassLoader.loadClass(ClassLoader.java:247) ~[na:1.6.0_37]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> java.lang.Class.getDeclaredFields0(Native Method) ~[na:1.6.0_37]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> java.lang.Class.privateGetDeclaredFields(Class.java:2291) ~[na:1.6.0_37]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> java.lang.Class.getDeclaredField(Class.java:1880) ~[na:1.6.0_37]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> com.nerati.agent.events.RuntimeRecording.getClassId(RuntimeRecording.java:156)
> ~[agent-main-0.0.5-SNAPSHOT.jar:0.0.5-SNAPSHOT]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> com.nerati.agent.events.RuntimeRecording.writeAsJson(RuntimeRecording.java:118)
> ~[agent-main-0.0.5-SNAPSHOT.jar:0.0.5-SNAPSHOT]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> com.nerati.agent.client.ControllerClient.processRequest(ControllerClient.java:160)
> ~[agent-main-0.0.5-SNAPSHOT.jar:0.0.5-SNAPSHOT]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> com.nerati.agent.client.ControllerClient.putData(ControllerClient.java:131)
> ~[agent-main-0.0.5-SNAPSHOT.jar:0.0.5-SNAPSHOT]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> com.nerati.agent.client.ControllerManager.putData(ControllerManager.java:177)
> ~[agent-main-0.0.5-SNAPSHOT.jar:0.0.5-SNAPSHOT]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> com.nerati.agent.client.ControllerSendTask.run(ControllerSendTask.java:119)
> ~[agent-main-0.0.5-SNAPSHOT.jar:0.0.5-SNAPSHOT]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
> [na:1.6.0_37]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
> [na:1.6.0_37]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150) [na:1.6.0_37]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
> [na:1.6.0_37]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180)
> [na:1.6.0_37]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204)
> [na:1.6.0_37]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> [na:1.6.0_37]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> [na:1.6.0_37]
> ( Thread-5) [DEBUG] ntegration.NeratiDeployer at
> java.lang.Thread.run(Thread.java:662) [na:1.6.0_37]
> {noformat}
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