vmaster.cc created ZEPPELIN-5468:
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Summary: Fix NullPointerException of
org.apache.zeppelin.socket.NotebookServer when invalid ticket message received
Key: ZEPPELIN-5468
URL: https://issues.apache.org/jira/browse/ZEPPELIN-5468
Project: Zeppelin
Issue Type: Improvement
Components: zeppelin-server
Affects Versions: 0.9.0, 0.9.1
Reporter: vmaster.cc
Fix For: 0.9.1, 0.9.0
Attachments: image-2021-07-24-12-42-42-943.png
Fix NullPointerException of org.apache.zeppelin.socket.NotebookServer when
invalid ticket message received
This exception may occur when server sessions is not contains received
principal. In other words, it happend when no session case.
!image-2021-07-24-12-38-15-123.png|width=563,height=323!
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