FAQ

[HBase-user] errors after upgrade

Jack Levin
Nov 14, 2011 at 7:37 pm
Anyone seen this before? We continue to have this on several of our clusters.

Thanks.

-Jack
On Wed, Nov 9, 2011 at 7:24 PM, Jack Levin wrote:
Hey guys, I am getting those errors after moving into 0.90.4:

2011-11-09 19:22:51,220 ERROR
org.apache.hadoop.hbase.io.HbaseObjectWritable: Error in readFields
java.io.EOFException
       at java.io.DataInputStream.readInt(DataInputStream.java:375)
       at org.apache.hadoop.hbase.client.Get.readFields(Get.java:377)
       at org.apache.hadoop.hbase.io.HbaseObjectWritable.readObject(HbaseObjectWritable.java:521)
       at org.apache.hadoop.hbase.ipc.HBaseRPC$Invocation.readFields(HBaseRPC.java:127)
       at org.apache.hadoop.hbase.ipc.HBaseServer$Connection.processData(HBaseServer.java:978)
       at org.apache.hadoop.hbase.ipc.HBaseServer$Connection.readAndProcess(HBaseServer.java:946)
       at org.apache.hadoop.hbase.ipc.HBaseServer$Listener.doRead(HBaseServer.java:522)
       at org.apache.hadoop.hbase.ipc.HBaseServer$Listener$Reader.run(HBaseServer.java:316)
       at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
       at java.lang.Thread.run(Thread.java:662)
2011-11-09 19:22:51,220 WARN org.apache.hadoop.ipc.HBaseServer: IPC
Server listener on 60020: readAndProcess threw exception
java.io.IOException: Error in readFields. Count of bytes read: 0
java.io.IOException: Error in readFields
       at org.apache.hadoop.hbase.io.HbaseObjectWritable.readObject(HbaseObjectWritable.java:524)
       at org.apache.hadoop.hbase.ipc.HBaseRPC$Invocation.readFields(HBaseRPC.java:127)
       at org.apache.hadoop.hbase.ipc.HBaseServer$Connection.processData(HBaseServer.java:978)
       at org.apache.hadoop.hbase.ipc.HBaseServer$Connection.readAndProcess(HBaseServer.java:946)
       at org.apache.hadoop.hbase.ipc.HBaseServer$Listener.doRead(HBaseServer.java:522)
       at org.apache.hadoop.hbase.ipc.HBaseServer$Listener$Reader.run(HBaseServer.java:316)
       at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
       at java.lang.Thread.run(Thread.java:662)
Caused by: java.io.EOFException
       at java.io.DataInputStream.readInt(DataInputStream.java:375)
       at org.apache.hadoop.hbase.client.Get.readFields(Get.java:377)
       at org.apache.hadoop.hbase.io.HbaseObjectWritable.readObject(HbaseObjectWritable.java:521)
       ... 8 more


I would be really said if this was the case of reading a row and
getting zero bytes.  Perhaps its an exception for a query when a row
does not exist?

-Jack
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