Issue
Jenkins fails to load due to Null Pointer Exception (NPE)
Starting Jenkins causes the following stack trace
hudson.util.HudsonFailedToLoad: java.lang.NullPointerException
at hudson.WebAppMain$3.run(WebAppMain.java:237)
Caused by: java.lang.NullPointerException
at org.jvnet.hudson.plugins.monitoring.NodesListener.getNodesCollector(NodesListener.java:77)
at org.jvnet.hudson.plugins.monitoring.NodesListener.onOnline(NodesListener.java:53)
at jenkins.model.Jenkins.<init>(Jenkins.java:851)
at hudson.model.Hudson.<init>(Hudson.java:83)
at hudson.model.Hudson.<init>(Hudson.java:79)
at hudson.WebAppMain$3.run(WebAppMain.java:225)
Environment
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CloudBees Jenkins
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Jenkins
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Monitoring Plugin <= v1.59.0
Resolution
Install the Monitoring Plugin v1.60.0 or higher.
See JENKINS-34794.
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