[ https://issues.apache.org/jira/browse/HBASE-15379?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Amal Joshy updated HBASE-15379: ------------------------------- Attachment: HBASE-15379.patch Simple patch for EmptyCell implementing SettableSequenceId. > Fake cells created in read path not implementing SettableSequenceId > ------------------------------------------------------------------- > > Key: HBASE-15379 > URL: https://issues.apache.org/jira/browse/HBASE-15379 > Project: HBase > Issue Type: Bug > Affects Versions: 2.0.0 > Reporter: Anoop Sam John > Fix For: 2.0.0 > > Attachments: HBASE-15379.patch > > > This issue found by [~appy]. In HBASE-14099 he says, > I was doing some testing when I hit a weird issue, seems related to this, so > re-opening it (apologies in advance if it's not). Here's the stack trace > {noformat} > java.io.IOException: java.lang.UnsupportedOperationException: Cell is not of > type org.apache.hadoop.hbase.SettableSequenceId > at org.apache.hadoop.hbase.CellUtil.setSequenceId(CellUtil.java:923) > at > org.apache.hadoop.hbase.regionserver.StoreFileScanner.setCurrentCell(StoreFileScanner.java:231) > at > org.apache.hadoop.hbase.regionserver.StoreFileScanner.requestSeek(StoreFileScanner.java:389) > at > org.apache.hadoop.hbase.regionserver.StoreScanner.seekScanners(StoreScanner.java:348) > at > org.apache.hadoop.hbase.regionserver.StoreScanner.<init>(StoreScanner.java:212) > at > org.apache.hadoop.hbase.regionserver.HStore.createScanner(HStore.java:1873) > at > org.apache.hadoop.hbase.regionserver.HStore.getScanner(HStore.java:1863) > at > org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.<init>(HRegion.java:5487) > at > org.apache.hadoop.hbase.regionserver.HRegion.instantiateRegionScanner(HRegion.java:2577) > at > org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2563) > at > org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2544) > at > org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2534) > at org.apache.hadoop.hbase.regionserver.HRegion.get(HRegion.java:6659) > at org.apache.hadoop.hbase.regionserver.HRegion.get(HRegion.java:6624) > at > org.apache.hadoop.hbase.regionserver.TestWithSingleHRegion.test(TestWithSingleHRegion.java:48) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > at > org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) > at > org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) > at > org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) > at > org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) > at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) > at > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) > at > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) > at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) > at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) > at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) > at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) > at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) > at org.junit.runners.ParentRunner.run(ParentRunner.java:363) > at org.junit.runner.JUnitCore.run(JUnitCore.java:137) > at > com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:117) > at > com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:234) > at > com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:74) > {noformat} > I think it's because of using changing from KeyValue to a different sub-class > of {{Cell}}l which doesn't implement {{SettableSequenceId}} > {noformat} > - this.startKey = > KeyValueUtil.createFirstDeleteFamilyOnRow(scan.getStartRow(), > + this.startKey = > CellUtil.createFirstDeleteFamilyCellOnRow(scan.getStartRow(), > {noformat} > To replicate it, download the attached hfiles somewhere, copy the > TestWithSingleHRegion class to regionserver tests, change the ROOT_DIR > appropriately and run it. -- This message was sent by Atlassian JIRA (v6.3.4#6332)