[jira] [Commented] (YARN-5379) TestHBaseTimelineStorage. testWriteApplicationToHBase() fails intermittently

2016-07-14 Thread Hudson (JIRA) 

[ 
https://issues.apache.org/jira/browse/YARN-5379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15378529#comment-15378529
 ] 

Hudson commented on YARN-5379:
--

SUCCESS: Integrated in Hadoop-trunk-Commit #10102 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/10102/])
YARN-5379. TestHBaseTimelineStorage. testWriteApplicationToHBase() fails 
(sjlee: rev e549a9af3177f6ee83477cde8bd7d0ed72d6ecec)
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/TestHBaseTimelineStorage.java


> TestHBaseTimelineStorage. testWriteApplicationToHBase() fails intermittently
> 
>
> Key: YARN-5379
> URL: https://issues.apache.org/jira/browse/YARN-5379
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: test, timelineserver
>Affects Versions: 3.0.0-alpha1
>Reporter: Sangjin Lee
>Assignee: Vrushali C
>Priority: Minor
> Fix For: 3.0.0-alpha1
>
> Attachments: YARN-5379-YARN-5355.01.patch, YARN-5379.01.patch
>
>
> The {{TestHBaseTimelineStorage. testWriteApplicationToHBase()}} test seems to 
> fail intermittently:
> {noformat}
> java.lang.AssertionError: null
>   at org.junit.Assert.fail(Assert.java:86)
>   at org.junit.Assert.assertTrue(Assert.java:41)
>   at org.junit.Assert.assertTrue(Assert.java:52)
>   at 
> org.apache.hadoop.yarn.server.timelineservice.storage.TestHBaseTimelineStorage.testWriteApplicationToHBase(TestHBaseTimelineStorage.java:817)
> {noformat}
> The stdout output:
> {noformat}
> 2016-07-13 00:15:48,883 INFO  [main] zookeeper.RecoverableZooKeeper 
> (RecoverableZooKeeper.java:(120)) - Process 
> identifier=hconnection-0x2b7962a2 connecting to ZooKeeper 
> ensemble=localhost:53474
> 2016-07-13 00:15:48,883 INFO  [main] zookeeper.ZooKeeper 
> (ZooKeeper.java:(438)) - Initiating client connection, 
> connectString=localhost:53474 sessionTimeout=9 
> watcher=hconnection-0x2b7962a20x0, quorum=localhost:53474, baseZNode=/hbase
> 2016-07-13 00:15:48,886 INFO  [main-SendThread(localhost:53474)] 
> zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(975)) - Opening socket 
> connection to server localhost/127.0.0.1:53474. Will not attempt to 
> authenticate using SASL (unknown error)
> 2016-07-13 00:15:48,887 INFO  [main-SendThread(localhost:53474)] 
> zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(852)) - Socket 
> connection established to localhost/127.0.0.1:53474, initiating session
> 2016-07-13 00:15:48,887 INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:53474] 
> server.NIOServerCnxnFactory (NIOServerCnxnFactory.java:run(197)) - Accepted 
> socket connection from /127.0.0.1:38097
> 2016-07-13 00:15:48,887 INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:53474] 
> server.ZooKeeperServer (ZooKeeperServer.java:processConnectRequest(868)) - 
> Client attempting to establish new session at /127.0.0.1:38097
> 2016-07-13 00:15:48,896 INFO  [SyncThread:0] server.ZooKeeperServer 
> (ZooKeeperServer.java:finishSessionInit(617)) - Established session 
> 0x155e19baa520025 with negotiated timeout 4 for client /127.0.0.1:38097
> 2016-07-13 00:15:48,896 INFO  [main-SendThread(localhost:53474)] 
> zookeeper.ClientCnxn (ClientCnxn.java:onConnected(1235)) - Session 
> establishment complete on server localhost/127.0.0.1:53474, sessionid = 
> 0x155e19baa520025, negotiated timeout = 4
> 2016-07-13 00:15:48,911 INFO  [main] zookeeper.RecoverableZooKeeper 
> (RecoverableZooKeeper.java:(120)) - Process 
> identifier=hconnection-0x32130e61 connecting to ZooKeeper 
> ensemble=localhost:53474
> 2016-07-13 00:15:48,912 INFO  [main] zookeeper.ZooKeeper 
> (ZooKeeper.java:(438)) - Initiating client connection, 
> connectString=localhost:53474 sessionTimeout=9 
> watcher=hconnection-0x32130e610x0, quorum=localhost:53474, baseZNode=/hbase
> 2016-07-13 00:15:48,917 INFO  [main-SendThread(localhost:53474)] 
> zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(975)) - Opening socket 
> connection to server localhost/127.0.0.1:53474. Will not attempt to 
> authenticate using SASL (unknown error)
> 2016-07-13 00:15:48,918 INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:53474] 
> server.NIOServerCnxnFactory (NIOServerCnxnFactory.java:run(197)) - Accepted 
> socket connection from /127.0.0.1:38098
> 2016-07-13 00:15:48,921 INFO  [main-SendThread(localhost:53474)] 
> zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(852)) - Socket 
> connection established to localhost/127.0.0.1:53474, initiating session
> 2016-07-13 00:15:48,921 INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:53474] 
> server.ZooKeeperServer (ZooKeeperServer.java:processConnectRequest(868)) - 
> Client attempting to establish new session at /127.0.0.1:38098
> 2016-07-13

