[ 
https://issues.apache.org/jira/browse/HBASE-27057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17540605#comment-17540605
 ] 

George edited comment on HBASE-27057 at 5/22/22 2:10 PM:
---------------------------------------------------------

*The request which is done if I request connection from zookeeper worker node 
directly:*

2022-05-22 14:03:05.615Z [INFO ] [poolScheduler-3] 
[c.b.s.s.c.h.GenerateRequestService] :---      Received scan jobs(1) of types 
[ds_test_connection]

2022-05-22 14:03:05.616Z [INFO ] [Thread-425] [c.b.c.a.u.AESUtil] :---     
MasterNode Unlimited cryptography enabled: AES: true , SHA: true , check hash: 
4jCLdtQCrFRGsnHP+F491iow7W2PBBVzcvIGw0G3pBM=

2022-05-22 14:03:05.616Z [INFO ] [Thread-425] 
[c.b.s.s.c.s.DataSourceConnectionService] :---     MasterNode connector type 
hbase

2022-05-22 14:03:05.616Z [INFO ] [Thread-425] 
[c.b.s.s.c.s.DataSourceConnectionService] :---     MasterNode source IS: 
MasterNode

2022-05-22 14:03:05.616Z [INFO ] [Thread-425] [c.b.s.c.TaskExecution] :---     
MasterNode Initializing task

2022-05-22 14:03:05.616Z [INFO ] [Thread-425] [c.b.s.c.TestConnectionTask] :--- 
    MasterNode Initializing Test Connection Task

2022-05-22 14:03:05.617Z [INFO ] [Thread-425] [c.b.s.c.ScannerFactory] :---     
MasterNode in ScannerFactory

2022-05-22 14:03:05.617Z [INFO ] [Thread-425] [c.b.s.h.c.ConfigUtils] :---     
MasterNode Certificate store management is configured for krb5ConfType file, 
searching krb5ConfType file in certificate store

2022-05-22 14:03:05.618Z [INFO ] [Thread-425] [c.b.s.h.c.ConfigUtils] :---     
MasterNode Saving file [/etc/scanner/krb5.conf]

2022-05-22 14:03:05.618Z [INFO ] [Thread-425] [c.b.s.h.c.CommonUtils] :---     
MasterNode Setting the java.security.krb5.conf system property to 
'/etc/scanner/krb5.conf'

2022-05-22 14:03:05.647Z [INFO ] [Thread-425] [c.b.s.h.c.ConfigUtils] :---     
MasterNode Certificate store management is configured for keyTabType file, 
searching keyTabType file in certificate store

2022-05-22 14:03:05.647Z [INFO ] [Thread-425] [c.b.s.h.c.ConfigUtils] :---     
MasterNode Saving file [/etc/scanner/big.keytab]

2022-05-22 14:03:05.647Z [INFO ] [Thread-425] [c.b.s.h.c.ConfigUtils] :---     
MasterNode Advanced configurations

2022-05-22 14:03:05.647Z [INFO ] [Thread-425] [c.b.s.h.c.ConfigUtils] :---     
MasterNode No advanced configuration

2022-05-22 14:03:05.650Z [INFO ] [Thread-425] [c.b.s.c.AESUtil] :---     
MasterNode Unlimited cryptography enabled: AES: true , SHA: true , check hash: 
4jCLdtQCrFRGsnHP+F491iow7W2PBBVzcvIGw0G3pBM=

2022-05-22 14:03:05.650Z [INFO ] [Thread-425] 
[c.b.s.c.g.AbstractLocalDataSourceScanner] :---     MasterNode Sample mode 
activated

2022-05-22 14:03:05.650Z [INFO ] [Thread-425] 
[c.b.s.c.g.AbstractLocalDataSourceScanner] :---     MasterNode Max sample size: 
100000

2022-05-22 14:03:05.650Z [INFO ] [Thread-425] 
[c.b.s.h.c.HadoopUGIConnectorWrapper] :---     MasterNode Getting new User 
Group Information...

2022-05-22 14:03:05.650Z [INFO ] [Thread-425] [c.b.s.h.c.CommonUtils] :---     
MasterNode Kerberos authentication

2022-05-22 14:03:05.709Z [INFO ] [Thread-425] [c.b.s.h.c.ConfigUtils] :---     
MasterNode Advanced configurations

2022-05-22 14:03:05.709Z [INFO ] [Thread-425] [c.b.s.h.c.ConfigUtils] :---     
MasterNode No advanced configuration

2022-05-22 14:03:05.709Z [WARN ] [Thread-425] [c.b.s.o.c.OrchestratorClient] 
:---     MasterNode no classifier algorithm url found

2022-05-22 14:03:05.709Z [INFO ] [Thread-425] 
[c.b.s.c.g.AbstractLocalDataSourceScanner] :---     MasterNode The enabled 
classifier types are: [REGEX]

2022-05-22 14:03:05.709Z [WARN ] [Thread-425] [c.b.s.o.c.OrchestratorClient] 
:---     MasterNode The dataSourceSupportedFeaturesUrl field was not supplied. 
Will not update the hbase scanner type with [HasStructure, HasFieldAffinity, 
HasDsar] supported features

2022-05-22 14:03:05.709Z [INFO ] [Thread-425] [c.b.s.c.TaskExecution] :---     
MasterNode Task has been initialized successfully.

