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From "bluedavy (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-4563) When split doing this.parent.close(false) occurs error,it'll cause the splited region cann't write & read
Date Mon, 10 Oct 2011 03:14:29 GMT
When split doing this.parent.close(false) occurs error,it'll cause the splited region cann't
write & read
---------------------------------------------------------------------------------------------------------

                 Key: HBASE-4563
                 URL: https://issues.apache.org/jira/browse/HBASE-4563
             Project: HBase
          Issue Type: Bug
    Affects Versions: 0.90.4
            Reporter: bluedavy
            Priority: Blocker
             Fix For: 0.90.5


Follow below steps to replay the problem:
1. change the SplitTransaction.java as below,just like mock the hdfs error.
   {code:title=SplitTransaction.java|borderStyle=solid}
      List<StoreFile> hstoreFilesToSplit = this.parent.close(false);
      throw new IOException("some unexpected error in close store files");
   {code} 
2. update the regionserver code,restart;
3. create a table & put some data to the table;
4. split the table;
5. scan the table,then it'll fail.

We can fix the bug just use below code:
{code:title=SplitTransaction.java|borderStyle=solid}
      List<StoreFile> hstoreFilesToSplit = null;
      try{
          hstoreFilesToSplit = this.parent.close(false);
      }
      catch(IOException  e){
          this.journal.add(JournalEntry.CLOSED_PARENT_REGION);
          throw e;
      }
{code} 

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