[ https://issues.apache.org/jira/browse/MAPREDUCE-6654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15997543#comment-15997543 ]
Hadoop QA commented on MAPREDUCE-6654: -------------------------------------- | (/) *{color:green}+1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 25s {color} | {color:blue} Docker mode activated. {color} | | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s {color} | {color:green} The patch does not contain any @author tags. {color} | | {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 0s {color} | {color:green} The patch appears to include 1 new or modified test files. {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 14m 0s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 24s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 16s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 27s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 18s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 37s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 16s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 23s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 22s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 22s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 14s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 24s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 16s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s {color} | {color:green} The patch has no whitespace issues. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 43s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 13s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 9m 4s {color} | {color:green} hadoop-mapreduce-client-app in the patch passed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 18s {color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 29m 19s {color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Docker | Image:yetus/hadoop:14b5c93 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12821326/MAPREDUCE-6654-v2.1.patch | | JIRA Issue | MAPREDUCE-6654 | | Optional Tests | asflicense compile javac javadoc mvninstall mvnsite unit findbugs checkstyle | | uname | Linux 1dfb5798daf9 3.13.0-116-generic #163-Ubuntu SMP Fri Mar 31 14:13:22 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh | | git revision | trunk / 61858a5 | | Default Java | 1.8.0_131 | | findbugs | v3.1.0-RC1 | | Test Results | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6974/testReport/ | | modules | C: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app U: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app | | Console output | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6974/console | | Powered by | Apache Yetus 0.3.0 http://yetus.apache.org | This message was automatically generated. > Possible NPE in JobHistoryEventHandler#handleEvent > -------------------------------------------------- > > Key: MAPREDUCE-6654 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-6654 > Project: Hadoop Map/Reduce > Issue Type: Bug > Reporter: Xiao Chen > Assignee: Junping Du > Priority: Critical > Attachments: MAPREDUCE-6654.patch, MAPREDUCE-6654-v2.1.patch, > MAPREDUCE-6654-v2.patch > > > I have seen NPE thrown from {{JobHistoryEventHandler#handleEvent}}: > {noformat} > 2016-03-14 16:42:15,231 INFO [Thread-69] > org.apache.hadoop.service.AbstractService: Service JobHistoryEventHandler > failed in state STOPPED; cause: java.lang.NullPointerException > java.lang.NullPointerException > at > org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler.handleEvent(JobHistoryEventHandler.java:570) > at > org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler.serviceStop(JobHistoryEventHandler.java:382) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.service.ServiceOperations.stop(ServiceOperations.java:52) > at > org.apache.hadoop.service.ServiceOperations.stopQuietly(ServiceOperations.java:80) > at > org.apache.hadoop.service.CompositeService.stop(CompositeService.java:157) > at > org.apache.hadoop.service.CompositeService.serviceStop(CompositeService.java:131) > at > org.apache.hadoop.mapreduce.v2.app.MRAppMaster.serviceStop(MRAppMaster.java:1651) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.mapreduce.v2.app.MRAppMaster.stop(MRAppMaster.java:1147) > at > org.apache.hadoop.mapreduce.v2.app.MRAppMaster.shutDownJob(MRAppMaster.java:573) > at > org.apache.hadoop.mapreduce.v2.app.MRAppMaster$JobFinishEventHandler$1.run(MRAppMaster.java:620) > {noformat} > In the version this exception is thrown, the > [line|https://github.com/apache/hadoop/blob/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/jobhistory/JobHistoryEventHandler.java#L586] > is: > {code:java}mi.writeEvent(historyEvent);{code} > IMHO, this may be caused by an exception in a previous step. Specifically, in > the kerberized environment, when creating event writer which calls to decrypt > EEK, the connection to KMS failed. Exception below: > {noformat} > 2016-03-14 16:41:57,559 ERROR [eventHandlingThread] > org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler: Error > JobHistoryEventHandler in handleEvent: EventType: AM_STARTED > java.net.SocketTimeoutException: Read timed out > at java.net.SocketInputStream.socketRead0(Native Method) > at java.net.SocketInputStream.read(SocketInputStream.java:152) > at java.net.SocketInputStream.read(SocketInputStream.java:122) > at java.io.BufferedInputStream.fill(BufferedInputStream.java:235) > at java.io.BufferedInputStream.read1(BufferedInputStream.java:275) > at java.io.BufferedInputStream.read(BufferedInputStream.java:334) > at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:687) > at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:633) > at > sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1323) > at > java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:468) > at > org.apache.hadoop.crypto.key.kms.KMSClientProvider.call(KMSClientProvider.java:520) > at > org.apache.hadoop.crypto.key.kms.KMSClientProvider.call(KMSClientProvider.java:505) > at > org.apache.hadoop.crypto.key.kms.KMSClientProvider.decryptEncryptedKey(KMSClientProvider.java:779) > at > org.apache.hadoop.crypto.key.kms.LoadBalancingKMSClientProvider$3.call(LoadBalancingKMSClientProvider.java:185) > at > org.apache.hadoop.crypto.key.kms.LoadBalancingKMSClientProvider$3.call(LoadBalancingKMSClientProvider.java:181) > at > org.apache.hadoop.crypto.key.kms.LoadBalancingKMSClientProvider.doOp(LoadBalancingKMSClientProvider.java:94) > at > org.apache.hadoop.crypto.key.kms.LoadBalancingKMSClientProvider.decryptEncryptedKey(LoadBalancingKMSClientProvider.java:181) > at > org.apache.hadoop.crypto.key.KeyProviderCryptoExtension.decryptEncryptedKey(KeyProviderCryptoExtension.java:388) > at > org.apache.hadoop.hdfs.DFSClient.decryptEncryptedDataEncryptionKey(DFSClient.java:1420) > at > org.apache.hadoop.hdfs.DFSClient.createWrappedOutputStream(DFSClient.java:1522) > at > org.apache.hadoop.hdfs.DFSClient.createWrappedOutputStream(DFSClient.java:1507) > at > org.apache.hadoop.hdfs.DistributedFileSystem$6.doCall(DistributedFileSystem.java:407) > at > org.apache.hadoop.hdfs.DistributedFileSystem$6.doCall(DistributedFileSystem.java:400) > at > org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) > at > org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:400) > at > org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:343) > at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:917) > at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:898) > at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:795) > at > org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler.createEventWriter(JobHistoryEventHandler.java:428) > at > org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler.setupEventWriter(JobHistoryEventHandler.java:468) > at > org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler.handleEvent(JobHistoryEventHandler.java:553) > at > org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler$1.run(JobHistoryEventHandler.java:326) > at java.lang.Thread.run(Thread.java:745) > {noformat} > We should better handle this scenario and not throw an NPE. -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: mapreduce-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: mapreduce-issues-h...@hadoop.apache.org