Failed to scout com.tikal.jenkins.plugins.multijob.MultiJobBuildSelector
java.lang.InstantiationException: java.lang.NoClassDefFoundError: hudson/plugins/copyartifact/BuildSelector
        at net.java.sezpoz.IndexItem.element(IndexItem.java:146)
        at hudson.ExtensionFinder$Sezpoz.scout(ExtensionFinder.java:666)
        at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:380)
        at hudson.ExtensionList.load(ExtensionList.java:300)
        at hudson.ExtensionList.ensureLoaded(ExtensionList.java:253)
        at hudson.ExtensionList.iterator(ExtensionList.java:143)
        at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:379)
        at hudson.ExtensionList.load(ExtensionList.java:300)
        at hudson.ExtensionList.ensureLoaded(ExtensionList.java:253)
        at hudson.ExtensionList.getComponents(ExtensionList.java:154)
        at hudson.DescriptorExtensionList.load(DescriptorExtensionList.java:183)
        at hudson.ExtensionList.ensureLoaded(ExtensionList.java:253)
        at hudson.ExtensionList.iterator(ExtensionList.java:143)
        at hudson.ExtensionList.get(ExtensionList.java:134)
        at com.cloudbees.jenkins.GitHubPushTrigger$DescriptorImpl.get(GitHubPushTrigger.java:314)
        at org.jenkinsci.plugins.github.migration.Migrator.migrate(Migrator.java:41)
        at org.jenkinsci.plugins.github.GitHubPlugin.postInitialize(GitHubPlugin.java:39)
        at hudson.PluginManager$2$1$2.run(PluginManager.java:389)
        at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169)
        at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
        at jenkins.model.Jenkins$7.runTask(Jenkins.java:904)
        at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
        at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: hudson/plugins/copyartifact/BuildSelector
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
        at jenkins.util.AntClassLoader.defineClassFromData(AntClassLoader.java:1138)
        at hudson.ClassicPluginStrategy$AntClassLoader2.defineClassFromData(ClassicPluginStrategy.java:799)
        at jenkins.util.AntClassLoader.getClassFromStream(AntClassLoader.java:1309)
        at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1365)
        at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1325)
        at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at jenkins.ClassLoaderReflectionToolkit.invoke(ClassLoaderReflectionToolkit.java:44)
        at jenkins.ClassLoaderReflectionToolkit._findClass(ClassLoaderReflectionToolkit.java:86)
        at hudson.PluginManager$UberClassLoader.findClass(PluginManager.java:1119)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at net.java.sezpoz.IndexItem.element(IndexItem.java:134)
        ... 25 more
Caused by: java.lang.ClassNotFoundException: hudson.plugins.copyartifact.BuildSelector
        at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1375)
        at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1325)
        at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1078)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 41 more
Failed to load com.tikal.jenkins.plugins.multijob.MultiJobBuildSelector
java.lang.InstantiationException: java.lang.NoClassDefFoundError: hudson/plugins/copyartifact/BuildSelector
        at net.java.sezpoz.IndexItem.element(IndexItem.java:146)
        at hudson.ExtensionFinder$Sezpoz._find(ExtensionFinder.java:628)
        at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:617)
        at hudson.ExtensionFinder$GuiceFinder.<init>(ExtensionFinder.java:256)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
        at java.lang.Class.newInstance(Class.java:438)
        at net.java.sezpoz.IndexItem.instance(IndexItem.java:181)
        at hudson.ExtensionFinder$Sezpoz._find(ExtensionFinder.java:642)
        at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:617)
        at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:386)
        at hudson.ExtensionList.load(ExtensionList.java:300)
        at hudson.ExtensionList.ensureLoaded(ExtensionList.java:253)
        at hudson.ExtensionList.iterator(ExtensionList.java:143)
        at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:379)
        at hudson.ExtensionList.load(ExtensionList.java:300)
        at hudson.ExtensionList.ensureLoaded(ExtensionList.java:253)
        at hudson.ExtensionList.getComponents(ExtensionList.java:154)
        at hudson.DescriptorExtensionList.load(DescriptorExtensionList.java:183)
        at hudson.ExtensionList.ensureLoaded(ExtensionList.java:253)
        at hudson.ExtensionList.iterator(ExtensionList.java:143)
        at hudson.ExtensionList.get(ExtensionList.java:134)
        at com.cloudbees.jenkins.GitHubPushTrigger$DescriptorImpl.get(GitHubPushTrigger.java:314)
        at org.jenkinsci.plugins.github.migration.Migrator.migrate(Migrator.java:41)
        at org.jenkinsci.plugins.github.GitHubPlugin.postInitialize(GitHubPlugin.java:39)
        at hudson.PluginManager$2$1$2.run(PluginManager.java:389)
        at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169)
        at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
        at jenkins.model.Jenkins$7.runTask(Jenkins.java:904)
        at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
        at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: hudson/plugins/copyartifact/BuildSelector
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
        at jenkins.util.AntClassLoader.defineClassFromData(AntClassLoader.java:1138)
        at hudson.ClassicPluginStrategy$AntClassLoader2.defineClassFromData(ClassicPluginStrategy.java:799)
        at jenkins.util.AntClassLoader.getClassFromStream(AntClassLoader.java:1309)
        at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1365)
