BUG #6623: FATAL: terminating connection due to administrator command

The following bug has been logged on the website:

Bug reference: 6623
Logged by: Mueen Akhtar
Email address: mueena(at)chetu(dot)com
PostgreSQL version: 8.4.1
Operating system: Linux
Description:

Hi,
We get below error unexpectedly because my application was working proper
since one year and suddenly we are getting below error please advise:
org.postgresql.util.PSQLException: FATAL: terminating connection due to
administrator command
at
org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:1513)
at
org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1298)
at
org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:190)
at
org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:438)
at
org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:354)
at
org.postgresql.jdbc2.AbstractJdbc2Statement.executeQuery(AbstractJdbc2Statement.java:258)
at
org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:186)
at org.hibernate.loader.Loader.getResultSet(Loader.java:1787)
at org.hibernate.loader.Loader.doQuery(Loader.java:674)
at
org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236)
at org.hibernate.loader.Loader.doList(Loader.java:2220)
at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2104)
at org.hibernate.loader.Loader.list(Loader.java:2099)
at
org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1569)
at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)
at
com.chetu.carecloud.eorder.dao.daoImpl.LabOrderConnectivitiesDAOImpl.getConnectivityDetails(LabOrderConnectivitiesDAOImpl.java:34)
at
com.chetu.carecloud.eorder.StartEngine.startHL7GenerationProcess(StartEngine.java:66)
at com.chetu.carecloud.eorder.ForwardRequest.run(LabOrderService.java:181)
at java.lang.Thread.run(Thread.java:619)
WARN [2012-04-30 14:18:27,612] org.hibernate.util.JDBCExceptionReporter -
SQL Error: 0, SQLState: 57P01
ERROR [2012-04-30 14:18:27,612] org.hibernate.util.JDBCExceptionReporter -
FATAL: terminating connection due to administrator command
WARN [2012-04-30 14:18:27,612] org.hibernate.util.JDBCExceptionReporter -
SQL Error: 0, SQLState: 08006
ERROR [2012-04-30 14:18:27,612] org.hibernate.util.JDBCExceptionReporter -
An I/O error occured while sending to the backend.