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The staged candidate war hudson-war-2.1.2.war contains old versions of the Hudson SSH Slaves plugin Hudson Subversion Plug-in at version 2.1.0 rather than the current 2.1.1 This causes ssh slaves to not reconnect after an upgrade with the following error ERROR: Unexpected error in launching a slave. This is probably a bug in Hudson. java.lang.NoSuchMethodError: com.trilead.ssh2.Connection.exec(Ljava/lang/String;Ljava/io/OutputStream;)I at hudson.plugins.sshslaves.SSHLauncher.verifyNoHeaderJunk(SSHLauncher.java:276) at hudson.plugins.sshslaves.SSHLauncher.launch(SSHLauncher.java:201) at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:194) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) We need to restage the war with the latest tier 1 plugin versions.
Fixed for final release