Issue
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Agents sometimes fails to launch due to
LinkageErrors like the following:
Caused by: java.lang.LinkageError: Failed to load jenkins.util.SystemProperties
at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:385)
at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:293)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at hudson.FilePath.<clinit>(FilePath.java:2363)
[...]
Caused by: java.lang.NoClassDefFoundError: javax/servlet/ServletContextListener
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
at java.lang.ClassLoader.defineClass(ClassLoader.java:642)
at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:381)
at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:293)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at hudson.FilePath.<clinit>(FilePath.java:2363)
[...]
Caused by: java.lang.ClassNotFoundException: javax.servlet.ServletContextListener
Environment
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CloudBees CI (CloudBees Core) on modern cloud platforms - Managed controller
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CloudBees CI (CloudBees Core) on modern cloud platforms - Operations Center
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CloudBees CI (CloudBees Core) on traditional platforms - Client controller
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CloudBees CI (CloudBees Core) on traditional platforms - Operations Center
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CloudBees Jenkins Enterprise
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CloudBees Jenkins Enterprise - Managed controller
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CloudBees Jenkins Enterprise - Operations center
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Jenkins LTS < 2.107.3
Resolution
This is caused by a known issue JENKINS-46386 fixed in Jenkins LTS 2.107.3 ( 2.113 of Jenkins LTS).
Solution
The solution is to upgrade core to version 2.107.3 or later.
This article is part of our Knowledge Base and is provided for guidance-based purposes only. The solutions or workarounds described here are not officially supported by CloudBees and may not be applicable in all environments. Use at your own discretion, and test changes in a safe environment before applying them to production systems.