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Singleton on non-persistent Java type Java::JavaLang::NullPointerException #4304

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Singleton on non-persistent Java type Java::JavaLang::NullPointerException#4304
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JRuby 9.1.8.0
@tobymurray-nanometrics

Description

@tobymurray-nanometrics
tobymurray-nanometrics
opened on Nov 16, 2016

We just upgraded from 9.1.2.0 to 9.1.6.0, and we saw a CI build failure with the exception below. It's only failed once so far, but we like to stay on top of these things. Look familiar at all? Anything we can do to provide more helpful logs/details? I don't have a reproducible case, so I'm just looking for some guidance as to whether you think this is an us problem or a JRuby 9.1.6.0 problem.

Environment

JRuby 1.9.6.0
Rails 4.2.7.1

openjdk version "1.8.0_111"
OpenJDK Runtime Environment (build 1.8.0_111-8u111-b14-2~bpo8+1-b14)
OpenJDK 64-Bit Server VM (build 25.111-b14, mixed mode)

Linux 468c25bf6746 4.4.0-47-generic #68-Ubuntu SMP Wed Oct 26 19:39:52 UTC 2016 x86_64 GNU/Linux

Command executed

[INFO] Running precompile assets with command java -Xms2g -Xmx2g -jar /root/.m2/repository/org/jruby/jruby-complete/9.1.6.0/jruby-complete-9.1.6.0.jar -S /opt/atlassian/pipelines/agent/build/athena/.gems/bin/rake assets:precompile

