[ 
https://issues.apache.org/jira/browse/HDDS-12347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Attila Doroszlai updated HDDS-12347:
------------------------------------
    Description: 
{code}
M D NP: Possible null pointer dereference in 
org.apache.hadoop.fs.contract.AbstractContractCopyFromLocalTest.testCopyDirectoryWithDelete()
 due to return value of called method  Dereferenced at 
AbstractContractCopyFromLocalTest.java:[line 265]
M B RV: Exceptional return value of java.io.File.delete() ignored in 
org.apache.hadoop.fs.contract.AbstractContractCopyFromLocalTest.teardown()  At 
AbstractContractCopyFromLocalTest.java:[line 50]
M B RV: Exceptional return value of java.io.File.delete() ignored in 
org.apache.hadoop.fs.contract.AbstractContractCopyFromLocalTest.testCopyMissingFile()
  At AbstractContractCopyFromLocalTest.java:[line 102]
M D BC: Unchecked/unconfirmed cast from org.apache.hadoop.fs.FileStatus to 
org.apache.hadoop.fs.EtagSource in 
org.apache.hadoop.fs.contract.AbstractContractEtagTest.etagFromStatus(FileStatus)
  At AbstractContractEtagTest.java:[line 86]
M B RR: 
org.apache.hadoop.fs.ozone.TestOzoneFSWithObjectStoreCreate.createKey(OzoneBucket,
 String, int, byte[]) ignores result of 
org.apache.hadoop.fs.FSDataInputStream.read(byte[], int, int)  At 
TestOzoneFSWithObjectStoreCreate.java:[line 439]
M B RR: 
org.apache.hadoop.fs.ozone.TestOzoneFSWithObjectStoreCreate.createKey(OzoneBucket,
 String, int, byte[]) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
TestOzoneFSWithObjectStoreCreate.java:[line 430]
M D NP: Possible null pointer dereference in 
org.apache.hadoop.hdds.scm.TestSCMInstallSnapshot.testInstallCheckPoint() due 
to return value of called method  Dereferenced at 
TestSCMInstallSnapshot.java:[line 129]
M D NP: Possible null pointer dereference in 
org.apache.hadoop.hdds.scm.TestSCMInstallSnapshot.testInstallCheckPoint() due 
to return value of called method  Dereferenced at 
TestSCMInstallSnapshot.java:[line 130]
M D NP: Possible null pointer dereference in 
org.apache.hadoop.hdds.scm.TestSCMInstallSnapshotWithHA.testInstallCorruptedCheckpointFailure()
 due to return value of called method  Dereferenced at 
TestSCMInstallSnapshotWithHA.java:[line 243]
M B RV: Exceptional return value of java.io.File.delete() ignored in 
org.apache.hadoop.hdds.scm.TestSCMInstallSnapshotWithHA.testInstallCorruptedCheckpointFailure()
  At TestSCMInstallSnapshotWithHA.java:[line 247]
M B RV: Exceptional return value of java.io.File.delete() ignored in 
org.apache.hadoop.hdds.scm.TestStorageContainerManagerHA.testBootStrapSCM()  At 
TestStorageContainerManagerHA.java:[line 277]
M D DLS: Dead store to container2 in 
org.apache.hadoop.hdds.scm.container.TestContainerStateManagerIntegration.testAllocateContainerWithDifferentOwner()
  At TestContainerStateManagerIntegration.java:[line 138]
M P UrF: Unread field: 
org.apache.hadoop.hdds.scm.storage.TestCommitWatcher.keyString  At 
TestCommitWatcher.java:[line 150]
M D RV: Return value of 
org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos$ContainerCommandResponseProto.getPutBlock()
 ignored, but method has no side effect  At TestContainerOperations.java:[line 
120]
M D NP: Possible null pointer dereference in 
org.apache.hadoop.ozone.TestCpuMetrics.testCpuMetrics() due to return value of 
called method  Dereferenced at TestCpuMetrics.java:[line 54]
M B RR: 
org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.assertInputStreamContent(String,
 InputStream) ignores result of java.io.InputStream.read(byte[])  At 
OzoneRpcClientTests.java:[line 2260]
M B RR: 
org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.doMultipartUpload(OzoneBucket,
 String, byte, ReplicationConfig, Map, Map) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
OzoneRpcClientTests.java:[line 4237]
M B RR: 
org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.lambda$testPutKeyRatisThreeNodesParallel$29(OzoneBucket,
 String, String, Instant, CountDownLatch, AtomicInteger) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
OzoneRpcClientTests.java:[line 2055]
M B RR: 
org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.lambda$testReadKeyWithCorruptedData$30(OzoneBucket,
 String) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
OzoneRpcClientTests.java:[line 2310]
M B RR: 
org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.lambda$testReadKeyWithCorruptedDataWithMutiNodes$32(OzoneBucket,
 String, byte[]) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
OzoneRpcClientTests.java:[line 2481]
M B RR: 
org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.readCorruptedKey(String, 
String, String, boolean) ignores result of java.io.InputStream.read(byte[])  At 
OzoneRpcClientTests.java:[line 2157]
M B RR: 
org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testCommitPartAfterCompleteUpload()
 ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
OzoneRpcClientTests.java:[line 3660]
M B RR: 
org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testGetKeyAndFileWithNetworkTopology()
 ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
OzoneRpcClientTests.java:[line 4850]
M B RR: 
org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testKeyReadWriteForGDPR()
 ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
OzoneRpcClientTests.java:[line 4444]
M B RR: org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testPutKey() 
ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
OzoneRpcClientTests.java:[line 1215]
M B RR: 
org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testPutKeyRatisOneNode() 
ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
OzoneRpcClientTests.java:[line 1978]
M B RR: 
org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testPutKeyRatisThreeNodes()
 ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
OzoneRpcClientTests.java:[line 2013]
M B RR: 
org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testPutKeyWithReplicationConfig(String,
 boolean) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
OzoneRpcClientTests.java:[line 1181]
M B RR: 
