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From "Andy Fedotov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CAMEL-9448) java.lang.NullPointerException in the DefaultCamelContext.removeEndpoints()
Date Thu, 24 Dec 2015 13:17:49 GMT
Andy Fedotov created CAMEL-9448:
-----------------------------------

             Summary: java.lang.NullPointerException in the DefaultCamelContext.removeEndpoints()
                 Key: CAMEL-9448
                 URL: https://issues.apache.org/jira/browse/CAMEL-9448
             Project: Camel
          Issue Type: Bug
          Components: camel-core
    Affects Versions: 2.15.5, 2.16.1, 2.14.4, 2.14.1
            Reporter: Andy Fedotov
            Priority: Minor


DefaultCamelContext uses LRUSoftCache for endpoints cache. LRUSoftCache store values as SoftReference
which can be reclaimed by GC. DefaultCamelContext.removeEndpoints() does not take into account
this fact. This sometimes leads to java.lang.NullPointerException.

We are still tied to 2.14.x Camel, because of our target environment is IBM enterprise product
running under IBM WAS / IBM JDK 1.6. But seems like this affects all latest Camel releases.
Here is an example of error stack trace I observe from time to time...

{noformat}
0 java.lang.NullPointerException: null 
1 at org.apache.camel.impl.DefaultCamelContext.removeEndpoints(DefaultCamelContext.java:465)
~[camel-core-2.14.1.jar:2.14.1] 
2 at com.amrusoft.easimport.biscc.BisccDocumentImporterBean.execute(BisccDocumentImporterBean.java:196)
~[adapter-biscc-1.4.0.jar:na] 
3 at sun.reflect.GeneratedMethodAccessor600.invoke(Unknown Source) ~[na:na] 
4 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
~[na:1.6.0] 
5 at java.lang.reflect.Method.invoke(Method.java:611) ~[na:1.6.0] 
6 at org.apache.camel.component.bean.MethodInfo.invoke(MethodInfo.java:408) ~[camel-core-2.14.1.jar:2.14.1]

7 at org.apache.camel.component.bean.MethodInfo$1.doProceed(MethodInfo.java:279) ~[camel-core-2.14.1.jar:2.14.1]

8 at org.apache.camel.component.bean.MethodInfo$1.proceed(MethodInfo.java:252) ~[camel-core-2.14.1.jar:2.14.1]

9 at org.apache.camel.component.bean.BeanProcessor.process(BeanProcessor.java:167) ~[camel-core-2.14.1.jar:2.14.1]

10 at org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:105) [camel-core-2.14.1.jar:2.14.1]

11 at org.apache.camel.component.bean.BeanProcessor.process(BeanProcessor.java:67) ~[camel-core-2.14.1.jar:2.14.1]

12 at org.apache.camel.impl.ProcessorEndpoint.onExchange(ProcessorEndpoint.java:103) ~[camel-core-2.14.1.jar:2.14.1]

13 at org.apache.camel.impl.ProcessorEndpoint$1.process(ProcessorEndpoint.java:71) ~[camel-core-2.14.1.jar:2.14.1]

14 at org.apache.camel.util.AsyncProcessorConverterHelper$ProcessorToAsyncProcessorBridge.process(AsyncProcessorConverterHelper.java:61)
~[camel-core-2.14.1.jar:2.14.1] 
15 at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:120) ~[camel-core-2.14.1.jar:2.14.1]

16 at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:72)
[camel-core-2.14.1.jar:2.14.1] 
17 at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:416)
[camel-core-2.14.1.jar:2.14.1] 
18 at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191)
[camel-core-2.14.1.jar:2.14.1] 
19 at org.apache.camel.processor.Pipeline.process(Pipeline.java:118) [camel-core-2.14.1.jar:2.14.1]

20 at org.apache.camel.processor.Pipeline.process(Pipeline.java:80) [camel-core-2.14.1.jar:2.14.1]

21 at org.apache.camel.processor.idempotent.IdempotentConsumer.process(IdempotentConsumer.java:125)
[camel-core-2.14.1.jar:2.14.1] 
22 at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:72)
[camel-core-2.14.1.jar:2.14.1] 
23 at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:416)
[camel-core-2.14.1.jar:2.14.1] 
24 at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191)
[camel-core-2.14.1.jar:2.14.1] 
25 at org.apache.camel.processor.Pipeline.process(Pipeline.java:118) [camel-core-2.14.1.jar:2.14.1]

26 at org.apache.camel.processor.Pipeline.process(Pipeline.java:80) [camel-core-2.14.1.jar:2.14.1]

27 at org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:105) [camel-core-2.14.1.jar:2.14.1]

28 at org.apache.camel.processor.Pipeline.process(Pipeline.java:60) [camel-core-2.14.1.jar:2.14.1]

29 at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:166)
[camel-core-2.14.1.jar:2.14.1] 
30 at org.apache.camel.component.file.GenericFileConsumer.processExchange(GenericFileConsumer.java:433)
[camel-core-2.14.1.jar:2.14.1] 
31 at org.apache.camel.component.file.remote.RemoteFileConsumer.processExchange(RemoteFileConsumer.java:99)
[camel-ftp-2.14.1.jar:2.14.1] 
32 at org.apache.camel.component.file.GenericFileConsumer.processBatch(GenericFileConsumer.java:211)
[camel-core-2.14.1.jar:2.14.1] 
33 at org.apache.camel.component.file.GenericFileConsumer.poll(GenericFileConsumer.java:175)
[camel-core-2.14.1.jar:2.14.1] 
34 at org.apache.camel.impl.ScheduledPollConsumer.doRun(ScheduledPollConsumer.java:187) [camel-core-2.14.1.jar:2.14.1]

35 at org.apache.camel.impl.ScheduledPollConsumer.run(ScheduledPollConsumer.java:114) [camel-core-2.14.1.jar:2.14.1]

36 at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:53)
[spring-context-3.2.11.RELEASE.jar:3.2.11.RELEASE] 
37 at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:81)
[spring-context-3.2.11.RELEASE.jar:3.2.11.RELEASE] 
38 at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:450) [na:1.6.0] 
39 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:314) [na:1.6.0] 
40 at java.util.concurrent.FutureTask.run(FutureTask.java:149) [na:1.6.0] 
41 at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:109)
[na:1.6.0] 
42 at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:217)
[na:1.6.0] 
43 at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:908)
[na:1.6.0] 
44 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:931) [na:1.6.0]

45 at java.lang.Thread.run(Thread.java:773) [na:1.6.0]
{noformat}



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