Listed all plugins
Jun 06, 2016 2:05:11 PM WARNING hudson.ExtensionFinder$Sezpoz scout
Failed to scout hudson.plugins.timestamper.pipeline.TimestamperStep$DescriptorImpl
java.lang.InstantiationException: java.lang.NoClassDefFoundError: org/jenkinsci/plugins/workflow/steps/AbstractStepDescriptorImpl
	at net.java.sezpoz.IndexItem.element(IndexItem.java:146)
	at hudson.ExtensionFinder$Sezpoz.scout(ExtensionFinder.java:662)
	at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:383)
	at hudson.ExtensionList.load(ExtensionList.java:349)
	at hudson.ExtensionList.ensureLoaded(ExtensionList.java:287)
	at hudson.ExtensionList.getComponents(ExtensionList.java:167)
	at jenkins.model.Jenkins$9.onInitMilestoneAttained(Jenkins.java:976)
	at jenkins.InitReactorRunner$1.onAttained(InitReactorRunner.java:79)
	at org.jvnet.hudson.reactor.ReactorListener$Aggregator.onAttained(ReactorListener.java:104)
	at org.jvnet.hudson.reactor.Reactor$1.run(Reactor.java:176)
	at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: org/jenkinsci/plugins/workflow/steps/AbstractStepDescriptorImpl
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
	at jenkins.util.AntClassLoader.defineClassFromData(AntClassLoader.java:1139)
	at hudson.ClassicPluginStrategy$AntClassLoader2.defineClassFromData(ClassicPluginStrategy.java:802)
	at jenkins.util.AntClassLoader.getClassFromStream(AntClassLoader.java:1310)
	at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1366)
	at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1326)
	at sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at jenkins.ClassLoaderReflectionToolkit.invoke(ClassLoaderReflectionToolkit.java:44)
	at jenkins.ClassLoaderReflectionToolkit._findClass(ClassLoaderReflectionToolkit.java:86)
	at hudson.PluginManager$UberClassLoader.findClass(PluginManager.java:1209)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	at net.java.sezpoz.IndexItem.element(IndexItem.java:134)
	... 13 more
Caused by: java.lang.ClassNotFoundException: org.jenkinsci.plugins.workflow.steps.AbstractStepDescriptorImpl
	at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1376)
	at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1326)
	at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1079)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	... 29 more

Jun 06, 2016 2:05:11 PM WARNING hudson.ExtensionFinder$Sezpoz _find
Failed to load hudson.plugins.timestamper.pipeline.TimestamperStep$DescriptorImpl
java.lang.InstantiationException: java.lang.NoClassDefFoundError: org/jenkinsci/plugins/workflow/steps/AbstractStepDescriptorImpl
	at net.java.sezpoz.IndexItem.element(IndexItem.java:146)
	at hudson.ExtensionFinder$Sezpoz._find(ExtensionFinder.java:626)
	at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:615)
	at hudson.ExtensionFinder$GuiceFinder.<init>(ExtensionFinder.java:257)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
	at java.lang.Class.newInstance(Class.java:374)
	at net.java.sezpoz.IndexItem.instance(IndexItem.java:181)
	at hudson.ExtensionFinder$Sezpoz._find(ExtensionFinder.java:640)
	at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:615)
	at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:389)
	at hudson.ExtensionList.load(ExtensionList.java:349)
	at hudson.ExtensionList.ensureLoaded(ExtensionList.java:287)
	at hudson.ExtensionList.getComponents(ExtensionList.java:167)
	at jenkins.model.Jenkins$9.onInitMilestoneAttained(Jenkins.java:976)
	at jenkins.InitReactorRunner$1.onAttained(InitReactorRunner.java:79)
	at org.jvnet.hudson.reactor.ReactorListener$Aggregator.onAttained(ReactorListener.java:104)
	at org.jvnet.hudson.reactor.Reactor$1.run(Reactor.java:176)
	at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: org/jenkinsci/plugins/workflow/steps/AbstractStepDescriptorImpl
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
	at jenkins.util.AntClassLoader.defineClassFromData(AntClassLoader.java:1139)
	at hudson.ClassicPluginStrategy$AntClassLoader2.defineClassFromData(ClassicPluginStrategy.java:802)
	at jenkins.util.AntClassLoader.getClassFromStream(AntClassLoader.java:1310)
	at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1366)
	at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1326)
	at sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at jenkins.ClassLoaderReflectionToolkit.invoke(ClassLoaderReflectionToolkit.java:44)
	at jenkins.ClassLoaderReflectionToolkit._findClass(ClassLoaderReflectionToolkit.java:86)
	at hudson.PluginManager$UberClassLoader.findClass(PluginManager.java:1209)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	at net.java.sezpoz.IndexItem.element(IndexItem.java:134)
	... 23 more
Caused by: java.lang.ClassNotFoundException: org.jenkinsci.plugins.workflow.steps.AbstractStepDescriptorImpl
	at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1376)
	at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1326)
	at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1079)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	... 39 more

Jun 06, 2016 2:05:11 PM WARNING hudson.ExtensionFinder$Sezpoz _find
Failed to load hudson.plugins.timestamper.pipeline.TimestamperStep$DescriptorImpl
java.lang.InstantiationException: java.lang.NoClassDefFoundError: org/jenkinsci/plugins/workflow/steps/AbstractStepDescriptorImpl
	at net.java.sezpoz.IndexItem.element(IndexItem.java:146)
	at hudson.ExtensionFinder$Sezpoz._find(ExtensionFinder.java:626)
	at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:615)
	at hudson.ExtensionFinder$GuiceFinder.<init>(ExtensionFinder.java:275)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
	at java.lang.Class.newInstance(Class.java:374)
	at net.java.sezpoz.IndexItem.instance(IndexItem.java:181)
	at hudson.ExtensionFinder$Sezpoz._find(ExtensionFinder.java:640)
	at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:615)
	at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:389)
	at hudson.ExtensionList.load(ExtensionList.java:349)
	at hudson.ExtensionList.ensureLoaded(ExtensionList.java:287)
	at hudson.ExtensionList.getComponents(ExtensionList.java:167)
	at jenkins.model.Jenkins$9.onInitMilestoneAttained(Jenkins.java:976)
	at jenkins.InitReactorRunner$1.onAttained(InitReactorRunner.java:79)
	at org.jvnet.hudson.reactor.ReactorListener$Aggregator.onAttained(ReactorListener.java:104)
	at org.jvnet.hudson.reactor.Reactor$1.run(Reactor.java:176)
	at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: org/jenkinsci/plugins/workflow/steps/AbstractStepDescriptorImpl
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
	at jenkins.util.AntClassLoader.defineClassFromData(AntClassLoader.java:1139)
	at hudson.ClassicPluginStrategy$AntClassLoader2.defineClassFromData(ClassicPluginStrategy.java:802)
	at jenkins.util.AntClassLoader.getClassFromStream(AntClassLoader.java:1310)
	at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1366)
	at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1326)
	at sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at jenkins.ClassLoaderReflectionToolkit.invoke(ClassLoaderReflectionToolkit.java:44)
	at jenkins.ClassLoaderReflectionToolkit._findClass(ClassLoaderReflectionToolkit.java:86)
	at hudson.PluginManager$UberClassLoader.findClass(PluginManager.java:1209)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	at net.java.sezpoz.IndexItem.element(IndexItem.java:134)
	... 23 more
Caused by: java.lang.ClassNotFoundException: org.jenkinsci.plugins.workflow.steps.AbstractStepDescriptorImpl
	at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1376)
	at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1326)
	at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1079)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	... 39 more