[jira] [Commented] (YARN-5379) TestHBaseTimelineStorage. testWriteApplicationToHBase() fails intermittently

2016-07-14 Thread Hadoop QA (JIRA) 

[ 
https://issues.apache.org/jira/browse/YARN-5379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15378415#comment-15378415
 ] 

Hadoop QA commented on YARN-5379:
-

| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
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{color} | {color:blue} Docker mode activated. {color} |
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{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} |
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12s {color} | {color:green} the patch passed {color} |
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0s {color} | {color:green} The patch has no whitespace issues. {color} |
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41s {color} | {color:green} the patch passed {color} |
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{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 5m 47s 
{color} | {color:green} hadoop-yarn-server-timelineservice-hbase-tests 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} 19m 41s {color} 
| {color:black} {color} |
\\
\\
|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:9560f25 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12818024/YARN-5379.01.patch |
| JIRA Issue | YARN-5379 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux ecde1d0a6815 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed 
Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 6cf0175 |
| Default Java | 1.8.0_91 |
| findbugs | v3.0.0 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/12332/testReport/ |
| modules | C: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests
 U: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests
 |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/12332/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> TestHBaseTimelineStorage. testWriteApplicationToHBase() fails intermittently
> 
>
> Key: YARN-5379
> URL: https://issues.apache.org/jira/browse/YARN-5379
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: test, timelineserver
>Affects Versions: 3.0.0-alpha1
>Reporter: Sangjin Lee
>Assignee: Vrushali C
>

[jira] [Commented] (YARN-5379) TestHBaseTimelineStorage. testWriteApplicationToHBase() fails intermittently

2016-07-14 Thread Hadoop QA (JIRA) 

[ 
https://issues.apache.org/jira/browse/YARN-5379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15378107#comment-15378107
 ] 

