Xiaoyu Yao created HDDS-673:
-------------------------------
Summary: Suppress "Key not found" exception log with stack trace
in OM
Key: HDDS-673
URL: https://issues.apache.org/jira/browse/HDDS-673
Project: Hadoop Distributed Data Store
Issue Type: Bug
Reporter: Xiaoyu Yao
Assignee: Xiaoyu Yao
We have observed too many KNF exception stack trace from OM logs.
{code}
2018-10-16 21:20:40,248 ERROR
org.apache.hadoop.ozone.om.KeyManagerImpl: Get key failed for volume:volume2
bucket:bucket2
key:testo3/.hive-staging_hive_2018-10-16_21-20-29_158_7074026959914132025-1
org.apache.hadoop.ozone.om.exceptions.OMException: Key not found
at
org.apache.hadoop.ozone.om.KeyManagerImpl.lookupKey(KeyManagerImpl.java:368)
at
org.apache.hadoop.ozone.om.OzoneManager.lookupKey(OzoneManager.java:881)
at
org.apache.hadoop.ozone.protocolPB.OzoneManagerProtocolServerSideTranslatorPB.lookupKey(OzoneManagerProtocolServerSideTranslatorPB.java:400)
at
org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos$OzoneManagerService$2.callBlockingMethod(OzoneManagerProtocolProtos.java:39299)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:524)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1025)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:876)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:822)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1730)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2682)
{code}
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