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Posted to notifications@skywalking.apache.org by GitBox <gi...@apache.org> on 2020/12/11 09:23:26 UTC

[GitHub] [skywalking] jaredhu opened a new issue #5993: [Bug]Why does the k8s cluster deployment start an error

jaredhu opened a new issue #5993:
URL: https://github.com/apache/skywalking/issues/5993


   ### Bug
   -Use skywalking-kubernetes helm to deploy in k8s
   
   The following error message appears every time you start
   
   `2020-12-11 09:13:56,370 - org.apache.skywalking.oap.server.core.remote.client.RemoteClientManager -20470 [pool-5-thread-1] ERROR [] - Self remote client invoked to close.
   org.apache.skywalking.oap.server.core.UnexpectedException: Self remote client invoked to close.
   	at org.apache.skywalking.oap.server.core.remote.client.SelfRemoteClient.close(SelfRemoteClient.java:60) ~[server-core-8.3.0.jar:8.3.0]
   	at org.apache.skywalking.oap.server.core.remote.client.RemoteClientManager.lambda$reBuildRemoteClients$8(RemoteClientManager.java:234) ~[server-core-8.3.0.jar:8.3.0]
   	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[?:?]
   	at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) ~[?:?]
   	at java.util.HashMap$ValueSpliterator.forEachRemaining(HashMap.java:1675) ~[?:?]
   	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[?:?]
   	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?]
   	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:?]
   	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:?]
   	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?]
   	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) ~[?:?]
   	at org.apache.skywalking.oap.server.core.remote.client.RemoteClientManager.reBuildRemoteClients(RemoteClientManager.java:234) ~[server-core-8.3.0.jar:8.3.0]
   	at org.apache.skywalking.oap.server.core.remote.client.RemoteClientManager.refresh(RemoteClientManager.java:137) [server-core-8.3.0.jar:8.3.0]
   	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?]
   	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) [?:?]
   	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305) [?:?]
   	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
   	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
   	at java.lang.Thread.run(Thread.java:834) [?:?]`
   
   
   Is it related to the self.yaml configuration file? If it should be modified
   
   I enabled Self Observability according to the document, this error still exists, but self.yaml is not modified


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[GitHub] [skywalking] jaredhu commented on issue #5993: [Bug]Why does the k8s cluster deployment start an error

Posted by GitBox <gi...@apache.org>.
jaredhu commented on issue #5993:
URL: https://github.com/apache/skywalking/issues/5993#issuecomment-744206226


   Okay, I will continue to pay attention


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[GitHub] [skywalking] wu-sheng closed issue #5993: [Bug]Why does the k8s cluster deployment start an error

Posted by GitBox <gi...@apache.org>.
wu-sheng closed issue #5993:
URL: https://github.com/apache/skywalking/issues/5993


   


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[GitHub] [skywalking] wu-sheng commented on issue #5993: [Bug]Why does the k8s cluster deployment start an error

Posted by GitBox <gi...@apache.org>.
wu-sheng commented on issue #5993:
URL: https://github.com/apache/skywalking/issues/5993#issuecomment-743145243


   @hanahmily OK, let's fix this in the 8.4.0.


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[GitHub] [skywalking] wu-sheng commented on issue #5993: [Bug]Why does the k8s cluster deployment start an error

Posted by GitBox <gi...@apache.org>.
wu-sheng commented on issue #5993:
URL: https://github.com/apache/skywalking/issues/5993#issuecomment-743627232


   @jaredhu Take a look at #5995


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[GitHub] [skywalking] hanahmily commented on issue #5993: [Bug]Why does the k8s cluster deployment start an error

Posted by GitBox <gi...@apache.org>.
hanahmily commented on issue #5993:
URL: https://github.com/apache/skywalking/issues/5993#issuecomment-743122883


   Yep, it's a bug, neither relating to SelfObservability nor affecting OAP server main loop, though.
   The OAP instance list mix with some null values causes the close method to throw NPE. We should filter null before inserting it into this list.
   


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