Exception Error on jps page to insert into database

Good Afternoon Ladies and Gentlemen

I have a problem where i am maintaining a bespoke system that was designed by someone else. i only have a little knowledge of java. We have a jsp page (createaccounts_fast_jsp) that runs automatically during the night... the page basically looks at one database (sql) and imports/updates the data in a mysql database on another server.

Some records are inserted/updated but others are not. This is the expection error i am getting in my log file.

can anyone help me please......as i'm new to java.

java.sql.SQLException: Error reading from InputStream java.io.IOException
at com.mysql.jdbc.PreparedStatement.readblock(Prepare dStatement.java:2376)
at com.mysql.jdbc.PreparedStatement.streamToBytes(Pre paredStatement.java:2486)
at com.mysql.jdbc.PreparedStatement.fillSendPacket(Pr eparedStatement.java:2304)
at com.mysql.jdbc.PreparedStatement.executeUpdate(Pre paredStatement.java:1746)
at com.mysql.jdbc.PreparedStatement.executeUpdate(Pre paredStatement.java:1619)
at org.apache.jsp.createaccounts_fast_jsp._jspService (createaccounts_fast_jsp.java:1849)
at org.apache.jasper.runtime.HttpJspBase.service(Http JspBase.java:136)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:717)
at org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:204)
at org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:289)
at org.apache.jasper.servlet.JspServlet.service(JspSe rvlet.java:240)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:717)
at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:191)
at org.apache.catalina.authenticator.AuthenticatorBas e.invoke(AuthenticatorBase.java:558)
at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.servic e(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(H ttp11Processor.java:852)
at org.apache.coyote.http11.Http11Protocol$Http11Conn ectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run( JIoEndpoint.java:489)
at java.lang.Thread.run(Unknown Source)

i will thank you in advance.... i have been trying to work out this error for weeks now but getting no where.... please help. :-(

thank you:-?