2022-05-22 14:03:05.709Z [INFO ] [Thread-425] [c.b.s.c.TaskExecution] :---     
MasterNode Executing task

2022-05-22 14:03:05.709Z [INFO ] [Thread-425] [c.b.s.h.HBaseScanner] :---     
MasterNode Getting HBase tables...

2022-05-22 14:03:05.710Z [INFO ] [Thread-425] [c.b.s.h.HBaseScanner] :---     
MasterNode java11 support - Current java version is 11.0.14.1 change to 
1.8.0_192

2022-05-22 14:03:05.711Z [INFO ] [Thread-425] [o.a.h.h.z.RecoverableZooKeeper] 
:---     MasterNode Process identifier=hconnection-0x39acfe2b connecting to 
ZooKeeper ensemble=10.2.0.244:21812022-05-22 14:03:05 INFO  ZooKeeper:438 - 
Initiating client connection, connectString=10.2.0.244:2181 
sessionTimeout=90000 watcher=hconnection-0x39acfe2b0x0, quorum=10.2.0.244:2181, 
baseZNode=/hbase

2022-05-22 14:03:05 INFO  ClientCnxn:975 - Opening socket connection to server 
ip-10-2-0-244.ec2.internal/10.2.0.244:2181. Will not attempt to authenticate 
using SASL (unknown error)

2022-05-22 14:03:05 INFO  ClientCnxn:852 - Socket connection established, 
initiating session, client: /172.18.0.4:47928, server: 
ip-10-2-0-244.ec2.internal/10.2.0.244:2181

2022-05-22 14:03:05 INFO  ClientCnxn:1235 - Session establishment complete on 
server ip-10-2-0-244.ec2.internal/10.2.0.244:2181, sessionid = 
0xff80d872ec8b1bd0, negotiated timeout = 60000

 

2022-05-22 14:03:05.743Z [INFO ] [Thread-425] 
[o.a.h.h.c.ConnectionManager$HConnectionImplementation] :---     MasterNode 
Closing master protocol: MasterService

2022-05-22 14:03:05.743Z [INFO ] [Thread-425] 
[o.a.h.h.c.ConnectionManager$HConnectionImplementation] :---     MasterNode 
Closing zookeeper sessionid=0xff80d872ec8b1bd02022-05-22 14:03:05 INFO  
ZooKeeper:684 - Session: 0xff80d872ec8b1bd0 closed

2022-05-22 14:03:05 INFO  ClientCnxn:512 - EventThread shut down

 

2022-05-22 14:03:05.847Z [INFO ] [Thread-425] 
[c.b.s.c.g.DataSourceConnectorAdapter] :---     MasterNode Objects available 
for scanning (test connection): 5

2022-05-22 14:03:05.847Z [INFO ] [Thread-425] [c.b.s.c.TaskExecution] :---     
MasterNode Closing task

2022-05-22 14:03:05.847Z [INFO ] [Thread-425] 
[c.b.s.c.g.AbstractLocalDataSourceScanner] :---     MasterNode started

2022-05-22 14:03:05.848Z [INFO ] [Thread-425] 
[c.b.s.c.g.AbstractLocalDataSourceScanner] :---     MasterNode closing the 
orchestratorClient

2022-05-22 14:03:05.848Z [INFO ] [Thread-425] [c.b.s.o.c.OrchestratorClient] 
:---     MasterNode started

2022-05-22 14:03:05.848Z [INFO ] [Thread-425] [c.b.s.o.c.OrchestratorClient] 
:---     MasterNode closing the httpRestClient

2022-05-22 14:03:05.848Z [INFO ] [Thread-425] [c.b.s.c.HttpRESTClient] :---     
MasterNode started

2022-05-22 14:03:05.848Z [INFO ] [Thread-425] [c.b.s.c.HttpRESTClient] :---     
MasterNode closing the CloseableHttpClient

2022-05-22 14:03:05.848Z [INFO ] [Thread-425] [c.b.s.c.TaskExecution] :---     
MasterNode Complete.

2022-05-22 14:03:38.217Z [INFO ] [poolScheduler-8] 
[c.b.s.s.c.s.c.t.ThreadPoolUpdatesService] :---      Fetching thread pool 
updates


was (Author: JIRAUSER289848):
 

2022-05-22 14:03:05.615Z [INFO ] [poolScheduler-3] 
[c.b.s.s.c.h.GenerateRequestService] :---      Received scan jobs(1) of types 
[ds_test_connection]

2022-05-22 14:03:05.616Z [INFO ] [Thread-425] [c.b.c.a.u.AESUtil] :---     
MasterNode Unlimited cryptography enabled: AES: true , SHA: true , check hash: 
4jCLdtQCrFRGsnHP+F491iow7W2PBBVzcvIGw0G3pBM=

2022-05-22 14:03:05.616Z [INFO ] [Thread-425] 
[c.b.s.s.c.s.DataSourceConnectionService] :---     MasterNode connector type 
hbase

2022-05-22 14:03:05.616Z [INFO ] [Thread-425] 
[c.b.s.s.c.s.DataSourceConnectionService] :---     MasterNode source IS: 
MasterNode

2022-05-22 14:03:05.616Z [INFO ] [Thread-425] [c.b.s.c.TaskExecution] :---     
MasterNode Initializing task

