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https://issues.apache.org/jira/browse/SM-2851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15129289#comment-15129289
 ] 

Krzysztof Sobkowiak commented on SM-2851:
-----------------------------------------

I have added some tracing into the {{PaxLoggingAppender}} and found that the 
{{event}} is sometimes {{null}} what leads to the error

> Some itests still fail accidentally with NPE
> --------------------------------------------
>
>                 Key: SM-2851
>                 URL: https://issues.apache.org/jira/browse/SM-2851
>             Project: ServiceMix
>          Issue Type: Bug
>          Components: itests
>            Reporter: Krzysztof Sobkowiak
>             Fix For: 7.0.0.M1, 7.0.0
>
>
> There are still some itests which fail accidentally  with following error
> {code}
> Tests run: 8, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 169.007 sec 
> <<< FAILURE! - in org.apache.servicemix.itests.CxfExamplesTest
> testCxfOsgi(org.apache.servicemix.itests.CxfExamplesTest)  Time elapsed: 
> 19.867 sec  <<< ERROR!
> java.lang.NullPointerException: null
>       at 
> org.apache.servicemix.itests.IntegrationTestSupport$PaxLoggingAppender$$anonfun$containsMessage$1.apply(IntegrationTestSupport.scala:116)
>       at 
> org.apache.servicemix.itests.IntegrationTestSupport$PaxLoggingAppender$$anonfun$containsMessage$1.apply(IntegrationTestSupport.scala:116)
>       at 
> scala.collection.IndexedSeqOptimized$$anonfun$1.apply(IndexedSeqOptimized.scala:50)
>       at 
> scala.collection.IndexedSeqOptimized$$anonfun$1.apply(IndexedSeqOptimized.scala:50)
>       at 
> scala.collection.IndexedSeqOptimized$class.segmentLength(IndexedSeqOptimized.scala:195)
>       at 
> scala.collection.mutable.ArrayBuffer.segmentLength(ArrayBuffer.scala:48)
>       at scala.collection.GenSeqLike$class.prefixLength(GenSeqLike.scala:93)
>       at scala.collection.AbstractSeq.prefixLength(Seq.scala:41)
>       at 
> scala.collection.IndexedSeqOptimized$class.find(IndexedSeqOptimized.scala:50)
>       at scala.collection.mutable.ArrayBuffer.find(ArrayBuffer.scala:48)
>       at 
> org.apache.servicemix.itests.IntegrationTestSupport$PaxLoggingAppender.containsEvent(IntegrationTestSupport.scala:118)
>       at 
> org.apache.servicemix.itests.IntegrationTestSupport$PaxLoggingAppender.containsMessage(IntegrationTestSupport.scala:116)
>       at 
> org.apache.servicemix.itests.CxfExamplesTest$$anonfun$testCxfOsgi$1$$anonfun$apply$mcV$sp$14.apply(ExamplesIntegrationTests.scala:167)
>       at 
> org.apache.servicemix.itests.CxfExamplesTest$$anonfun$testCxfOsgi$1$$anonfun$apply$mcV$sp$14.apply(ExamplesIntegrationTests.scala:167)
>       at 
> org.apache.servicemix.itests.Await$class.org$apache$servicemix$itests$Await$$await(Await.scala:31)
>       at org.apache.servicemix.itests.Await$class.await(Await.scala:28)
>       at 
> org.apache.servicemix.itests.IntegrationTestSupport.await(IntegrationTestSupport.scala:37)
>       at 
> org.apache.servicemix.itests.IntegrationTestSupport.expect(IntegrationTestSupport.scala:82)
>       at 
> org.apache.servicemix.itests.CxfExamplesTest$$anonfun$testCxfOsgi$1.apply$mcV$sp(ExamplesIntegrationTests.scala:167)
>       at 
> org.apache.servicemix.itests.IntegrationTestSupport.testWithFeature(IntegrationTestSupport.scala:74)
>       at 
> org.apache.servicemix.itests.IntegrationTestSupport.testWithFeature(IntegrationTestSupport.scala:64)
>       at 
> org.apache.servicemix.itests.CxfExamplesTest.testCxfOsgi(ExamplesIntegrationTests.scala:166)
> Results :
> Tests in error: 
>   
> CxfExamplesTest.testCxfOsgi:166->IntegrationTestSupport.testWithFeature:64->IntegrationTestSupport.testWithFeature:74->IntegrationTestSupport.expect:82->IntegrationTestSupport.await:37
>  ยป NullPointer
> {code}



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