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Hadoop QA commented on HBASE-18167: ----------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 12s {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:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 26s {color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 57s {color} | {color:green} branch-1 passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 31s {color} | {color:green} branch-1 passed with JDK v1.8.0_131 {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 40s {color} | {color:green} branch-1 passed with JDK v1.7.0_131 {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 46s {color} | {color:green} branch-1 passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 56s {color} | {color:green} branch-1 passed {color} | | {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 0m 14s {color} | {color:red} hbase-client in branch-1 failed. {color} | | {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 0m 12s {color} | {color:red} hbase-client in branch-1 failed. {color} | | {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 0m 17s {color} | {color:red} hbase-server in branch-1 failed. {color} | | {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 0m 18s {color} | {color:red} hbase-server in branch-1 failed. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 21s {color} | {color:green} branch-1 passed with JDK v1.8.0_131 {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 49s {color} | {color:green} branch-1 passed with JDK v1.7.0_131 {color} | | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 12s {color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 59s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 45s {color} | {color:green} the patch passed with JDK v1.8.0_131 {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 15s {color} | {color:green} hbase-client in the patch passed with JDK v1.8.0_131. {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 30s {color} | {color:green} hbase-server-jdk1.8.0_131 with JDK v1.8.0_131 generated 0 new + 5 unchanged - 5 fixed = 5 total (was 10) {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 51s {color} | {color:green} the patch passed with JDK v1.7.0_131 {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 17s {color} | {color:green} hbase-client in the patch passed with JDK v1.7.0_131. {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 34s {color} | {color:green} hbase-server-jdk1.7.0_131 with JDK v1.7.0_131 generated 0 new + 5 unchanged - 5 fixed = 5 total (was 10) {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 49s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 27s {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} hadoopcheck {color} | {color:green} 15m 23s {color} | {color:green} The patch does not cause any errors with Hadoop 2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.1 2.6.2 2.6.3 2.7.1. {color} | | {color:green}+1{color} | {color:green} hbaseprotoc {color} | {color:green} 0m 24s {color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 0m 11s {color} | {color:red} hbase-client in the patch failed. {color} | | {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 0m 15s {color} | {color:red} hbase-server in the patch failed. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 14s {color} | {color:green} hbase-client-jdk1.8.0_131 with JDK v1.8.0_131 generated 0 new + 13 unchanged - 13 fixed = 13 total (was 26) {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 24s {color} | {color:green} hbase-server-jdk1.8.0_131 with JDK v1.8.0_131 generated 0 new + 3 unchanged - 3 fixed = 3 total (was 6) {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 17s {color} | {color:green} hbase-client-jdk1.7.0_131 with JDK v1.7.0_131 generated 0 new + 13 unchanged - 13 fixed = 13 total (was 26) {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 30s {color} | {color:green} hbase-server-jdk1.7.0_131 with JDK v1.7.0_131 generated 0 new + 3 unchanged - 3 fixed = 3 total (was 6) {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 55s {color} | {color:green} hbase-client in the patch passed. {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red} 19m 24s {color} | {color:red} hbase-server in the patch failed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 22s {color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 56m 39s {color} | {color:black} {color} | \\ \\ || Reason || Tests || | Failed junit tests | hadoop.hbase.ipc.TestSimpleRpcScheduler | \\ \\ || Subsystem || Report/Notes || | Docker | Client=1.12.3 Server=1.12.3 Image:yetus/hbase:395d9a0 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12873679/HBASE-18167-branch-1-V2.patch | | JIRA Issue | HBASE-18167 | | Optional Tests | asflicense javac javadoc unit findbugs hadoopcheck hbaseanti checkstyle compile | | uname | Linux c7f36e7fbc56 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12 13:48:03 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/patchprocess/precommit/personality/hbase.sh | | git revision | branch-1 / dead08d | | Default Java | 1.7.0_131 | | Multi-JDK versions | /usr/lib/jvm/java-8-oracle:1.8.0_131 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_131 | | findbugs | https://builds.apache.org/job/PreCommit-HBASE-Build/7249/artifact/patchprocess/branch-findbugs-hbase-client.txt | | findbugs | https://builds.apache.org/job/PreCommit-HBASE-Build/7249/artifact/patchprocess/branch-findbugs-hbase-client.txt | | findbugs | https://builds.apache.org/job/PreCommit-HBASE-Build/7249/artifact/patchprocess/branch-findbugs-hbase-server.txt | | findbugs | https://builds.apache.org/job/PreCommit-HBASE-Build/7249/artifact/patchprocess/branch-findbugs-hbase-server.txt | | findbugs | https://builds.apache.org/job/PreCommit-HBASE-Build/7249/artifact/patchprocess/patch-findbugs-hbase-client.txt | | findbugs | https://builds.apache.org/job/PreCommit-HBASE-Build/7249/artifact/patchprocess/patch-findbugs-hbase-server.txt | | unit | https://builds.apache.org/job/PreCommit-HBASE-Build/7249/artifact/patchprocess/patch-unit-hbase-server.txt | | unit test logs | https://builds.apache.org/job/PreCommit-HBASE-Build/7249/artifact/patchprocess/patch-unit-hbase-server.txt | | Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/7249/testReport/ | | modules | C: hbase-client hbase-server U: . | | Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/7249/console | | Powered by | Apache Yetus 0.3.0 http://yetus.apache.org | This message was automatically generated. > OfflineMetaRepair tool may cause HMaster abort always > ----------------------------------------------------- > > Key: HBASE-18167 > URL: https://issues.apache.org/jira/browse/HBASE-18167 > Project: HBase > Issue Type: Bug > Components: master > Affects Versions: 1.4.0, 1.3.1, 1.3.2 > Reporter: Pankaj Kumar > Assignee: Pankaj Kumar > Priority: Critical > Fix For: 1.4.0 > > Attachments: HBASE-18167-branch-1.patch, HBASE-18167-branch-1-V2.patch > > > In the production environment, we met a weird scenario where some Meta table > HFile blocks were missing due to some reason. > To recover the environment we tried to rebuild the meta using > OfflineMetaRepair tool and restart the cluster, but HMaster couldn't finish > it's initialization. It always timed out as namespace table region was never > assigned. > Steps to reproduce > ================== > 1. Assign meta table region to HMaster (it can be on any RS, just to > reproduce the scenario) > {noformat} > <property> > <name>hbase.balancer.tablesOnMaster</name> > <value>hbase:meta</value> > </property> > {noformat} > 2. Start HMaster and RegionServer > 2. Create two namespace, say "ns1" & "ns2" > 3. Create two tables "ns1:t1' & "ns2:t1' > 4. flush 'hbase:meta" > 5. Stop HMaster (graceful shutdown) > 6. Kill -9 RegionServer (Abnormal shutdown) > 7. Run OfflineMetaRepair as follows, > {noformat} > hbase org.apache.hadoop.hbase.util.hbck.OfflineMetaRepair -fix > {noformat} > 8. Restart HMaster and RegionServer > 9. HMaster will never be able to finish its initialization and abort always > with below message, > {code} > 2017-06-06 15:11:07,582 FATAL [Hostname:16000.activeMasterManager] > master.HMaster: Unhandled exception. Starting shutdown. > java.io.IOException: Timedout 120000ms waiting for namespace table to be > assigned > at > org.apache.hadoop.hbase.master.TableNamespaceManager.start(TableNamespaceManager.java:98) > at > org.apache.hadoop.hbase.master.HMaster.initNamespace(HMaster.java:1054) > at > org.apache.hadoop.hbase.master.HMaster.finishActiveMasterInitialization(HMaster.java:848) > at org.apache.hadoop.hbase.master.HMaster.access$600(HMaster.java:199) > at org.apache.hadoop.hbase.master.HMaster$2.run(HMaster.java:1871) > at java.lang.Thread.run(Thread.java:745) > {code} > Root cause > ========== > 1. During HM start up AM assumes that it's a failover scenario based on the > existing old WAL files, so SSH/SCP will split WAL files and assign the > holding regions. > 2. During SSH/SCP it retrieves the server holding regions from meta/AM's > in-memory-state, but meta only had "regioninfo" entry (as already rebuild by > OfflineMetaRepair). So empty region will be returned and it wont trigger any > assignment. > 3. HMaster which is waiting for namespace table to be assigned will timeout > and abort always. -- This message was sent by Atlassian JIRA (v6.4.14#64029)