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On BDA A Resource Manager Goes Down with "Exception while executing a ZK operation." (Doc ID 2542137.1)

Last updated on NOVEMBER 06, 2019

Applies to:

Big Data Appliance Integrated Software - Version 4.9.0 and later
Linux x86-64


On BDA, a Resource Manager goes down with errors like below:

From the Resource Manager logs:

FATAL org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Received a org.apache.hadoop.yarn.server.resourcemanager.RMFatalEvent of type STATE_STORE_OP_FAILED. Cause:org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss
<TIMESTAMP> INFO org.apache.zookeeper.ClientCnxn: Session establishment complete on server <HOSTNAME>.<DOMAINNAME>/<PRIVATE_IP>:<PORT>, sessionid = <ID>, negotiated timeout = 60000

<TIMESTAMP> INFO org.apache.zookeeper.ClientCnxn: Unable to read additional data from server sessionid <ID>, likely server has closed socket, closing socket connection and attempting reconnect
<TIMESTAMP> INFO org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore: Exception while executing a ZK operation. org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss

From the Zookeeper logs:

<TIMESTAMP> WARN org.apache.zookeeper.server.NIOServerCnxn: Exception causing close of session <ID> due to Len error <LARGE_SIZE>
<TIMESTAMP> INFO org.apache.zookeeper.server.NIOServerCnxn: Closed socket connection for client /<PRIVATE_IP>:<PORT> which had sessionid <ID>



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