Created 09-12-2018 12:48 PM
No configuration changed when I started getting
Datanode is not connected to one or more of its Namenode.
Also, I start getting web server status error that Cloudera agent is not getting a response from its web server role.
This is what the log looks like:
dwh-worker-4.c.abc-1225.internal ERROR September 12, 2018 5:33 PM DataNode
dwh-worker-4.c.abc-1225.internal:50010:DataXceiver error processing WRITE_BLOCK operation src: /172.31.10.74:44280 dst: /172.31.10.74:50010
java.io.IOException: Not ready to serve the block pool, BP-1423177047-172.31.4.192-1492091038346.
at org.apache.hadoop.hdfs.server.datanode.DataXceiver.checkAndWaitForBP(DataXceiver.java:1290)
at org.apache.hadoop.hdfs.server.datanode.DataXceiver.checkAccess(DataXceiver.java:1298)
at org.apache.hadoop.hdfs.server.datanode.DataXceiver.writeBlock(DataXceiver.java:630)
at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opWriteBlock(Receiver.java:169)
at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:106)
at org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:246)
at java.lang.Thread.run(Thread.java:745)
also, the data nodes are randomly exiting:
dwh-worker-1.c.abc-1225.internal:50010:DataXceiver error processing WRITE_BLOCK operation src: /172.31.10.74:49848 dst: /172.31.4.147:50010 java.io.IOException: Not ready to serve the block pool, BP-1423177047-172.31.4.192-1492091038346. at org.apache.hadoop.hdfs.server.datanode.DataXceiver.checkAndWaitForBP(DataXceiver.java:1290) at org.apache.hadoop.hdfs.server.datanode.DataXceiver.checkAccess(DataXceiver.java:1298) at org.apache.hadoop.hdfs.server.datanode.DataXceiver.writeBlock(DataXceiver.java:630) at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opWriteBlock(Receiver.java:169) at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:106) at org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:246) at java.lang.Thread.run(Thread.java:745)
Created 05-06-2019 06:35 AM
Has this problem been solved?
Created 05-06-2019 09:47 PM
Has this problem been solved?
Created 05-07-2019 11:38 AM
please check below article:
https://antnix07.blogspot.com/2017/05/normal-0-false-false-false-en-us-x-none.html