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    Type:Bug 
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    Resolution: Fixed
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    Priority:Major - P3 
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    Affects Version/s: None
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    Component/s: None
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        Storage 2017-08-21, Storage 2017-09-11
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        None
Jenkins job wiredtiger-test-unit-zseries encountered a failure with python test test_alter02:
http://build.wiredtiger.com:8080/job/wiredtiger-test-unit-zseries/1202/console
From the job logs:
ERROR: test_alter02.test_alter02.test_alter02_log(conn-create-logged.file.always-logged.no-reopen) (subunit.RemotedTestCase)
test_alter02.test_alter02.test_alter02_log(conn-create-logged.file.always-logged.no-reopen)
----------------------------------------------------------------------
_StringException: Traceback (most recent call last):
  File "/mnt/workspace/wiredtiger-test-unit-zseries/test/suite/test_alter02.py", line 231, in test_alter02_log
    self.verify_logrecs(expected_keys)
  File "/mnt/workspace/wiredtiger-test-unit-zseries/test/suite/test_alter02.py", line 114, in verify_logrecs
    while c.next() == 0:
WiredTigerError: WT_ERROR: non-specific WiredTiger error