Re: jFreeChart, Cewolf tag library, OS/400, Tomcat

Patrick,

What other problems did you get? This is something im looking at doing when
we go up to V5R2

Cheers
Colin.W

-----Original Message-----
From: Patrick L Archibald [mailto:Patrick.Archibald@xxxxxxxxxxxxx] Sent: 09 February 2004 14:55
To: Java Programming on and around the iSeries / AS400
Subject: Re: jFreeChart, Cewolf tag library, OS/400, Tomcat


Colin

I got the properties to take. It just caused other problems. I'm thinking I need to install: iSeries Tools for Developers PRPQ (5799PTL) before I can turn the properties for awt on. All the jFreeChart software is doing is building a PNG graphic that is displayed via the Cewolf jsp tags. It is a shame the AS/400 is requiring all this extra attention.

Thanx, PLA



Colin Williams wrote:

Patrick,

You've probably already spotted that your properties arent getting picked up. Im sure there is a way to override the properties without setting them at the system level.

I presume you have to set these before you start the JVM, so I would think you could pass these as arguments to the JVM.

Cheers
Colin.W

-----Original Message-----
From: Patrick L Archibald [mailto:Patrick.Archibald@xxxxxxxxxxxxx]
Sent: 09 February 2004 14:37
To: JAVA400-L@xxxxxxxxxxxx
Subject: jFreeChart, Cewolf tag library, OS/400, Tomcat

Hi

Has anyone seen the stack trace below before? Do you know what it means?
I've developed some Tomcat 4.1.24 jsp pages that display charts using jFreeChart and Cewolf tag library. It all works on my PC but fails on the AS/400 with the message below. I've tried setting os400.awt.native=true or java.awt.headless=true in my /qibm/userdata/java400/SystemDefault.properties file but it causes other problems. I'm at V5R2 jdk 1.4.


Thanx, PLA



org.apache.jasper.JasperException: AWT class or API used without
specifying property os400.awt.native=true or java.awt.headless=true
at java/lang/Throwable.<init>(Throwable.java:195)
at java/lang/Exception.<init>(Exception.java:41)
at javax/servlet/ServletException.<init>(ServletException.java:161)
at org/apache/jasper/JasperException.<init>(JasperException.java:88)
at org/apache/jasper/servlet/JspServletWrapper.service(JspServletWrapper.java:

1

77)
at org/apache/jasper/servlet/JspServlet.serviceJspFile(JspServlet.java:270)
at org/apache/jasper/servlet/JspServlet.service(JspServlet.java:200)
at javax/servlet/http/HttpServlet.service(HttpServlet.java:848)
at org/apache/catalina/core/ApplicationFilterChain.internalDoFilter(Applicatio

n

FilterChain.java:201)
at org/apache/catalina/core/ApplicationFilterChain.doFilter(ApplicationFilterC

h

ain.java:168)
at org/apache/catalina/core/StandardWrapperValve.invoke(StandardWrapperValve.j

a

va:167)
at org/apache/catalina/core/StandardPipeline$StandardPipelineValveContext.invo

k

eNext(StandardPipeline.java:636)
at org/apache/catalina/core/StandardPipeline.invoke(StandardPipeline.java:480)
at

org/apache/catalina/core/ContainerBase.invoke(ContainerBase.java:995)

at org/apache/catalina/core/StandardContextValve.invoke(StandardContextValve.j

a

va:153)
at org/apache/catalina/core/StandardPipeline$StandardPipelineValveContext.invo

k

eNext(StandardPipeline.java:636)
at org/apache/catalina/core/StandardPipeline.invoke(StandardPipeline.java:480)
at

org/apache/catalina/core/ContainerBase.invoke(ContainerBase.java:995)

at org/apache/catalina/core/StandardContext.invoke(StandardContext.java:2395)
at org/apache/catalina/core/StandardHostValve.invoke(StandardHostValve.java:14

8

)
at org/apache/catalina/core/StandardPipeline$StandardPipelineValveContext.invo

k

eNext(StandardPipeline.java:636)
at org/apache/catalina/valves/ErrorDispatcherValve.invoke(ErrorDispatcherValve

.

java:171)
at org/apache/catalina/core/StandardPipeline$StandardPipelineValveContext.invo

k

eNext(StandardPipeline.java:636)
at org/apache/catalina/valves/ErrorReportValve.invoke(ErrorReportValve.java:17

2

)
at org/apache/catalina/core/StandardPipeline$StandardPipelineValveContext.invo

k

eNext(StandardPipeline.java:636)
at org/apache/catalina/core/StandardPipeline.invoke(StandardPipeline.java:480)
at

org/apache/catalina/core/ContainerBase.invoke(ContainerBase.java:995)

at org/apache/catalina/core/StandardEngineValve.invoke(StandardEngineValve.jav

a

:146)
at org/apache/catalina/core/StandardPipeline$StandardPipelineValveContext.invo

k

eNext(StandardPipeline.java:636)
at org/apache/catalina/core/StandardPipeline.invoke(StandardPipeline.java:480)
at

org/apache/catalina/core/ContainerBase.invoke(ContainerBase.java:995)

at org/apache/ajp/tomcat4/Ajp13Processor.process(Ajp13Processor.java:361)
at org/apache/ajp/tomcat4/Ajp13Processor.run(Ajp13Processor.java:570)
at java/lang/Thread.run(Thread.java:534)



Here are some links to the products I'm using:

http://jfree.org/jfreechart/index.html

http://cewolf.sourceforge.net/

Thanx, PLA



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