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An I/O error occured while sending to the backend.
org.postgresql.util.PSQLException: An I/O error occured while sendingto the backend. at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:218) at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:451) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:350) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeQuery(AbstractJdbc2Statement.java:254) at JDBCPrepStSelWhr06.getRx(JDBCPrepStSelWhr06.java:223) at JDBCPrepStSelWhr06Test.main(JDBCPrepStSelWhr06Test.java:72)Caused by: java.io.IOException: Stream closed at sun.nio.cs.StreamEncoder.ensureOpen(StreamEncoder.java:26) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:121) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:212) at org.postgresql.core.PGStream.flush(PGStream.java:507) at org.postgresql.core.v3.QueryExecutorImpl.sendSync(QueryExecutorImpl.java:676) at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:191) ... 5 more