2022-05-22 14:03:05.616Z [INFO ] [Thread-425] [c.b.s.c.TestConnectionTask] :--- 
    MasterNode Initializing Test Connection Task

2022-05-22 14:03:05.617Z [INFO ] [Thread-425] [c.b.s.c.ScannerFactory] :---     
MasterNode in ScannerFactory

2022-05-22 14:03:05.617Z [INFO ] [Thread-425] [c.b.s.h.c.ConfigUtils] :---     
MasterNode Certificate store management is configured for krb5ConfType file, 
searching krb5ConfType file in certificate store

2022-05-22 14:03:05.618Z [INFO ] [Thread-425] [c.b.s.h.c.ConfigUtils] :---     
MasterNode Saving file [/etc/scanner/krb5.conf]

2022-05-22 14:03:05.618Z [INFO ] [Thread-425] [c.b.s.h.c.CommonUtils] :---     
MasterNode Setting the java.security.krb5.conf system property to 
'/etc/scanner/krb5.conf'

2022-05-22 14:03:05.647Z [INFO ] [Thread-425] [c.b.s.h.c.ConfigUtils] :---     
MasterNode Certificate store management is configured for keyTabType file, 
searching keyTabType file in certificate store

2022-05-22 14:03:05.647Z [INFO ] [Thread-425] [c.b.s.h.c.ConfigUtils] :---     
MasterNode Saving file [/etc/scanner/big.keytab]

2022-05-22 14:03:05.647Z [INFO ] [Thread-425] [c.b.s.h.c.ConfigUtils] :---     
MasterNode Advanced configurations

2022-05-22 14:03:05.647Z [INFO ] [Thread-425] [c.b.s.h.c.ConfigUtils] :---     
MasterNode No advanced configuration

2022-05-22 14:03:05.650Z [INFO ] [Thread-425] [c.b.s.c.AESUtil] :---     
MasterNode Unlimited cryptography enabled: AES: true , SHA: true , check hash: 
4jCLdtQCrFRGsnHP+F491iow7W2PBBVzcvIGw0G3pBM=

2022-05-22 14:03:05.650Z [INFO ] [Thread-425] 
[c.b.s.c.g.AbstractLocalDataSourceScanner] :---     MasterNode Sample mode 
activated

2022-05-22 14:03:05.650Z [INFO ] [Thread-425] 
[c.b.s.c.g.AbstractLocalDataSourceScanner] :---     MasterNode Max sample size: 
100000

2022-05-22 14:03:05.650Z [INFO ] [Thread-425] 
[c.b.s.h.c.HadoopUGIConnectorWrapper] :---     MasterNode Getting new User 
Group Information...

2022-05-22 14:03:05.650Z [INFO ] [Thread-425] [c.b.s.h.c.CommonUtils] :---     
MasterNode Kerberos authentication

2022-05-22 14:03:05.709Z [INFO ] [Thread-425] [c.b.s.h.c.ConfigUtils] :---     
MasterNode Advanced configurations

2022-05-22 14:03:05.709Z [INFO ] [Thread-425] [c.b.s.h.c.ConfigUtils] :---     
MasterNode No advanced configuration

2022-05-22 14:03:05.709Z [WARN ] [Thread-425] [c.b.s.o.c.OrchestratorClient] 
:---     MasterNode no classifier algorithm url found

2022-05-22 14:03:05.709Z [INFO ] [Thread-425] 
[c.b.s.c.g.AbstractLocalDataSourceScanner] :---     MasterNode The enabled 
classifier types are: [REGEX]

2022-05-22 14:03:05.709Z [WARN ] [Thread-425] [c.b.s.o.c.OrchestratorClient] 
:---     MasterNode The dataSourceSupportedFeaturesUrl field was not supplied. 
Will not update the hbase scanner type with [HasStructure, HasFieldAffinity, 
HasDsar] supported features

2022-05-22 14:03:05.709Z [INFO ] [Thread-425] [c.b.s.c.TaskExecution] :---     
MasterNode Task has been initialized successfully.

2022-05-22 14:03:05.709Z [INFO ] [Thread-425] [c.b.s.c.TaskExecution] :---     
MasterNode Executing task

2022-05-22 14:03:05.709Z [INFO ] [Thread-425] [c.b.s.h.HBaseScanner] :---     
MasterNode Getting HBase tables...

2022-05-22 14:03:05.710Z [INFO ] [Thread-425] [c.b.s.h.HBaseScanner] :---     
MasterNode java11 support - Current java version is 11.0.14.1 change to 
1.8.0_192

2022-05-22 14:03:05.711Z [INFO ] [Thread-425] [o.a.h.h.z.RecoverableZooKeeper] 
:---     MasterNode Process identifier=hconnection-0x39acfe2b connecting to 
ZooKeeper ensemble=10.2.0.244:21812022-05-22 14:03:05 INFO  ZooKeeper:438 - 
Initiating client connection, connectString=10.2.0.244:2181 
sessionTimeout=90000 watcher=hconnection-0x39acfe2b0x0, quorum=10.2.0.244:2181, 
baseZNode=/hbase

2022-05-22 14:03:05 INFO  ClientCnxn:975 - Opening socket connection to server 
ip-10-2-0-244.ec2.internal/10.2.0.244:2181. Will not attempt to authenticate 
using SASL (unknown error)

