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https://issues.apache.org/jira/browse/FLINK-3685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17328945#comment-17328945
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Flink Jira Bot commented on FLINK-3685:
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This major issue is unassigned and itself and all of its Sub-Tasks have not
been updated for 30 days. So, it has been labeled "stale-major". If this ticket
is indeed "major", please either assign yourself or give an update. Afterwards,
please remove the label. In 7 days the issue will be deprioritized.
> Logical error in code for DateSerializer deserialize with reuse
> ---------------------------------------------------------------
>
> Key: FLINK-3685
> URL: https://issues.apache.org/jira/browse/FLINK-3685
> Project: Flink
> Issue Type: Bug
> Components: API / Type Serialization System
> Affects Versions: 1.0.0
> Reporter: ZhengBowen
> Priority: Major
> Labels: stale-major
>
> There is a logical error in the following function in DateSerializer.java
> when source read '-1'
> function is:
> {code}
> public Date deserialize(Date reuse, DataInputView source) throws IOException {
> long v = source.readLong();
> if(v == -1L) {
> return null;
> }
> reuse.setTime(v);
> return reuse;
> }
> {code}
> when call this function for first time, if return null, then 'reuse' will be
> set null by caller;
> when call this function for second time,if 'v!=-1' ,reuse.setTime(v) will
> throw NPE.
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