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Improvement
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Resolution: Not A Defect
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Major
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None
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Jenkins 2.277.1
Agent Remoting 4.7
AdoptOpenJDK 8 in both Jenkins Master container and the Agent
Kubernetes Plugin 1.29.2
Since I upgraded to Jenkins 2.277.1 (via docker), most of the times that the Kubernetes Plugin tries to create new agents it fails. This is causing the jobs to stay in the queue for a very long time.
This is the trace which `jenkins-agent` gives in the container logs:
Mar 15, 2021 9:21:36 PM hudson.remoting.jnlp.Main createEngine
INFO: Setting up agent: small-volume-rpzzd
Mar 15, 2021 9:21:36 PM hudson.remoting.jnlp.Main$CuiListener <init>
INFO: Jenkins agent is running in headless mode.
Mar 15, 2021 9:21:36 PM hudson.remoting.Engine startEngine
INFO: Using Remoting version: 4.7
Mar 15, 2021 9:21:36 PM org.jenkinsci.remoting.engine.WorkDirManager initializeWorkDir
INFO: Using /home/jenkins/agent/remoting as a remoting work directory
Mar 15, 2021 9:21:36 PM org.jenkinsci.remoting.engine.WorkDirManager setupLogging
INFO: Both error and output logs will be printed to /home/jenkins/agent/remoting
Mar 15, 2021 9:21:56 PM hudson.remoting.jnlp.Main$CuiListener error
SEVERE: Connection failed.
io.jenkins.remoting.shaded.javax.websocket.DeploymentException: Connection failed.
at io.jenkins.remoting.shaded.org.glassfish.tyrus.container.jdk.client.JdkClientContainer$1.call(JdkClientContainer.java:187)
at io.jenkins.remoting.shaded.org.glassfish.tyrus.container.jdk.client.JdkClientContainer$1.call(JdkClientContainer.java:107)
at io.jenkins.remoting.shaded.org.glassfish.tyrus.container.jdk.client.JdkClientContainer.openClientSocket(JdkClientContainer.java:192)
at io.jenkins.remoting.shaded.org.glassfish.tyrus.client.ClientManager$3$1.run(ClientManager.java:647)
at io.jenkins.remoting.shaded.org.glassfish.tyrus.client.ClientManager$3.run(ClientManager.java:696)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at io.jenkins.remoting.shaded.org.glassfish.tyrus.client.ClientManager$SameThreadExecutorService.execute(ClientManager.java:849)
at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112)
at io.jenkins.remoting.shaded.org.glassfish.tyrus.client.ClientManager.connectToServer(ClientManager.java:493)
at io.jenkins.remoting.shaded.org.glassfish.tyrus.client.ClientManager.connectToServer(ClientManager.java:337)
at hudson.remoting.Engine.runWebSocket(Engine.java:623)
at hudson.remoting.Engine.run(Engine.java:470)
Caused by: java.nio.channels.UnresolvedAddressException
at sun.nio.ch.Net.checkAddress(Net.java:104)
at sun.nio.ch.UnixAsynchronousSocketChannelImpl.implConnect(UnixAsynchronousSocketChannelImpl.java:302)
at sun.nio.ch.AsynchronousSocketChannelImpl.connect(AsynchronousSocketChannelImpl.java:210)
at io.jenkins.remoting.shaded.org.glassfish.tyrus.container.jdk.client.TransportFilter.handleConnect(TransportFilter.java:184)
at io.jenkins.remoting.shaded.org.glassfish.tyrus.container.jdk.client.Filter.connect(Filter.java:80)
at io.jenkins.remoting.shaded.org.glassfish.tyrus.container.jdk.client.Filter.connect(Filter.java:83)
at io.jenkins.remoting.shaded.org.glassfish.tyrus.container.jdk.client.Filter.connect(Filter.java:83)
at io.jenkins.remoting.shaded.org.glassfish.tyrus.container.jdk.client.ClientFilter.connect(ClientFilter.java:99)
at io.jenkins.remoting.shaded.org.glassfish.tyrus.container.jdk.client.JdkClientContainer.connectSynchronously(JdkClientContainer.java:326)
at io.jenkins.remoting.shaded.org.glassfish.tyrus.container.jdk.client.JdkClientContainer.access$700(JdkClientContainer.java:58)
at io.jenkins.remoting.shaded.org.glassfish.tyrus.container.jdk.client.JdkClientContainer$1.call(JdkClientContainer.java:156)
... 12 more
I already tried to downgrade Agent Remoting to 4.6 but the same issue remains.
