[jira] Commented: (HBASE-1093) NPE in HStore#compact

[stack (JIRA)]

    [ 
https://issues.apache.org/jira/browse/HBASE-1093?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12659485#action_12659485
 ] 

stack commented on HBASE-1093:
------------------------------

I was going to add below as part of another patch more by way as trying to 
learn more about this NPE:

{code}
      for (int i = 0; i < countOfFiles; i++) {
        HStoreFile file = filesToCompact.get(i);
        Path path = file.getMapFilePath();
        if (path == null) {
          LOG.warn("Path is null for " + file);
          return null;
        }
...
{code}

Shouldn't be a null path hereabouts.

> NPE in HStore#compact
> ---------------------
>
>                 Key: HBASE-1093
>                 URL: https://issues.apache.org/jira/browse/HBASE-1093
>             Project: Hadoop HBase
>          Issue Type: Bug
>         Environment: apurtell cluster
>            Reporter: stack
>             Fix For: 0.19.0
>
>
> I think I've seen this one before (if line numbers agree):
> {code}
> 2008-12-28 00:06:21,111 ERROR 
> org.apache.hadoop.hbase.regionserver.CompactSplitThread: Compaction failed 
> for region content,10a1c144cf729885001e71a5ff5108dc,1230416158498
> java.lang.NullPointerException
>         at 
> org.apache.hadoop.hbase.regionserver.HStore.compact(HStore.java:870)
>         at 
> org.apache.hadoop.hbase.regionserver.HRegion.compactStores(HRegion.java:709)
>         at 
> org.apache.hadoop.hbase.regionserver.HRegion.compactStores(HRegion.java:666)
> {code}

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