2022-05-22 14:03:05 INFO  ClientCnxn:852 - Socket connection established, 
initiating session, client: /172.18.0.4:47928, server: 
ip-10-2-0-244.ec2.internal/10.2.0.244:2181

2022-05-22 14:03:05 INFO  ClientCnxn:1235 - Session establishment complete on 
server ip-10-2-0-244.ec2.internal/10.2.0.244:2181, sessionid = 
0xff80d872ec8b1bd0, negotiated timeout = 60000

 

2022-05-22 14:03:05.743Z [INFO ] [Thread-425] 
[o.a.h.h.c.ConnectionManager$HConnectionImplementation] :---     MasterNode 
Closing master protocol: MasterService

2022-05-22 14:03:05.743Z [INFO ] [Thread-425] 
[o.a.h.h.c.ConnectionManager$HConnectionImplementation] :---     MasterNode 
Closing zookeeper sessionid=0xff80d872ec8b1bd02022-05-22 14:03:05 INFO  
ZooKeeper:684 - Session: 0xff80d872ec8b1bd0 closed

2022-05-22 14:03:05 INFO  ClientCnxn:512 - EventThread shut down

 

2022-05-22 14:03:05.847Z [INFO ] [Thread-425] 
[c.b.s.c.g.DataSourceConnectorAdapter] :---     MasterNode Objects available 
for scanning (test connection): 5

2022-05-22 14:03:05.847Z [INFO ] [Thread-425] [c.b.s.c.TaskExecution] :---     
MasterNode Closing task

2022-05-22 14:03:05.847Z [INFO ] [Thread-425] 
[c.b.s.c.g.AbstractLocalDataSourceScanner] :---     MasterNode started

2022-05-22 14:03:05.848Z [INFO ] [Thread-425] 
[c.b.s.c.g.AbstractLocalDataSourceScanner] :---     MasterNode closing the 
orchestratorClient

2022-05-22 14:03:05.848Z [INFO ] [Thread-425] [c.b.s.o.c.OrchestratorClient] 
:---     MasterNode started

2022-05-22 14:03:05.848Z [INFO ] [Thread-425] [c.b.s.o.c.OrchestratorClient] 
:---     MasterNode closing the httpRestClient

2022-05-22 14:03:05.848Z [INFO ] [Thread-425] [c.b.s.c.HttpRESTClient] :---     
MasterNode started

2022-05-22 14:03:05.848Z [INFO ] [Thread-425] [c.b.s.c.HttpRESTClient] :---     
MasterNode closing the CloseableHttpClient

2022-05-22 14:03:05.848Z [INFO ] [Thread-425] [c.b.s.c.TaskExecution] :---     
MasterNode Complete.

2022-05-22 14:03:38.217Z [INFO ] [poolScheduler-8] 
[c.b.s.s.c.s.c.t.ThreadPoolUpdatesService] :---      Fetching thread pool 
updates

