After updating from Jenkins 2.53 to Jenkins 2.54 the Windows service appears to start successfully but the error log reports an InvocationTargetException caused by an UnsupportedClassVersionError: jenkins/util/SystemProperties : Unsupported major.minor version 52.0
Navigating to the Jenkins homepage gives an error code 503.
Reverting to Jenkins 2.53 fixes the issue.
The jenkins.err file is attached, but the stack trace is as follows:
Our jenkins.xml configuration file is also attached.
|Field||Original Value||New Value|
|Resolution||Not A Defect [ 7 ]|
|Status||Open [ 1 ]||Resolved [ 5 ]|