ObjectOutputStream sometimes uses the wrong classloader.
--------------------------------------------------------
Key: JRUBY-5142
URL: http://jira.codehaus.org/browse/JRUBY-5142
Project: JRuby
Issue Type: Bug
Components: Java Integration
Affects Versions: JRuby 1.5.3
Reporter: Rib Rdb
We use ObjectInputStream for unmarshaling java objects. ObjectInputStream uses
latestUserDefinedLoader() to load classes:
{code:title=ObjectInputStream.java}
/**
* Returns the first non-null class loader (not counting class loaders of
* generated reflection implementation classes) up the execution stack, or
* null if only code from the null class loader is on the stack. This
* method is also called via reflection by the following RMI-IIOP class:
*
* com.sun.corba.se.internal.util.JDKClassLoader
*
* This method should not be removed or its signature changed without
* corresponding modifications to the above class.
*/
// REMIND: change name to something more accurate?
private static native ClassLoader latestUserDefinedLoader();
{code}
Usually this ends up being the JRubyClassLoader and everything is happy.
However sometimes we get a OneShotClassLoader and things blow up.
I created a subclass of ObjectInputStream which always tries using
JRubyClassLoader:
http://github.com/jruby/jruby/pull/8
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