Not able to save a job. Getting the below exception in jenkins logs.
Mar 18, 2021 3:09:33 PM WARNING hudson.init.impl.InstallUncaughtExceptionHandler handleException
Caught unhandled exception with ID 38b0c0f9-145e-442f-925e-079e81a55f12 java.lang.ClassNotFoundException: cached miss for ["jenkins.mvn.DefaultSettingsProvider","org.jenkinsci.plugins.configfiles.maven.job.MvnSettingsProvider","jenkins.mvn.FilePathSettingsProvider"] at hudson.PluginManager$UberClassLoader.findClass(PluginManager.java:2142) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:670) Caused: java.lang.IllegalArgumentException: Class ["jenkins.mvn.DefaultSettingsProvider","org.jenkinsci.plugins.configfiles.maven.job.MvnSettingsProvider","jenkins.mvn.FilePathSettingsProvider"] is specified in JSON, but no such class found in classLoader hudson.PluginManager$UberClassLoader at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:675) Caused: java.lang.IllegalArgumentException: Failed to instantiate class jenkins.mvn.SettingsProvider from {"stapler-class":["jenkins.mvn.DefaultSettingsProvider","org.jenkinsci.plugins.configfiles.maven.job.MvnSettingsProvider","jenkins.mvn.FilePathSettingsProvider"],"$class":["jenkins.mvn.DefaultSettingsProvider","org.jenkinsci.plugins.configfiles.maven.job.MvnSettingsProvider","jenkins.mvn.FilePathSettingsProvider"]} at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:682) at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:479) at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:475) at jenkins.mvn.SettingsProvider.parseSettingsProvider(SettingsProvider.java:36) at hudson.maven.MavenModuleSet.submit(MavenModuleSet.java:1217) at hudson.model.Job.doConfigSubmit(Job.java:1335) at hudson.model.AbstractProject.doConfigSubmit(AbstractProject.java:768) at java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source) at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:396) at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:408) at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212) at org.kohsuke.stapler.SelectionInterceptedFunction$Adapter.invoke(SelectionInterceptedFunction.java:36) at org.kohsuke.stapler.verb.HttpVerbInterceptor.invoke(HttpVerbInterceptor.java:48) at org.kohsuke.stapler.SelectionInterceptedFunction.bindAndInvoke(SelectionInterceptedFunction.java:26) at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:145) at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:536) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:766)