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https://issues.apache.org/jira/browse/HIVE-9330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14280753#comment-14280753
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Chaoyu Tang commented on HIVE-9330:
-----------------------------------
The writeType in WriteEntity is default null if not set. I saw a couple of DML
cases with writeType not set which leads to NPE thrown from switch (null). Try
to be defensive.
> DummyTxnManager will throw NPE if WriteEntity writeType has not been set
> ------------------------------------------------------------------------
>
> Key: HIVE-9330
> URL: https://issues.apache.org/jira/browse/HIVE-9330
> Project: Hive
> Issue Type: Bug
> Reporter: Chaoyu Tang
> Assignee: Chaoyu Tang
> Priority: Minor
> Attachments: HIVE-9330.patch, HIVE-9330.patch
>
>
> DummyTxnManager line 259:
> {code}
> switch (we.getWriteType()) {
> case DDL_EXCLUSIVE:
> return HiveLockMode.EXCLUSIVE;
> case DDL_SHARED:
> return HiveLockMode.SHARED;
> ...
> {code}
> will throw out NPE in case the WriteEntity(we) writeType has not been set.
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