I have the following error in the cluster:
2012-10-31 21:15:49,414 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode:
java.io.IOException: Incompatible build versions: namenode BV =
318bc781117fa276ae81a3d111f5eeba0020634f; datanode BV =
217a3767c48ad11d4632e19a22897677268c40c4
at
org.apache.hadoop.hdfs.server.datanode.DataNode.handshake(DataNode.java:587)
My master has :
Subversion
file:///data/1/tmp/nightly_2012-02-16_09-46-24_3/hadoop-0.20-0.20.2+923.195-1~maverick
-r 217a3767c48ad11d4632e19a22897677268c40c4
And all slaves have
Subversion
file:///data/1/tmp/nightly_2012-03-20_13-13-48_3/hadoop-0.20-0.20.2+923.197-1~maverick
-r 318bc781117fa276ae81a3d111f5eeba0020634f
How can I down-grade mater to b195?
Thanks
