[jira] [Resolved] (KNOX-1620) NPE in StringStatisticsImpl.merge()

["Sandeep More (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KNOX-1620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sandeep More resolved KNOX-1620.
--------------------------------
    Resolution: Invalid

Oops opened ORC bug on Knox.

> NPE in StringStatisticsImpl.merge()
> -----------------------------------
>
>                 Key: KNOX-1620
>                 URL: https://issues.apache.org/jira/browse/KNOX-1620
>             Project: Apache Knox
>          Issue Type: Bug
>            Reporter: Sandeep More
>            Assignee: Sandeep More
>            Priority: Major
>
> StringStatisticsImpl.merge() does not test the conditions safely which can cause NPE e.g.
> {code:java}
> java.lang.NullPointerException
>     at org.apache.hadoop.io.Text.encode(Text.java:443)
>     at org.apache.hadoop.io.Text.set(Text.java:198)
>     at org.apache.hadoop.io.Text.<init>(Text.java:88)
>     at org.apache.orc.impl.ColumnStatisticsImpl$StringStatisticsImpl.merge(ColumnStatisticsImpl.java:610)
>     at org.apache.orc.impl.writer.StringBaseTreeWriter.createRowIndexEntry(StringBaseTreeWriter.java:218)
>     at org.apache.orc.impl.writer.StructTreeWriter.createRowIndexEntry(StructTreeWriter.java:106)
>     at org.apache.orc.impl.WriterImpl.createRowIndexEntry(WriterImpl.java:435)
>     at org.apache.orc.impl.WriterImpl.flushStripe(WriterImpl.java:441)
>     at org.apache.orc.impl.WriterImpl.close(WriterImpl.java:582){code}



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