qiangwang created HIVE-3857:
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Summary: HiveHistoryViewer concurrency problem
Key: HIVE-3857
URL: https://issues.apache.org/jira/browse/HIVE-3857
Project: Hive
Issue Type: Bug
Components: Logging
Reporter: qiangwang
Priority: Minor
new HiveHistoryViewer() throws ConcurrentModificationException when called
concurrently by several threads.
According to the stacktrace, HiveHistory.parseLine use "private static
Map<String, String> parseBuffer" to store parsed data and this finally caused
the exception.
I don't know why a static buffer rather than a local buffer is used!
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