> Issue with ZooKeeper configuration on CDP5
> ------------------------------------------
>
>                 Key: HBASE-27057
>                 URL: https://issues.apache.org/jira/browse/HBASE-27057
>             Project: HBase
>          Issue Type: Task
>         Environment: Cloudera 5 with Kerberos / HBase
>            Reporter: George
>            Priority: Major
>
> Hello everyone, I am new here and in HBase as well, so sorry for my lack of 
> knowledge, I tried to read but the documentation and the environment that I 
> got as a test are confusing me. The explanation is here, I have got Cloudera 
> 5 with Hbase with Kerberos, 2 master nodes, and 3 worker nodes on Ubuntu 
> machines, we have to connect DataStore with special application with checks 
> krb5.conf file and keytab after authentication goes and connect to DS and 
> check the tables the metadata there. When I am trying to push the application 
> to connect the master node zookeeper is failing, when I am trying to connect 
> zookeper node from the same application I can scan and do what I need, but 
> every time the connection goes to 2181 localhost, how to check where is the 
> issue of configuration that masters done will give me access to the data 
> stores?
>  
> Here is log from master node: 
> [2022-05-22 12:26:31.676Z] [WARN] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper  [MasterNode]- 
> Possibly transient ZooKeeper, quorum=10.2.0.30:2181, 
> exception=org.apache.zookeeper.KeeperException$ConnectionLossException: 
> KeeperErrorCode = ConnectionLoss for /hbase/hbaseid
> [2022-05-22 12:26:31.676Z] [INFO] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.util.RetryCounter  [MasterNode]- Sleeping 1000ms 
> before retry #0...
> [2022-05-22 12:26:31.676Z] [WARN] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper  [MasterNode]- 
> Possibly transient ZooKeeper, quorum=10.2.0.30:2181, 
> exception=org.apache.zookeeper.KeeperException$ConnectionLossException: 
> KeeperErrorCode = ConnectionLoss for /hbase/hbaseid
> [2022-05-22 12:26:31.676Z] [INFO] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.util.RetryCounter  [MasterNode]- Sleeping 2000ms 
> before retry #1...
> [2022-05-22 12:26:31.676Z] [WARN] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper  [MasterNode]- 
> Possibly transient ZooKeeper, quorum=10.2.0.30:2181, 
> exception=org.apache.zookeeper.KeeperException$ConnectionLossException: 
> KeeperErrorCode = ConnectionLoss for /hbase/hbaseid
> [2022-05-22 12:26:31.676Z] [ERROR] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper  [MasterNode]- 
> ZooKeeper exists failed after 2 attempts
> [2022-05-22 12:26:31.677Z] [WARN] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.zookeeper.ZKUtil  [MasterNode]- 
> hconnection-0x46acd8780x0, quorum=10.2.0.30:2181, baseZNode=/hbase Unable to 
> set watcher on znode (/hbase/hbaseid)
>  org.apache.zookeeper.KeeperException$ConnectionLossException: 
> KeeperErrorCode = ConnectionLoss for /hbase/hbaseid
>     at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
>     at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
>     at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1041)
>     at 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:222)
>     at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:481)
>     at 
> org.apache.hadoop.hbase.zookeeper.ZKClusterId.readClusterIdZNode(ZKClusterId.java:65)
>     at 
> org.apache.hadoop.hbase.client.ZooKeeperRegistry.getClusterId(ZooKeeperRegistry.java:86)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.retrieveClusterId(ConnectionManager.java:833)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.<init>(ConnectionManager.java:623)
>     at 
> java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native
>  Method)
>     at 
> java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(Unknown
>  Source)
>     at 
> java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown
>  Source)
>     at java.base/java.lang.reflect.Constructor.newInstance(Unknown Source)
>     at 
> org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:238)
>     at 
> org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:218)
>     at 
> org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:119)
>     at 
> com.bigid.scanner.hbase.HBaseScanner.getDataSourceObjects(HBaseScanner.java:60)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper$4.run(HadoopUGIConnectorWrapper.java:108)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper$4.run(HadoopUGIConnectorWrapper.java:105)
>     at java.base/java.security.AccessController.doPrivileged(Native Method)
>     at java.base/javax.security.auth.Subject.doAs(Unknown Source)
>     at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1693)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper.getDataSourceObjects(HadoopUGIConnectorWrapper.java:105)
>     at 
> com.bigid.scanner.connectors.generic.DataSourceConnectorAdapter.testConnection(DataSourceConnectorAdapter.java:289)
>     at 
> com.bigid.scanner.core.tasks.legacy.LegacyTestConnectionTask.execute(LegacyTestConnectionTask.java:43)
>     at 
> com.bigid.scanner.core.TestConnectionTask.execute(TestConnectionTask.java:36)
>     at com.bigid.scanner.core.TaskExecution.execute(TaskExecution.java:36)
>     at 
> com.bigid.scanner.scannerboot.common.services.TestConnectionService.doService(TestConnectionService.java:57)
>     at 
> com.bigid.scanner.scannerboot.common.services.TestConnectionService.doService(TestConnectionService.java:20)
>     at 
> com.bigid.scanner.scannerboot.common.http.managers.TestConnectionSyncManager.lambda$runService$0(TestConnectionSyncManager.java:55)
>     at 
> java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(Unknown 
> Source)
>     at java.base/java.lang.Thread.run(Unknown Source)
> [2022-05-22 12:26:31.678Z] [ERROR] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher  [MasterNode]- 
> hconnection-0x46acd8780x0, quorum=10.2.0.30:2181, baseZNode=/hbase Received 
> unexpected KeeperException, re-throwing exception
>  org.apache.zookeeper.KeeperException$ConnectionLossException: 
> KeeperErrorCode = ConnectionLoss for /hbase/hbaseid
>     at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
>     at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
>     at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1041)
