Wei-Chiu Chuang created HDDS-8352:
-------------------------------------
Summary: OM crashed due to OzoneAclUtils.isOwner() throwing NPE
Key: HDDS-8352
URL: https://issues.apache.org/jira/browse/HDDS-8352
Project: Apache Ozone
Issue Type: Bug
Reporter: Wei-Chiu Chuang
While debugging HDDS-8292, another issue occurred which crashed OM. OM is
unable to restart despite several attempts.
{noformat}
2023-03-30 01:17:48,248 ERROR
org.apache.hadoop.ozone.om.ratis.OzoneManagerStateMachine: Terminating with
exit status 1: Request cmdType: CommitKey
clientId: "client-D4205EE3CB56"
commitKeyRequest {
keyArgs {
volumeName: "vol1"
bucketName: "bucket1"
keyName:
"ozpc12-cf4-8.ozpc12-cf4.root.hwx.site%2C22101%2C1679350143649.1679357760087"
dataSize: 561054
type: RATIS
factor: THREE
keyLocations {
blockID {
containerBlockID {
containerID: 8
localID: 111677748019202442
}
blockCommitSequenceId: 0
}
offset: 0
length: 561054
createVersion: 0
partNumber: 0
}
}
clientID: 110058390173712730
}
failed with exception
java.lang.NullPointerException
at
org.apache.hadoop.ozone.om.OzoneAclUtils.isOwner(OzoneAclUtils.java:146)
at
org.apache.hadoop.ozone.om.OzoneAclUtils.checkAllAcls(OzoneAclUtils.java:84)
at
org.apache.hadoop.ozone.om.request.OMClientRequest.checkAcls(OMClientRequest.java:364)
at
org.apache.hadoop.ozone.om.request.OMClientRequest.checkAcls(OMClientRequest.java:215)
at
org.apache.hadoop.ozone.om.request.key.OMKeyRequest.checkKeyAcls(OMKeyRequest.java:342)
at
org.apache.hadoop.ozone.om.request.key.OMKeyRequest.checkKeyAclsInOpenKeyTable(OMKeyRequest.java:391)
at
org.apache.hadoop.ozone.om.request.key.OMKeyCommitRequestWithFSO.validateAndUpdateCache(OMKeyCommitRequestWithFSO.java:112)
at
org.apache.hadoop.ozone.protocolPB.OzoneManagerRequestHandler.handleWriteRequest(OzoneManagerRequestHandler.java:337)
at
org.apache.hadoop.ozone.om.ratis.OzoneManagerStateMachine.runCommand(OzoneManagerStateMachine.java:533)
at
org.apache.hadoop.ozone.om.ratis.OzoneManagerStateMachine.lambda$1(OzoneManagerStateMachine.java:324)
at
java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1604)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
{noformat}
For some reason, the callerUgi is null at here:
https://github.com/apache/ozone/blob/eafd2ccec01ffcb5b9966fc957d5e6b1ce4b3ddc/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneAclUtils.java#L146
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