org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testReadKeyWithCorruptedDataWithMutiNodes()
 ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
OzoneRpcClientTests.java:[line 2464]
M B RR: 
org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testZReadKeyWithUnhealthyContainerReplica()
 ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
OzoneRpcClientTests.java:[line 2406]
M B RR: 
org.apache.hadoop.ozone.client.rpc.TestCloseContainerHandlingByClient.testMultiBlockWrites3()
 ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
TestCloseContainerHandlingByClient.java:[line 331]
M D NP: Possible null pointer dereference in 
org.apache.hadoop.ozone.client.rpc.TestContainerStateMachine.testRatisSnapshotRetention()
 due to return value of called method  Dereferenced at 
TestContainerStateMachine.java:[line 206]
M D NP: Possible null pointer dereference in 
org.apache.hadoop.ozone.client.rpc.TestContainerStateMachine.testRatisSnapshotRetention()
 due to return value of called method  Dereferenced at 
TestContainerStateMachine.java:[line 227]
M B RR: 
org.apache.hadoop.ozone.client.rpc.TestContainerStateMachineFailures.validateData(String,
 int, String) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
TestContainerStateMachineFailures.java:[line 867]
M C RV: Return value of java.util.concurrent.CountDownLatch.await(long, 
TimeUnit) ignored in 
org.apache.hadoop.ozone.client.rpc.TestContainerStateMachineFailures.testWriteStateMachineDataIdempotencyWithClosedContainer()
  At TestContainerStateMachineFailures.java:[line 732]
M B RR: 
org.apache.hadoop.ozone.client.rpc.TestHybridPipelineOnDatanode.testHybridPipelineOnDatanode()
 ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
TestHybridPipelineOnDatanode.java:[line 167]
M B RR: 
org.apache.hadoop.ozone.client.rpc.TestOzoneClientMultipartUploadWithFSO.testCommitPartAfterCompleteUpload()
 ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
TestOzoneClientMultipartUploadWithFSO.java:[line 510]
M B RR: 
org.apache.hadoop.ozone.client.rpc.TestSecureOzoneRpcClient.testPutKeySuccessWithBlockTokenWithBucketLayout(BucketLayout)
 ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
TestSecureOzoneRpcClient.java:[line 181]
M B RR: 
org.apache.hadoop.ozone.client.rpc.read.TestChunkInputStream.readDataFromChunk(ChunkInputStream,
 int) ignores result of 
org.apache.hadoop.hdds.scm.storage.ChunkInputStream.read(byte[], int, int)  At 
TestChunkInputStream.java:[line 218]
M B RR: 
org.apache.hadoop.ozone.client.rpc.read.TestChunkInputStream.readDataFromChunk(ChunkInputStream,
 int, int) ignores result of 
org.apache.hadoop.hdds.scm.storage.ChunkInputStream.read(byte[], int, int)  At 
TestChunkInputStream.java:[line 211]
M B RR: 
org.apache.hadoop.ozone.client.rpc.read.TestChunkInputStream.testChunkReadBuffers(TestBucket)
 ignores result of 
org.apache.hadoop.hdds.scm.storage.ChunkInputStream.read(byte[])  At 
TestChunkInputStream.java:[line 79]
M B RR: 
org.apache.hadoop.ozone.client.rpc.read.TestKeyInputStream.testSeek(TestBucket) 
ignores result of org.apache.hadoop.ozone.client.io.KeyInputStream.read(byte[], 
int, int)  At TestKeyInputStream.java:[line 271]
M B RR: 
org.apache.hadoop.ozone.client.rpc.read.TestKeyInputStream.testSkip(TestBucket) 
ignores result of org.apache.hadoop.ozone.client.io.KeyInputStream.read(byte[], 
int, int)  At TestKeyInputStream.java:[line 364]
M B RR: 
org.apache.hadoop.ozone.client.rpc.read.TestKeyInputStream.validate(TestBucket, 
KeyInputStream, byte[], long, int) ignores result of 
org.apache.hadoop.ozone.client.io.KeyInputStream.read(byte[], int, int)  At 
TestKeyInputStream.java:[line 115]
M B RR: 
org.apache.hadoop.ozone.container.TestContainerReplication.testECContainerReplication()
 ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
TestContainerReplication.java:[line 334]
M B RR: 
org.apache.hadoop.ozone.container.TestContainerReplication.testECContainerReplication()
 ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
TestContainerReplication.java:[line 343]
M B RR: org.apache.hadoop.ozone.container.TestHelper.validateData(String, 
byte[], ObjectStore, String, String) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
TestHelper.java:[line 187]
M B RV: Exceptional return value of java.io.File.createNewFile() ignored in 
org.apache.hadoop.ozone.container.common.statemachine.commandhandler.TestDeleteContainerHandler.testDeleteNonEmptyContainerBlockTable()
  At TestDeleteContainerHandler.java:[line 405]
M B RV: Exceptional return value of java.io.File.createNewFile() ignored in 
org.apache.hadoop.ozone.container.common.statemachine.commandhandler.TestDeleteContainerHandler.testDeleteNonEmptyContainerOnDirEmptyCheckFalse()
  At TestDeleteContainerHandler.java:[line 337]
M B RV: Exceptional return value of java.io.File.createNewFile() ignored in 
org.apache.hadoop.ozone.container.common.statemachine.commandhandler.TestDeleteContainerHandler.testDeleteNonEmptyContainerOnDirEmptyCheckTrue()
  At TestDeleteContainerHandler.java:[line 218]
M B RV: Exceptional return value of java.io.File.setWritable(boolean, boolean) 
ignored in 
org.apache.hadoop.ozone.dn.DatanodeTestUtils.injectContainerMetaDirFailure(File[])
  At DatanodeTestUtils.java:[line 159]
M B RV: Exceptional return value of java.io.File.setWritable(boolean, boolean) 
ignored in 
org.apache.hadoop.ozone.dn.DatanodeTestUtils.restoreContainerMetaDirFromFailure(File[])
  At DatanodeTestUtils.java:[line 172]
M D NP: Possible null pointer dereference in 
org.apache.hadoop.ozone.om.TestKeyManagerImpl.verifyFileStatus(String, List, 
Set, Set, boolean) due to return value of called method  Dereferenced at 
TestKeyManagerImpl.java:[line 1669]
M B RR: org.apache.hadoop.ozone.om.TestListKeys.createKey(OzoneBucket, String, 
int, byte[]) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
TestListKeys.java:[line 395]
M B RR: org.apache.hadoop.ozone.om.TestListKeysWithFSO.createKey(OzoneBucket, 
String, int, byte[]) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
TestListKeysWithFSO.java:[line 667]
M B RV: Exceptional return value of java.io.File.mkdirs() ignored in 
org.apache.hadoop.ozone.om.TestOMDbCheckpointServlet.prepSnapshotData()  At 
TestOMDbCheckpointServlet.java:[line 693]
M D NP: Possible null pointer dereference in 
org.apache.hadoop.ozone.om.TestOMRatisSnapshots.checkSnapshot(OzoneManager, 
OzoneManager, String, List, SnapshotInfo) due to return value of called method  
Dereferenced at TestOMRatisSnapshots.java:[line 356]
M D NP: Possible null pointer dereference in 
org.apache.hadoop.ozone.om.TestOMRatisSnapshots.testInstallCorruptedCheckpointFailure()
 due to return value of called method  Dereferenced at 
TestOMRatisSnapshots.java:[line 1015]
M D NP: Possible null pointer dereference in 
org.apache.hadoop.ozone.om.TestOMRatisSnapshots.unTarLatestTarBall(OzoneManager,
 Path) due to return value of called method  Method invoked at 
TestOMRatisSnapshots.java:[line 1118]
M B RR: org.apache.hadoop.ozone.om.TestOMRatisSnapshots.readKeys(List) ignores 
result of org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, 
int)  At TestOMRatisSnapshots.java:[line 1100]
M B RV: Exceptional return value of java.io.File.delete() ignored in 
org.apache.hadoop.ozone.om.TestOMRatisSnapshots.testInstallCorruptedCheckpointFailure()
  At TestOMRatisSnapshots.java:[line 1019]
M B RR: 
org.apache.hadoop.ozone.om.TestObjectStoreWithFSO.createKey(OzoneBucket, 
String, int, byte[]) ignores result of 
org.apache.hadoop.fs.FSDataInputStream.read(byte[], int, int)  At 
TestObjectStoreWithFSO.java:[line 601]
M B RR: 
org.apache.hadoop.ozone.om.TestObjectStoreWithFSO.createKey(OzoneBucket, 
String, int, byte[]) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
TestObjectStoreWithFSO.java:[line 588]
H D ST: Write to static field 
org.apache.hadoop.ozone.om.TestOmAcls.bucketAclAllow from instance method 
org.apache.hadoop.ozone.om.TestOmAcls.testCreateBucketPermissionDenied()  At 
TestOmAcls.java:[line 141]
H D ST: Write to static field org.apache.hadoop.ozone.om.TestOmAcls.keyAclAllow 
from instance method 
org.apache.hadoop.ozone.om.TestOmAcls.testCreateKeyPermissionDenied()  At 
TestOmAcls.java:[line 170]
H D ST: Write to static field 
org.apache.hadoop.ozone.om.TestOmAcls.volumeAclAllow from instance method 
org.apache.hadoop.ozone.om.TestOmAcls.testCreateVolumePermissionDenied()  At 
TestOmAcls.java:[line 114]
M D ST: Write to static field 
org.apache.hadoop.ozone.om.TestOmAcls.bucketAclAllow from instance method 
org.apache.hadoop.ozone.om.TestOmAcls.setup()  At TestOmAcls.java:[line 107]
M D ST: Write to static field org.apache.hadoop.ozone.om.TestOmAcls.keyAclAllow 
from instance method org.apache.hadoop.ozone.om.TestOmAcls.setup()  At 
TestOmAcls.java:[line 108]
M D ST: Write to static field 
org.apache.hadoop.ozone.om.TestOmAcls.prefixAclAllow from instance method 
org.apache.hadoop.ozone.om.TestOmAcls.setup()  At TestOmAcls.java:[line 109]
M D ST: Write to static field 
org.apache.hadoop.ozone.om.TestOmAcls.volumeAclAllow from instance method 
org.apache.hadoop.ozone.om.TestOmAcls.setup()  At TestOmAcls.java:[line 106]
M D ST: Write to static field 
org.apache.hadoop.ozone.om.TestOmAcls.bucketAclAllow from instance method 
org.apache.hadoop.ozone.om.TestOmAcls.testReadBucketPermissionDenied()  At 
TestOmAcls.java:[line 155]
M D ST: Write to static field org.apache.hadoop.ozone.om.TestOmAcls.keyAclAllow 
from instance method 
org.apache.hadoop.ozone.om.TestOmAcls.testReadKeyPermissionDenied()  At 
TestOmAcls.java:[line 186]
M D ST: Write to static field 
org.apache.hadoop.ozone.om.TestOmAcls.volumeAclAllow from instance method 
org.apache.hadoop.ozone.om.TestOmAcls.testReadVolumePermissionDenied()  At 
TestOmAcls.java:[line 128]
M D ST: Write to static field 
org.apache.hadoop.ozone.om.TestOmAcls.bucketAclAllow from instance method 
org.apache.hadoop.ozone.om.TestOmAcls.testSetACLPermissionDenied()  At 
TestOmAcls.java:[line 200]
M D RV: Return value of OMMetadataManager.getBucketTable() ignored, but method 
has no side effect  At TestOmMetrics.java:[line 665]
M D RV: Return value of OMMetadataManager.getVolumeTable() ignored, but method 
has no side effect  At TestOmMetrics.java:[line 667]
M B RR: org.apache.hadoop.ozone.om.TestOzoneManagerHA.createKeyTest(boolean) 
ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
TestOzoneManagerHA.java:[line 433]
M B RR: 
org.apache.hadoop.ozone.om.TestOzoneManagerHA.testCreateFile(OzoneBucket, 
String, String, boolean, boolean) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
TestOzoneManagerHA.java:[line 381]
M D DLS: Dead store to followerOM2 in 
org.apache.hadoop.ozone.om.TestOzoneManagerHAWithStoppedNodes.testOMRestart()  
At TestOzoneManagerHAWithStoppedNodes.java:[line 278]
M B RR: 
org.apache.hadoop.ozone.om.TestOzoneManagerHAWithStoppedNodes.createMultipartKeyAndReadKey(OzoneBucket,
 String, String) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
TestOzoneManagerHAWithStoppedNodes.java:[line 223]
M B RR: 
org.apache.hadoop.ozone.om.snapshot.TestOmSnapshot.checkDayWeekMonthSnapshotData(OzoneBucket,
 int, int, int, int, int, int) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
TestOmSnapshot.java:[line 2341]
M B RR: 
org.apache.hadoop.ozone.om.snapshot.TestOmSnapshot.validateSnapshotDataIntegrity(String,
 int, int, OzoneBucket) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
TestOmSnapshot.java:[line 2380]
M B RR: 
org.apache.hadoop.ozone.om.snapshot.TestOmSnapshotFileSystem.createKey(OzoneBucket,
 String, int, byte[]) ignores result of 
org.apache.hadoop.fs.FSDataInputStream.read(byte[], int, int)  At 
TestOmSnapshotFileSystem.java:[line 387]
M B RR: 
org.apache.hadoop.ozone.om.snapshot.TestOmSnapshotFileSystem.createKey(OzoneBucket,
 String, int, byte[]) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
TestOmSnapshotFileSystem.java:[line 374]
M B RR: 
org.apache.hadoop.ozone.om.snapshot.TestSnapshotBackgroundServices.readKeys(List)
 ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
TestSnapshotBackgroundServices.java:[line 663]
M B RV: Exceptional return value of java.io.File.createNewFile() ignored in 