Stacktrace

I, [2016-11-16T16:48:29.889000 #387]  INFO -- : Writing /opt/atlassian/pipelines/agent/build/athena/public/assets/pages/threshold_statuses/seismicity_plot-06f1df67a58d8f1dcfeddae2bab4912e0248623dce7f1b2b7927dffb0d1e13ce.js.gz
/opt/atlassian/pipelines/agent/build/athena/.gems/gems/rake-11.3.0/lib/rake/task.rb:197: warning: singleton on non-persistent Java type Java::JavaLang::NullPointerException (http://wiki.jruby.org/Persistence)
rake aborted!
Java::JavaLang::NullPointerException: 
org.jruby.ir.dataflow.DataFlowProblem.compute_MOP_Solution(DataFlowProblem.java:56)
org.jruby.ir.passes.LiveVariableAnalysis.execute(LiveVariableAnalysis.java:77)
org.jruby.ir.passes.CompilerPass.run(CompilerPass.java:111)
org.jruby.ir.passes.CompilerPass.makeSureDependencyHasRunOnce(CompilerPass.java:133)
org.jruby.ir.passes.CompilerPass.run(CompilerPass.java:101)
org.jruby.ir.passes.CompilerPass.run(CompilerPass.java:125)
org.jruby.ir.IRScope.runCompilerPasses(IRScope.java:502)
org.jruby.ir.IRScope.prepareForCompilation(IRScope.java:586)
org.jruby.runtime.MixedModeIRBlockBody.promoteToFullBuild(MixedModeIRBlockBody.java:169)
org.jruby.runtime.MixedModeIRBlockBody.commonYieldPath(MixedModeIRBlockBody.java:126)
org.jruby.runtime.IRBlockBody.doYield(IRBlockBody.java:182)
org.jruby.runtime.BlockBody.yield(BlockBody.java:110)
org.jruby.runtime.Block.yield(Block.java:167)
org.jruby.RubyArray.collectBang(RubyArray.java:2505)
org.jruby.RubyArray.map_bang(RubyArray.java:2524)
org.jruby.RubyArray$INVOKER$i$0$0$map_bang.call(RubyArray$INVOKER$i$0$0$map_bang.gen)
org.jruby.internal.runtime.methods.JavaMethod$JavaMethodZeroBlock.call(JavaMethod.java:497)
org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:77)
org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:83)
org.jruby.ir.instructions.CallBase.interpret(CallBase.java:428)
org.jruby.ir.interpreter.InterpreterEngine.processCall(InterpreterEngine.java:356)
org.jruby.ir.interpreter.StartupInterpreterEngine.interpret(StartupInterpreterEngine.java:73)
org.jruby.internal.runtime.methods.MixedModeIRMethod.INTERPRET_METHOD(MixedModeIRMethod.java:109)
org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:95)
org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:174)
org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:67)
opt.atlassian.pipelines.agent.build.athena.$_dot_gems.gems.sass_minus_3_dot_4_dot_22.lib.sass.selector.sequence.invokeOther2:do_extend(/opt/atlassian/pipelines/agent/build/athena/.gems/gems/sass-3.4.22/lib/sass/selector/sequence.rb:112)
opt.atlassian.pipelines.agent.build.athena.$_dot_gems.gems.sass_minus_3_dot_4_dot_22.lib.sass.selector.sequence.RUBY$block$do_extend$0(/opt/atlassian/pipelines/agent/build/athena/.gems/gems/sass-3.4.22/lib/sass/selector/sequence.rb:112)
org.jruby.runtime.CompiledIRBlockBody.yieldDirect(CompiledIRBlockBody.java:156)
org.jruby.runtime.MixedModeIRBlockBody.yieldDirect(MixedModeIRBlockBody.java:122)
org.jruby.runtime.BlockBody.yield(BlockBody.java:108)
org.jruby.runtime.Block.yield(Block.java:167)
org.jruby.RubyArray.collect(RubyArray.java:2478)
org.jruby.RubyArray.map19(RubyArray.java:2492)
org.jruby.RubyArray$INVOKER$i$0$0$map19.call(RubyArray$INVOKER$i$0$0$map19.gen)
org.jruby.internal.runtime.methods.JavaMethod$JavaMethodZeroBlock.call(JavaMethod.java:497)
org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:77)
org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:83)
org.jruby.ir.instructions.CallBase.interpret(CallBase.java:428)
org.jruby.ir.interpreter.InterpreterEngine.processCall(InterpreterEngine.java:356)
org.jruby.ir.interpreter.StartupInterpreterEngine.interpret(StartupInterpreterEngine.java:73)
org.jruby.internal.runtime.methods.MixedModeIRMethod.INTERPRET_METHOD(MixedModeIRMethod.java:109)
org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:95)
org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:77)
org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:83)
org.jruby.ir.instructions.CallBase.interpret(CallBase.java:428)
org.jruby.ir.interpreter.InterpreterEngine.processCall(InterpreterEngine.java:356)
org.jruby.ir.interpreter.StartupInterpreterEngine.interpret(StartupInterpreterEngine.java:73)
org.jruby.ir.interpreter.Interpreter.INTERPRET_BLOCK(Interpreter.java:132)
org.jruby.runtime.MixedModeIRBlockBody.commonYieldPath(MixedModeIRBlockBody.java:148)
org.jruby.runtime.IRBlockBody.doYield(IRBlockBody.java:182)
org.jruby.runtime.BlockBody.yield(BlockBody.java:110)
org.jruby.runtime.Block.yield(Block.java:167)
org.jruby.specialized.RubyArrayOneObject.collect(RubyArrayOneObject.java:90)
org.jruby.RubyArray.map19(RubyArray.java:2492)
org.jruby.RubyArray$INVOKER$i$0$0$map19.call(RubyArray$INVOKER$i$0$0$map19.gen)
org.jruby.internal.runtime.methods.JavaMethod$JavaMethodZeroBlock.call(JavaMethod.java:497)
org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:77)
org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:83)
org.jruby.ir.instructions.CallBase.interpret(CallBase.java:428)
org.jruby.ir.interpreter.InterpreterEngine.processCall(InterpreterEngine.java:356)
org.jruby.ir.interpreter.StartupInterpreterEngine.interpret(StartupInterpreterEngine.java:73)
org.jruby.ir.interpreter.InterpreterEngine.interpret(InterpreterEngine.java:90)
org.jruby.internal.runtime.methods.MixedModeIRMethod.INTERPRET_METHOD(MixedModeIRMethod.java:214)
org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:200)
org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:208)
org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:193)
org.jruby.ir.interpreter.InterpreterEngine.processCall(InterpreterEngine.java:324)
org.jruby.ir.interpreter.StartupInterpreterEngine.interpret(StartupInterpreterEngine.java:73)
org.jruby.ir.interpreter.InterpreterEngine.interpret(InterpreterEngine.java:84)
org.jruby.internal.runtime.methods.MixedModeIRMethod.INTERPRET_METHOD(MixedModeIRMethod.java:179)
org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:165)
org.jruby.RubyClass.finvoke(RubyClass.java:531)
org.jruby.RubyBasicObject.send19(RubyBasicObject.java:1668)
org.jruby.RubyKernel.send19(RubyKernel.java:1991)
org.jruby.RubyKernel$INVOKER$s$send19.call(RubyKernel$INVOKER$s$send19.gen)
org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:203)
org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:209)
opt.atlassian.pipelines.agent.build.athena.$_dot_gems.gems.sass_minus_3_dot_4_dot_22.lib.sass.tree.visitors.base.invokeOther7:send(/opt/atlassian/pipelines/agent/build/athena/.gems/gems/sass-3.4.22/lib/sass/tree/visitors/base.rb:36)
opt.atlassian.pipelines.agent.build.athena.$_dot_gems.gems.sass_minus_3_dot_4_dot_22.lib.sass.tree.visitors.base.RUBY$method$visit$0(/opt/atlassian/pipelines/agent/build/athena/.gems/gems/sass-3.4.22/lib/sass/tree/visitors/base.rb:36)
...

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