Hadoop QA commented on YARN-5379:
-

| (/) *{color:green}+1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 20s 
{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} 13m 
58s {color} | {color:green} YARN-5355 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 18s 
{color} | {color:green} YARN-5355 passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
16s {color} | {color:green} YARN-5355 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 26s 
{color} | {color:green} YARN-5355 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
21s {color} | {color:green} YARN-5355 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 
37s {color} | {color:green} YARN-5355 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 11s 
{color} | {color:green} YARN-5355 passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
17s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 15s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 15s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
11s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 22s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
14s {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 
37s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 8s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 4m 2s 
{color} | {color:green} hadoop-yarn-server-timelineservice-hbase-tests in the 
patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
16s {color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
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| {color:black} {color} |
\\
\\
|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:9560f25 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12817979/YARN-5379-YARN-5355.01.patch
 |
| JIRA Issue | YARN-5379 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 4f8e27bdc890 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed 
Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | YARN-5355 / 0fd3980 |
| Default Java | 1.8.0_91 |
| findbugs | v3.0.0 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/12331/testReport/ |
| modules | C: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests
 U: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests
 |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/12331/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> TestHBaseTimelineStorage. testWriteApplicationToHBase() fails intermittently
> 
>
> Key: YARN-5379
> URL: https://issues.apache.org/jira/browse/YARN-5379
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: test, timelineserver
>Affects Versions: 3.0.0-alpha1
>Reporter: Sangjin Lee
>

[jira] [Commented] (YARN-5379) TestHBaseTimelineStorage. testWriteApplicationToHBase() fails intermittently

2016-07-14 Thread Vrushali C (JIRA) 

[ 
https://issues.apache.org/jira/browse/YARN-5379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15377349#comment-15377349
 ] 

Vrushali C commented on YARN-5379:
--

I see the problem, let me put up a patch. 

> TestHBaseTimelineStorage. testWriteApplicationToHBase() fails intermittently
> 
>
> Key: YARN-5379
> URL: https://issues.apache.org/jira/browse/YARN-5379
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: test, timelineserver
>Affects Versions: 3.0.0-alpha1
>Reporter: Sangjin Lee
>Assignee: Vrushali C
>Priority: Minor
>
> The {{TestHBaseTimelineStorage. testWriteApplicationToHBase()}} test seems to 
> fail intermittently:
> {noformat}
> java.lang.AssertionError: null
>   at org.junit.Assert.fail(Assert.java:86)
>   at org.junit.Assert.assertTrue(Assert.java:41)
>   at org.junit.Assert.assertTrue(Assert.java:52)
>   at 
> org.apache.hadoop.yarn.server.timelineservice.storage.TestHBaseTimelineStorage.testWriteApplicationToHBase(TestHBaseTimelineStorage.java:817)
