[JIRA] (JENKINS-54005) Trying to unexport an object that's already unexported (is back)

[federi...@al.com.au (JIRA)]

Title: Message Title

Federico Naum created an issue   Jenkins / JENKINS-54005 Trying to unexport an object that's already unexported (is back) Issue Type: Bug Assignee: Jeff Thompson Attachments: log.log Components: remoting, remoting-kafka-plugin Created: 2018-10-11 05:52 Environment: Jenkins 2.141 -(remoting 3.26) kafka-remoting-plugin compiled against remoting 3.26 Priority: Minor Reporter: Federico Naum I thought this was fixed in remoting 3.26 under https://issues.jenkins-ci.org/browse/JENKINS-42533 But today I got this stack trace again when one of my kafka  nodes was idle  (not running any job) just out of the blue it got    INFO: ConnectedINFO: Connected[Channel reader thread: planet] INFO org.apache.kafka.clients.Metadata - Cluster ID: isxhuhJhRGGNrKyNAeNZHg[Channel reader thread: planet] INFO org.apache.kafka.clients.consumer.internals.AbstractCoordinator - [Consumer clientId=consumer-2, groupId=jenkinssecure.8081.planet-id] Discovered group coordinator sydjenkikafka01.al.com.au:9092 (id: 2147483647 rack: null)[kafka-producer-network-thread | producer-2] INFO org.apache.kafka.clients.Metadata - Cluster ID: isxhuhJhRGGNrKyNAeNZHgOct 11, 2018 3:42:18 PM org.jenkinsci.remoting.util.AnonymousClassWarnings warnWARNING: Attempt to (de-)serialize anonymous class net.bull.javamelody.RemoteCallHelper$1; see: https://jenkins.io/redirect/serialization-of-anonymous-classes/ Oct 11, 2018 3:43:43 PM hudson.remoting.ExportTable unexportByOidS EVERE: Trying to unexport an object that's already unexportedjava.util.concurrent.ExecutionException: Invalid object ID 2 iota=3 at hudson.remoting.ExportTable.diagnoseInvalidObjectId(ExportTable.java:478) at hudson.remoting.ExportTable.unexportByOid(ExportTable.java:516) at hudson.remoting.Channel.unexport(Channel.java:803) at hudson.remoting.Channel.unexport(Channel.java:793) at hudson.remoting.UnexportCommand.execute(UnexportCommand.java:49) at hudson.remoting.Channel$1.handle(Channel.java:565) at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:87)Caused by: java.lang.Exception: Object was recently deallocated    #2 (ref.0) : object=null type=hudson.remoting.RemoteClassLoader$ClassLoaderProxy interfaces=[hudson.remoting.RemoteClassLoader$IClassLoader]      Created at Thu Oct 11 15:42:13 AEDT 2018    at hudson.remoting.ExportTable$Entry.<init>(ExportTable.java:114)    at hudson.remoting.ExportTable.export(ExportTable.java:365)  complete log attached. Note the node did not stop working, at least I was able to run jobs after I noticed the stack trace.   Add Comment   This message was sent by Atlassian Jira (v7.11.2#711002-sha1:fdc329d) -- You received this message because you are subscribed to the Google Groups "Jenkins Issues" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-issues+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.