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thread.backtrace is sometimes nil in jruby.
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| Exception in thread "JRubyWorker-57" java.lang.NullPointerException | |
| at org.jruby.RubyThread.backtrace(RubyThread.java:973) | |
| at rubyjit.Celluloid::StackDump$$snapshot_thread_47B21CF45C0FFCE0D8550EEBD839410A0BF60A1B424058530.__file__(/Users/cremes/.rvm/gems/jruby-1.7.2/gems/celluloid-0.13.0.pre/lib/celluloid/stack_dump.rb:53) | |
| at rubyjit.Celluloid::StackDump$$snapshot_thread_47B21CF45C0FFCE0D8550EEBD839410A0BF60A1B424058530.__file__(/Users/cremes/.rvm/gems/jruby-1.7.2/gems/celluloid-0.13.0.pre/lib/celluloid/stack_dump.rb) | |
| at org.jruby.internal.runtime.methods.JittedMethod.call(JittedMethod.java:181) | |
| at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:168) | |
| at org.jruby.ast.FCallOneArgNode.interpret(FCallOneArgNode.java:36) | |
| at org.jruby.ast.CallOneArgNode.interpret(CallOneArgNode.java:57) | |
| at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105) | |
| at org.jruby.ast.IfNode.interpret(IfNode.java:118) | |
| at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105) | |
| at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:112) | |
| at org.jruby.runtime.Interpreted19Block.evalBlockBody(Interpreted19Block.java:209) | |
| at org.jruby.runtime.Interpreted19Block.yield(Interpreted19Block.java:160) | |
| at org.jruby.runtime.Block.yield(Block.java:130) | |
| at org.jruby.RubyArray.eachCommon(RubyArray.java:1606) | |
| at org.jruby.RubyArray.each(RubyArray.java:1613) | |
| at org.jruby.RubyArray$INVOKER$i$0$0$each.call(RubyArray$INVOKER$i$0$0$each.gen) | |
| at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:143) | |
| 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.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:75) | |
| at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:139) | |
| at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:172) | |
| at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:134) | |
| at org.jruby.ast.VCallNode.interpret(VCallNode.java:88) | |
| 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:75) | |
| at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:161) | |
| at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:180) | |
| at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:143) | |
| at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:149) | |
| at org.jruby.RubyClass.newInstance(RubyClass.java:848) | |
| at org.jruby.RubyClass$INVOKER$i$newInstance.call(RubyClass$INVOKER$i$newInstance.gen) | |
| at org.jruby.internal.runtime.methods.JavaMethod$JavaMethodZeroOrNBlock.call(JavaMethod.java:261) | |
| at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:134) | |
| at org.jruby.ast.CallNoArgNode.interpret(CallNoArgNode.java:64) | |
| at org.jruby.ast.CallOneArgNode.interpret(CallOneArgNode.java:57) | |
| at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105) | |
| at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:75) | |
| at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:139) | |
| at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:172) | |
| at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:134) | |
| at org.jruby.ast.CallNoArgNode.interpret(CallNoArgNode.java:64) | |
| at org.jruby.ast.FCallOneArgNode.interpret(FCallOneArgNode.java:36) | |
| at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105) | |
| at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:75) | |
| at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:139) | |
| at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:172) | |
| at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:134) | |
| at org.jruby.ast.VCallNode.interpret(VCallNode.java:88) | |
| at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105) | |
| at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:112) | |
