Symptom
The SXP service status will usually be in not running state right after starting ISE.
Conditions
Following exception is observed in sxp-catalina.out file right after ISE starts/restarts.
exception in thread "Thread-8" java.lang.NoClassDefFoundError: io/netty/util/concurrent/OrderedEventExecutor
at java.lang.ClassLoader.defineClass1(Native Method)
Workaround
Restart the SXP service
Further Problem Description
This issue usually happens due to Jar collision.
That means that there are 2 jar files with same name but other version in the lib folder that collide.