org.apache.hadoop.ozone.shell.TestOzoneShellHA.startCluster(OzoneConfiguration) 
 At TestOzoneShellHA.java:[line 187]
M B RV: Exceptional return value of java.io.File.mkdirs() ignored in 
org.apache.hadoop.ozone.shell.TestOzoneShellHA.startCluster(OzoneConfiguration) 
 At TestOzoneShellHA.java:[line 186]
M B RV: Exceptional return value of java.io.File.createNewFile() ignored in 
org.apache.hadoop.ozone.shell.TestOzoneTenantShell.init()  At 
TestOzoneTenantShell.java:[line 140]
M B RV: Exceptional return value of java.io.File.delete() ignored in 
org.apache.hadoop.ozone.shell.TestOzoneTenantShell.init()  At 
TestOzoneTenantShell.java:[line 121]
M B RV: Exceptional return value of java.io.File.mkdirs() ignored in 
org.apache.hadoop.ozone.shell.TestOzoneTenantShell.init()  At 
TestOzoneTenantShell.java:[line 139]
M B RV: Exceptional return value of java.io.File.delete() ignored in 
org.apache.hadoop.ozone.shell.TestOzoneTenantShell.shutdown()  At 
TestOzoneTenantShell.java:[line 166]
M B RV: Exceptional return value of java.io.File.createNewFile() ignored in 
org.apache.hadoop.ozone.shell.TestReplicationConfigPreference.init()  At 
TestReplicationConfigPreference.java:[line 100]
M B RV: Exceptional return value of java.io.File.mkdirs() ignored in 
org.apache.hadoop.ozone.shell.TestReplicationConfigPreference.init()  At 
TestReplicationConfigPreference.java:[line 99]
{code}

  was:
{code}
M D NP: Possible null pointer dereference in 
org.apache.hadoop.fs.contract.AbstractContractCopyFromLocalTest.testCopyDirectoryWithDelete()
 due to return value of called method  Dereferenced at 
AbstractContractCopyFromLocalTest.java:[line 265]
M B RV: Exceptional return value of java.io.File.delete() ignored in 
org.apache.hadoop.fs.contract.AbstractContractCopyFromLocalTest.teardown()  At 
AbstractContractCopyFromLocalTest.java:[line 50]
M B RV: Exceptional return value of java.io.File.delete() ignored in 
org.apache.hadoop.fs.contract.AbstractContractCopyFromLocalTest.testCopyMissingFile()
  At AbstractContractCopyFromLocalTest.java:[line 102]
M D BC: Unchecked/unconfirmed cast from org.apache.hadoop.fs.FileStatus to 
org.apache.hadoop.fs.EtagSource in 
org.apache.hadoop.fs.contract.AbstractContractEtagTest.etagFromStatus(FileStatus)
  At AbstractContractEtagTest.java:[line 86]
M B RR: 
org.apache.hadoop.fs.ozone.TestOzoneFSWithObjectStoreCreate.createKey(OzoneBucket,
 String, int, byte[]) ignores result of 
org.apache.hadoop.fs.FSDataInputStream.read(byte[], int, int)  At 
TestOzoneFSWithObjectStoreCreate.java:[line 439]
M B RR: 
org.apache.hadoop.fs.ozone.TestOzoneFSWithObjectStoreCreate.createKey(OzoneBucket,
 String, int, byte[]) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
TestOzoneFSWithObjectStoreCreate.java:[line 430]
M D NP: Possible null pointer dereference in 
org.apache.hadoop.hdds.scm.TestSCMInstallSnapshot.testInstallCheckPoint() due 
to return value of called method  Dereferenced at 
TestSCMInstallSnapshot.java:[line 129]
M D NP: Possible null pointer dereference in 
org.apache.hadoop.hdds.scm.TestSCMInstallSnapshotWithHA.testInstallCorruptedCheckpointFailure()
 due to return value of called method  Dereferenced at 
TestSCMInstallSnapshotWithHA.java:[line 243]
M B RV: Exceptional return value of java.io.File.delete() ignored in 
org.apache.hadoop.hdds.scm.TestSCMInstallSnapshotWithHA.testInstallCorruptedCheckpointFailure()
  At TestSCMInstallSnapshotWithHA.java:[line 247]
M B RV: Exceptional return value of java.io.File.delete() ignored in 
org.apache.hadoop.hdds.scm.TestStorageContainerManagerHA.testBootStrapSCM()  At 
TestStorageContainerManagerHA.java:[line 277]
M D DLS: Dead store to container2 in 
org.apache.hadoop.hdds.scm.container.TestContainerStateManagerIntegration.testAllocateContainerWithDifferentOwner()
  At TestContainerStateManagerIntegration.java:[line 138]

M D NP: Possible null pointer dereference in 
org.apache.hadoop.ozone.om.TestKeyManagerImpl.verifyFileStatus(String, List, 
Set, Set, boolean) due to return value of called method  Dereferenced at 
TestKeyManagerImpl.java:[line 1669]
M B RR: org.apache.hadoop.ozone.om.TestListKeys.createKey(OzoneBucket, String, 
int, byte[]) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
TestListKeys.java:[line 395]
M B RR: org.apache.hadoop.ozone.om.TestListKeysWithFSO.createKey(OzoneBucket, 
String, int, byte[]) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
TestListKeysWithFSO.java:[line 667]
M B RV: Exceptional return value of java.io.File.mkdirs() ignored in 
org.apache.hadoop.ozone.om.TestOMDbCheckpointServlet.prepSnapshotData()  At 
TestOMDbCheckpointServlet.java:[line 693]
M D NP: Possible null pointer dereference in 
org.apache.hadoop.ozone.om.TestOMRatisSnapshots.checkSnapshot(OzoneManager, 
OzoneManager, String, List, SnapshotInfo) due to return value of called method  
Dereferenced at TestOMRatisSnapshots.java:[line 356]
M D NP: Possible null pointer dereference in 
org.apache.hadoop.ozone.om.TestOMRatisSnapshots.testInstallCorruptedCheckpointFailure()
 due to return value of called method  Dereferenced at 
TestOMRatisSnapshots.java:[line 1015]
M D NP: Possible null pointer dereference in 
org.apache.hadoop.ozone.om.TestOMRatisSnapshots.unTarLatestTarBall(OzoneManager,
 Path) due to return value of called method  Method invoked at 
TestOMRatisSnapshots.java:[line 1118]
M B RR: org.apache.hadoop.ozone.om.TestOMRatisSnapshots.readKeys(List) ignores 
result of org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, 
int)  At TestOMRatisSnapshots.java:[line 1100]
M B RV: Exceptional return value of java.io.File.delete() ignored in 
org.apache.hadoop.ozone.om.TestOMRatisSnapshots.testInstallCorruptedCheckpointFailure()
  At TestOMRatisSnapshots.java:[line 1019]
M B RR: 
org.apache.hadoop.ozone.om.TestObjectStoreWithFSO.createKey(OzoneBucket, 
String, int, byte[]) ignores result of 
org.apache.hadoop.fs.FSDataInputStream.read(byte[], int, int)  At 
TestObjectStoreWithFSO.java:[line 601]
M B RR: 
org.apache.hadoop.ozone.om.TestObjectStoreWithFSO.createKey(OzoneBucket, 
