Jenkins 2.320, Agent Start up Error

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    • Type: Bug
    • Resolution: Not A Defect
    • Priority: Minor
    • Component/s: core
    • Environment:
      CentOS Linux, version 7

      I upgraded from Jenkins 2.319 to 2.320, and all agents failed to start up. I have agents running on Linux, Mac OS, Solaris, and Windows. Below is the error I got.

      The work around is to visit every agent and remove the remoting.jar from the previous  start up. Without an existing remoting.jar, the agents started up just fine. However, in 2.319 and earlier, I didn't need to manually delete the old file.

      java.io.IOException: Could not copy remoting.jar into '/u/build/jenkins/build2' on agent
       at hudson.plugins.sshslaves.SSHLauncher.copyAgentJar(SSHLauncher.java:715)
       at hudson.plugins.sshslaves.SSHLauncher.access$300(SSHLauncher.java:112)
       at hudson.plugins.sshslaves.SSHLauncher$1.call(SSHLauncher.java:455)
       at hudson.plugins.sshslaves.SSHLauncher$1.call(SSHLauncher.java:422)
       at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
       at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
       at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
       at java.base/java.lang.Thread.run(Unknown Source)
Caused by: java.lang.IllegalArgumentException: invalid len argument
       at com.trilead.ssh2.SFTPv3Client.read(SFTPv3Client.java:1232)
       at com.trilead.ssh2.jenkins.SFTPClient$SFTPInputStream.read(SFTPClient.java:172)
       at com.google.common.io.ByteStreams.toByteArrayInternal(ByteStreams.java:184)
       at com.google.common.io.ByteStreams.toByteArray(ByteStreams.java:224)
       at hudson.plugins.sshslaves.SSHLauncher.readInputStreamIntoByteArrayAndClose(SSHLauncher.java:773)
       at hudson.plugins.sshslaves.SSHLauncher.copyAgentJar(SSHLauncher.java:684)
       ... 7 more

[11/17/21 19:55:59] Launch failed - cleaning up connection

            Assignee:
            Unassigned
            Reporter:
            Shun Cheung
            Archiver:
            Jenkins Service Account

              Created:
              Updated:
              Resolved:
              Archived: