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Deepak Sharma reopened HBASE-10933: ----------------------------------- > hbck -fixHdfsOrphans is not working properly it throws null pointer exception > ----------------------------------------------------------------------------- > > Key: HBASE-10933 > URL: https://issues.apache.org/jira/browse/HBASE-10933 > Project: HBase > Issue Type: Bug > Components: hbck > Affects Versions: 0.94.16, 0.98.2 > Reporter: Deepak Sharma > Assignee: Kashif > Priority: Critical > Fix For: 2.0.0 > > Attachments: HBASE-10933-0.94-v1.patch, HBASE-10933-0.94-v2.patch, > HBASE-10933-trunk-v1.patch, HBASE-10933-trunk-v2.patch, TestResults-0.94.txt, > TestResults-trunk.txt > > > if we regioninfo file is not existing in hbase region then if we run hbck > repair or hbck -fixHdfsOrphans > then it is not able to resolve this problem it throws null pointer exception > {code} > 2014-04-08 20:11:49,750 INFO [main] util.HBaseFsck > (HBaseFsck.java:adoptHdfsOrphans(470)) - Attempting to handle orphan hdfs > dir: > hdfs://10.18.40.28:54310/hbase/TestHdfsOrphans1/5a3de9ca65e587cb05c9384a3981c950 > java.lang.NullPointerException > at > org.apache.hadoop.hbase.util.HBaseFsck$TableInfo.access$000(HBaseFsck.java:1939) > at > org.apache.hadoop.hbase.util.HBaseFsck.adoptHdfsOrphan(HBaseFsck.java:497) > at > org.apache.hadoop.hbase.util.HBaseFsck.adoptHdfsOrphans(HBaseFsck.java:471) > at > org.apache.hadoop.hbase.util.HBaseFsck.restoreHdfsIntegrity(HBaseFsck.java:591) > at > org.apache.hadoop.hbase.util.HBaseFsck.offlineHdfsIntegrityRepair(HBaseFsck.java:369) > at org.apache.hadoop.hbase.util.HBaseFsck.onlineHbck(HBaseFsck.java:447) > at org.apache.hadoop.hbase.util.HBaseFsck.exec(HBaseFsck.java:3769) > at org.apache.hadoop.hbase.util.HBaseFsck.run(HBaseFsck.java:3587) > at > com.huawei.isap.test.smartump.hadoop.hbase.HbaseHbckRepair.repairToFixHdfsOrphans(HbaseHbckRepair.java:244) > at > com.huawei.isap.test.smartump.hadoop.hbase.HbaseHbckRepair.setUp(HbaseHbckRepair.java:84) > at junit.framework.TestCase.runBare(TestCase.java:132) > at junit.framework.TestResult$1.protect(TestResult.java:110) > at junit.framework.TestResult.runProtected(TestResult.java:128) > at junit.framework.TestResult.run(TestResult.java:113) > at junit.framework.TestCase.run(TestCase.java:124) > at junit.framework.TestSuite.runTest(TestSuite.java:243) > at junit.framework.TestSuite.run(TestSuite.java:238) > at > org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83) > at > org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) > at > org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) > {code} > problem i got it is because since in HbaseFsck class > {code} > private void adoptHdfsOrphan(HbckInfo hi) > {code} > we are intializing tableinfo using SortedMap<String, TableInfo> tablesInfo > object > {code} > TableInfo tableInfo = tablesInfo.get(tableName); > {code} > but in private SortedMap<String, TableInfo> loadHdfsRegionInfos() > {code} > for (HbckInfo hbi: hbckInfos) { > if (hbi.getHdfsHRI() == null) { > // was an orphan > continue; > } > {code} > we have check if a region is orphan then that table will can not be added in > SortedMap<String, TableInfo> tablesInfo > so later while using this we get null pointer exception -- This message was sent by Atlassian JIRA (v6.3.4#6332)