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Posted to issues@hbase.apache.org by "Hadoop QA (JIRA)" <ji...@apache.org> on 2019/01/31 22:41:00 UTC
[jira] [Commented] (HBASE-14498) Master stuck in infinite loop when
all Zookeeper servers are unreachable
[ https://issues.apache.org/jira/browse/HBASE-14498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16757774#comment-16757774 ]
Hadoop QA commented on HBASE-14498:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 12s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green} 0m 0s{color} | {color:green} Patch does not have any anti-patterns. {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:brown} master Compile Tests {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} 4m 54s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 26s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 27s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green} 4m 38s{color} | {color:green} branch has no errors when building our shaded downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 59s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 56s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 15s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 4m 44s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 27s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 2m 27s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 1m 17s{color} | {color:red} hbase-server: The patch generated 1 new + 72 unchanged - 0 fixed = 73 total (was 72) {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} shadedjars {color} | {color:green} 4m 45s{color} | {color:green} patch has no errors when building our shaded downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 9m 56s{color} | {color:green} Patch does not cause any errors with Hadoop 2.7.4 or 3.0.0. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 57s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 43s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 43s{color} | {color:green} hbase-zookeeper in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}131m 50s{color} | {color:green} hbase-server in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 44s{color} | {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}179m 21s{color} | {color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:b002b0b |
| JIRA Issue | HBASE-14498 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12957159/HBASE-14498.007.patch |
| Optional Tests | dupname asflicense javac javadoc unit findbugs shadedjars hadoopcheck hbaseanti checkstyle compile |
| uname | Linux 8c330903ec05 4.4.0-138-generic #164~14.04.1-Ubuntu SMP Fri Oct 5 08:56:16 UTC 2018 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build@2/component/dev-support/hbase-personality.sh |
| git revision | master / c5f4e84106 |
| maven | version: Apache Maven 3.5.4 (1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T18:33:14Z) |
| Default Java | 1.8.0_181 |
| findbugs | v3.1.0-RC3 |
| checkstyle | https://builds.apache.org/job/PreCommit-HBASE-Build/15820/artifact/patchprocess/diff-checkstyle-hbase-server.txt |
| Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/15820/testReport/ |
| Max. process+thread count | 5426 (vs. ulimit of 10000) |
| modules | C: hbase-zookeeper hbase-server U: . |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/15820/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> Master stuck in infinite loop when all Zookeeper servers are unreachable
> ------------------------------------------------------------------------
>
> Key: HBASE-14498
> URL: https://issues.apache.org/jira/browse/HBASE-14498
> Project: HBase
> Issue Type: Bug
> Components: master
> Affects Versions: 1.5.0, 2.0.0
> Reporter: Y. SREENIVASULU REDDY
> Assignee: Pankaj Kumar
> Priority: Critical
> Fix For: 3.0.0
>
> Attachments: HBASE-14498-V2.patch, HBASE-14498-V3.patch, HBASE-14498-V4.patch, HBASE-14498-V5.patch, HBASE-14498-V6.patch, HBASE-14498-V6.patch, HBASE-14498-addendum.patch, HBASE-14498-branch-1.2.patch, HBASE-14498-branch-1.3-V2.patch, HBASE-14498-branch-1.3.patch, HBASE-14498-branch-1.4.patch, HBASE-14498-branch-1.patch, HBASE-14498.007.patch, HBASE-14498.master.001.patch, HBASE-14498.master.002.patch, HBASE-14498.patch
>
>
> We met a weird scenario in our production environment.
> In a HA cluster,
> > Active Master (HM1) is not able to connect to any Zookeeper server (due to N/w breakdown on master machine network with Zookeeper servers).