        at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1325)
        at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at jenkins.ClassLoaderReflectionToolkit.invoke(ClassLoaderReflectionToolkit.java:44)
        at jenkins.ClassLoaderReflectionToolkit._findClass(ClassLoaderReflectionToolkit.java:86)
        at hudson.PluginManager$UberClassLoader.findClass(PluginManager.java:1119)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at net.java.sezpoz.IndexItem.element(IndexItem.java:134)
        ... 35 more
Caused by: java.lang.ClassNotFoundException: hudson.plugins.copyartifact.BuildSelector
        at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1375)
        at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1325)
        at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1078)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 51 more
Failed to load com.tikal.jenkins.plugins.multijob.MultiJobBuildSelector
java.lang.InstantiationException: java.lang.NoClassDefFoundError: hudson/plugins/copyartifact/BuildSelector
        at net.java.sezpoz.IndexItem.element(IndexItem.java:146)
        at hudson.ExtensionFinder$Sezpoz._find(ExtensionFinder.java:628)
        at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:617)
        at hudson.ExtensionFinder$GuiceFinder.<init>(ExtensionFinder.java:274)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
        at java.lang.Class.newInstance(Class.java:438)
        at net.java.sezpoz.IndexItem.instance(IndexItem.java:181)
        at hudson.ExtensionFinder$Sezpoz._find(ExtensionFinder.java:642)
        at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:617)
        at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:386)
        at hudson.ExtensionList.load(ExtensionList.java:300)
        at hudson.ExtensionList.ensureLoaded(ExtensionList.java:253)
        at hudson.ExtensionList.iterator(ExtensionList.java:143)
        at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:379)
        at hudson.ExtensionList.load(ExtensionList.java:300)
        at hudson.ExtensionList.ensureLoaded(ExtensionList.java:253)
        at hudson.ExtensionList.getComponents(ExtensionList.java:154)
        at hudson.DescriptorExtensionList.load(DescriptorExtensionList.java:183)
        at hudson.ExtensionList.ensureLoaded(ExtensionList.java:253)
        at hudson.ExtensionList.iterator(ExtensionList.java:143)
        at hudson.ExtensionList.get(ExtensionList.java:134)
        at com.cloudbees.jenkins.GitHubPushTrigger$DescriptorImpl.get(GitHubPushTrigger.java:314)
        at org.jenkinsci.plugins.github.migration.Migrator.migrate(Migrator.java:41)
        at org.jenkinsci.plugins.github.GitHubPlugin.postInitialize(GitHubPlugin.java:39)
        at hudson.PluginManager$2$1$2.run(PluginManager.java:389)
        at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169)
        at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
        at jenkins.model.Jenkins$7.runTask(Jenkins.java:904)
        at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
        at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: hudson/plugins/copyartifact/BuildSelector
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
        at jenkins.util.AntClassLoader.defineClassFromData(AntClassLoader.java:1138)
        at hudson.ClassicPluginStrategy$AntClassLoader2.defineClassFromData(ClassicPluginStrategy.java:799)
        at jenkins.util.AntClassLoader.getClassFromStream(AntClassLoader.java:1309)
        at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1365)
        at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1325)
        at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at jenkins.ClassLoaderReflectionToolkit.invoke(ClassLoaderReflectionToolkit.java:44)
        at jenkins.ClassLoaderReflectionToolkit._findClass(ClassLoaderReflectionToolkit.java:86)
        at hudson.PluginManager$UberClassLoader.findClass(PluginManager.java:1119)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at net.java.sezpoz.IndexItem.element(IndexItem.java:134)
        ... 35 more
Caused by: java.lang.ClassNotFoundException: hudson.plugins.copyartifact.BuildSelector
        at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1375)
        at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1325)
        at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1078)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 51 more
Failed to load com.tikal.jenkins.plugins.multijob.MultiJobBuildSelector
java.lang.InstantiationException: java.lang.NoClassDefFoundError: hudson/plugins/copyartifact/BuildSelector
        at net.java.sezpoz.IndexItem.element(IndexItem.java:146)
        at hudson.ExtensionFinder$GuiceFinder$SezpozModule.configure(ExtensionFinder.java:504)
        at com.google.inject.AbstractModule.configure(AbstractModule.java:62)
        at com.google.inject.spi.Elements$RecordingBinder.install(Elements.java:230)
        at com.google.inject.spi.Elements.getElements(Elements.java:103)
        at com.google.inject.internal.InjectorShell$Builder.build(InjectorShell.java:136)
        at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:104)
        at com.google.inject.Guice.createInjector(Guice.java:96)
        at com.google.inject.Guice.createInjector(Guice.java:73)
        at hudson.ExtensionFinder$GuiceFinder.<init>(ExtensionFinder.java:279)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
        at java.lang.Class.newInstance(Class.java:438)
        at net.java.sezpoz.IndexItem.instance(IndexItem.java:181)
        at hudson.ExtensionFinder$Sezpoz._find(ExtensionFinder.java:642)
        at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:617)
        at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:386)
        at hudson.ExtensionList.load(ExtensionList.java:300)
