# Logstash crashing

**URL:** <https://discuss.elastic.co/t/logstash-crashing/259403>\
**Category:** Logstash\
**Created:** [December 22, 2020, 3:59pm UTC](https://discuss.elastic.co/t/logstash-crashing/259403 "2020-12-22T15:59:14Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![lquin1978](https://avatars.discourse-cdn.com/v4/letter/l/5daacb/32.png) [@lquin1978](https://discuss.elastic.co/u/lquin1978)\
**Post date:** [December 22, 2020, 3:59pm UTC](https://discuss.elastic.co/t/logstash-crashing/259403/1 "2020-12-22T15:59:14Z")

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We have just started getting the following error

[2020-12-22T15:57:08,056][ERROR][logstash.javapipeline][main] Pipeline worker error, the pipeline will be stopped {:pipeline\_id=\>"main", :error=\>"", :exception=\>Java::JavaLang::NullPointerException, :backtrace=\>["org.logstash.config.ir.compiler.EventCondition$Compiler$UnexpectedTypeException.(EventCondition.java:679)", "org.logstash.config.ir.compiler.EventCondition$Compiler.compare(EventCondition.java:453)", "org.logstash.config.ir.compiler.EventCondition$Compiler.lambda$compareFieldToConstant$11(EventCondition.java:444)", "org.logstash.config.ir.compiler.EventCondition$Compiler.lambda$booleanCondition$4(EventCondition.java:162)", "org.logstash.config.ir.compiler.EventCondition$Compiler.lambda$booleanCondition$4(EventCondition.java:162)", "org.logstash.config.ir.compiler.Utils.filterEvents(Utils.java:47)", "org.logstash.generated.CompiledDataset17.compute(Unknown Source)", "org.logstash.generated.CompiledDataset18.compute(Unknown Source)", "org.logstash.generated.CompiledDataset19.compute(Unknown Source)", "org.logstash.config.ir.CompiledPipeline$CompiledUnorderedExecution.compute(CompiledPipeline.java:343)", "org.logstash.config.ir.CompiledPipeline$CompiledUnorderedExecution.compute(CompiledPipeline.java:333)", "org.logstash.execution.WorkerLoop.run(WorkerLoop.java:83)", "java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)", "java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)", "java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)", "java.base/java.lang.reflect.Method.invoke(Method.java:566)", "org.jruby.javasupport.JavaMethod.invokeDirectWithExceptionHandling(JavaMethod.java:426)", "org.jruby.javasupport.JavaMethod.invokeDirect(JavaMethod.java:293)", "org.jruby.java.invokers.InstanceMethodInvoker.call(InstanceMethodInvoker.java:24)", "org.jruby.java.invokers.InstanceMethodInvoker.call(InstanceMethodInvoker.java:86)", "org.jruby.ir.targets.InvokeSite.invoke(InvokeSite.java:207)", "usr.share.logstash.logstash\_minus\_core.lib.logstash.java\_pipeline.RUBY$block$start\_workers$5(/usr/share/logstash/logstash-core/lib/logstash/java\_pipeline.rb:289)", "org.jruby.runtime.CompiledIRBlockBody.callDirect(CompiledIRBlockBody.java:138)", "org.jruby.runtime.IRBlockBody.call(IRBlockBody.java:58)", "org.jruby.runtime.IRBlockBody.call(IRBlockBody.java:52)", "org.jruby.runtime.Block.call(Block.java:139)", "org.jruby.RubyProc.call(RubyProc.java:318)", "org.jruby.internal.runtime.RubyRunnable.run(RubyRunnable.java:105)", "java.base/java.lang.Thread.run(Thread.java:834)"], :thread=\>"#\<Thread:0x2277540a sleep\>"}  
[2020-12-22T15:57:10,165][INFO][logstash.runner] Logstash shut down.

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<div class="post-metadata">

**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\
**Post date:** [December 22, 2020, 4:19pm UTC](https://discuss.elastic.co/t/logstash-crashing/259403/2 "2020-12-22T16:19:06Z")

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That looks a lot like [this](https://discuss.elastic.co/t/comparing-number-in-conditionnal-event-treatement/217043/5) -- doing a numeric conditional on a field that does exist.

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [January 19, 2021, 4:19pm UTC](https://discuss.elastic.co/t/logstash-crashing/259403/3 "2021-01-19T16:19:18Z")

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