java.sql.SQLException: JZ0P1: 意外的结果类型|| 调用过程报错

  private String getEXTByProc(String interfaceType, String transCode, String busiCode, String userno, String paramStr, String ProcName)
  {
    String returnExt = "";    CallableStatement procedureStmt = null;    try
    {
      procedureStmt = this.con.prepareCall("{call " + ProcName + "(?,?,?,?,?,?)}");
      procedureStmt.setObject(1, interfaceType);
      procedureStmt.setObject(2, transCode);
      procedureStmt.setObject(3, busiCode);
      procedureStmt.setObject(4, userno);
      procedureStmt.setObject(5, paramStr);
      procedureStmt.registerOutParameter(6, 4);
      procedureStmt.executeUpdate();
------------------------------------------------------------------------------------------------------ 
CREATE PROC INTFACE_P_WEBSITE_0107
@IN_INTFACE_TYPE         VARCHAR(16),
@IN_TRANSCODE            VARCHAR(8), 
@IN_BUSI_CODE            VARCHAR(16),
@IN_USER_NO              VARCHAR(20),
@IN_PARAMS               VARCHAR(256), 
@RET_ID                  NUMERIC(14)  OUTPUT
AS
------------------------------------------------------------------------------------------------------
java.sql.SQLException: JZ0P1: 意外的结果类型。
  at com.sybase.jdbc3.jdbc.ErrorMessage.raiseError(Unknown Source)
  at com.sybase.jdbc3.jdbc.SybStatement.updateLoop(Unknown Source)
  at com.sybase.jdbc3.jdbc.SybCallableStatement.executeUpdate(Unknown Source)
  at org.jboss.resource.adapter.jdbc.WrappedPreparedStatement.executeUpdate(WrappedPreparedStatement.java:227)
  at highsoft.ws.GxService.getEXTByProc(GxService.java:129)
  at highsoft.ws.GxService.interfaceYxmisBusi(GxService.java:63)
  at sun.reflect.GeneratedMethodAccessor145.invoke(Unknown Source)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  at java.lang.reflect.Method.invoke(Method.java:324)
  at org.apache.axis.providers.java.RPCProvider.invokeMethod(RPCProvider.java:397)
  at org.apache.axis.providers.java.RPCProvider.processMessage(RPCProvider.java:186)
  at org.apache.axis.providers.java.JavaProvider.invoke(JavaProvider.java:323)
  at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
  at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118)
  at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
  at org.apache.axis.handlers.soap.SOAPService.invoke(SOAPService.java:454)
  at org.apache.axis.server.AxisServer.invoke(AxisServer.java:281)
  at org.apache.axis.transport.http.AxisServlet.doPost(AxisServlet.java:699)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  at highsoft.framework.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:159)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
  at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
  at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)
  at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
  at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
  at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
  at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
  at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
  at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
  at java.lang.Thread.run(Thread.java:534)