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From Mike Hugo <m...@piragua.com>
Subject PSQLException: This connection has been closed.
Date Sun, 29 Jul 2018 13:05:56 GMT
Recently we started seeing this error when Manifold CF starts up.  We had
been running Manifold CF with many web connectors and a few RSS feeds for a
while and it had been working fine.  The server got rebooted and since then
we started seeing this error. I'm not sure exactly what changed.  Any ideas
as to where to start looking and how to fix this?

Thanks!

Mike


Initial repository connections already created.
Configuration file successfully read
Successfully unregistered all domains
Successfully unregistered all output connectors
Successfully unregistered all transformation connectors
Successfully unregistered all mapping connectors
Successfully unregistered all authority connectors
Successfully unregistered all repository connectors
WARNING:  there is already a transaction in progress
WARNING:  there is no transaction in progress
Successfully registered output connector
'org.apache.manifoldcf.agents.output.solr.SolrConnector'
WARNING:  there is already a transaction in progress
WARNING:  there is no transaction in progress
Successfully registered output connector
'org.apache.manifoldcf.agents.output.searchblox.SearchBloxConnector'
WARNING:  there is already a transaction in progress
WARNING:  there is no transaction in progress
Successfully registered output connector
'org.apache.manifoldcf.agents.output.opensearchserver.OpenSearchServerConnector'
WARNING:  there is already a transaction in progress
WARNING:  there is no transaction in progress
Successfully registered output connector
'org.apache.manifoldcf.agents.output.nullconnector.NullConnector'
WARNING:  there is already a transaction in progress
WARNING:  there is no transaction in progress
Successfully registered output connector
'org.apache.manifoldcf.agents.output.kafka.KafkaOutputConnector'
WARNING:  there is already a transaction in progress
WARNING:  there is no transaction in progress
Successfully registered output connector
'org.apache.manifoldcf.agents.output.hdfs.HDFSOutputConnector'
WARNING:  there is already a transaction in progress
WARNING:  there is no transaction in progress
Successfully registered output connector
'org.apache.manifoldcf.agents.output.gts.GTSConnector'
WARNING:  there is already a transaction in progress
WARNING:  there is no transaction in progress
Successfully registered output connector
'org.apache.manifoldcf.agents.output.filesystem.FileOutputConnector'
WARNING:  there is already a transaction in progress
WARNING:  there is no transaction in progress
Successfully registered output connector
'org.apache.manifoldcf.agents.output.elasticsearch.ElasticSearchConnector'
WARNING:  there is already a transaction in progress
WARNING:  there is no transaction in progress
Successfully registered output connector
'org.apache.manifoldcf.agents.output.amazoncloudsearch.AmazonCloudSearchConnector'
WARNING:  there is already a transaction in progress
WARNING:  there is no transaction in progress
Successfully registered transformation connector
'org.apache.manifoldcf.agents.transformation.tikaservice.TikaExtractor'
WARNING:  there is already a transaction in progress
LOG:  incomplete message from client
>2018-07-29 13:02:06,659 [main] ERROR org.apache.manifoldcf.root -
Exception: This connection has been closed.
org.apache.manifoldcf.core.interfaces.ManifoldCFException: This connection
has been closed.
at
org.apache.manifoldcf.core.database.DBInterfacePostgreSQL.reinterpretException(DBInterfacePostgreSQL.java:627)
~[mcf-core.jar:?]
at
org.apache.manifoldcf.core.database.DBInterfacePostgreSQL.rollbackCurrentTransaction(DBInterfacePostgreSQL.java:1296)
~[mcf-core.jar:?]
at
org.apache.manifoldcf.core.database.Database.endTransaction(Database.java:368)
~[mcf-core.jar:?]
at
org.apache.manifoldcf.core.database.DBInterfacePostgreSQL.endTransaction(DBInterfacePostgreSQL.java:1236)
~[mcf-core.jar:?]
at
org.apache.manifoldcf.crawler.system.ManifoldCF.registerConnectors(ManifoldCF.java:605)
~[mcf-pull-agent.jar:?]
at
org.apache.manifoldcf.crawler.system.ManifoldCF.reregisterAllConnectors(ManifoldCF.java:160)
~[mcf-pull-agent.jar:?]
at
org.apache.manifoldcf.jettyrunner.ManifoldCFJettyRunner.main(ManifoldCFJettyRunner.java:239)
[mcf-jetty-runner.jar:?]
Caused by: org.postgresql.util.PSQLException: This connection has been
closed.
at org.postgresql.jdbc.PgConnection.checkClosed(PgConnection.java:766)
~[postgresql-42.1.3.jar:42.1.3]
at org.postgresql.jdbc.PgConnection.createStatement(PgConnection.java:1576)
~[postgresql-42.1.3.jar:42.1.3]
at org.postgresql.jdbc.PgConnection.createStatement(PgConnection.java:367)
~[postgresql-42.1.3.jar:42.1.3]
at org.apache.manifoldcf.core.database.Database.execute(Database.java:873)
~[mcf-core.jar:?]
at
org.apache.manifoldcf.core.database.Database$ExecuteQueryThread.run(Database.java:696)
~[mcf-core.jar:?]
org.apache.manifoldcf.core.interfaces.ManifoldCFException: This connection
has been closed.
at
org.apache.manifoldcf.core.database.DBInterfacePostgreSQL.reinterpretException(DBInterfacePostgreSQL.java:627)
at
org.apache.manifoldcf.core.database.DBInterfacePostgreSQL.rollbackCurrentTransaction(DBInterfacePostgreSQL.java:1296)
at
org.apache.manifoldcf.core.database.Database.endTransaction(Database.java:368)
at
org.apache.manifoldcf.core.database.DBInterfacePostgreSQL.endTransaction(DBInterfacePostgreSQL.java:1236)
at
org.apache.manifoldcf.crawler.system.ManifoldCF.registerConnectors(ManifoldCF.java:605)
at
org.apache.manifoldcf.crawler.system.ManifoldCF.reregisterAllConnectors(ManifoldCF.java:160)
at
org.apache.manifoldcf.jettyrunner.ManifoldCFJettyRunner.main(ManifoldCFJettyRunner.java:239)
Caused by: org.postgresql.util.PSQLException: This connection has been
closed.
at org.postgresql.jdbc.PgConnection.checkClosed(PgConnection.java:766)
at org.postgresql.jdbc.PgConnection.createStatement(PgConnection.java:1576)
at org.postgresql.jdbc.PgConnection.createStatement(PgConnection.java:367)
at org.apache.manifoldcf.core.database.Database.execute(Database.java:873)
at
org.apache.manifoldcf.core.database.Database$ExecuteQueryThread.run(Database.java:696)

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