https://issues.apache.org/bugzilla/show_bug.cgi?id=48694
--- Comment #2 from aullr...@blackducksoftware.com 2010-02-08 14:27:08 UTC ---
This fix works for us here. It's not checked into trunk yet, though?
In our case a well known 3rd party library calls
first WebappClassLoader.load(...), catches and eats any Throwable including
CNFException and then delegates to Class.forName(..).
Therefore two threads trying to literally load a class with the name "x" end up
being deadlocked on the name of the class and the class loader instance.
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1362)
- waiting to lock <0x00002aaab67f1090> (a java.lang.String)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1329)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
- locked <0x00002aaab9f0b4d8> (a
org.apache.catalina.loader.WebappClassLoader)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
---
at
org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:993)
- waiting to lock <0x00002aaab9f0b4d8> (a
org.apache.catalina.loader.WebappClassLoader)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1451)
- locked <0x00002aaab67f1090> (a java.lang.String)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1329)
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