Marco,

I checked the database kernel and it is 7.3.0.24

The problem is actually a little bit more complex. The application that
we have created works fine in one instance (running SAPDB, Apache Tomcat
4.01, Windows XP). However, for some reason it does not work on mine
(also WinXP, Apache Tomcat 4.01, SAPDB). 

When we were installing the application on my machine, we have restored
a backup copy of the working application and directly copied the Java
application to my computer. What's strange is the fact that the
application does not work when connected to my (local) SAP database.
However, it works fine when the app connects to the original SAP
database.

We are using a modified JDBC driver
(http://listserv.sap.com/pipermail/sapdb.general/2002-April/011472.html)
because none of the drivers that we found on your website were able to
call stored procedures and also retrieve a resultset from these stored
procedures. As a matter of fact, the stored procs that do not work on
some instances of SAP DB should return a resultset, but they do not.

>From the symptoms above, I am guessing that there is something wrong
with our restore procedure or the installation of the database. Please
let me know if you can help me from these notes, otherwise I'll send you
JDBC-trace and VTrace

Peter

-----Original Message-----
From: Paskamp, Marco [mailto:[EMAIL PROTECTED]] 
Sent: Tuesday, June 11, 2002 9:30 AM
To: 'Peter Vilim'; [EMAIL PROTECTED]
Subject: RE: NullPointerException after retrieving resultset from stored
procedure

Hello,
are you sure that the version of your JDBC-driver and your database
kernel
(!!!) is >= 7.3.0.24. DBProcedures with resultsets and jdbc will only
work
with the newest available version. If you use the newest version
(database
kernel and jdbc) please send me a JDBC-trace(
http://sapdb.2scale.net/moin.cgi/JdbcTrace ) and if possible a vtrace
http://sapdb.2scale.net/moin.cgi/VTrace).  

Regards,
Marco
----------------------------------------------
Marco PASKAMP
SAP DB, SAP Labs Berlin

> -----Original Message-----
> From: Paskamp, Marco 
> Sent: Dienstag, 11. Juni 2002 16:18
> To: Paskamp, Marco
> Subject: FW: NullPointerException after retrieving resultset 
> from stored
> procedure
> 
> 
> 
> -----Original Message-----
> From: Peter Vilim [mailto:[EMAIL PROTECTED]]
> Sent: Dienstag, 11. Juni 2002 16:07
> To: [EMAIL PROTECTED]
> Subject: NullPointerException after retrieving resultset from 
> stored procedure
> 
> 
> Hi all,
>  
> I'm using the latest JDBC driver for working with SAPDB. 
> After calling stored procedure from Java code I get 
> NullPointerException error. There is how my code, stored 
> procedure and error message look like. Do you have any ideas?
>  
> Stored procedure:
> CREATE DBPROC SP_COMPANY_EDIT (IN COMPANY_ID INT) RETURNS CURSOR AS
> BEGIN
> SET $CURSOR = 'MYCURSOR';
> DECLARE :$CURSOR CURSOR FOR SELECT * FROM DBA.COMPANY  WHERE 
> COMPANY_ID = :COMPANY_ID;
> END;
>  
> Java code:
> cstmt = m_conDb.prepareCall("{call SP_COMPANY_EDIT (?)}");
> cstmt.setString(1,sCompanyId);
> cstmt.execute();
> rs= cstmt.getResultSet();
> rs.next();
> CompanyListBean clbObj = new CompanyListBean();
> clbObj = getListBean (rs);
>  
> Error Code:
> java.lang.NullPointerException
>         at 
> com.synfoserv.actions.CompanyAction.companyEdit(CompanyAction.
> java:357)
>         at 
> com.synfoserv.actions.CompanyAction.perform(CompanyAction.java:52)
>         at 
> com.synfoserv.actions.ActionServlet.service(ActionServlet.java:77)
>         at 
> javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>         at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilt
> er(ApplicationFilterChain.java:247)
>         at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(Appli
> cationFilterChain.java:193)
>         at 
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardW
> rapperValve.java:243)
>         at 
> org.apache.catalina.core.StandardPipeline.invokeNext(StandardP
> ipeline.java:566)
>         at 
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> ine.java:472)
>         at 
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
>         at 
> org.apache.catalina.core.StandardContextValve.invoke(StandardC
> ontextValve.java:201)
>         at 
> org.apache.catalina.core.StandardPipeline.invokeNext(StandardP
> ipeline.java:566)
>         at 
> org.apache.catalina.valves.CertificatesValve.invoke(Certificat
> esValve.java:246)
>         at 
> org.apache.catalina.core.StandardPipeline.invokeNext(StandardP
> ipeline.java:564)
>         at 
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> ine.java:472)
>         at 
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
>         at 
> org.apache.catalina.core.StandardContext.invoke(StandardContex
> t.java:2344)
>         at 
> org.apache.catalina.core.StandardHostValve.invoke(StandardHost
> Valve.java:164)
>         at 
> org.apache.catalina.core.StandardPipeline.invokeNext(StandardP
> ipeline.java:566)
>         at 
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDi
> spatcherValve.java:170)
>         at 
> org.apache.catalina.core.StandardPipeline.invokeNext(StandardP
> ipeline.java:564)
>         at 
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReport
> Valve.java:170)
>         at 
> org.apache.catalina.core.StandardPipeline.invokeNext(StandardP
> ipeline.java:564)
>         at 
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValv
> e.java:462)
>         at 
> org.apache.catalina.core.StandardPipeline.invokeNext(StandardP
> ipeline.java:564)
>         at 
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> ine.java:472)
>         at 
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
>         at 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEn
> gineValve.java:163)
>         at 
> org.apache.catalina.core.StandardPipeline.invokeNext(StandardP
> ipeline.java:566)
>         at 
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> ine.java:472)
>         at 
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
>         at 
> org.apache.catalina.connector.http.HttpProcessor.process(HttpP
> rocessor.java:1011)
>         at 
> org.apache.catalina.connector.http.HttpProcessor.run(HttpProce
> ssor.java:1106)
>         at java.lang.Thread.run(Thread.java:536)
>  
>  
> Peter Vilim
> Application Engineer
> Synergy Information Services, Inc.
>  Email: [EMAIL PROTECTED]
> 

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