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https://issues.apache.org/jira/browse/HDDS-8352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17708488#comment-17708488
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Wei-Chiu Chuang commented on HDDS-8352:
---------------------------------------
Yeah. I think based on the key name, this request came from HBase Region
Server, and by hbase user.
This is also the first time I've seen this.
Is that code path supposed to be used by s3g? My use case does not involve s3g..
> 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
> Priority: Major
> Attachments: omdb_npe.tgz
>
>
> 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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