> {code}
> 2015-09-26 15:24:47,508 INFO [HM1-Host:16000.activeMasterManager-SendThread(ZK-Host:2181)] zookeeper.ClientCnxn: Client session timed out, have not heard from server in 33463ms for sessionid 0x104576b8dda0002, closing socket connection and attempting reconnect
> 2015-09-26 15:24:47,877 INFO [HM1-Host:16000.activeMasterManager-SendThread(ZK-Host1:2181)] client.FourLetterWordMain: connecting to ZK-Host1 2181
> 2015-09-26 15:24:48,236 INFO [main-SendThread(ZK-Host1:2181)] client.FourLetterWordMain: connecting to ZK-Host1 2181
> 2015-09-26 15:24:49,879 WARN [HM1-Host:16000.activeMasterManager-SendThread(ZK-Host1:2181)] zookeeper.ClientCnxn: Can not get the principle name from server ZK-Host1
> 2015-09-26 15:24:49,879 INFO [HM1-Host:16000.activeMasterManager-SendThread(ZK-Host1:2181)] zookeeper.ClientCnxn: Opening socket connection to server ZK-Host1/ZK-IP1:2181. Will not attempt to authenticate using SASL (unknown error)
> 2015-09-26 15:24:50,238 WARN [main-SendThread(ZK-Host1:2181)] zookeeper.ClientCnxn: Can not get the principle name from server ZK-Host1
> 2015-09-26 15:24:50,238 INFO [main-SendThread(ZK-Host1:2181)] zookeeper.ClientCnxn: Opening socket connection to server ZK-Host1/ZK-Host1:2181. Will not attempt to authenticate using SASL (unknown error)
> 2015-09-26 15:25:17,470 INFO [main-SendThread(ZK-Host1:2181)] zookeeper.ClientCnxn: Client session timed out, have not heard from server in 30023ms for sessionid 0x2045762cc710006, closing socket connection and attempting reconnect
> 2015-09-26 15:25:17,571 WARN [master/HM1-Host/HM1-IP:16000] zookeeper.RecoverableZooKeeper: Possibly transient ZooKeeper, quorum=ZK-Host:2181,ZK-Host1:2181,ZK-Host2:2181, exception=org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase/master
> 2015-09-26 15:25:17,872 INFO [main-SendThread(ZK-Host:2181)] client.FourLetterWordMain: connecting to ZK-Host 2181
> 2015-09-26 15:25:19,874 WARN [main-SendThread(ZK-Host:2181)] zookeeper.ClientCnxn: Can not get the principle name from server ZK-Host
> 2015-09-26 15:25:19,874 INFO [main-SendThread(ZK-Host:2181)] zookeeper.ClientCnxn: Opening socket connection to server ZK-Host/ZK-IP:2181. Will not attempt to authenticate using SASL (unknown error)
> {code}
> > Since HM1 was not able to connect to any ZK, so session timeout didnt happen at Zookeeper server side and HM1 didnt abort.
> > On Zookeeper session timeout standby master (HM2) registered himself as an active master.
> > HM2 is keep on waiting for region server to report him as part of active master intialization.
> {noformat}
> 2015-09-26 15:24:44,928 | INFO | HM2-Host:21300.activeMasterManager | Waiting for region servers count to settle; currently checked in 0, slept for 0 ms, expecting minimum of 1, maximum of 2147483647, timeout of 4500 ms, interval of 1500 ms. | org.apache.hadoop.hbase.master.ServerManager.waitForRegionServers(ServerManager.java:1011)
> ---
> ---
> 2015-09-26 15:32:50,841 | INFO | HM2-Host:21300.activeMasterManager | Waiting for region servers count to settle; currently checked in 0, slept for 483913 ms, expecting minimum of 1, maximum of 2147483647, timeout of 4500 ms, interval of 1500 ms. | org.apache.hadoop.hbase.master.ServerManager.waitForRegionServers(ServerManager.java:1011)
> {noformat}
> > At other end, region servers are reporting to HM1 on 3 sec interval. Here region server retrieve master location from zookeeper only when they couldn't connect to Master (ServiceException).
> Region Server will not report HM2 as per current design until unless HM1 abort,so HM2 will exit(InitializationMonitor) and again wait for region servers in loop.
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