>     at 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:222)
>     at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:481)
>     at 
> org.apache.hadoop.hbase.zookeeper.ZKClusterId.readClusterIdZNode(ZKClusterId.java:65)
>     at 
> org.apache.hadoop.hbase.client.ZooKeeperRegistry.getClusterId(ZooKeeperRegistry.java:86)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.retrieveClusterId(ConnectionManager.java:833)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.<init>(ConnectionManager.java:623)
>     at 
> java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native
>  Method)
>     at 
> java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(Unknown
>  Source)
>     at 
> java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown
>  Source)
>     at java.base/java.lang.reflect.Constructor.newInstance(Unknown Source)
>     at 
> org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:238)
>     at 
> org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:218)
>     at 
> org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:119)
>     at 
> com.bigid.scanner.hbase.HBaseScanner.getDataSourceObjects(HBaseScanner.java:60)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper$4.run(HadoopUGIConnectorWrapper.java:108)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper$4.run(HadoopUGIConnectorWrapper.java:105)
>     at java.base/java.security.AccessController.doPrivileged(Native Method)
>     at java.base/javax.security.auth.Subject.doAs(Unknown Source)
>     at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1693)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper.getDataSourceObjects(HadoopUGIConnectorWrapper.java:105)
>     at 
> com.bigid.scanner.connectors.generic.DataSourceConnectorAdapter.testConnection(DataSourceConnectorAdapter.java:289)
>     at 
> com.bigid.scanner.core.tasks.legacy.LegacyTestConnectionTask.execute(LegacyTestConnectionTask.java:43)
>     at 
> com.bigid.scanner.core.TestConnectionTask.execute(TestConnectionTask.java:36)
>     at com.bigid.scanner.core.TaskExecution.execute(TaskExecution.java:36)
>     at 
> com.bigid.scanner.scannerboot.common.services.TestConnectionService.doService(TestConnectionService.java:57)
>     at 
> com.bigid.scanner.scannerboot.common.services.TestConnectionService.doService(TestConnectionService.java:20)
>     at 
> com.bigid.scanner.scannerboot.common.http.managers.TestConnectionSyncManager.lambda$runService$0(TestConnectionSyncManager.java:55)
>     at 
> java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(Unknown 
> Source)
>     at java.base/java.lang.Thread.run(Unknown Source)
> [2022-05-22 12:26:31.678Z] [WARN] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.client.ZooKeeperRegistry  [MasterNode]- Can't 
> retrieve clusterId from Zookeeper
>  org.apache.zookeeper.KeeperException$ConnectionLossException: 
> KeeperErrorCode = ConnectionLoss for /hbase/hbaseid
>     at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
>     at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
>     at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1041)
>     at 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:222)
>     at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:481)
>     at 
> org.apache.hadoop.hbase.zookeeper.ZKClusterId.readClusterIdZNode(ZKClusterId.java:65)
>     at 
> org.apache.hadoop.hbase.client.ZooKeeperRegistry.getClusterId(ZooKeeperRegistry.java:86)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.retrieveClusterId(ConnectionManager.java:833)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.<init>(ConnectionManager.java:623)
>     at 
> java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native
>  Method)
>     at 
> java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(Unknown
>  Source)
>     at 
> java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown
>  Source)
>     at java.base/java.lang.reflect.Constructor.newInstance(Unknown Source)
>     at 
> org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:238)
>     at 
> org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:218)
>     at 
> org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:119)
>     at 
> com.bigid.scanner.hbase.HBaseScanner.getDataSourceObjects(HBaseScanner.java:60)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper$4.run(HadoopUGIConnectorWrapper.java:108)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper$4.run(HadoopUGIConnectorWrapper.java:105)
>     at java.base/java.security.AccessController.doPrivileged(Native Method)
>     at java.base/javax.security.auth.Subject.doAs(Unknown Source)
>     at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1693)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper.getDataSourceObjects(HadoopUGIConnectorWrapper.java:105)
>     at 
> com.bigid.scanner.connectors.generic.DataSourceConnectorAdapter.testConnection(DataSourceConnectorAdapter.java:289)
>     at 
> com.bigid.scanner.core.tasks.legacy.LegacyTestConnectionTask.execute(LegacyTestConnectionTask.java:43)
>     at 
> com.bigid.scanner.core.TestConnectionTask.execute(TestConnectionTask.java:36)
>     at com.bigid.scanner.core.TaskExecution.execute(TaskExecution.java:36)
>     at 
> com.bigid.scanner.scannerboot.common.services.TestConnectionService.doService(TestConnectionService.java:57)
>     at 
> com.bigid.scanner.scannerboot.common.services.TestConnectionService.doService(TestConnectionService.java:20)
>     at 
> com.bigid.scanner.scannerboot.common.http.managers.TestConnectionSyncManager.lambda$runService$0(TestConnectionSyncManager.java:55)
>     at 
> java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(Unknown 
> Source)
>     at java.base/java.lang.Thread.run(Unknown Source)
> [2022-05-22 12:26:36.337Z] [INFO] scanner_file - 
> 7a342cd4-cd4f-4a08-ab9f-8214b4f62f09 [poolScheduler-2] 
> com.bigid.scanner.scannerboot.common.services.context.threads.ThreadPoolUpdatesService
>  - Fetching thread pool updates
> [2022-05-22 12:26:41.675Z] [WARN] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper  [MasterNode]- 
> Possibly transient ZooKeeper, quorum=10.2.0.30:2181, 
> exception=org.apache.zookeeper.KeeperException$ConnectionLossException: 
> KeeperErrorCode = ConnectionLoss for /hbase
> [2022-05-22 12:26:41.676Z] [INFO] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.util.RetryCounter  [MasterNode]- Sleeping 1000ms 
> before retry #0...
> [2022-05-22 12:26:41.676Z] [WARN] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper  [MasterNode]- 
> Possibly transient ZooKeeper, quorum=10.2.0.30:2181, 
> exception=org.apache.zookeeper.KeeperException$ConnectionLossException: 
> KeeperErrorCode = ConnectionLoss for /hbase
> [2022-05-22 12:26:41.676Z] [INFO] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.util.RetryCounter  [MasterNode]- Sleeping 2000ms 
> before retry #1...
> [2022-05-22 12:26:41.676Z] [WARN] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper  [MasterNode]- 
> Possibly transient ZooKeeper, quorum=10.2.0.30:2181, 
> exception=org.apache.zookeeper.KeeperException$ConnectionLossException: 
> KeeperErrorCode = ConnectionLoss for /hbase
> [2022-05-22 12:26:41.676Z] [ERROR] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper  [MasterNode]- 
> ZooKeeper exists failed after 2 attempts
> [2022-05-22 12:26:41.676Z] [WARN] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.zookeeper.ZKUtil  [MasterNode]- 
> hconnection-0x46acd8780x0, quorum=10.2.0.30:2181, baseZNode=/hbase Unable to 
> set watcher on znode (/hbase)
>  org.apache.zookeeper.KeeperException$ConnectionLossException: 
> KeeperErrorCode = ConnectionLoss for /hbase
>     at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
>     at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
>     at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1041)
>     at 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:222)
>     at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:481)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.checkIfBaseNodeAvailable(ConnectionManager.java:849)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.access$400(ConnectionManager.java:535)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$StubMaker.makeStubNoRetries(ConnectionManager.java:1435)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$StubMaker.makeStub(ConnectionManager.java:1476)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$MasterServiceStubMaker.makeStub(ConnectionManager.java:1505)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.getKeepAliveMasterService(ConnectionManager.java:1711)
>     at 
> org.apache.hadoop.hbase.client.MasterCallable.prepare(MasterCallable.java:38)
>     at 
> org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:124)
>     at 
> org.apache.hadoop.hbase.client.HBaseAdmin.executeCallable(HBaseAdmin.java:3601)
>     at 
> org.apache.hadoop.hbase.client.HBaseAdmin.listTables(HBaseAdmin.java:312)
>     at 
> org.apache.hadoop.hbase.client.HBaseAdmin.listTables(HBaseAdmin.java:296)
>     at 
> com.bigid.scanner.hbase.HBaseScanner.getDataSourceObjects(HBaseScanner.java:62)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper$4.run(HadoopUGIConnectorWrapper.java:108)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper$4.run(HadoopUGIConnectorWrapper.java:105)
>     at java.base/java.security.AccessController.doPrivileged(Native Method)
>     at java.base/javax.security.auth.Subject.doAs(Unknown Source)
>     at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1693)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper.getDataSourceObjects(HadoopUGIConnectorWrapper.java:105)
>     at 
> com.bigid.scanner.connectors.generic.DataSourceConnectorAdapter.testConnection(DataSourceConnectorAdapter.java:289)
>     at 
> com.bigid.scanner.core.tasks.legacy.LegacyTestConnectionTask.execute(LegacyTestConnectionTask.java:43)
>     at 
> com.bigid.scanner.core.TestConnectionTask.execute(TestConnectionTask.java:36)
>     at com.bigid.scanner.core.TaskExecution.execute(TaskExecution.java:36)
>     at 
> com.bigid.scanner.scannerboot.common.services.TestConnectionService.doService(TestConnectionService.java:57)
>     at 
> com.bigid.scanner.scannerboot.common.services.TestConnectionService.doService(TestConnectionService.java:20)
>     at 
> com.bigid.scanner.scannerboot.common.http.managers.TestConnectionSyncManager.lambda$runService$0(TestConnectionSyncManager.java:55)
>     at 
> java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(Unknown 
> Source)
>     at java.base/java.lang.Thread.run(Unknown Source)
> [2022-05-22 12:26:41.676Z] [ERROR] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher  [MasterNode]- 
> hconnection-0x46acd8780x0, quorum=10.2.0.30:2181, baseZNode=/hbase Received 
> unexpected KeeperException, re-throwing exception
>  org.apache.zookeeper.KeeperException$ConnectionLossException: 
> KeeperErrorCode = ConnectionLoss for /hbase
>     at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
>     at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
>     at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1041)
>     at 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:222)
>     at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:481)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.checkIfBaseNodeAvailable(ConnectionManager.java:849)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.access$400(ConnectionManager.java:535)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$StubMaker.makeStubNoRetries(ConnectionManager.java:1435)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$StubMaker.makeStub(ConnectionManager.java:1476)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$MasterServiceStubMaker.makeStub(ConnectionManager.java:1505)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.getKeepAliveMasterService(ConnectionManager.java:1711)
>     at 
> org.apache.hadoop.hbase.client.MasterCallable.prepare(MasterCallable.java:38)
>     at 
> org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:124)
>     at 
> org.apache.hadoop.hbase.client.HBaseAdmin.executeCallable(HBaseAdmin.java:3601)
>     at 
> org.apache.hadoop.hbase.client.HBaseAdmin.listTables(HBaseAdmin.java:312)
>     at 
> org.apache.hadoop.hbase.client.HBaseAdmin.listTables(HBaseAdmin.java:296)
>     at 
> com.bigid.scanner.hbase.HBaseScanner.getDataSourceObjects(HBaseScanner.java:62)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper$4.run(HadoopUGIConnectorWrapper.java:108)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper$4.run(HadoopUGIConnectorWrapper.java:105)
>     at java.base/java.security.AccessController.doPrivileged(Native Method)
