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From conflue...@apache.org
Subject [CONF] Apache Connectors Framework > How to Write an Output Connector
Date Thu, 21 Oct 2010 23:02:00 GMT
Space: Apache Connectors Framework (https://cwiki.apache.org/confluence/display/CONNECTORS)
Page: How to Write an Output Connector (https://cwiki.apache.org/confluence/display/CONNECTORS/How+to+Write+an+Output+Connector)
Comment: https://cwiki.apache.org/confluence/display/CONNECTORS/How+to+Write+an+Output+Connector?focusedCommentId=24183904#comment-24183904

Comment added by Farzad:
---------------------------------------------------------------------

This one also pops up for some reason too and then the crawl really gets slow.

{noformat}
Worker thread aborting and restarting due to database connection reset: Database exception:
Exception doing query: ERROR: current transaction is aborted, commands ignored until end of
transaction block
org.apache.manifoldcf.core.interfaces.ManifoldCFException: Database exception: Exception doing
query: ERROR: current transaction is aborted, commands ignored until end of transaction block
 at org.apache.manifoldcf.core.database.Database.executeViaThread(Database.java:421)
 at org.apache.manifoldcf.core.database.Database.executeUncachedQuery(Database.java:449)
 at org.apache.manifoldcf.core.database.Database$QueryCacheExecutor.create(Database.java:1091)
 at org.apache.manifoldcf.core.cachemanager.CacheManager.findObjectsAndExecute(CacheManager.java:144)
 at org.apache.manifoldcf.core.database.Database.executeQuery(Database.java:167)
 at org.apache.manifoldcf.core.database.DBInterfacePostgreSQL.performModification(DBInterfacePostgreSQL.java:586)
 at org.apache.manifoldcf.core.database.DBInterfacePostgreSQL.performInsert(DBInterfacePostgreSQL.java:133)
 at org.apache.manifoldcf.core.database.BaseTable.performInsert(BaseTable.java:76)
 at org.apache.manifoldcf.agents.output.dupfinder.DataManager.insertData(DataManager.java:121)
 at org.apache.manifoldcf.agents.output.dupfinder.DupFinderConnector.addOrReplaceDocument(DupFinderConnector.java:78)
 at org.apache.manifoldcf.agents.incrementalingest.IncrementalIngester.addOrReplaceDocument(IncrementalIngester.java:1424)
 at org.apache.manifoldcf.agents.incrementalingest.IncrementalIngester.performIngestion(IncrementalIngester.java:409)
 at org.apache.manifoldcf.agents.incrementalingest.IncrementalIngester.documentIngest(IncrementalIngester.java:304)
 at org.apache.manifoldcf.crawler.system.WorkerThread$ProcessActivity.ingestDocument(WorkerThread.java:1586)
 at org.apache.manifoldcf.crawler.connectors.filesystem.FileConnector.processDocuments(FileConnector.java:275)
 at org.apache.manifoldcf.crawler.connectors.BaseRepositoryConnector.processDocuments(BaseRepositoryConnector.java:423)
 at org.apache.manifoldcf.crawler.system.WorkerThread.run(WorkerThread.java:585)
Caused by: org.postgresql.util.PSQLException: ERROR: current transaction is aborted, commands
ignored until end of transaction block
 at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:1548)
 at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1316)
 at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:191)
 at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:452)
 at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:351)
 at org.postgresql.jdbc2.AbstractJdbc2Statement.executeUpdate(AbstractJdbc2Statement.java:305)
 at org.apache.manifoldcf.core.database.Database.execute(Database.java:566)
 at org.apache.manifoldcf.core.database.Database$ExecuteQueryThread.run(Database.java:381)
{noformat}


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