On startup, Jenkins displays the following errors:
java.lang.ClassNotFoundException: groovy.grape.GrapeIvy Failed to instantiate optional component hudson.plugins.build_timeout.operations.AbortAndRestartOperation$DescriptorImpl; skipping hudson.ExtensionFinder$GuiceFinder$FaultTolerantScope$1 error Failed to instantiate Key[type=org.jenkinsci.plugins.matrixauth.AuthorizationMatrixNodeProperty$DescriptorImpl, annotation=[none]]; skipping this component java.lang.ClassNotFoundException: io.jenkins.plugins.casc.BaseConfigurator
I have JDK 1.8.0_211 along with JDK 1.8.0_20 and JAVA_HOME set to "C:\Program Files\Java\jdk1.8.0_211"
Jenkins is reporting version 1.8.0_20 in System Information.
Looks like a binary conflict somewhere.
Just for reference, the following line is related to JENKINS-36696 and not an error.
Failed to instantiate optional component hudson.plugins.build_timeout.operations.AbortAndRestartOperation$DescriptorImpl; skippin