You have understood it perfectly. 

To work around it, I put the url with all the parameters in a variable, then ran 
include on the variable. It worked somewhat, but I got the following output:

 Title Piping and valve material specification  Doc.no. 
L-SP-200  Operator Sec.no. 6    
 Material data sheet: VC21  Project.no. Rev.no. D  Rev.date 
17.03.99  Status:  Page: 1 Of: 1 

 Title Piping and valve material specification  Doc.no. 
L-SP-200  Operator Sec.no. 6    
 Material data sheet: VC22  Project.no. Rev.no. B  Rev.date 
01.06.94  Status:  Page: 1 Of: 1 

Error: 500
Location: /xsql/tek/advanced_section_result.jsp
Internal Servlet Error:

javax.servlet.ServletException
        at 
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:459)
        at 
tek._0002ftek_0002fadvanced_0005fsection_0005fresult_0002ejspadvanced_0005fsection_0005fresult_jsp_38._jspService(_0002ftek_0002fadvanced_0005fsection_0005fresult_0002ejspadvanced_0005fsection_0005fresult_jsp_38.java:129)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at 
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:177)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:318)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:391)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
        at org.apache.tomcat.core.Handler.service(Handler.java:286)
        at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
        at 
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:797)
        at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
        at 
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:210)
        at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
        at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
        at java.lang.Thread.run(Thread.java:484)

Root cause: 
java.lang.NullPointerException
        at 
tek._0002ftek_0002fadvanced_0005fsection_0005fresult_0002ejspadvanced_0005fsection_0005fresult_jsp_38._jspService(_0002ftek_0002fadvanced_0005fsection_0005fresult_0002ejspadvanced_0005fsection_0005fresult_jsp_38.java:68)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at 
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:177)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:318)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:391)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
        at org.apache.tomcat.core.Handler.service(Handler.java:286)
        at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
        at 
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:797)
        at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
        at 
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:210)
        at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
        at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
        at java.lang.Thread.run(Thread.java:484)

Any ideas?

Terje K.

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