>     at java.base/javax.security.auth.Subject.doAs(Unknown Source)
>     at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1693)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper.getDataSourceObjects(HadoopUGIConnectorWrapper.java:105)
>     at 
> com.bigid.scanner.connectors.generic.DataSourceConnectorAdapter.testConnection(DataSourceConnectorAdapter.java:289)
>     at 
> com.bigid.scanner.core.tasks.legacy.LegacyTestConnectionTask.execute(LegacyTestConnectionTask.java:43)
>     at 
> com.bigid.scanner.core.TestConnectionTask.execute(TestConnectionTask.java:36)
>     at com.bigid.scanner.core.TaskExecution.execute(TaskExecution.java:36)
>     at 
> com.bigid.scanner.scannerboot.common.services.TestConnectionService.doService(TestConnectionService.java:57)
>     at 
> com.bigid.scanner.scannerboot.common.services.TestConnectionService.doService(TestConnectionService.java:20)
>     at 
> com.bigid.scanner.scannerboot.common.http.managers.TestConnectionSyncManager.lambda$runService$0(TestConnectionSyncManager.java:55)
>     at 
> java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(Unknown 
> Source)
>     at java.base/java.lang.Thread.run(Unknown Source)
> [2022-05-22 12:26:41.676Z] [ERROR] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation  
> [MasterNode]- Can't get connection to ZooKeeper: KeeperErrorCode = 
> ConnectionLoss for /hbase
> [2022-05-22 12:26:41.676Z] [WARN] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper  [MasterNode]- 
> Possibly transient ZooKeeper, quorum=10.2.0.30:2181, 
> exception=org.apache.zookeeper.KeeperException$ConnectionLossException: 
> KeeperErrorCode = ConnectionLoss for /hbase
> [2022-05-22 12:26:41.676Z] [INFO] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.util.RetryCounter  [MasterNode]- Sleeping 1000ms 
> before retry #0...
> [2022-05-22 12:26:41.676Z] [INFO] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [poolScheduler-7] 
> com.bigid.scanner.scannerboot.common.services.context.threads.ThreadPoolUpdatesService
>  - Fetching thread pool updates
> [2022-05-22 12:26:41.676Z] [WARN] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper  [MasterNode]- 
> Possibly transient ZooKeeper, quorum=10.2.0.30:2181, 
> exception=org.apache.zookeeper.KeeperException$ConnectionLossException: 
> KeeperErrorCode = ConnectionLoss for /hbase
> [2022-05-22 12:26:41.676Z] [INFO] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.util.RetryCounter  [MasterNode]- Sleeping 2000ms 
> before retry #1...
> [2022-05-22 12:26:41.676Z] [WARN] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper  [MasterNode]- 
> Possibly transient ZooKeeper, quorum=10.2.0.30:2181, 
> exception=org.apache.zookeeper.KeeperException$ConnectionLossException: 
> KeeperErrorCode = ConnectionLoss for /hbase
> [2022-05-22 12:26:41.676Z] [ERROR] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper  [MasterNode]- 
> ZooKeeper exists failed after 2 attempts
> [2022-05-22 12:26:41.676Z] [WARN] scanner_file - 
> 12750b5c-c00b-4eb9-8ec0-66a710ed822d [Thread-312] 
> org.apache.hadoop.hbase.zookeeper.ZKUtil  [MasterNode]- 
> hconnection-0x46acd8780x0, quorum=10.2.0.30:2181, baseZNode=/hbase Unable to 
> set watcher on znode (/hbase)
>  org.apache.zookeeper.KeeperException$ConnectionLossException: 
> KeeperErrorCode = ConnectionLoss for /hbase
>     at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
>     at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
>     at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1041)
>     at 
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:222)
>     at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:481)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.checkIfBaseNodeAvailable(ConnectionManager.java:849)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.access$400(ConnectionManager.java:535)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$StubMaker.makeStubNoRetries(ConnectionManager.java:1435)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$StubMaker.makeStub(ConnectionManager.java:1476)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$MasterServiceStubMaker.makeStub(ConnectionManager.java:1505)
>     at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.getKeepAliveMasterService(ConnectionManager.java:1711)
>     at 
> org.apache.hadoop.hbase.client.MasterCallable.prepare(MasterCallable.java:38)
>     at 
> org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:124)
>     at 
> org.apache.hadoop.hbase.client.HBaseAdmin.executeCallable(HBaseAdmin.java:3601)
>     at 
> org.apache.hadoop.hbase.client.HBaseAdmin.listTables(HBaseAdmin.java:312)
>     at 
> org.apache.hadoop.hbase.client.HBaseAdmin.listTables(HBaseAdmin.java:296)
>     at 
> com.bigid.scanner.hbase.HBaseScanner.getDataSourceObjects(HBaseScanner.java:62)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper$4.run(HadoopUGIConnectorWrapper.java:108)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper$4.run(HadoopUGIConnectorWrapper.java:105)
>     at java.base/java.security.AccessController.doPrivileged(Native Method)
>     at java.base/javax.security.auth.Subject.doAs(Unknown Source)
>     at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1693)
>     at 
> com.bigid.scanner.hadoop.common.HadoopUGIConnectorWrapper.getDataSourceObjects(HadoopUGIConnectorWrapper.java:105)
>     at 
> com.bigid.scanner.connectors.generic.DataSourceConnectorAdapter.testConnection(DataSourceConnectorAdapter.java:289)
>     at 
> com.bigid.scanner.core.tasks.legacy.LegacyTestConnectionTask.execute(LegacyTestConnectionTask.java:43)
>     at 
> com.bigid.scanner.core.TestConnectionTask.execute(TestConnectionTask.java:36)
>     at com.bigid.scanner.core.TaskExecution.execute(TaskExecution.java:36)
>     at 
> com.bigid.scanner.scannerboot.common.services.TestConnectionService.doService(TestConnectionService.java:57)
>     at 
> com.bigid.scanner.scannerboot.common.services.TestConnectionService.doService(TestConnectionService.java:20)
>     at 
> com.bigid.scanner.scannerboot.common.http.managers.TestConnectionSyncManager.lambda$runService$0(TestConnectionSyncManager.java:55)
>     at 
> java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(Unknown 
> Source)
>     at java.base/java.lang.Thread.run(Unknown Source)



--
This message was sent by Atlassian Jira
(v8.20.7#820007)

Reply via email to