        at hudson.ExtensionList.ensureLoaded(ExtensionList.java:253)
        at hudson.ExtensionList.iterator(ExtensionList.java:143)
        at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:379)
        at hudson.ExtensionList.load(ExtensionList.java:300)
        at hudson.ExtensionList.ensureLoaded(ExtensionList.java:253)
        at hudson.ExtensionList.getComponents(ExtensionList.java:154)
        at hudson.DescriptorExtensionList.load(DescriptorExtensionList.java:183)
        at hudson.ExtensionList.ensureLoaded(ExtensionList.java:253)
        at hudson.ExtensionList.iterator(ExtensionList.java:143)
        at hudson.ExtensionList.get(ExtensionList.java:134)
        at com.cloudbees.jenkins.GitHubPushTrigger$DescriptorImpl.get(GitHubPushTrigger.java:314)
        at org.jenkinsci.plugins.github.migration.Migrator.migrate(Migrator.java:41)
        at org.jenkinsci.plugins.github.GitHubPlugin.postInitialize(GitHubPlugin.java:39)
        at hudson.PluginManager$2$1$2.run(PluginManager.java:389)
        at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169)
        at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
        at jenkins.model.Jenkins$7.runTask(Jenkins.java:904)
        at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
        at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: hudson/plugins/copyartifact/BuildSelector
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
        at jenkins.util.AntClassLoader.defineClassFromData(AntClassLoader.java:1138)
        at hudson.ClassicPluginStrategy$AntClassLoader2.defineClassFromData(ClassicPluginStrategy.java:799)
        at jenkins.util.AntClassLoader.getClassFromStream(AntClassLoader.java:1309)
        at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1365)
        at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1325)
        at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at jenkins.ClassLoaderReflectionToolkit.invoke(ClassLoaderReflectionToolkit.java:44)
        at jenkins.ClassLoaderReflectionToolkit._findClass(ClassLoaderReflectionToolkit.java:86)
        at hudson.PluginManager$UberClassLoader.findClass(PluginManager.java:1119)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at net.java.sezpoz.IndexItem.element(IndexItem.java:134)
        ... 41 more
Caused by: java.lang.ClassNotFoundException: hudson.plugins.copyartifact.BuildSelector
        at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1375)
        at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1325)
        at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1078)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 57 more
Failed to load com.tikal.jenkins.plugins.multijob.MultiJobBuildSelector
java.lang.InstantiationException: java.lang.NoClassDefFoundError: hudson/plugins/copyartifact/BuildSelector
        at net.java.sezpoz.IndexItem.element(IndexItem.java:146)
        at hudson.ExtensionFinder$Sezpoz._find(ExtensionFinder.java:628)
        at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:617)
        at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:386)
        at hudson.ExtensionList.load(ExtensionList.java:300)
        at hudson.ExtensionList.ensureLoaded(ExtensionList.java:253)
        at hudson.ExtensionList.iterator(ExtensionList.java:143)
        at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:379)
        at hudson.ExtensionList.load(ExtensionList.java:300)
        at hudson.ExtensionList.ensureLoaded(ExtensionList.java:253)
        at hudson.ExtensionList.getComponents(ExtensionList.java:154)
        at hudson.DescriptorExtensionList.load(DescriptorExtensionList.java:183)
        at hudson.ExtensionList.ensureLoaded(ExtensionList.java:253)
        at hudson.ExtensionList.iterator(ExtensionList.java:143)
        at hudson.ExtensionList.get(ExtensionList.java:134)
        at com.cloudbees.jenkins.GitHubPushTrigger$DescriptorImpl.get(GitHubPushTrigger.java:314)
        at org.jenkinsci.plugins.github.migration.Migrator.migrate(Migrator.java:41)
        at org.jenkinsci.plugins.github.GitHubPlugin.postInitialize(GitHubPlugin.java:39)
        at hudson.PluginManager$2$1$2.run(PluginManager.java:389)
        at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169)
        at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
        at jenkins.model.Jenkins$7.runTask(Jenkins.java:904)
        at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
        at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: hudson/plugins/copyartifact/BuildSelector
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
        at jenkins.util.AntClassLoader.defineClassFromData(AntClassLoader.java:1138)
        at hudson.ClassicPluginStrategy$AntClassLoader2.defineClassFromData(ClassicPluginStrategy.java:799)
        at jenkins.util.AntClassLoader.getClassFromStream(AntClassLoader.java:1309)
        at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1365)
        at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1325)
        at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at jenkins.ClassLoaderReflectionToolkit.invoke(ClassLoaderReflectionToolkit.java:44)
        at jenkins.ClassLoaderReflectionToolkit._findClass(ClassLoaderReflectionToolkit.java:86)
        at hudson.PluginManager$UberClassLoader.findClass(PluginManager.java:1119)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at net.java.sezpoz.IndexItem.element(IndexItem.java:134)
        ... 26 more
Caused by: java.lang.ClassNotFoundException: hudson.plugins.copyartifact.BuildSelector
        at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1375)
        at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1325)
        at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1078)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 42 more