Alice Fan has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/12926


Change subject: IMPALA-7031: Cancel action of debug page should not unregister 
query
......................................................................

IMPALA-7031: Cancel action of debug page should not unregister query

When a running query is cancelled from impalad WebUI (debug page),
the client will receive an invalid query handle exception on the
next fetch/getOperationStatus attempts. The patch modified
ImpalaHttpHandler, "Cancel" button will only cancel the query instead of
unregister it.

Testing:
- Added test_cancel_query_from_debug_page at test_web_pages.py

Change-Id: I56983d40e0542bc734ec5a66c339b5131b7b56c8
---
M be/src/service/impala-http-handler.cc
M tests/webserver/test_web_pages.py
2 files changed, 21 insertions(+), 1 deletion(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/26/12926/1
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I56983d40e0542bc734ec5a66c339b5131b7b56c8
Gerrit-Change-Number: 12926
Gerrit-PatchSet: 1
Gerrit-Owner: Alice Fan <fan...@gmail.com>
Gerrit-Reviewer: Bikramjeet Vig <bikramjeet....@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>

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