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https://issues.apache.org/jira/browse/LENS-776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amareshwari Sriramadasu updated LENS-776:
-----------------------------------------
Fix Version/s: 2.4
> Lens Server not Starting if there is a failure in creating "saved query" table
> ------------------------------------------------------------------------------
>
> Key: LENS-776
> URL: https://issues.apache.org/jira/browse/LENS-776
> Project: Apache Lens
> Issue Type: Bug
> Reporter: Arshad Matin
> Assignee: Amruth S
> Fix For: 2.4
>
> Attachments: LENS-776.patch
>
>
> This is coming with the default config and i was using MySql db
> {noformat}
> <property>
> <name>lens.server.savedquery.jdbc.dialectclass</name>
> <value>org.apache.lens.server.query.save.SavedQueryDao$HSQLDialect</value>
> <description>Dialect of the target DB, Default is HSQL. Override with the
> target DB used.</description>
> </property>
> {noformat}
> Even with HSQL, saved_query table creation failure shouldnt stop lens server
> from coming up.
> Exception
> {noformat}
> 16 Sep 2015 08:17:34 [0bd00660-d2d0-42a6-bdc6-e8b31e895da6] [main] ERROR
> org.apache.lens.server.LensServer - Error while creating Lens server
> java.lang.RuntimeException: Cannot initialize saved query service
> at
> org.apache.lens.server.query.save.SavedQueryServiceImpl.init(SavedQueryServiceImpl.java:69)
> ~[classes/:na]
> at
> org.apache.hive.service.CompositeService.init(CompositeService.java:59)
> ~[hive-service-0.13.3-inm.jar:0.13.3-inm]
> at org.apache.lens.server.LensServices.init(LensServices.java:235)
> ~[classes/:na]
> at
> org.apache.lens.server.LensServer.startServices(LensServer.java:135)
> ~[classes/:na]
> at org.apache.lens.server.LensServer.<init>(LensServer.java:85)
> ~[classes/:na]
> at
> org.apache.lens.server.LensServer.createLensServer(LensServer.java:74)
> ~[classes/:na]
> at org.apache.lens.server.LensServer.main(LensServer.java:191)
> ~[classes/:na]
> Caused by: org.apache.lens.server.api.error.LensException: Error initializing
> saved query dao
> at
> org.apache.lens.server.query.save.SavedQueryDao.<init>(SavedQueryDao.java:72)
> ~[classes/:na]
> at
> org.apache.lens.server.query.save.SavedQueryServiceImpl.init(SavedQueryServiceImpl.java:64)
> ~[classes/:na]
> ... 6 common frames omitted
> Caused by: org.apache.lens.server.api.error.LensException: Cannot create
> saved query table!
> at
> org.apache.lens.server.query.save.SavedQueryDao.createSavedQueryTableIfNotExists(SavedQueryDao.java:85)
> ~[classes/:na]
> at
> org.apache.lens.server.query.save.SavedQueryDao.<init>(SavedQueryDao.java:70)
> ~[classes/:na]
> ... 7 common frames omitted
> Caused by: java.sql.SQLException: You have an error in your SQL syntax; check
> the manual that corresponds to your MySQL server version for the right syntax
> to use near 'GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY, name varchar(255),
> description var' at line 1 Query: CREATE TABLE if not exists saved_query (id
> int GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY, name varchar(255),
> description varchar(255), query varchar(255), params_json varchar(255),
> created_at timestamp, updated_at timestamp) Parameters: []
> at
> org.apache.commons.dbutils.AbstractQueryRunner.rethrow(AbstractQueryRunner.java:363)
> ~[commons-dbutils-1.5.jar:1.5]
> at
> org.apache.commons.dbutils.QueryRunner.update(QueryRunner.java:490)
> ~[commons-dbutils-1.5.jar:1.5]
> at
> org.apache.commons.dbutils.QueryRunner.update(QueryRunner.java:420)
> ~[commons-dbutils-1.5.jar:1.5]
> at
> org.apache.lens.server.query.save.SavedQueryDao.createSavedQueryTableIfNotExists(SavedQueryDao.java:83)
> ~[classes/:na]
> ... 8 common frames omitted
> 16 Sep 2015 08:17:34 [0bd00660-d2d0-42a6-bdc6-e8b31e895da6] [main] INFO
> org.apache.lens.server.LensServices - Stopping lens server
> 16 Sep 2015 08:17:34 [0bd00660-d2d0-42a6-bdc6-e8b31e895da6] [main] INFO
> org.apache.lens.server.LensServices - Server restart is not enabled. Not
> persisting the server state
> 16 Sep 2015 08:17:34 [0bd00660-d2d0-42a6-bdc6-e8b31e895da6] [main] INFO
> org.apache.hive.service.CompositeService - Error stopping query
> java.lang.NullPointerException: null
> at
> org.apache.lens.server.query.QueryExecutionServiceImpl.stop(QueryExecutionServiceImpl.java:1129)
> ~[classes/:na]
> at
> org.apache.hive.service.CompositeService.stop(CompositeService.java:102)
> [hive-service-0.13.3-inm.jar:0.13.3-inm]
> at
> org.apache.hive.service.CompositeService.stop(CompositeService.java:92)
> [hive-service-0.13.3-inm.jar:0.13.3-inm]
> at org.apache.lens.server.LensServices.stop(LensServices.java:402)
> [classes/:na]
> at org.apache.lens.server.LensServer.main(LensServer.java:201)
> [classes/:na]
> 16 Sep 2015 08:17:34 [0bd00660-d2d0-42a6-bdc6-e8b31e895da6] [main] INFO
> org.apache.lens.server.EventServiceImpl - Removed listener
> org.apache.lens.server.metrics.MetricsServiceImpl$AsyncQueryStatusListener@3ddc6915
> 16 Sep 2015 08:17:34 [0bd00660-d2d0-42a6-bdc6-e8b31e895da6] [main] INFO
> org.apache.lens.server.metrics.MetricsServiceImpl - Stopped metrics service
> 16 Sep 2015 08:17:34 [0bd00660-d2d0-42a6-bdc6-e8b31e895da6] [main] INFO
> org.apache.lens.server.EventServiceImpl - Event service stopped
> 16 Sep 2015 08:17:34 [0bd00660-d2d0-42a6-bdc6-e8b31e895da6] [main] ERROR
> org.apache.lens.server.LensServer - Error stopping services
> java.lang.NullPointerException: null
> at org.apache.lens.server.LensServices.stop(LensServices.java:395)
> ~[classes/:na]
> at org.apache.lens.server.LensServer.main(LensServer.java:201)
> ~[classes/:na]
> {noformat}
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