WebappClassLoader deadlock if web application uses it's own classloader
Issue
Tomcat6 deadlocks on WebappClassLoader :
Found one Java-level deadlock:
=============================
"http-8080-6":
waiting to lock monitor 0x1731bafc (object 0x08189dd0, a org.apache.catalina.loader.WebappClassLoader),
which is held by "http-8080-1"
"http-8080-1":
waiting to lock monitor 0x1731b88c (object 0x13bdb118, a java.lang.String),
which is held by "http-8080-5"
"http-8080-5":
waiting to lock monitor 0x1731bafc (object 0x08189dd0, a org.apache.catalina.loader.WebappClassLoader),
which is held by "http-8080-1"
Note : Logs above are extracted from upstream tomcat bugzilla
Environment
- Red Hat Enterprise Linux (RHEL) v.6.3
- Tomcat6
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