Hello Jenkins community, I have setup Jenkins agents over SSH and this agent frequently goes offline with Resource temporarily unavailable error. I had to configure my Jenkins agents to communicate over JNLP. Any advise on how to fix this issue?
Jenkins v2.249.1 [12/04/20 15:23:00] [SSH] Checking java version of java [12/04/20 15:23:01] [SSH] java -version returned 1.8.0_202. [12/04/20 15:23:01] [SSH] Starting sftp client. [12/04/20 15:23:03] [SSH] Remote file system root $JENKINS_SSH_DATA does not exist. Will try to create it... [12/04/20 15:23:03] [SSH] Copying latest remoting.jar... [12/04/20 15:23:03] [SSH] Copied 1,521,553 bytes. Expanded the channel window size to 4MB [12/04/20 15:23:03] [SSH] Starting agent process: cd "$JENKINS_SSH_DATA" && java -jar remoting.jar -workDir $JENKINS_SSH_DATA -jar-cache $JENKINS_SSH_DATA/remoting/jarCache Dec 04, 2020 3:23:29 PM org.jenkinsci.remoting.engine.WorkDirManager initializeWorkDir INFO: Using $JENKINS_SSH_DATA/remoting as a remoting work directory Dec 04, 2020 3:23:29 PM org.jenkinsci.remoting.engine.WorkDirManager setupLogging INFO: Both error and output logs will be printed to $JENKINS_SSH_DATA/remoting <===[JENKINS REMOTING CAPACITY]===>channel started Remoting version: 4.5 This is a Unix agent Evacuated stdout Agent successfully connected and online The Agent is connected, disconnect it before to try to connect it again. Dec 04, 2020 3:33:58 PM org.eclipse.jgit.util.FS discoverGitSystemConfig WARNING: Exception caught during execution of command '[git, config, --system, --edit]' in '$GIT_PATH/bin', return code '128', error message 'fatal: Invalid path '$GIT_PATH/etc': No such file or directory ' Dec 04, 2020 3:33:58 PM org.eclipse.jgit.util.FS$FileStoreAttributes saveToConfig WARNING: locking FileBasedConfig[$JENKINS_PATH/.config/jgit/config] failed after 5 retries Dec 04, 2020 3:33:59 PM org.jenkinsci.remoting.util.AnonymousClassWarnings warn WARNING: Attempt to (de-)serialize anonymous class com.sonyericsson.hudson.plugins.gerrit.trigger.hudsontrigger.GerritTriggerBuildChooser$1; see: https://jenkins.io/redirect/serialization-of-anonymous-classes/ Dec 04, 2020 3:34:24 PM hudson.remoting.Request$2 run WARNING: Failed to send back a reply to the request hudson.remoting.Request$2@493c5a4e java.io.IOException: Resource temporarily unavailable at java.io.FileOutputStream.writeBytes(Native Method) at java.io.FileOutputStream.write(FileOutputStream.java:313) at hudson.remoting.StandardOutputStream.write(StandardOutputStream.java:83) at hudson.remoting.ChunkedOutputStream.sendFrame(ChunkedOutputStream.java:89) at hudson.remoting.ChunkedOutputStream.sendBreak(ChunkedOutputStream.java:62) at hudson.remoting.ChunkedCommandTransport.writeBlock(ChunkedCommandTransport.java:46) at hudson.remoting.AbstractSynchronousByteArrayCommandTransport.write(AbstractSynchronousByteArrayCommandTransport.java:46) at hudson.remoting.Channel.send(Channel.java:766) at hudson.remoting.Request$2.run(Request.java:388) at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:73) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Dec 04, 2020 5:25:30 PM hudson.remoting.Request$2 run WARNING: Failed to send back a reply to the request hudson.remoting.Request$2@2511e2d4 java.io.IOException: Resource temporarily unavailable at java.io.FileOutputStream.writeBytes(Native Method) at java.io.FileOutputStream.write(FileOutputStream.java:326) at hudson.remoting.StandardOutputStream.write(StandardOutputStream.java:88) at hudson.remoting.ChunkedOutputStream.sendFrame(ChunkedOutputStream.java:90) at hudson.remoting.ChunkedOutputStream.drain(ChunkedOutputStream.java:85) at hudson.remoting.ChunkedOutputStream.write(ChunkedOutputStream.java:54) at java.io.OutputStream.write(OutputStream.java:75) at hudson.remoting.ChunkedCommandTransport.writeBlock(ChunkedCommandTransport.java:45) at hudson.remoting.AbstractSynchronousByteArrayCommandTransport.write(AbstractSynchronousByteArrayCommandTransport.java:46) at hudson.remoting.Channel.send(Channel.java:766) at hudson.remoting.Request$2.run(Request.java:388) at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:73) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) ERROR: Connection terminated java.io.StreamCorruptedException: invalid stream header: 00025B42 at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:866) at java.io.ObjectInputStream.<init>(ObjectInputStream.java:358) at hudson.remoting.ObjectInputStreamEx.<init>(ObjectInputStreamEx.java:49) at hudson.remoting.Command.readFrom(Command.java:142) at hudson.remoting.Command.readFrom(Command.java:128) at hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:35) at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:63) Dec 04, 2020 5:32:30 PM hudson.slaves.ChannelPinger$1 onDead INFO: Ping failed. Terminating the channel channel. java.util.concurrent.TimeoutException: Ping started at 1607120910589 hasn't completed by 1607121150590 at hudson.remoting.PingThread.ping(PingThread.java:134) at hudson.remoting.PingThread.run(PingThread.java:90) Thanks, Jigar R -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-users/d11ea78f-af76-44d9-895d-8270ee98872cn%40googlegroups.com.