String, int, byte[]) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
TestObjectStoreWithFSO.java:[line 588]


M D RV: Return value of OMMetadataManager.getBucketTable() ignored, but method 
has no side effect  At TestOmMetrics.java:[line 665]
M D RV: Return value of OMMetadataManager.getVolumeTable() ignored, but method 
has no side effect  At TestOmMetrics.java:[line 667]
M B RR: org.apache.hadoop.ozone.om.TestOzoneManagerHA.createKeyTest(boolean) 
ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
TestOzoneManagerHA.java:[line 433]
M B RR: 
org.apache.hadoop.ozone.om.TestOzoneManagerHA.testCreateFile(OzoneBucket, 
String, String, boolean, boolean) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
TestOzoneManagerHA.java:[line 381]
M D DLS: Dead store to followerOM2 in 
org.apache.hadoop.ozone.om.TestOzoneManagerHAWithStoppedNodes.testOMRestart()  
At TestOzoneManagerHAWithStoppedNodes.java:[line 278]
M B RR: 
org.apache.hadoop.ozone.om.TestOzoneManagerHAWithStoppedNodes.createMultipartKeyAndReadKey(OzoneBucket,
 String, String) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
TestOzoneManagerHAWithStoppedNodes.java:[line 223]


M B RR: 
org.apache.hadoop.ozone.om.snapshot.TestOmSnapshot.checkDayWeekMonthSnapshotData(OzoneBucket,
 int, int, int, int, int, int) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
TestOmSnapshot.java:[line 2341]
M B RR: 
org.apache.hadoop.ozone.om.snapshot.TestOmSnapshot.validateSnapshotDataIntegrity(String,
 int, int, OzoneBucket) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
TestOmSnapshot.java:[line 2380]
M B RR: 
org.apache.hadoop.ozone.om.snapshot.TestOmSnapshotFileSystem.createKey(OzoneBucket,
 String, int, byte[]) ignores result of 
org.apache.hadoop.fs.FSDataInputStream.read(byte[], int, int)  At 
TestOmSnapshotFileSystem.java:[line 387]
M B RR: 
org.apache.hadoop.ozone.om.snapshot.TestOmSnapshotFileSystem.createKey(OzoneBucket,
 String, int, byte[]) ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
TestOmSnapshotFileSystem.java:[line 374]
M B RR: 
org.apache.hadoop.ozone.om.snapshot.TestSnapshotBackgroundServices.readKeys(List)
 ignores result of 
org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
TestSnapshotBackgroundServices.java:[line 663]
M D RV: Return value of SnapshotDiffManager.isKeyInBucket(String, Map, String) 
ignored, but method has no side effect  At TestSnapshotDiffManager.java:[line 
688]
M B RV: Exceptional return value of java.io.File.createNewFile() ignored in 
org.apache.hadoop.ozone.shell.TestOzoneShellHA.startCluster(OzoneConfiguration) 
 At TestOzoneShellHA.java:[line 187]
M B RV: Exceptional return value of java.io.File.mkdirs() ignored in 
org.apache.hadoop.ozone.shell.TestOzoneShellHA.startCluster(OzoneConfiguration) 
 At TestOzoneShellHA.java:[line 186]
M B RV: Exceptional return value of java.io.File.createNewFile() ignored in 
org.apache.hadoop.ozone.shell.TestOzoneTenantShell.init()  At 
TestOzoneTenantShell.java:[line 140]
M B RV: Exceptional return value of java.io.File.delete() ignored in 
org.apache.hadoop.ozone.shell.TestOzoneTenantShell.init()  At 
TestOzoneTenantShell.java:[line 121]
M B RV: Exceptional return value of java.io.File.mkdirs() ignored in 
org.apache.hadoop.ozone.shell.TestOzoneTenantShell.init()  At 
TestOzoneTenantShell.java:[line 139]
M B RV: Exceptional return value of java.io.File.delete() ignored in 
org.apache.hadoop.ozone.shell.TestOzoneTenantShell.shutdown()  At 
TestOzoneTenantShell.java:[line 166]
M B RV: Exceptional return value of java.io.File.createNewFile() ignored in 
org.apache.hadoop.ozone.shell.TestReplicationConfigPreference.init()  At 
TestReplicationConfigPreference.java:[line 100]
M B RV: Exceptional return value of java.io.File.mkdirs() ignored in 
org.apache.hadoop.ozone.shell.TestReplicationConfigPreference.init()  At 
TestReplicationConfigPreference.java:[line 99]

{code}


> Fix spotbugs warnings in integration tests
> ------------------------------------------
>
>                 Key: HDDS-12347
>                 URL: https://issues.apache.org/jira/browse/HDDS-12347
>             Project: Apache Ozone
>          Issue Type: Sub-task
>          Components: test
>            Reporter: Attila Doroszlai
>            Assignee: Attila Doroszlai
>            Priority: Major
>
> {code}
> M D NP: Possible null pointer dereference in 
> org.apache.hadoop.fs.contract.AbstractContractCopyFromLocalTest.testCopyDirectoryWithDelete()
>  due to return value of called method  Dereferenced at 
> AbstractContractCopyFromLocalTest.java:[line 265]
> M B RV: Exceptional return value of java.io.File.delete() ignored in 
> org.apache.hadoop.fs.contract.AbstractContractCopyFromLocalTest.teardown()  
> At AbstractContractCopyFromLocalTest.java:[line 50]
> M B RV: Exceptional return value of java.io.File.delete() ignored in 
> org.apache.hadoop.fs.contract.AbstractContractCopyFromLocalTest.testCopyMissingFile()
>   At AbstractContractCopyFromLocalTest.java:[line 102]
> M D BC: Unchecked/unconfirmed cast from org.apache.hadoop.fs.FileStatus to 
> org.apache.hadoop.fs.EtagSource in 
> org.apache.hadoop.fs.contract.AbstractContractEtagTest.etagFromStatus(FileStatus)
>   At AbstractContractEtagTest.java:[line 86]
> M B RR: 
> org.apache.hadoop.fs.ozone.TestOzoneFSWithObjectStoreCreate.createKey(OzoneBucket,
>  String, int, byte[]) ignores result of 
> org.apache.hadoop.fs.FSDataInputStream.read(byte[], int, int)  At 
> TestOzoneFSWithObjectStoreCreate.java:[line 439]
> M B RR: 
> org.apache.hadoop.fs.ozone.TestOzoneFSWithObjectStoreCreate.createKey(OzoneBucket,
>  String, int, byte[]) ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
> TestOzoneFSWithObjectStoreCreate.java:[line 430]
> M D NP: Possible null pointer dereference in 
> org.apache.hadoop.hdds.scm.TestSCMInstallSnapshot.testInstallCheckPoint() due 
> to return value of called method  Dereferenced at 
> TestSCMInstallSnapshot.java:[line 129]
> M D NP: Possible null pointer dereference in 
> org.apache.hadoop.hdds.scm.TestSCMInstallSnapshot.testInstallCheckPoint() due 
> to return value of called method  Dereferenced at 
