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https://issues.apache.org/jira/browse/HDDS-10061?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ivan Andika updated HDDS-10061:
-------------------------------
Target Version/s: 2.0.0, 1.4.2
> NPE when container is loaded with missing container DB
> ------------------------------------------------------
>
> Key: HDDS-10061
> URL: https://issues.apache.org/jira/browse/HDDS-10061
> Project: Apache Ozone
> Issue Type: Bug
> Reporter: Sumit Agrawal
> Assignee: Sumit Agrawal
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.0.0
>
>
> below error is observed in log, but still container is getting loaded
> {code:java}
> 2023-12-13 22:50:05,546 ERROR
> [Thread-5]-org.apache.hadoop.ozone.container.keyvalue.helpers.KeyValueContainerUtil:
> Container DB file is missing for ContainerID 1. Skipping loading of this
> container. {code}
> later, NPE is comming as,
> {code:java}
> 2023-12-13 22:55:54,888 ERROR
> [org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler$DeleteCmdWorker@70884875]-org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler:
> task failed.
> java.util.concurrent.ExecutionException: java.lang.NullPointerException
> at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)
> at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)
> at
> org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler.lambda$processCmd$0(DeleteBlocksCommandHandler.java:311)
> at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)
> at
> org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler.processCmd(DeleteBlocksCommandHandler.java:309)
> at
> org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler.access$100(DeleteBlocksCommandHandler.java:81)
> at
> org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler$DeleteCmdWorker.run(DeleteBlocksCommandHandler.java:191)
> at java.base/java.lang.Thread.run(Thread.java:834)
> Caused by: java.lang.NullPointerException
> at
> com.google.common.base.Preconditions.checkNotNull(Preconditions.java:903)
> at
> org.apache.hadoop.ozone.container.keyvalue.helpers.BlockUtils.getDB(BlockUtils.java:126)
> at
> org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler.markBlocksForDeletionTransaction(DeleteBlocksCommandHandler.java:392)
> at
> org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler.markBlocksForDeletionSchemaV3(DeleteBlocksCommandHandler.java:360)
> at
> org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler.access$500(DeleteBlocksCommandHandler.java:81)
> at
> org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler$ProcessTransactionTask.call(DeleteBlocksCommandHandler.java:245)
> at
> org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler$ProcessTransactionTask.call(DeleteBlocksCommandHandler.java:210)
> at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> ... 1 more {code}
> As per log, container must not be loaded. so need avoid loading container if
> db file is not present.
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