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Íñigo Goiri commented on HDFS-14075: ------------------------------------ Should we keep testing the old behavior in TestNNWithQJM? What's the behavior if we keep: {code} cluster = new MiniDFSCluster.Builder(conf) .numDataNodes(0) .manageNameDfsDirs(false) .format(false) .build(); {code} ? > NPE while Edit Logging > ---------------------- > > Key: HDFS-14075 > URL: https://issues.apache.org/jira/browse/HDFS-14075 > Project: Hadoop HDFS > Issue Type: Bug > Reporter: Ayush Saxena > Assignee: Ayush Saxena > Priority: Critical > Attachments: HDFS-14075-01.patch, HDFS-14075-02.patch, > HDFS-14075-03.patch, HDFS-14075-04.patch, HDFS-14075-04.patch, > HDFS-14075-04.patch, HDFS-14075-05.patch > > > {noformat} > 2018-11-10 18:59:38,427 FATAL > org.apache.hadoop.hdfs.server.namenode.FSEditLog: Exception while edit > logging: null > java.lang.NullPointerException > at > org.apache.hadoop.hdfs.server.namenode.FSEditLog.doEditTransaction(FSEditLog.java:481) > at > org.apache.hadoop.hdfs.server.namenode.FSEditLogAsync$Edit.logEdit(FSEditLogAsync.java:288) > at > org.apache.hadoop.hdfs.server.namenode.FSEditLogAsync.run(FSEditLogAsync.java:232) > at java.lang.Thread.run(Thread.java:745) > 2018-11-10 18:59:38,532 INFO org.apache.hadoop.util.ExitUtil: Exiting with > status 1: Exception while edit logging: null > 2018-11-10 18:59:38,552 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: > SHUTDOWN_MSG: > {noformat} > Before NPE Received the following Exception > {noformat} > INFO org.apache.hadoop.ipc.Server: IPC Server handler 9 on 65110, call > Call#23241 Retry#0 > org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol.rollEditLog from > XXXXXXXX > java.io.IOException: Unable to start log segment 7964819: too few journals > successfully started. > at > org.apache.hadoop.hdfs.server.namenode.FSEditLog.startLogSegment(FSEditLog.java:1385) > at > org.apache.hadoop.hdfs.server.namenode.FSEditLog.startLogSegmentAndWriteHeaderTxn(FSEditLog.java:1395) > at > org.apache.hadoop.hdfs.server.namenode.FSEditLog.rollEditLog(FSEditLog.java:1319) > at > org.apache.hadoop.hdfs.server.namenode.FSImage.rollEditLog(FSImage.java:1352) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.rollEditLog(FSNamesystem.java:4669) > at > org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.rollEditLog(NameNodeRpcServer.java:1293) > at > org.apache.hadoop.hdfs.protocolPB.NamenodeProtocolServerSideTranslatorPB.rollEditLog(NamenodeProtocolServerSideTranslatorPB.java:146) > at > org.apache.hadoop.hdfs.protocol.proto.NamenodeProtocolProtos$NamenodeProtocolService$2.callBlockingMethod(NamenodeProtocolProtos.java:12974) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:524) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:991) > at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:878) > at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:824) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:422) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1729) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2684) > Caused by: java.io.IOException: starting log segment 7964819 failed for too > many journals > at > org.apache.hadoop.hdfs.server.namenode.JournalSet.mapJournalsAndReportErrors(JournalSet.java:412) > at > org.apache.hadoop.hdfs.server.namenode.JournalSet.startLogSegment(JournalSet.java:207) > at > org.apache.hadoop.hdfs.server.namenode.FSEditLog.startLogSegment(FSEditLog.java:1383) > ... 15 more > {noformat} -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org