> TestSCMInstallSnapshot.java:[line 130]
> M D NP: Possible null pointer dereference in 
> org.apache.hadoop.hdds.scm.TestSCMInstallSnapshotWithHA.testInstallCorruptedCheckpointFailure()
>  due to return value of called method  Dereferenced at 
> TestSCMInstallSnapshotWithHA.java:[line 243]
> M B RV: Exceptional return value of java.io.File.delete() ignored in 
> org.apache.hadoop.hdds.scm.TestSCMInstallSnapshotWithHA.testInstallCorruptedCheckpointFailure()
>   At TestSCMInstallSnapshotWithHA.java:[line 247]
> M B RV: Exceptional return value of java.io.File.delete() ignored in 
> org.apache.hadoop.hdds.scm.TestStorageContainerManagerHA.testBootStrapSCM()  
> At TestStorageContainerManagerHA.java:[line 277]
> M D DLS: Dead store to container2 in 
> org.apache.hadoop.hdds.scm.container.TestContainerStateManagerIntegration.testAllocateContainerWithDifferentOwner()
>   At TestContainerStateManagerIntegration.java:[line 138]
> M P UrF: Unread field: 
> org.apache.hadoop.hdds.scm.storage.TestCommitWatcher.keyString  At 
> TestCommitWatcher.java:[line 150]
> M D RV: Return value of 
> org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos$ContainerCommandResponseProto.getPutBlock()
>  ignored, but method has no side effect  At 
> TestContainerOperations.java:[line 120]
> M D NP: Possible null pointer dereference in 
> org.apache.hadoop.ozone.TestCpuMetrics.testCpuMetrics() due to return value 
> of called method  Dereferenced at TestCpuMetrics.java:[line 54]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.assertInputStreamContent(String,
>  InputStream) ignores result of java.io.InputStream.read(byte[])  At 
> OzoneRpcClientTests.java:[line 2260]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.doMultipartUpload(OzoneBucket,
>  String, byte, ReplicationConfig, Map, Map) ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> OzoneRpcClientTests.java:[line 4237]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.lambda$testPutKeyRatisThreeNodesParallel$29(OzoneBucket,
>  String, String, Instant, CountDownLatch, AtomicInteger) ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> OzoneRpcClientTests.java:[line 2055]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.lambda$testReadKeyWithCorruptedData$30(OzoneBucket,
>  String) ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> OzoneRpcClientTests.java:[line 2310]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.lambda$testReadKeyWithCorruptedDataWithMutiNodes$32(OzoneBucket,
>  String, byte[]) ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> OzoneRpcClientTests.java:[line 2481]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.readCorruptedKey(String,
>  String, String, boolean) ignores result of java.io.InputStream.read(byte[])  
> At OzoneRpcClientTests.java:[line 2157]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testCommitPartAfterCompleteUpload()
>  ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> OzoneRpcClientTests.java:[line 3660]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testGetKeyAndFileWithNetworkTopology()
>  ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> OzoneRpcClientTests.java:[line 4850]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testKeyReadWriteForGDPR()
>  ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> OzoneRpcClientTests.java:[line 4444]
> M B RR: org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testPutKey() 
> ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> OzoneRpcClientTests.java:[line 1215]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testPutKeyRatisOneNode()
>  ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> OzoneRpcClientTests.java:[line 1978]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testPutKeyRatisThreeNodes()
>  ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> OzoneRpcClientTests.java:[line 2013]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testPutKeyWithReplicationConfig(String,
>  boolean) ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> OzoneRpcClientTests.java:[line 1181]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testReadKeyWithCorruptedDataWithMutiNodes()
>  ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> OzoneRpcClientTests.java:[line 2464]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.OzoneRpcClientTests.testZReadKeyWithUnhealthyContainerReplica()
>  ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> OzoneRpcClientTests.java:[line 2406]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.TestCloseContainerHandlingByClient.testMultiBlockWrites3()
>  ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> TestCloseContainerHandlingByClient.java:[line 331]
> M D NP: Possible null pointer dereference in 
> org.apache.hadoop.ozone.client.rpc.TestContainerStateMachine.testRatisSnapshotRetention()
>  due to return value of called method  Dereferenced at 
> TestContainerStateMachine.java:[line 206]
> M D NP: Possible null pointer dereference in 
> org.apache.hadoop.ozone.client.rpc.TestContainerStateMachine.testRatisSnapshotRetention()
>  due to return value of called method  Dereferenced at 
> TestContainerStateMachine.java:[line 227]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.TestContainerStateMachineFailures.validateData(String,
>  int, String) ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
> TestContainerStateMachineFailures.java:[line 867]
> M C RV: Return value of java.util.concurrent.CountDownLatch.await(long, 
> TimeUnit) ignored in 
> org.apache.hadoop.ozone.client.rpc.TestContainerStateMachineFailures.testWriteStateMachineDataIdempotencyWithClosedContainer()
>   At TestContainerStateMachineFailures.java:[line 732]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.TestHybridPipelineOnDatanode.testHybridPipelineOnDatanode()
>  ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> TestHybridPipelineOnDatanode.java:[line 167]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.TestOzoneClientMultipartUploadWithFSO.testCommitPartAfterCompleteUpload()
