# OutOfMemoryError: unable to create new native thread

**URL:** <https://forum.inductiveautomation.com/t/outofmemoryerror-unable-to-create-new-native-thread/8736>\
**Category:** Ignition\
**Created:** [July 16, 2014, 1:14pm UTC](https://forum.inductiveautomation.com/t/outofmemoryerror-unable-to-create-new-native-thread/8736 "2014-07-16T13:14:31Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![marioquark](https://avatars.discourse-cdn.com/v4/letter/m/22d042/32.png) [@marioquark](https://forum.inductiveautomation.com/u/marioquark)\
**Post date:** [July 16, 2014, 1:14pm UTC](https://forum.inductiveautomation.com/t/outofmemoryerror-unable-to-create-new-native-thread/8736/1 "2014-07-16T13:14:31Z")

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INFO | jvm 1 | 2014/07/16 14:45:16 | lug 16, 2014 2:45:16 PM org.apache.tomcat.util.net.JIoEndpoint processSocket  
INFO | jvm 1 | 2014/07/16 14:45:16 | GRAVE: Error allocating socket processor  
INFO | jvm 1 | 2014/07/16 14:45:16 | java.lang.OutOfMemoryError: unable to create new native thread  
INFO | jvm 1 | 2014/07/16 14:45:16 | at java.lang.Thread.start0(Native Method)  
INFO | jvm 1 | 2014/07/16 14:45:16 | at java.lang.Thread.start(Unknown Source)  
INFO | jvm 1 | 2014/07/16 14:45:16 | at org.apache.tomcat.util.net.JIoEndpoint$Worker.start(JIoEndpoint.java:513)  
INFO | jvm 1 | 2014/07/16 14:45:16 | at org.apache.tomcat.util.net.JIoEndpoint.newWorkerThread(JIoEndpoint.java:744)  
INFO | jvm 1 | 2014/07/16 14:45:16 | at org.apache.tomcat.util.net.JIoEndpoint.createWorkerThread(JIoEndpoint.java:723)  
INFO | jvm 1 | 2014/07/16 14:45:16 | at org.apache.tomcat.util.net.JIoEndpoint.getWorkerThread(JIoEndpoint.java:757)  
INFO | jvm 1 | 2014/07/16 14:45:16 | at org.apache.tomcat.util.net.JIoEndpoint.processSocket(JIoEndpoint.java:789)  
INFO | jvm 1 | 2014/07/16 14:45:16 | at org.apache.tomcat.util.net.JIoEndpoint$Acceptor.run(JIoEndpoint.java:355)  
INFO | jvm 1 | 2014/07/16 14:45:16 | at java.lang.Thread.run(Unknown Source)  
INFO | jvm 1 | 2014/07/16 14:45:16 |  
INFO | jvm 1 | 2014/07/16 14:45:16 | lug 16, 2014 2:45:16 PM org.apache.tomcat.util.net.JIoEndpoint createWorkerThread  
INFO | jvm 1 | 2014/07/16 14:45:16 | INFORMAZIONI: Maximum number of threads (300) created for connector with address null and port 80

A memory issue?  
Do i need fine tuning?  
My conf is

# Java Additional Parameters

wrapper.java.additional.1=-XX:PermSize=64m  
wrapper.java.additional.2=-XX:MaxPermSize=128m  
wrapper.java.additional.3=-XX:+UseConcMarkSweepGC  
wrapper.java.additional.4=-XX:+CMSClassUnloadingEnabled  
wrapper.java.additional.5=-XX:+CMSPermGenSweepingEnabled  
wrapper.java.additional.6=-Ddata.dir=data  
wrapper.java.additional.7=-Dorg.apache.catalina.loader.WebappClassLoader.ENABLE\_CLEAR\_REFERENCES=false  
#wrapper.java.additional.8=-Xdebug  
#wrapper.java.additional.9=-Xrunjdwp:transport=dt\_socket,server=y,suspend=n,address=8000

# Initial Java Heap Size (in MB)

wrapper.java.initmemory=1024

# Maximum Java Heap Size (in MB)

wrapper.java.maxmemory=1536

Thanks

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<div class="post-metadata">

**Author:** ![james.hunt](https://avatars.discourse-cdn.com/v4/letter/j/fbc32d/32.png) [@james.hunt](https://forum.inductiveautomation.com/u/james.hunt)\
**Post date:** [July 17, 2014, 2:04pm UTC](https://forum.inductiveautomation.com/t/outofmemoryerror-unable-to-create-new-native-thread/8736/2 "2014-07-17T14:04:43Z")

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When ignition is running , how much memory is the Java.exe using ?

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<div class="post-metadata">

**Author:** ![marioquark](https://avatars.discourse-cdn.com/v4/letter/m/22d042/32.png) [@marioquark](https://forum.inductiveautomation.com/u/marioquark)\
**Post date:** [July 17, 2014, 3:56pm UTC](https://forum.inductiveautomation.com/t/outofmemoryerror-unable-to-create-new-native-thread/8736/3 "2014-07-17T15:56:26Z")

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Upgraded Java and upgraded Ignition from 7.4 to 7.6. Issue seems gone…

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**Author:** ![james.hunt](https://avatars.discourse-cdn.com/v4/letter/j/fbc32d/32.png) [@james.hunt](https://forum.inductiveautomation.com/u/james.hunt)\
**Post date:** [July 17, 2014, 7:50pm UTC](https://forum.inductiveautomation.com/t/outofmemoryerror-unable-to-create-new-native-thread/8736/4 "2014-07-17T19:50:15Z")

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Ok good to hear, thanks for the update.