# Logstash Java Heap Error

**URL:** <https://discuss.elastic.co/t/logstash-java-heap-error/133983>\
**Category:** Logstash\
**Created:** [May 31, 2018, 6:58am UTC](https://discuss.elastic.co/t/logstash-java-heap-error/133983 "2018-05-31T06:58:52Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![JoseJR](https://avatars.discourse-cdn.com/v4/letter/j/4da419/32.png) [@JoseJR](https://discuss.elastic.co/u/JoseJR)\
**Post date:** [May 31, 2018, 6:58am UTC](https://discuss.elastic.co/t/logstash-java-heap-error/133983/1 "2018-05-31T06:58:53Z")

</div>

Need assistance on the below Error from logstash logs

We have enough jvm.options settings xms xmx both 8gb, memory is not getting used up. CPU is maxed then logstash will restart. Any thoughts?

[ERROR][logstash.pipeline] Exception in pipelineworker, the pipeline stopped processing new events,  
please check your filter configuration and restart Logstash. {:pipeline\_id=\>"main", "exception"=\>"Java heap space",  
"backtrace"=\>["java.util.Arrays.copyOfRange(Arrays.java:3664)", "java.lang.String.(String.java:207)",  
"java.nio.HeapCharBuffer.toString(HeapCharBuffer.java:567)", "java.nio.CharBuffer.toString(CharBuffer.java:1241)",  
"org.jruby.RubyEncoding$UTF8Coder.decode(RubyEncoding.java:314)", "org.jruby.RubyEncoding.decodeUTF8(RubyEncoding.java:248)",  
"org.jruby.runtime.Helpers.decodeByteList(Helpers.java:2659)", "org.jruby.RubyString.decodeString(RubyString.java:761)",  
"org.jruby.RubyString.toString(RubyString.java:752)", "org.logstash.Javafier.lambda$initConverters$1(Javafier.java:68)",  
"org.logstash.Javafier$$Lambda$215/1615191375.convert(Unknown Source)", "org.logstash.Javafier.deep(Javafier.java:37)",  
"org.logstash.Event.getField(Event.java:131)", "org.logstash.StringInterpolation.evaluate(StringInterpolation.java:53)",  
"org.logstash.Event.sprintf(Event.java:261)", "org.logstash.ext.JrubyEventExtLibrary$RubyEvent.ruby\_sprintf(JrubyEventExtLibrary.java:166)",  
"org.logstash.ext.JrubyEventExtLibrary$RubyEvent$INVOKER$i$1$0$ruby\_sprintf.call(JrubyEventExtLibrary$RubyEvent$INVOKER$i$1$0$ruby\_sprintf.gen)",  
"org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:161)",  
"usr.share.logstash.logstash\_minus\_core.lib.logstash.util.decorators.invokeOther0:sprintf(/usr/share/logstash/logstash-core/lib/logstash/util/decorators.rb:19)",  
"usr.share.logstash.logstash\_minus\_core.lib.logstash.util.decorators.RUBY$block$add\_fields$2(/usr/share/logstash/logstash-core/lib/logstash/util/decorators.rb:19)",  
"java.lang.invoke.LambdaForm$DMH/842918769.invokeStatic\_L8\_L(LambdaForm$DMH)",  
"java.lang.invoke.LambdaForm$MH/1863932867.invokeExact\_MT(LambdaForm$MH)",  
"org.jruby.runtime.CompiledIRBlockBody.yieldDirect(CompiledIRBlockBody.java:156)", "org.jruby.runtime.BlockBody.yield(BlockBody.java:114)",  
"org.jruby.runtime.Block.yield(Block.java:165)", "org.jruby.RubyArray.each(RubyArray.java:1734)",  
"org.jruby.RubyArray$INVOKER$i$0$0$each.call(RubyArray$INVOKER$i$0$0$each.gen)",  
"org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:139)", "org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:145)",  
"usr.share.logstash.logstash\_minus\_core.lib.logstash.util.decorators.invokeOther18:each(/usr/share/logstash/logstash-core/lib/logstash/util/decorators.rb:18)",  
"usr.share.logstash.logstash\_minus\_core.lib.logstash.util.decorators.RUBY$block$add\_fields$1(/usr/share/logstash/logstash-core/lib/logstash/util/decorators.rb:18)",  
"java.lang.invoke.LambdaForm$DMH/1545949982.invokeStatic\_L8\_L(LambdaForm$DMH)"],  
:thread=\>"#\<Thread:0x3a969fe8@/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:245 sleep\>"}

---

<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:** [June 28, 2018, 6:58am UTC](https://discuss.elastic.co/t/logstash-java-heap-error/133983/2 "2018-06-28T06:58:56Z")

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