[Impala-CR](cdh5-trunk) IMPALA-3385: Fix crashes on accessing error_log

["Dan Hecht (Code Review)" <ge...@cloudera.org>]

Dan Hecht has posted comments on this change.

Change subject: IMPALA-3385: Fix crashes on accessing error_log
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Patch Set 11:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/2829/11/tests/query_test/test_errorlog.py
File tests/query_test/test_errorlog.py:

Line 29: class TestErrorLogs(ImpalaTestSuite):
> I don't know what you are saying.  Are you saying we still don't have a reg
BTW, when I say "repros the crash", hitting the DCHECK(!messages.empty()) that you added to the old code to test is sufficient. Basically, I want to make sure we're exercising the code path that can lead to a crash in the old code (read from empty() vector).


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Gerrit-MessageType: comment
Gerrit-Change-Id: I3a7e3d22e26147ada780aae5aed1f2e25a515afc
Gerrit-PatchSet: 11
Gerrit-Project: Impala
Gerrit-Branch: cdh5-trunk
Gerrit-Owner: Huaisi Xu <hx...@cloudera.com>
Gerrit-Reviewer: Bharath Vissapragada <bh...@cloudera.com>
Gerrit-Reviewer: Dan Hecht <dh...@cloudera.com>
Gerrit-Reviewer: Huaisi Xu <hx...@cloudera.com>
Gerrit-HasComments: Yes