Base-level OS – AIX 5.2
Maintenance-level patches 5200-07 or above
JDK APAR – IY46668 must be applied
If you have deployed Java web applications on the Web Server, set the following environment variables to the values specified below (as per the IBM JDK documentation) before starting the server:
export AIXTHREAD_SCOPE=S
export AIXTHREAD_MUTEX_DEBUG=OFF
export AIXTHREAD_RWLOCK_DEBUG=OFF
export AIXTHREAD_COND_DEBUG=OFF
You can directly add the above code line to the Web Server start script.