| at org.jruby.runtime.Interpreted19Block.evalBlockBody(Interpreted19Block.java:209) | |
| at org.jruby.runtime.Interpreted19Block.yield(Interpreted19Block.java:160) | |
| at org.jruby.runtime.Interpreted19Block.yieldSpecific(Interpreted19Block.java:133) | |
| at org.jruby.runtime.Block.yieldSpecific(Block.java:99) | |
| at org.jruby.runtime.invokedynamic.InvocationLinker.yieldSpecificFallback(InvocationLinker.java:399) | |
| at rubyjit.Celluloid::TaskFiber$$initialize_6A8830911B6F369CFF4DCAFBBA5A5D41AA8F014C424058530.chained_1_rescue_1$RUBY$SYNTHETIC__file__(/Users/cremes/.rvm/gems/jruby-1.7.2/gems/celluloid-0.13.0.pre/lib/celluloid/tasks/task_fiber.rb:28) | |
| at rubyjit.Celluloid::TaskFiber$$initialize_6A8830911B6F369CFF4DCAFBBA5A5D41AA8F014C424058530.chained_0_ensure_1$RUBY$__ensure__(/Users/cremes/.rvm/gems/jruby-1.7.2/gems/celluloid-0.13.0.pre/lib/celluloid/tasks/task_fiber.rb) | |
| at rubyjit.Celluloid::TaskFiber$$initialize_6A8830911B6F369CFF4DCAFBBA5A5D41AA8F014C424058530.block_0$RUBY$__file__(/Users/cremes/.rvm/gems/jruby-1.7.2/gems/celluloid-0.13.0.pre/lib/celluloid/tasks/task_fiber.rb:27) | |
| at rubyjit$Celluloid::TaskFiber$$initialize_6A8830911B6F369CFF4DCAFBBA5A5D41AA8F014C424058530$block_0$RUBY$__file__.call(rubyjit$Celluloid::TaskFiber$$initialize_6A8830911B6F369CFF4DCAFBBA5A5D41AA8F014C424058530$block_0$RUBY$__file__) | |
| at org.jruby.runtime.CompiledBlock19.yield(CompiledBlock19.java:163) | |
| at org.jruby.runtime.CompiledBlock19.yield(CompiledBlock19.java:149) | |
| at org.jruby.runtime.Block.yieldArray(Block.java:146) | |
| at org.jruby.ext.fiber.ThreadFiber$1.run(ThreadFiber.java:37) | |
| at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) | |
| at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) | |
| at java.lang.Thread.run(Thread.java:722) |
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| When running with: -Xerrno.backtrace=true (which forces all errors to generate a backtrace) | |
| I still get a crash. | |
| java.lang.NullPointerException | |
| at org.jruby.runtime.ThreadContext.gatherCallerBacktrace(ThreadContext.java:755) | |
| at org.jruby.runtime.ThreadContext.createCallerBacktrace(ThreadContext.java:726) | |
| at org.jruby.RubyThread.backtrace(RubyThread.java:973) | |
| at org.jruby.RubyThread$INVOKER$i$0$0$backtrace.call(RubyThread$INVOKER$i$0$0$backtrace.gen) | |
| at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:134) | |
| at org.jruby.ast.CallNoArgNode.interpret(CallNoArgNode.java:64) | |
| at org.jruby.ast.CallTwoArgNode.interpret(CallTwoArgNode.java:59) | |
| at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105) | |
| at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:75) | |
| at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:182) | |
| at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:188) | |
| at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:168) | |
| at org.jruby.ast.FCallOneArgNode.interpret(FCallOneArgNode.java:36) | |
| at org.jruby.ast.CallOneArgNode.interpret(CallOneArgNode.java:57) | |
| at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105) | |
| at org.jruby.ast.IfNode.interpret(IfNode.java:118) | |
| at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105) | |
| at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:112) | |
| at org.jruby.runtime.Interpreted19Block.evalBlockBody(Interpreted19Block.java:209) | |
| at org.jruby.runtime.Interpreted19Block.yield(Interpreted19Block.java:160) | |
| at org.jruby.runtime.Block.yield(Block.java:130) | |
| at org.jruby.RubyArray.eachCommon(RubyArray.java:1606) | |
| at org.jruby.RubyArray.each(RubyArray.java:1613) | |
| at org.jruby.RubyArray$INVOKER$i$0$0$each.call(RubyArray$INVOKER$i$0$0$each.gen) | |
| at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:143) | |
| 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.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:75) | |