>  ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> TestOzoneClientMultipartUploadWithFSO.java:[line 510]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.TestSecureOzoneRpcClient.testPutKeySuccessWithBlockTokenWithBucketLayout(BucketLayout)
>  ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> TestSecureOzoneRpcClient.java:[line 181]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.read.TestChunkInputStream.readDataFromChunk(ChunkInputStream,
>  int) ignores result of 
> org.apache.hadoop.hdds.scm.storage.ChunkInputStream.read(byte[], int, int)  
> At TestChunkInputStream.java:[line 218]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.read.TestChunkInputStream.readDataFromChunk(ChunkInputStream,
>  int, int) ignores result of 
> org.apache.hadoop.hdds.scm.storage.ChunkInputStream.read(byte[], int, int)  
> At TestChunkInputStream.java:[line 211]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.read.TestChunkInputStream.testChunkReadBuffers(TestBucket)
>  ignores result of 
> org.apache.hadoop.hdds.scm.storage.ChunkInputStream.read(byte[])  At 
> TestChunkInputStream.java:[line 79]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.read.TestKeyInputStream.testSeek(TestBucket)
>  ignores result of 
> org.apache.hadoop.ozone.client.io.KeyInputStream.read(byte[], int, int)  At 
> TestKeyInputStream.java:[line 271]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.read.TestKeyInputStream.testSkip(TestBucket)
>  ignores result of 
> org.apache.hadoop.ozone.client.io.KeyInputStream.read(byte[], int, int)  At 
> TestKeyInputStream.java:[line 364]
> M B RR: 
> org.apache.hadoop.ozone.client.rpc.read.TestKeyInputStream.validate(TestBucket,
>  KeyInputStream, byte[], long, int) ignores result of 
> org.apache.hadoop.ozone.client.io.KeyInputStream.read(byte[], int, int)  At 
> TestKeyInputStream.java:[line 115]
> M B RR: 
> org.apache.hadoop.ozone.container.TestContainerReplication.testECContainerReplication()
>  ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> TestContainerReplication.java:[line 334]
> M B RR: 
> org.apache.hadoop.ozone.container.TestContainerReplication.testECContainerReplication()
>  ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
> TestContainerReplication.java:[line 343]
> M B RR: org.apache.hadoop.ozone.container.TestHelper.validateData(String, 
> byte[], ObjectStore, String, String) ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> TestHelper.java:[line 187]
> M B RV: Exceptional return value of java.io.File.createNewFile() ignored in 
> org.apache.hadoop.ozone.container.common.statemachine.commandhandler.TestDeleteContainerHandler.testDeleteNonEmptyContainerBlockTable()
>   At TestDeleteContainerHandler.java:[line 405]
> M B RV: Exceptional return value of java.io.File.createNewFile() ignored in 
> org.apache.hadoop.ozone.container.common.statemachine.commandhandler.TestDeleteContainerHandler.testDeleteNonEmptyContainerOnDirEmptyCheckFalse()
>   At TestDeleteContainerHandler.java:[line 337]
> M B RV: Exceptional return value of java.io.File.createNewFile() ignored in 
> org.apache.hadoop.ozone.container.common.statemachine.commandhandler.TestDeleteContainerHandler.testDeleteNonEmptyContainerOnDirEmptyCheckTrue()
>   At TestDeleteContainerHandler.java:[line 218]
> M B RV: Exceptional return value of java.io.File.setWritable(boolean, 
> boolean) ignored in 
> org.apache.hadoop.ozone.dn.DatanodeTestUtils.injectContainerMetaDirFailure(File[])
>   At DatanodeTestUtils.java:[line 159]
> M B RV: Exceptional return value of java.io.File.setWritable(boolean, 
> boolean) ignored in 
> org.apache.hadoop.ozone.dn.DatanodeTestUtils.restoreContainerMetaDirFromFailure(File[])
>   At DatanodeTestUtils.java:[line 172]
> M D NP: Possible null pointer dereference in 
> org.apache.hadoop.ozone.om.TestKeyManagerImpl.verifyFileStatus(String, List, 
> Set, Set, boolean) due to return value of called method  Dereferenced at 
> TestKeyManagerImpl.java:[line 1669]
> M B RR: org.apache.hadoop.ozone.om.TestListKeys.createKey(OzoneBucket, 
> String, int, byte[]) ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
> TestListKeys.java:[line 395]
> M B RR: org.apache.hadoop.ozone.om.TestListKeysWithFSO.createKey(OzoneBucket, 
> String, int, byte[]) ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
> TestListKeysWithFSO.java:[line 667]
> M B RV: Exceptional return value of java.io.File.mkdirs() ignored in 
> org.apache.hadoop.ozone.om.TestOMDbCheckpointServlet.prepSnapshotData()  At 
> TestOMDbCheckpointServlet.java:[line 693]
> M D NP: Possible null pointer dereference in 
> org.apache.hadoop.ozone.om.TestOMRatisSnapshots.checkSnapshot(OzoneManager, 
> OzoneManager, String, List, SnapshotInfo) due to return value of called 
> method  Dereferenced at TestOMRatisSnapshots.java:[line 356]
> M D NP: Possible null pointer dereference in 
> org.apache.hadoop.ozone.om.TestOMRatisSnapshots.testInstallCorruptedCheckpointFailure()
>  due to return value of called method  Dereferenced at 
> TestOMRatisSnapshots.java:[line 1015]
> M D NP: Possible null pointer dereference in 
> org.apache.hadoop.ozone.om.TestOMRatisSnapshots.unTarLatestTarBall(OzoneManager,
>  Path) due to return value of called method  Method invoked at 
> TestOMRatisSnapshots.java:[line 1118]
> M B RR: org.apache.hadoop.ozone.om.TestOMRatisSnapshots.readKeys(List) 
> ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
> TestOMRatisSnapshots.java:[line 1100]
> M B RV: Exceptional return value of java.io.File.delete() ignored in 
> org.apache.hadoop.ozone.om.TestOMRatisSnapshots.testInstallCorruptedCheckpointFailure()
>   At TestOMRatisSnapshots.java:[line 1019]
> M B RR: 
> org.apache.hadoop.ozone.om.TestObjectStoreWithFSO.createKey(OzoneBucket, 
> String, int, byte[]) ignores result of 
> org.apache.hadoop.fs.FSDataInputStream.read(byte[], int, int)  At 
> TestObjectStoreWithFSO.java:[line 601]
> M B RR: 
> org.apache.hadoop.ozone.om.TestObjectStoreWithFSO.createKey(OzoneBucket, 
> String, int, byte[]) ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
> TestObjectStoreWithFSO.java:[line 588]
