If any sessions running for long time , it is possible to observe locked sessions and kill them manually if needed . Without kiling them , it is also possible to generate thread dump or heap dump based on the situation to find root cause of the issue.
Version : EP7.3
Technical Details :
If any sessions locked after running for long time or If any lock exceptions generated , log-in to NWA using http://host:port/nwa and navigate to Troubleshooting -> Java and choose Locks.
Observe all the sorts of locked sessions . It is possible to remove locks of the particular sessions.
To find the reason for lock exceptions or lock of particular issue , try to generate thread dump or Heap dump and find clue.After resolving the root cause of issue , then only remove the lock of that particular sessions .
To generate Threadump or Heap dump , navigate to Troubleshooting -> Advanced Troubleshooting -> Choose Thread Dump Analysis / Heap Dump analysis and generate as shown below to find root cause of issues.