| at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:139) | |
| at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:172) | |
| at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:134) | |
| at org.jruby.ast.VCallNode.interpret(VCallNode.java:88) | |
| 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:75) | |
| at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:161) | |
| at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:180) | |
| at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:143) | |
| at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:149) | |
| at org.jruby.RubyClass.newInstance(RubyClass.java:848) | |
| at org.jruby.RubyClass$INVOKER$i$newInstance.call(RubyClass$INVOKER$i$newInstance.gen) | |
| at org.jruby.internal.runtime.methods.JavaMethod$JavaMethodZeroOrNBlock.call(JavaMethod.java:261) | |
| at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:134) | |
| at org.jruby.ast.CallNoArgNode.interpret(CallNoArgNode.java:64) | |
| at org.jruby.ast.CallOneArgNode.interpret(CallOneArgNode.java:57) | |
| at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105) | |
| at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:75) | |
| at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:139) | |
| at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:172) | |
| at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:134) | |
| at org.jruby.ast.CallNoArgNode.interpret(CallNoArgNode.java:64) | |
| at org.jruby.ast.FCallOneArgNode.interpret(FCallOneArgNode.java:36) | |
| at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105) | |
| at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:75) | |
| at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:139) | |
| at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:172) | |
| at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:134) | |
| at org.jruby.ast.VCallNode.interpret(VCallNode.java:88) | |
| at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105) | |
| at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:112) | |
| at org.jruby.runtime.Interpreted19Block.evalBlockBody(Interpreted19Block.java:209) | |
| at org.jruby.runtime.Interpreted19Block.yield(Interpreted19Block.java:160) | |
| at org.jruby.runtime.Interpreted19Block.yieldSpecific(Interpreted19Block.java:133) | |
| at org.jruby.runtime.Block.yieldSpecific(Block.java:99) | |
| at org.jruby.runtime.invokedynamic.InvocationLinker.yieldSpecificFallback(InvocationLinker.java:399) | |
| at rubyjit.Celluloid::TaskFiber$$initialize_6A8830911B6F369CFF4DCAFBBA5A5D41AA8F014C424058530.chained_1_rescue_1$RUBY$SYNTHETIC__file__(/Users/cremes/.rvm/gems/jruby-1.7.2/gems/celluloid-0.13.0.pre/lib/celluloid/tasks/task_fiber.rb:28) | |
| at rubyjit.Celluloid::TaskFiber$$initialize_6A8830911B6F369CFF4DCAFBBA5A5D41AA8F014C424058530.chained_0_ensure_1$RUBY$__ensure__(/Users/cremes/.rvm/gems/jruby-1.7.2/gems/celluloid-0.13.0.pre/lib/celluloid/tasks/task_fiber.rb) | |
| at rubyjit.Celluloid::TaskFiber$$initialize_6A8830911B6F369CFF4DCAFBBA5A5D41AA8F014C424058530.block_0$RUBY$__file__(/Users/cremes/.rvm/gems/jruby-1.7.2/gems/celluloid-0.13.0.pre/lib/celluloid/tasks/task_fiber.rb:27) | |
| at rubyjit$Celluloid::TaskFiber$$initialize_6A8830911B6F369CFF4DCAFBBA5A5D41AA8F014C424058530$block_0$RUBY$__file__.call(rubyjit$Celluloid::TaskFiber$$initialize_6A8830911B6F369CFF4DCAFBBA5A5D41AA8F014C424058530$block_0$RUBY$__file__) | |
| at org.jruby.runtime.CompiledBlock19.yield(CompiledBlock19.java:163) | |
| at org.jruby.runtime.CompiledBlock19.yield(CompiledBlock19.java:149) | |
| at org.jruby.runtime.Block.yieldArray(Block.java:146) | |
| at org.jruby.ext.fiber.ThreadFiber$1.run(ThreadFiber.java:37) | |
| at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) | |
| at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) | |
| at java.lang.Thread.run(Thread.java:722) |
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