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An I/O error occured while sending to the backend.
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An I/O error occured while sending to the backend.
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An I/O error occured while sending to the backend.
org.postgresql.util.PSQLException: An I/O error occured while sending to the backend. at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:216) at org.postgresql.jdbc2.AbstractJdbc2Connection.executeTransactionCommand(AbstractJdbc2Connection.java:619) at org.postgresql.jdbc2.AbstractJdbc2Connection.commit(AbstractJdbc2Connection.java:639) at org.postgresql.jdbc2.AbstractJdbc2Connection.setAutoCommit(AbstractJdbc2Connection.java:602) at org.apache.tomcat.dbcp.dbcp.DelegatingConnection.setAutoCommit(DelegatingConnection.java:268) at org.apache.tomcat.dbcp.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.setAutoCommit(PoolingDataSource.java:293) at net.sf.hibernate.transaction.JDBCTransaction.toggleAutoCommit(JDBCTransaction.java:104) at net.sf.hibernate.transaction.JDBCTransaction.rollback(JDBCTransaction.java:95) at org.springframework.orm.hibernate.HibernateTransactionManager.doRollback(HibernateTransactionManager.java:526) at org.springframework.transaction.support.AbstractPlatformTransactionManager.processRollback(AbstractPlatformTransactionManager.java:753) at org.springframework.transaction.support.AbstractPlatformTransactionManager.rollback(AbstractPlatformTransactionManager.java:730)