javax.servlet.ServletException: java.lang.RuntimeException: Failed to instantiate class hudson.plugins.emailext.ExtendedEmailPublisher from {"project_disabled":false,"project_recipient_list":"$DEFAULT_RECIPIENTS","project_replyto":"$DEFAULT_REPLYTO","project_content_type":"default","project_default_subject":"$DEFAULT_SUBJECT","project_default_content":"$DEFAULT_CONTENT","project_attachments":"","project_attach_buildlog":"0","project_presend_script":"$DEFAULT_PRESEND_SCRIPT","project_save_output":false,"project_triggers":{"stapler-class":"","$class":""},"stapler-class":"hudson.plugins.emailext.ExtendedEmailPublisher","$class":"hudson.plugins.emailext.ExtendedEmailPublisher"} at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:796) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876) at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:249) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649) at org.kohsuke.stapler.Stapler.service(Stapler.java:238) at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:686) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1494) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:123) at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:114) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482) at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84) at hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) at jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) at org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) at jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:93) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249) at hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:67) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76) at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:171) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482) at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482) at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482) at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1474) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:533) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) at org.eclipse.jetty.server.Server.handle(Server.java:370) at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489) at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:960) at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1021) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240) at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82) at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668) at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52) at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: java.lang.RuntimeException: Failed to instantiate class hudson.plugins.emailext.ExtendedEmailPublisher from {"project_disabled":false,"project_recipient_list":"$DEFAULT_RECIPIENTS","project_replyto":"$DEFAULT_REPLYTO","project_content_type":"default","project_default_subject":"$DEFAULT_SUBJECT","project_default_content":"$DEFAULT_CONTENT","project_attachments":"","project_attach_buildlog":"0","project_presend_script":"$DEFAULT_PRESEND_SCRIPT","project_save_output":false,"project_triggers":{"stapler-class":"","$class":""},"stapler-class":"hudson.plugins.emailext.ExtendedEmailPublisher","$class":"hudson.plugins.emailext.ExtendedEmailPublisher"} at hudson.model.Descriptor.newInstance(Descriptor.java:579) at hudson.model.Descriptor.newInstancesFromHeteroList(Descriptor.java:941) at hudson.model.Descriptor.newInstancesFromHeteroList(Descriptor.java:903) at hudson.util.DescribableList.rebuildHetero(DescribableList.java:208) at hudson.model.Project.submit(Project.java:236) at hudson.model.Job.doConfigSubmit(Job.java:1206) at hudson.model.AbstractProject.doConfigSubmit(AbstractProject.java:788) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:298) at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:161) at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:96) at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:121) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746) ... 63 more Caused by: java.lang.IllegalArgumentException: Failed to instantiate class hudson.plugins.emailext.ExtendedEmailPublisher from {"project_disabled":false,"project_recipient_list":"$DEFAULT_RECIPIENTS","project_replyto":"$DEFAULT_REPLYTO","project_content_type":"default","project_default_subject":"$DEFAULT_SUBJECT","project_default_content":"$DEFAULT_CONTENT","project_attachments":"","project_attach_buildlog":"0","project_presend_script":"$DEFAULT_PRESEND_SCRIPT","project_save_output":false,"project_triggers":{"stapler-class":"","$class":""},"stapler-class":"hudson.plugins.emailext.ExtendedEmailPublisher","$class":"hudson.plugins.emailext.ExtendedEmailPublisher"} at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:602) at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:404) at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:400) at hudson.model.Descriptor.newInstance(Descriptor.java:570) ... 79 more Caused by: java.lang.IllegalArgumentException: Failed to convert the project_triggers parameter of the constructor public hudson.plugins.emailext.ExtendedEmailPublisher(java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.lang.String,int,java.lang.String,boolean,java.util.List,hudson.plugins.emailext.MatrixTriggerMode,boolean,java.util.List) at org.kohsuke.stapler.RequestImpl.instantiate(RequestImpl.java:699) at org.kohsuke.stapler.RequestImpl.access$200(RequestImpl.java:81) at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:600) ... 82 more Caused by: java.lang.IllegalArgumentException: Failed to instantiate class hudson.plugins.emailext.plugins.EmailTrigger from {"stapler-class":"","$class":""} at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:602) at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:638) at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:404) at org.kohsuke.stapler.RequestImpl.instantiate(RequestImpl.java:697) ... 84 more Caused by: java.lang.IllegalArgumentException: Class is specified in JSON, but no such class found in classLoader hudson.PluginManager$UberClassLoader at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:596) ... 87 more Caused by: java.lang.ClassNotFoundException: cached miss for at hudson.PluginManager$UberClassLoader.findClass(PluginManager.java:1105) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:591) ... 87 more