> {noformat}
> The stdout output:
> {noformat}
> 2016-07-13 00:15:48,883 INFO  [main] zookeeper.RecoverableZooKeeper 
> (RecoverableZooKeeper.java:(120)) - Process 
> identifier=hconnection-0x2b7962a2 connecting to ZooKeeper 
> ensemble=localhost:53474
> 2016-07-13 00:15:48,883 INFO  [main] zookeeper.ZooKeeper 
> (ZooKeeper.java:(438)) - Initiating client connection, 
> connectString=localhost:53474 sessionTimeout=9 
> watcher=hconnection-0x2b7962a20x0, quorum=localhost:53474, baseZNode=/hbase
> 2016-07-13 00:15:48,886 INFO  [main-SendThread(localhost:53474)] 
> zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(975)) - Opening socket 
> connection to server localhost/127.0.0.1:53474. Will not attempt to 
> authenticate using SASL (unknown error)
> 2016-07-13 00:15:48,887 INFO  [main-SendThread(localhost:53474)] 
> zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(852)) - Socket 
> connection established to localhost/127.0.0.1:53474, initiating session
> 2016-07-13 00:15:48,887 INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:53474] 
> server.NIOServerCnxnFactory (NIOServerCnxnFactory.java:run(197)) - Accepted 
> socket connection from /127.0.0.1:38097
> 2016-07-13 00:15:48,887 INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:53474] 
> server.ZooKeeperServer (ZooKeeperServer.java:processConnectRequest(868)) - 
> Client attempting to establish new session at /127.0.0.1:38097
> 2016-07-13 00:15:48,896 INFO  [SyncThread:0] server.ZooKeeperServer 
> (ZooKeeperServer.java:finishSessionInit(617)) - Established session 
> 0x155e19baa520025 with negotiated timeout 4 for client /127.0.0.1:38097
> 2016-07-13 00:15:48,896 INFO  [main-SendThread(localhost:53474)] 
> zookeeper.ClientCnxn (ClientCnxn.java:onConnected(1235)) - Session 
> establishment complete on server localhost/127.0.0.1:53474, sessionid = 
> 0x155e19baa520025, negotiated timeout = 4
> 2016-07-13 00:15:48,911 INFO  [main] zookeeper.RecoverableZooKeeper 
> (RecoverableZooKeeper.java:(120)) - Process 
> identifier=hconnection-0x32130e61 connecting to ZooKeeper 
> ensemble=localhost:53474
> 2016-07-13 00:15:48,912 INFO  [main] zookeeper.ZooKeeper 
> (ZooKeeper.java:(438)) - Initiating client connection, 
> connectString=localhost:53474 sessionTimeout=9 
> watcher=hconnection-0x32130e610x0, quorum=localhost:53474, baseZNode=/hbase
> 2016-07-13 00:15:48,917 INFO  [main-SendThread(localhost:53474)] 
> zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(975)) - Opening socket 
> connection to server localhost/127.0.0.1:53474. Will not attempt to 
> authenticate using SASL (unknown error)
> 2016-07-13 00:15:48,918 INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:53474] 
> server.NIOServerCnxnFactory (NIOServerCnxnFactory.java:run(197)) - Accepted 
> socket connection from /127.0.0.1:38098
> 2016-07-13 00:15:48,921 INFO  [main-SendThread(localhost:53474)] 
> zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(852)) - Socket 
> connection established to localhost/127.0.0.1:53474, initiating session
> 2016-07-13 00:15:48,921 INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:53474] 
> server.ZooKeeperServer (ZooKeeperServer.java:processConnectRequest(868)) - 
> Client attempting to establish new session at /127.0.0.1:38098
> 2016-07-13 00:15:48,929 INFO  [SyncThread:0] server.ZooKeeperServer 
> (ZooKeeperServer.java:finishSessionInit(617)) - Established session 
> 0x155e19baa520026 with negotiated timeout 4 for client /127.0.0.1:38098
> 2016-07-13 00:15:48,929 INFO  [main-SendThread(localhost:53474)] 
> zookeeper.ClientCnxn (ClientCnxn.java:onConnected(1235)) - Session 
> establishment complete on server localhost/127.0.0.1:53474, sessionid = 
> 0x155e19baa520026, negotiated timeout = 4
> 2016-07-13 00:15:48,938 INFO  [main]

