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java.lang.OutOfMemoryError: Compressed class space error

in Oracle Weblogic Server (MOSC) 1 comment

A web application in WLS 12.2.1.3 periodically runs out of memory with "java.lang.OutOfMemoryError: Compressed class space error". I am running on a 64-bit platform with latest Java 8.

Here is a snippet of stack trace we observe in the server logs:

Stack trace: java.lang.ClassLoader.findLoadedClass0(Native Method) java.lang.ClassLoader.findLoadedClass(ClassLoader.java:1031)

weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.java:521)

weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.java:496)

weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.java:473)

org.eclipse.persistence.internal.jaxb.JaxbClassLoader.loadClass(JaxbClassLoader.java:107)

org.eclipse.persistence.jaxb.javamodel.reflection.JavaModelImpl.getClass(JavaModelImpl.java:97)

org.eclipse.persistence.jaxb.javamodel.Helper.getJavaClass(Helper.java:234)

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