> H D ST: Write to static field 
> org.apache.hadoop.ozone.om.TestOmAcls.bucketAclAllow from instance method 
> org.apache.hadoop.ozone.om.TestOmAcls.testCreateBucketPermissionDenied()  At 
> TestOmAcls.java:[line 141]
> H D ST: Write to static field 
> org.apache.hadoop.ozone.om.TestOmAcls.keyAclAllow from instance method 
> org.apache.hadoop.ozone.om.TestOmAcls.testCreateKeyPermissionDenied()  At 
> TestOmAcls.java:[line 170]
> H D ST: Write to static field 
> org.apache.hadoop.ozone.om.TestOmAcls.volumeAclAllow from instance method 
> org.apache.hadoop.ozone.om.TestOmAcls.testCreateVolumePermissionDenied()  At 
> TestOmAcls.java:[line 114]
> M D ST: Write to static field 
> org.apache.hadoop.ozone.om.TestOmAcls.bucketAclAllow from instance method 
> org.apache.hadoop.ozone.om.TestOmAcls.setup()  At TestOmAcls.java:[line 107]
> M D ST: Write to static field 
> org.apache.hadoop.ozone.om.TestOmAcls.keyAclAllow from instance method 
> org.apache.hadoop.ozone.om.TestOmAcls.setup()  At TestOmAcls.java:[line 108]
> M D ST: Write to static field 
> org.apache.hadoop.ozone.om.TestOmAcls.prefixAclAllow from instance method 
> org.apache.hadoop.ozone.om.TestOmAcls.setup()  At TestOmAcls.java:[line 109]
> M D ST: Write to static field 
> org.apache.hadoop.ozone.om.TestOmAcls.volumeAclAllow from instance method 
> org.apache.hadoop.ozone.om.TestOmAcls.setup()  At TestOmAcls.java:[line 106]
> M D ST: Write to static field 
> org.apache.hadoop.ozone.om.TestOmAcls.bucketAclAllow from instance method 
> org.apache.hadoop.ozone.om.TestOmAcls.testReadBucketPermissionDenied()  At 
> TestOmAcls.java:[line 155]
> M D ST: Write to static field 
> org.apache.hadoop.ozone.om.TestOmAcls.keyAclAllow from instance method 
> org.apache.hadoop.ozone.om.TestOmAcls.testReadKeyPermissionDenied()  At 
> TestOmAcls.java:[line 186]
> M D ST: Write to static field 
> org.apache.hadoop.ozone.om.TestOmAcls.volumeAclAllow from instance method 
> org.apache.hadoop.ozone.om.TestOmAcls.testReadVolumePermissionDenied()  At 
> TestOmAcls.java:[line 128]
> M D ST: Write to static field 
> org.apache.hadoop.ozone.om.TestOmAcls.bucketAclAllow from instance method 
> org.apache.hadoop.ozone.om.TestOmAcls.testSetACLPermissionDenied()  At 
> TestOmAcls.java:[line 200]
> M D RV: Return value of OMMetadataManager.getBucketTable() ignored, but 
> method has no side effect  At TestOmMetrics.java:[line 665]
> M D RV: Return value of OMMetadataManager.getVolumeTable() ignored, but 
> method has no side effect  At TestOmMetrics.java:[line 667]
> M B RR: org.apache.hadoop.ozone.om.TestOzoneManagerHA.createKeyTest(boolean) 
> ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> TestOzoneManagerHA.java:[line 433]
> M B RR: 
> org.apache.hadoop.ozone.om.TestOzoneManagerHA.testCreateFile(OzoneBucket, 
> String, String, boolean, boolean) ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> TestOzoneManagerHA.java:[line 381]
> M D DLS: Dead store to followerOM2 in 
> org.apache.hadoop.ozone.om.TestOzoneManagerHAWithStoppedNodes.testOMRestart() 
>  At TestOzoneManagerHAWithStoppedNodes.java:[line 278]
> M B RR: 
> org.apache.hadoop.ozone.om.TestOzoneManagerHAWithStoppedNodes.createMultipartKeyAndReadKey(OzoneBucket,
>  String, String) ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> TestOzoneManagerHAWithStoppedNodes.java:[line 223]
> M B RR: 
> org.apache.hadoop.ozone.om.snapshot.TestOmSnapshot.checkDayWeekMonthSnapshotData(OzoneBucket,
>  int, int, int, int, int, int) ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> TestOmSnapshot.java:[line 2341]
> M B RR: 
> org.apache.hadoop.ozone.om.snapshot.TestOmSnapshot.validateSnapshotDataIntegrity(String,
>  int, int, OzoneBucket) ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[])  At 
> TestOmSnapshot.java:[line 2380]
> M B RR: 
> org.apache.hadoop.ozone.om.snapshot.TestOmSnapshotFileSystem.createKey(OzoneBucket,
>  String, int, byte[]) ignores result of 
> org.apache.hadoop.fs.FSDataInputStream.read(byte[], int, int)  At 
> TestOmSnapshotFileSystem.java:[line 387]
> M B RR: 
> org.apache.hadoop.ozone.om.snapshot.TestOmSnapshotFileSystem.createKey(OzoneBucket,
>  String, int, byte[]) ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
> TestOmSnapshotFileSystem.java:[line 374]
> M B RR: 
> org.apache.hadoop.ozone.om.snapshot.TestSnapshotBackgroundServices.readKeys(List)
>  ignores result of 
> org.apache.hadoop.ozone.client.io.OzoneInputStream.read(byte[], int, int)  At 
> TestSnapshotBackgroundServices.java:[line 663]
> M B RV: Exceptional return value of java.io.File.createNewFile() ignored in 
> org.apache.hadoop.ozone.shell.TestOzoneShellHA.startCluster(OzoneConfiguration)
>   At TestOzoneShellHA.java:[line 187]
> M B RV: Exceptional return value of java.io.File.mkdirs() ignored in 
> org.apache.hadoop.ozone.shell.TestOzoneShellHA.startCluster(OzoneConfiguration)
>   At TestOzoneShellHA.java:[line 186]
> M B RV: Exceptional return value of java.io.File.createNewFile() ignored in 
> org.apache.hadoop.ozone.shell.TestOzoneTenantShell.init()  At 
> TestOzoneTenantShell.java:[line 140]
> M B RV: Exceptional return value of java.io.File.delete() ignored in 
> org.apache.hadoop.ozone.shell.TestOzoneTenantShell.init()  At 
> TestOzoneTenantShell.java:[line 121]
> M B RV: Exceptional return value of java.io.File.mkdirs() ignored in 
> org.apache.hadoop.ozone.shell.TestOzoneTenantShell.init()  At 
> TestOzoneTenantShell.java:[line 139]
> M B RV: Exceptional return value of java.io.File.delete() ignored in 
> org.apache.hadoop.ozone.shell.TestOzoneTenantShell.shutdown()  At 
> TestOzoneTenantShell.java:[line 166]
> M B RV: Exceptional return value of java.io.File.createNewFile() ignored in 
> org.apache.hadoop.ozone.shell.TestReplicationConfigPreference.init()  At 
> TestReplicationConfigPreference.java:[line 100]
> M B RV: Exceptional return value of java.io.File.mkdirs() ignored in 
> org.apache.hadoop.ozone.shell.TestReplicationConfigPreference.init()  At 
> TestReplicationConfigPreference.java:[line 99]
> {code}



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