[jira] [Commented] (YARN-5379) TestHBaseTimelineStorage. testWriteApplicationToHBase() fails intermittently

2016-07-14 Thread Sangjin Lee (JIRA) 

[ 
https://issues.apache.org/jira/browse/YARN-5379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15377239#comment-15377239
 ] 

Sangjin Lee commented on YARN-5379:
---

I saw it once yesterday with YARN-5364. Then this morning I saw another with 
the trunk build report: 
https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/94/

I don't believe this is related to tests running concurrently.

> TestHBaseTimelineStorage. testWriteApplicationToHBase() fails intermittently
> 
>
> Key: YARN-5379
> URL: https://issues.apache.org/jira/browse/YARN-5379
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: test, timelineserver
>Affects Versions: 3.0.0-alpha1
>Reporter: Sangjin Lee
>Priority: Minor
>
> The {{TestHBaseTimelineStorage. testWriteApplicationToHBase()}} test seems to 
> fail intermittently:
> {noformat}
> java.lang.AssertionError: null
>   at org.junit.Assert.fail(Assert.java:86)
>   at org.junit.Assert.assertTrue(Assert.java:41)
>   at org.junit.Assert.assertTrue(Assert.java:52)
>   at 
> org.apache.hadoop.yarn.server.timelineservice.storage.TestHBaseTimelineStorage.testWriteApplicationToHBase(TestHBaseTimelineStorage.java:817)
> {noformat}
> The stdout output:
> {noformat}
> 2016-07-13 00:15:48,883 INFO  [main] zookeeper.RecoverableZooKeeper 
> (RecoverableZooKeeper.java:(120)) - Process 
> identifier=hconnection-0x2b7962a2 connecting to ZooKeeper 
> ensemble=localhost:53474
> 2016-07-13 00:15:48,883 INFO  [main] zookeeper.ZooKeeper 
> (ZooKeeper.java:(438)) - Initiating client connection, 
> connectString=localhost:53474 sessionTimeout=9 
> watcher=hconnection-0x2b7962a20x0, quorum=localhost:53474, baseZNode=/hbase
> 2016-07-13 00:15:48,886 INFO  [main-SendThread(localhost:53474)] 
> zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(975)) - Opening socket 
> connection to server localhost/127.0.0.1:53474. Will not attempt to 
> authenticate using SASL (unknown error)
> 2016-07-13 00:15:48,887 INFO  [main-SendThread(localhost:53474)] 
> zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(852)) - Socket 
> connection established to localhost/127.0.0.1:53474, initiating session
> 2016-07-13 00:15:48,887 INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:53474] 
> server.NIOServerCnxnFactory (NIOServerCnxnFactory.java:run(197)) - Accepted 
> socket connection from /127.0.0.1:38097
> 2016-07-13 00:15:48,887 INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:53474] 
> server.ZooKeeperServer (ZooKeeperServer.java:processConnectRequest(868)) - 
> Client attempting to establish new session at /127.0.0.1:38097
> 2016-07-13 00:15:48,896 INFO  [SyncThread:0] server.ZooKeeperServer 
> (ZooKeeperServer.java:finishSessionInit(617)) - Established session 
> 0x155e19baa520025 with negotiated timeout 4 for client /127.0.0.1:38097
> 2016-07-13 00:15:48,896 INFO  [main-SendThread(localhost:53474)] 
> zookeeper.ClientCnxn (ClientCnxn.java:onConnected(1235)) - Session 
> establishment complete on server localhost/127.0.0.1:53474, sessionid = 
> 0x155e19baa520025, negotiated timeout = 4
> 2016-07-13 00:15:48,911 INFO  [main] zookeeper.RecoverableZooKeeper 
> (RecoverableZooKeeper.java:(120)) - Process 
> identifier=hconnection-0x32130e61 connecting to ZooKeeper 
> ensemble=localhost:53474
> 2016-07-13 00:15:48,912 INFO  [main] zookeeper.ZooKeeper 
> (ZooKeeper.java:(438)) - Initiating client connection, 
> connectString=localhost:53474 sessionTimeout=9 
> watcher=hconnection-0x32130e610x0, quorum=localhost:53474, baseZNode=/hbase
> 2016-07-13 00:15:48,917 INFO  [main-SendThread(localhost:53474)] 
> zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(975)) - Opening socket 
> connection to server localhost/127.0.0.1:53474. Will not attempt to 
> authenticate using SASL (unknown error)
> 2016-07-13 00:15:48,918 INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:53474] 
> server.NIOServerCnxnFactory (NIOServerCnxnFactory.java:run(197)) - Accepted 
> socket connection from /127.0.0.1:38098
> 2016-07-13 00:15:48,921 INFO  [main-SendThread(localhost:53474)] 
> zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(852)) - Socket 
> connection established to localhost/127.0.0.1:53474, initiating session
> 2016-07-13 00:15:48,921 INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:53474] 
> server.ZooKeeperServer (ZooKeeperServer.java:processConnectRequest(868)) - 
> Client attempting to establish new session at /127.0.0.1:38098
> 2016-07-13 00:15:48,929 INFO  [SyncThread:0] server.ZooKeeperServer 
> (ZooKeeperServer.java:finishSessionInit(617)) - Established session 
> 0x155e19baa520026 with negotiated timeout 4 for client /127.0.0.1:38098
> 2016-07-13 00:15:48,929 INFO  [main-SendThread(localhost:53474)] 
> zookeeper.ClientCnxn (ClientCnxn.java:onConnected(1235)) - Session 
>