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https://issues.apache.org/jira/browse/HDDS-14088?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Attila Doroszlai resolved HDDS-14088.
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Fix Version/s: 2.2.0
Resolution: Done
> Replace Preconditions.checkNotNull in hdds-server-scm
> -----------------------------------------------------
>
> Key: HDDS-14088
> URL: https://issues.apache.org/jira/browse/HDDS-14088
> Project: Apache Ozone
> Issue Type: Sub-task
> Components: SCM
> Reporter: Attila Doroszlai
> Assignee: Chenchen Lai
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.2.0
>
>
> Replace {{Preconditions.checkNotNull}} with {{Objects.requireNonNull}} in
> {{hdds-server-scm}}.
> - Add message where missing, e.g.: {{Objects.requireNonNull(var, "var ==
> null");}}
> - Make sure to remove import of {{Preconditions}} if it becomes unused.
> Currently:
> {code}
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/block/DeletedBlockLogStateManagerImpl.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/command/CommandStatusReportHandler.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/placement/metrics/SCMNodeMetric.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/InterSCMGrpcClient.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/InterSCMGrpcProtocolService.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/SCMHAManagerImpl.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/SCMHANodeDetails.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/SCMRatisServerImpl.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/SCMServiceManager.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/SCMStateMachine.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/SequenceIdGenerator.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/StatefulServiceStateManagerImpl.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/HealthyReadOnlyNodeHandler.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/NodeReportHandler.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/SCMNodeManager.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/SCMNodeStorageStatMap.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/states/ReportResult.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/pipeline/PipelinePlacementPolicy.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/pipeline/PipelineReportHandler.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/pipeline/PipelineStateManagerImpl.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/pipeline/PipelineStateMap.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/safemode/HealthyPipelineSafeModeRule.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/safemode/OneReplicaPipelineSafeModeRule.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/SCMCertStore.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/SCMDatanodeHeartbeatDispatcher.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/SCMDatanodeProtocolServer.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/StorageContainerManager.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/upgrade/FinalizationManagerImpl.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/upgrade/FinalizationStateManagerImpl.java
> hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/upgrade/SCMUpgradeFinalizationContext.java
> {code}
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