[ZEPPELIN-5070] Improve Shutdown and signal handling

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.9.0
• Fix Version/s: 0.9.0
• Component/s: Interpreters
• Assignee: Philipp Dallig
• Reporter: Philipp Dallig
• Created: 25/Sep/20 13:09
• Updated: 23/Mar/22 07:05
• Resolved: 06/Nov/20 10:26

Description

Goals:

• remove sun.misc.* from RemoteInterpreterServer, because they are not part of the public Java API
• Remove special signal handling in K8s
• Unregister Zeppelin-Interpreter during shutdown
• Clean Shutdown of Zeppelin Interpreter