Hi,
I have a strange problem... I'm developing a web application (also with dbforms1.1.2 +
custom patches) on Windows2000 + JDK1.4 + Tomcat4.0.4.
On that platform, and under Linux (same JDK and Tomcat version) it works without
problems. That's fine.
The *same* application, moved on Windows XP, with JDK1.4 + Tomcat4.0.4 has got the
following problem:
when I click on html links generated by db:linkURL tag, tomcat gives this message:
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Apache Tomcat/4.0.4 - HTTP Status 500 - Internal Server Error
--------------------------------------------------------------------------------
type Exception report
message Internal Server Error
description The server encountered an internal error (Internal Server Error) that
prevented it from fulfilling this request.
exception
java.lang.NullPointerException
at org.dbforms.Controller.process(Controller.java:284)
at org.dbforms.Controller.doGet(Controller.java:103)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:190)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2347)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1027)
at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1125)
at java.lang.Thread.run(Thread.java:536)
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the URL string generated under Win2000 is EQUAL (char by char) to the URL string
generated
under WinXP. That is:
http://127.0.0.1:8080/ecom/servlet/control?ac_goto_x=t&dataac_goto_x_fu=/dispatcher.do?fwd=item&itemId=30007&dataac_goto_x_destTable=2&dataac_goto_x_destPos=0:5:30007-3:42:5
continenti in bici. 5
Continents by Bike-4:3:ar2
Any idea / deja vu / similar experience ?
Thank you in advance,
Luca
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