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2796 [main] WARN org.eclipse.jetty.webapp.StandardDescriptorProcessor - Could not instantiate listener org.eclipse.jetty.servlet.listener.ELContextCleaner
java.lang.ClassNotFoundException: org.eclipse.jetty.servlet.listener.ELContextCleaner
	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
	at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:424)
	at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:377)
	at org.eclipse.jetty.server.handler.ContextHandler.loadClass(ContextHandler.java:1509)
	at org.eclipse.jetty.webapp.StandardDescriptorProcessor.visitListener(StandardDescriptorProcessor.java:1826)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.eclipse.jetty.webapp.IterativeDescriptorProcessor.visit(IterativeDescriptorProcessor.java:80)
	at org.eclipse.jetty.webapp.IterativeDescriptorProcessor.process(IterativeDescriptorProcessor.java:67)
	at org.eclipse.jetty.webapp.MetaData.resolve(MetaData.java:331)
	at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1231)
	at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:701)
	at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:475)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:59)
	at org.eclipse.jetty.server.handler.HandlerCollection.doStart(HandlerCollection.java:224)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:59)
	at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:90)
	at org.eclipse.jetty.server.Server.doStart(Server.java:272)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:59)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.jruby.javasupport.JavaMethod.invokeDirectWithExceptionHandling(JavaMethod.java:440)
	at org.jruby.javasupport.JavaMethod.invokeDirect(JavaMethod.java:304)
	at org.jruby.java.invokers.InstanceMethodInvoker.call(InstanceMethodInvoker.java:52)
	at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:306)
	at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:136)
	at org.jruby.ast.CallNoArgNode.interpret(CallNoArgNode.java:60)
	at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
	at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
	at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)
	at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:139)
	at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:182)
	at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:306)
	at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:136)
	at org.jruby.ast.CallNoArgNode.interpret(CallNoArgNode.java:60)
	at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
	at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
	at org.jruby.ast.RootNode.interpret(RootNode.java:129)
	at org.jruby.evaluator.ASTInterpreter.INTERPRET_ROOT(ASTInterpreter.java:121)
	at org.jruby.Ruby.runInterpreter(Ruby.java:838)
	at org.jruby.Ruby.loadFile(Ruby.java:2727)
	at org.jruby.runtime.load.ExternalScript.load(ExternalScript.java:66)
	at org.jruby.runtime.load.LoadService.load(LoadService.java:359)
	at org.jruby.RubyKernel.loadCommon(RubyKernel.java:1107)
	at org.jruby.RubyKernel.load19(RubyKernel.java:1099)
	at org.jruby.RubyKernel$INVOKER$s$0$1$load19.call(RubyKernel$INVOKER$s$0$1$load19.gen)
	at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:210)
	at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:206)
	at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:326)
	at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:170)
	at org.jruby.ast.FCallOneArgNode.interpret(FCallOneArgNode.java:36)
	at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
	at org.jruby.ast.RootNode.interpret(RootNode.java:129)
	at org.jruby.evaluator.ASTInterpreter.INTERPRET_ROOT(ASTInterpreter.java:121)
	at org.jruby.Ruby.runInterpreter(Ruby.java:838)
	at org.jruby.Ruby.loadFile(Ruby.java:2727)
	at org.jruby.runtime.load.ExternalScript.load(ExternalScript.java:66)
	at org.jruby.runtime.load.LoadService.tryLoadingLibraryOrScript(LoadService.java:959)
	at org.jruby.runtime.load.LoadService.smartLoadInternal(LoadService.java:573)
	at org.jruby.runtime.load.LoadService.requireCommon(LoadService.java:457)
	at org.jruby.runtime.load.LoadService.require(LoadService.java:421)
	at org.jruby.RubyKernel.requireCommon(RubyKernel.java:1089)
	at org.jruby.RubyKernel.require19(RubyKernel.java:1083)
	at org.jruby.RubyKernel$INVOKER$s$1$0$require19.call(RubyKernel$INVOKER$s$1$0$require19.gen)
	at org.jruby.internal.runtime.methods.JavaMethod$JavaMethodOneOrNBlock.call(JavaMethod.java:350)
	at org.jruby.internal.runtime.methods.AliasMethod.call(AliasMethod.java:61)
	at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:168)
	at org.jruby.ast.FCallOneArgNode.interpret(FCallOneArgNode.java:36)
	at org.jruby.ast.ReturnNode.interpret(ReturnNode.java:92)
	at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
	at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
	at org.jruby.ast.EnsureNode.interpret(EnsureNode.java:96)
	at org.jruby.ast.BeginNode.interpret(BeginNode.java:83)
	at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
	at org.jruby.ast.IfNode.interpret(IfNode.java:116)
	at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
	at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
	at org.jruby.ast.RescueNode.executeBody(RescueNode.java:221)
	at org.jruby.ast.RescueNode.interpret(RescueNode.java:116)
	at org.jruby.ast.EnsureNode.interpret(EnsureNode.java:96)
	at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)
	at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:182)
	at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:198)
	at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:326)
	at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:170)
	at org.jruby.ast.FCallOneArgNode.interpret(FCallOneArgNode.java:36)
	at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
	at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
	at org.jruby.ast.RescueNode.executeBody(RescueNode.java:221)
	at org.jruby.ast.RescueNode.interpret(RescueNode.java:116)
	at org.jruby.ast.BeginNode.interpret(BeginNode.java:83)
	at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
	at org.jruby.ast.RootNode.interpret(RootNode.java:129)
	at org.jruby.evaluator.ASTInterpreter.INTERPRET_ROOT(ASTInterpreter.java:121)
	at org.jruby.Ruby.runInterpreter(Ruby.java:838)
	at org.jruby.Ruby.runInterpreter(Ruby.java:846)
	at org.jruby.embed.internal.EmbedEvalUnitImpl.run(EmbedEvalUnitImpl.java:121)
	at org.jruby.embed.ScriptingContainer.runUnit(ScriptingContainer.java:1264)
	at org.jruby.embed.ScriptingContainer.runScriptlet(ScriptingContainer.java:1257)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at JarMain.invokeMethod(JarMain.java:248)
	at JarMain.invokeMethod(JarMain.java:241)
	at JarMain.launchJRuby(JarMain.java:142)
	at JarMain.start(JarMain.java:159)
	at JarMain.doStart(JarMain.java:221)
	at JarMain.main(JarMain.java:216)