Eclipse:java.lang.OutOfMemoryError: PermGen space

Question

My eclipse configuration.

Eclipse : latest version (Kepler)

My eclipse config.ini

-startup
plugins/org.eclipse.equinox.launcher_1.3.0.v20130327-1440.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.1.200.v20130521-0416
-product
org.eclipse.epp.package.standard.product
--launcher.defaultAction
openFile
-showsplash
org.eclipse.platform
--launcher.defaultAction
openFile
--launcher.appendVmargs
-vmargs
-Dosgi.requiredJavaVersion=1.6
-Xms40M
-Xmx512M

After Updation From to Juno to Kepler.But with the same configuration I did'nt face any issue.

Exception I'm facing is

Caused by: java.lang.OutOfMemoryError: PermGen space
    at sun.misc.Unsafe.defineClass(Native Method)
    at sun.reflect.ClassDefiner.defineClass(ClassDefiner.java:45)
    at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:381)
    at java.security.AccessController.doPrivileged(Native Method)
    at sun.reflect.MethodAccessorGenerator.generate(MethodAccessorGenerator.java:377)
    at sun.reflect.MethodAccessorGenerator.generateMethod(MethodAccessorGenerator.java:59)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:28)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at net.sf.beanlib.provider.BeanPopulator.invokeMethodAsPrivileged(BeanPopulator.java:221)
    at net.sf.beanlib.provider.BeanPopulator.doit(BeanPopulator.java:194)
    at net.sf.beanlib.provider.BeanPopulator.processSetterMethod(BeanPopulator.java:172)
    at net.sf.beanlib.provider.BeanPopulator.populate(BeanPopulator.java:270)
    at net.sf.beanlib.provider.replicator.ReplicatorTemplate.populateBean(ReplicatorTemplate.java:174)
    at net.sf.beanlib.provider.replicator.BeanReplicator.replicateBean(BeanReplicator.java:173)
    at net.sf.beanlib.hibernate3.Hibernate3JavaBeanReplicator.replicateBean(Hibernate3JavaBeanReplicator.java:71)
    at net.sf.beanlib.provider.replicator.ReplicatorTemplate.replicateByBeanReplicatable(ReplicatorTemplate.java:125)
    at net.sf.beanlib.provider.replicator.ReplicatorTemplate.replicate(ReplicatorTemplate.java:120)
    at net.sf.beanlib.provider.replicator.ReplicatorTemplate.replicate(ReplicatorTemplate.java:67)
    at net.sf.beanlib.hibernate3.Hibernate3CollectionReplicator.replicate(Hibernate3CollectionReplicator.java:143)
    at net.sf.beanlib.provider.replicator.CollectionReplicator.replicateCollection(CollectionReplicator.java:88)
    at net.sf.beanlib.hibernate3.Hibernate3CollectionReplicator.replicateCollection(Hibernate3CollectionReplicator.java:79)
    at net.sf.beanlib.provider.replicator.ReplicatorTemplate.replicate(ReplicatorTemplate.java:101)
    at net.sf.beanlib.provider.BeanTransformer.transform(BeanTransformer.java:224)
    at net.sf.beanlib.provider.BeanPopulator.doit(BeanPopulator.java:201)
    at net.sf.beanlib.provider.BeanPopulator.processSetterMethod(BeanPopulator.java:172)
    at net.sf.beanlib.provider.BeanPopulator.populate(BeanPopulator.java:270)
    at net.sf.beanlib.provider.replicator.ReplicatorTemplate.populateBean(ReplicatorTemplate.java:174)
    at net.sf.beanlib.provider.replicator.BeanReplicator.replicateBean(BeanReplicator.java:173)
    at net.sf.beanlib.hibernate3.Hibernate3JavaBeanReplicator.replicateBean(Hibernate3JavaBeanReplicator.java:71)
    at net.sf.beanlib.provider.replicator.ReplicatorTemplate.replicateByBeanReplicatable(ReplicatorTemplate.java:125)
    at net.sf.beanlib.provider.replicator.ReplicatorTemplate.replicate(ReplicatorTemplate.java:120)
      [ERROR] Out of memory; to increase the amount of memory, use the -Xmx flag at startup (java -Xmx128M ...)

It's keep telling me

[ERROR] Out of memory; to increase the amount of memory, use the -Xmx flag at startup (java -Xmx128M ...)

Here is my VM args

enter image description here

What could be the issue..

Thanks for any help.

Whilst this dealt with Tomcat, not Eclipse, it might be helpful: http://stackoverflow.com/questions/88235/dealing-with-java-lang-outofmemoryerror-permgen-space-error?answertab=votes#tab-top — Andrew Martin, Aug 20 '13 at 09:36
@AndrewMartin Where does tomcat came in between? I'm not using tomcat. — Suresh Atta, Aug 20 '13 at 09:37
It's the same process. See here: http://wiki.eclipse.org/FAQ_How_do_I_increase_the_permgen_size_available_to_Eclipse%3F — Andrew Martin, Aug 20 '13 at 09:38
**Look [here][1] for the ways to avoid PermGen.** [1]: http://stackoverflow.com/questions/7878306/avoid-permgen-space-error-when-running-tomcat-from-eclipse — Dileep, Aug 20 '13 at 09:55
vmargs and -XX are both useful, but in different way. Look http://stackoverflow.com/a/10814631/715269 — Gangnus, Apr 05 '16 at 11:27

score 11 · Accepted Answer · answered Aug 20 '13 at 09:42

11

From Eclipse wiki-

Why am I getting a java.lang.OutOfMemoryError: PermGen space?

The default maximum Permanent Generation space set by your JRE may be too small. This is unrelated to the maximum allowed Heap space. You can increase the maximum PermGen size by launching Eclipse with the VM argument: -XX:MaxPermSize=128m

answered Aug 20 '13 at 09:42

Andrew Martin

5,619
10
54
92

Thanks man.I didn't set this in my Indigo and working fine.Don't know what's wrong with Kepler :). You made my day. – Suresh Atta Aug 20 '13 at 10:21
@sᴜʀᴇsʜᴀᴛᴛᴀ You could have them in -vmargs in eclipse.ini file. Therefore, XX parameters were set as default ones. http://stackoverflow.com/a/10814631/715269 – Gangnus Apr 05 '16 at 11:28
What about the EXPORTED app? – marcolopes Nov 29 '16 at 21:35

score 1 · Answer 2 · answered Aug 20 '13 at 09:38

1

Increase -vmargs to 512 & 1024 in eclipse.ini & close the eclipse & open it again.

Hopefully it will solve the issue.

answered Aug 20 '13 at 09:38

user2689075

41
3

Not the downvoter,But I set these values,No change in the exception. :( – Suresh Atta Aug 20 '13 at 09:44
This will increase the heap not the permgen space, you need to set -XX:MaxPermSize – samlewis Aug 20 '13 at 09:46

score 0 · Answer 3 · answered Mar 05 '15 at 01:48

This problem might also be due to there being too many apps in the launch list when you Run As ... Run on Server in eclipse.

To find out of this is the cause of the problem, you can just click Next to see the list of apps that will be launched, instead of rushing through to click Finish.

If you see other apps besides the one you want to launch, just remove all the unwanted apps so that only your app is selected, and then click Finish. This will require much less memory and thus not require you to jack up the PermGen space.

Eclipse:java.lang.OutOfMemoryError: PermGen space

3 Answers3

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