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Posted to notifications@groovy.apache.org by "Paul King (JIRA)" <ji...@apache.org> on 2017/02/01 23:19:02 UTC

[jira] [Closed] (GROOVY-7731) OutOfMemoryError starting from groovy-2.4.5 version.

     [ https://issues.apache.org/jira/browse/GROOVY-7731?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul King closed GROOVY-7731.
-----------------------------

> OutOfMemoryError starting from groovy-2.4.5 version.
> ----------------------------------------------------
>
>                 Key: GROOVY-7731
>                 URL: https://issues.apache.org/jira/browse/GROOVY-7731
>             Project: Groovy
>          Issue Type: Bug
>          Components: GroovyScriptEngine
>    Affects Versions: 2.4.5
>         Environment: Ubuntu 14.04, Mac osx 10.11.1 
> Java openJDK 1.8, Java HotSpot 1.8
>            Reporter: Artyom Kravchenko
>            Assignee: John Wagenleitner
>             Fix For: 2.4.8
>
>
> I have faced with memory leak as soon as I upgraded groovy from 2.4.4 to the latest version (2.4.5).
> As I see groovy-2.4.5 version already contains fix for https://issues.apache.org/jira/browse/GROOVY-7591
> and uses ClassInfo.class by default. But such fix causes the other memory leak. It is easy to reproduce by simple test:
> public class ScriptsMemoryLeak {
> 	public static void main(String[] args) throws ScriptException {
> 		while (true) {
> 			ScriptEngineManager engineManager = new ScriptEngineManager();
> 			ScriptEngine engine = engineManager.getEngineByName("groovy");
> 			engine.eval("println 'test'");
> 		}
> 	}
> }
> I have run this test with -Xmx20m and OutOfMemoryError  occurs after about 400 iterations:
> Exception in thread "main" java.lang.OutOfMemoryError: GC overhead limit exceeded
> 	at sun.misc.URLClassPath$JarLoader.checkResource(URLClassPath.java:771)
> 	at sun.misc.URLClassPath$JarLoader.getResource(URLClassPath.java:843)
> 	at sun.misc.URLClassPath.getResource(URLClassPath.java:199)
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:364)
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
> 	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> 	at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:81)
> 	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:52)
> 	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:154)
> 	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:166)
> 	at Script478.run(Script478.groovy:1)
> 	at org.codehaus.groovy.jsr223.GroovyScriptEngineImpl.eval(GroovyScriptEngineImpl.java:352)
> 	at org.codehaus.groovy.jsr223.GroovyScriptEngineImpl.eval(GroovyScriptEngineImpl.java:153)
> 	at javax.script.AbstractScriptEngine.eval(AbstractScriptEngine.java:264)
> 	at ish.oncourse.server.scripting.ScriptsMemoryLeak.main(ScriptsMemoryLeak.java:21)
> When I added -Dgroovy.use.classvalue=true (followed advice in https://issues.apache.org/jira/browse/GROOVY-7591 to reactivate use of ClassValue) the leak goes away and my test can works infinitely.
> Currently I forced to use -Dgroovy.use.classvalue=true option to proper work of my code.
> Also I have find other task which was already closed (but probably was not fully done):
> https://issues.apache.org/jira/browse/GROOVY-6704
> From comment I can see that users still faces with the same issue. 
> Can someone please advise me will be this memory leak fixed in groovy. If yes, then when I will be able to get rid "-Dgroovy.use.classvalue=true" from my code



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