I have restarted jenkins to install sonarqube plugin but getting below error after hitting jenkins URL
com.thoughtworks.xstream.mapper.CannotResolveClassException: hudson.plugins.active_directory.ActiveDirectorySecurityRealm at com.thoughtworks.xstream.mapper.DefaultMapper.realClass(DefaultMapper.java:81) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:125) at com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass(DynamicProxyMapper.java:55) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:125) at com.thoughtworks.xstream.mapper.PackageAliasingMapper.realClass(PackageAliasingMapper.java:88) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:125) at com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass(ClassAliasingMapper.java:79) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:125) at com.thoughtworks.xstream.mapper.ArrayMapper.realClass(ArrayMapper.java:74) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:125) at com.thoughtworks.xstream.mapper.SecurityMapper.realClass(SecurityMapper.java:71) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:125) at hudson.util.XStream2$CompatibilityMapper.realClass(XStream2.java:391) at hudson.util.xstream.MapperDelegate.realClass(MapperDelegate.java:45) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:125) at com.thoughtworks.xstream.mapper.CachingMapper.realClass(CachingMapper.java:47) at hudson.util.RobustReflectionConverter.determineType(RobustReflectionConverter.java:510) at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:341) Caused: jenkins.util.xstream.CriticalXStreamException: ---- Debugging information ---- cause-exception : com.thoughtworks.xstream.mapper.CannotResolveClassException cause-message : hudson.plugins.active_directory.ActiveDirectorySecurityRealm class : hudson.model.Hudson required-type : hudson.model.Hudson converter-type : hudson.util.RobustReflectionConverter path : /hudson/securityRealm line number : 127 version : not available ------------------------------- at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:370) at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:284) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:72) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50) at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134) at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32) at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1391) at hudson.util.XStream2.unmarshal(XStream2.java:174) at hudson.util.XStream2.unmarshal(XStream2.java:145) at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1376) at hudson.XmlFile.unmarshal(XmlFile.java:194) Caused: java.io.IOException: Unable to read C:\Users\muzammil.mohammad\AppData\Local\Jenkins\.jenkins\config.xml at hudson.XmlFile.unmarshal(XmlFile.java:197) at hudson.XmlFile.unmarshal(XmlFile.java:177) at jenkins.model.Jenkins.loadConfig(Jenkins.java:3272) at jenkins.model.Jenkins.access$1200(Jenkins.java:336) at jenkins.model.Jenkins$12.run(Jenkins.java:3374) at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169) at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:296) at jenkins.model.Jenkins$5.runTask(Jenkins.java:1151) at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:214) at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117) at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:68) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused: org.jvnet.hudson.reactor.ReactorException at org.jvnet.hudson.reactor.Reactor.execute(Reactor.java:282) at jenkins.InitReactorRunner.run(InitReactorRunner.java:49) at jenkins.model.Jenkins.executeReactor(Jenkins.java:1184) at jenkins.model.Jenkins.<init>(Jenkins.java:976) at hudson.model.Hudson.<init>(Hudson.java:85) at hudson.model.Hudson.<init>(Hudson.java:81) at hudson.WebAppMain$3.run(WebAppMain.java:298) Caused: hudson.util.HudsonFailedToLoad at hudson.WebAppMain$3.run(WebAppMain.java:315)