[ https://issues.jboss.org/browse/JASSIST-259?page=com.atlassian.jira.plugi... ] Shigeru Chiba edited comment on JASSIST-259 at 1/19/16 4:07 AM: ---------------------------------------------------------------- You're right. I found [this commit|https://github.com/jboss-javassist/javassist/commit/bd1c47e0f555ad...] introduced this bug. A fix will be: {code:java} private Class createClass1() { Class result = thisClass; if (result == null) { ClassLoader cl = getClassLoader(); synchronized (proxyCache) { if (factoryUseCache) createClass2(cl); else createClass3(cl); result = thisClass; // don't retain any unwanted references thisClass = null; } } // don't do thisClass = null return result; } } {code} was (Author: chiba): You're right. I found [this commit|https://github.com/jboss-javassist/javassist/commit/bd1c47e0f555ad...] introduced this bug. A fix will be: {code:java} private Class createClass1() { Class result = thisClass; if (result == null) { ClassLoader cl = getClassLoader(); synchronized (proxyCache) { if (factoryUseCache) createClass2(cl); else createClass3(cl); result = thisClass; // don't retain any unwanted references thisClass = null; } } return result; } {code} -- This message was sent by Atlassian JIRA (v6.4.11#64026)