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https://issues.apache.org/jira/browse/HBASE-28354?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17822059#comment-17822059
]
Rajeshbabu Chintaguntla commented on HBASE-28354:
-------------------------------------------------
Just FYI
Faced the same while running the integration tests
{noformat}
[INFO] Running org.apache.hadoop.hbase.test.IntegrationTestReplication
[ERROR] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 129.968
s <<< FAILURE! - in org.apache.hadoop.hbase.test.IntegrationTestReplication
[ERROR]
org.apache.hadoop.hbase.test.IntegrationTestReplication.testContinuousIngest
Time elapsed: 129.968 s <<< ERROR!
java.lang.NullPointerException: serverName is null
at
org.apache.hbase.thirdparty.com.google.common.base.Preconditions.checkNotNull(Preconditions.java:921)
at
org.apache.hadoop.hbase.client.AsyncRpcRetryingCallerFactory$AdminRequestCallerBuilder.build(AsyncRpcRetryingCallerFactory.java:545)
at
org.apache.hadoop.hbase.client.AsyncRpcRetryingCallerFactory$AdminRequestCallerBuilder.call(AsyncRpcRetryingCallerFactory.java:550)
at
org.apache.hadoop.hbase.client.RawAsyncHBaseAdmin.getRegionMetrics(RawAsyncHBaseAdmin.java:3214)
at
org.apache.hadoop.hbase.client.RawAsyncHBaseAdmin.getRegionMetrics(RawAsyncHBaseAdmin.java:3204)
at
org.apache.hadoop.hbase.client.AdminOverAsyncAdmin.getRegionMetrics(AdminOverAsyncAdmin.java:553)
at
org.apache.hadoop.hbase.mapreduce.RegionSizeCalculator.init(RegionSizeCalculator.java:81)
at
org.apache.hadoop.hbase.mapreduce.RegionSizeCalculator.<init>(RegionSizeCalculator.java:61)
at
org.apache.hadoop.hbase.mapreduce.TableInputFormatBase.createRegionSizeCalculator(TableInputFormatBase.java:600)
at
org.apache.hadoop.hbase.mapreduce.TableInputFormatBase.oneInputSplitPerRegion(TableInputFormatBase.java:288)
at
org.apache.hadoop.hbase.mapreduce.TableInputFormatBase.getSplits(TableInputFormatBase.java:250)
at
org.apache.hadoop.hbase.mapreduce.TableInputFormat.getSplits(TableInputFormat.java:242)
at
org.apache.hadoop.mapreduce.JobSubmitter.writeNewSplits(JobSubmitter.java:310)
at
org.apache.hadoop.mapreduce.JobSubmitter.writeSplits(JobSubmitter.java:327)
at
org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:200)
at org.apache.hadoop.mapreduce.Job$11.run(Job.java:1678)
at org.apache.hadoop.mapreduce.Job$11.run(Job.java:1675)
at
java.base/java.security.AccessController.doPrivileged(AccessController.java:712)
at java.base/javax.security.auth.Subject.doAs(Subject.java:439)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1899)
at org.apache.hadoop.mapreduce.Job.submit(Job.java:1675)
at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1696)
at
org.apache.hadoop.hbase.test.IntegrationTestBigLinkedList$Verify.run(IntegrationTestBigLinkedList.java:1377)
at
org.apache.hadoop.hbase.test.IntegrationTestBigLinkedList$Loop.runVerify(IntegrationTestBigLinkedList.java:1546)
at
org.apache.hadoop.hbase.test.IntegrationTestBigLinkedList$Loop.run(IntegrationTestBigLinkedList.java:1583)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:82)
at
org.apache.hadoop.hbase.test.IntegrationTestBigLinkedList.testContinuousIngest(IntegrationTestBigLinkedList.java:1873)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
at
org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
at
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:316)
at
org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:240)
at
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:214)
at
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:155)
at
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:385)
at
org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:162)
at
org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:507)
at
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:495)
{noformat}
> RegionSizeCalculator throws NPE when regions are in transition
> --------------------------------------------------------------
>
> Key: HBASE-28354
> URL: https://issues.apache.org/jira/browse/HBASE-28354
> Project: HBase
> Issue Type: Bug
> Reporter: Bryan Beaudreault
> Assignee: Ahmad Alhour
> Priority: Major
> Labels: pull-request-available
>
> When a region is in transition, it may briefly have a null ServerName in
> meta. The RegionSizeCalculator calls RegionLocator.getAllRegionLocations()
> and does not handle the possibility that a RegionLocation.getServerName()
> could be null. The ServerName is eventually passed into an Admin call, which
> results in an NPE.
> This has come up in other contexts. For example, taking a look at
> getAllRegionLocations() impl, we have checks to ensure that we don't call
> null server names. We need to similarly handle the possibility of nulls in
> RegionSizeCalculator.
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