[hbase] unexpected null value causes META scanner to exit (silently)
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Key: HADOOP-1730
URL: https://issues.apache.org/jira/browse/HADOOP-1730
Project: Hadoop
Issue Type: Bug
Components: contrib/hbase
Reporter: stack
Assignee: stack
META scanner exits silently if a cell value is unexpectedly empty.
At least the out log had this:
{code}
Exception in thread "HMaster.metaScanner" java.lang.IllegalArgumentException:
Can't build a writable with empty bytes array
at org.apache.hadoop.hbase.util.Writables.getWritable(Writables.java:77)
at org.apache.hadoop.hbase.HMaster$BaseScanner.scanRegion(HMaster.java:267)
at
org.apache.hadoop.hbase.HMaster$MetaScanner.scanOneMetaRegion(HMaster.java:597)
at
org.apache.hadoop.hbase.HMaster$MetaScanner.maintenanceScan(HMaster.java:654)
at org.apache.hadoop.hbase.HMaster$BaseScanner.run(HMaster.java:172)
at java.lang.Thread.run(Thread.java:619)
{code}
Need to add at a minimum logging of meta scanner exits with the why.
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