Hi,
I just updated our Jenkins installation to version 2.59 (from 2.53) for
which I had to install Java 8 (also on the agents) since it is used by 2.54
and later.
The Jenkins came up again and seemed to be working but there is a problem
when checking out Git repositories on any of our projects. Jenkins seems to
hang:
Fetching changes from the remote Git repository
Cleaning workspace
...and that's it.
When looking into the Jenkins logs I see the following exception:
May 08, 2017 11:34:47 AM
hudson.init.impl.InstallUncaughtExceptionHandler$DefaultUncaughtExceptionHandler
uncaughtException
SEVERE: A thread (Thread-17/172) died unexpectedly due to an uncaught
exception, this may leave your Jenkins in a bad way and is usually
indicative of a bug in the code.
java.lang.NullPointerException
at
com.trilead.ssh2.transport.KexManager.handleMessage(KexManager.java:447)
at
com.trilead.ssh2.transport.TransportManager.receiveLoop(TransportManager.java:790)
at
com.trilead.ssh2.transport.TransportManager$1.run(TransportManager.java:502)
at java.lang.Thread.run(Thread.java:745)
What causes the problem here? How do I fix this?
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