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java.lang.NullPointerException: null	at org.sonar.server.ui.JRubyFacade.get(JRubyFacade.java:85)	at org.sonar.server.ui.JRubyFacade.getServerHome(JRubyFacade.java:372)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	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.DNode.appendToString(DNode.java:70)	at org.jruby.ast.DNode.buildDynamicString(DNode.java:88)	at org.jruby.ast.DNode.interpret(DNode.java:36)	at org.jruby.ast.CallOneArgNode.interpret(CallOneArgNode.java:57)	at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)	at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)	at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:112)	at org.jruby.runtime.InterpretedBlock.evalBlockBody(InterpretedBlock.java:384)	at org.jruby.runtime.InterpretedBlock.yield(InterpretedBlock.java:357)	at org.jruby.runtime.InterpretedBlock.yield(InterpretedBlock.java:312)	at org.jruby.runtime.Block.yield(Block.java:142)	at org.jruby.ast.YieldNode.interpret(YieldNode.java:119)	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.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)	at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:161)	at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:190)	at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:316)	at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:145)	at org.jruby.runtime.callsite.CachingCallSite.callIter(CachingCallSite.java:154)	at org.jruby.ast.CallNoArgBlockNode.interpret(CallNoArgBlockNode.java:64)	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.load(RubyKernel.java:1094)	at org.jruby.RubyKernel$INVOKER$s$0$1$load.call(RubyKernel$INVOKER$s$0$1$load.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.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.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.RootNode.interpret(RootNode.java:129)	at org.jruby.evaluator.ASTInterpreter.INTERPRET_ROOT(ASTInterpreter.java:121)	at org.jruby.Ruby.evalScriptlet(Ruby.java:419)	at org.jruby.Ruby.evalScriptlet(Ruby.java:396)	at org.jruby.rack.rails.RailsRackApplicationFactory.createApplicationObject(RailsRackApplicationFactory.java:22)	at org.jruby.rack.DefaultRackApplicationFactory$1.create(DefaultRackApplicationFactory.java:98)	at org.jruby.rack.DefaultRackApplicationFactory$RackApplicationImpl.init(DefaultRackApplicationFactory.java:420)	at org.jruby.rack.DefaultRackApplicationFactory.getApplication(DefaultRackApplicationFactory.java:111)	at org.jruby.rack.SharedRackApplicationFactory.doInit(SharedRackApplicationFactory.java:31)	at org.jruby.rack.RackApplicationFactoryDecorator.init(RackApplicationFactoryDecorator.java:94)	at org.jruby.rack.RackServletContextListener.contextInitialized(RackServletContextListener.java:50)	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4939)	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5434)	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)	at java.util.concurrent.FutureTask.run(FutureTask.java:138)	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)	at java.lang.Thread.run(Thread.java:695)