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https://issues.apache.org/jira/browse/CONNECTORS-583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13527753#comment-13527753
]
Karl Wright commented on CONNECTORS-583:
----------------------------------------
r1419249.
> MySQL locks time out and are not caught
> ---------------------------------------
>
> Key: CONNECTORS-583
> URL: https://issues.apache.org/jira/browse/CONNECTORS-583
> Project: ManifoldCF
> Issue Type: Bug
> Components: Framework core
> Affects Versions: ManifoldCF 1.0.1
> Reporter: Karl Wright
> Assignee: Karl Wright
> Fix For: ManifoldCF 1.1
>
>
> MySQL locks time out and are not caught. The SQL code is 41000. Here's the
> exception:
> 012/12/07 23:08:14 ERROR (Stuffer thread) - Stuffer thread aborting and
> restarting due to database connection reset: Database exception: SQLException
> doing query (41000): Lock wait timeout exceeded; try restarting transaction
> org.apache.manifoldcf.core.interfaces.ManifoldCFException: Database
> exception: SQLException doing query (41000): Lock wait timeout exceeded; try
> restarting transaction
> at
> org.apache.manifoldcf.core.database.Database.executeViaThread(Database.java:681)
> at
> org.apache.manifoldcf.core.database.Database.executeUncachedQuery(Database.java:709)
> at
> org.apache.manifoldcf.core.database.Database$QueryCacheExecutor.create(Database.java:1394)
> at
> org.apache.manifoldcf.core.cachemanager.CacheManager.findObjectsAndExecute(CacheManager.java:144)
> at
> org.apache.manifoldcf.core.database.Database.executeQuery(Database.java:186)
> at
> org.apache.manifoldcf.core.database.DBInterfaceMySQL.performQuery(DBInterfaceMySQL.java:882)
> at
> org.apache.manifoldcf.crawler.jobs.JobManager.fetchAndProcessDocuments(JobManager.java:2260)
> at
> org.apache.manifoldcf.crawler.jobs.JobManager.getNextDocuments(JobManager.java:2066)
> at
> org.apache.manifoldcf.crawler.system.StufferThread.run(StufferThread.java:157)
> Caused by: java.sql.SQLException: Lock wait timeout exceeded; try restarting
> transaction
> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)
> at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3609)
> at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3541)
> at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2002)
> at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2163)
> at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2624)
> at
> com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2127)
> at
> com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2293)
> at
> org.apache.manifoldcf.core.database.Database.execute(Database.java:826)
> at
> org.apache.manifoldcf.core.database.Database$ExecuteQueryThread.run(Database.java:641)
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