IO error while sending to backend

While executing an insert query , I recieve the
following error. I checked the mailing list archives
but they talked about connection problem and that
doesn't seem to be in my case. So , what can be the
possible reason for this?



org.postgresql.util.PSQLException: An I/O error
occured while sending to the backend.
        at
org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:214)
        at
org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:437)
        at
org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:353)
        at
org.postgresql.jdbc2.AbstractJdbc2Statement.executeUpdate(AbstractJdbc2Statement.java:307)
        at DBImage.insertImage(DBImage.java:53)
        at
FeatureDB.ExecuteQuery(FeatureParser.java:90)
        at
FeatureDB.setTablename(FeatureParser.java:31)
        at
FeatureParser.characters(FeatureParser.java:244)
        at
org.apache.crimson.parser.InputEntity.parsedContent(InputEntity.java:598)
        at
org.apache.crimson.parser.Parser2.content(Parser2.java:2010)
        at
org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1691)
        at
org.apache.crimson.parser.Parser2.content(Parser2.java:1963)
        at
org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1691)
        at
org.apache.crimson.parser.Parser2.content(Parser2.java:1963)
        at
org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1691)
        at
org.apache.crimson.parser.Parser2.parseInternal(Parser2.java:667)
        at
org.apache.crimson.parser.Parser2.parse(Parser2.java:337)
        at
org.apache.crimson.parser.XMLReaderImpl.parse(XMLReaderImpl.java:448)
        at
javax.xml.parsers.SAXParser.parse(SAXParser.java:345)
        at
javax.xml.parsers.SAXParser.parse(SAXParser.java:281)
        at FeatureParser.print(FeatureParser.java:279)
        at FeatureParser.main(FeatureParser.java:301)


Caused by: java.io.EOFException
        at
org.postgresql.core.PGStream.ReceiveChar(PGStream.java:258)
        at
org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1163)
        at
org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:188)
        ... 21 more


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