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spooky
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JDiagram JSPSample is buggy
Nov 7th, 2008 at 2:02am
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I had to add (DiagramNode) to several lines.

I gave up after I got more servlet errors.

Anybody get this JSP example to even work under Tomcat 5, JDK 1.5
  
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Re: JDiagram JSPSample is buggy
Reply #1 - Nov 7th, 2008 at 8:45am
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It works fine on my system, but using apache-tomcat-6.0.16. Our developer will try this with Tomcat 5 next week.
  
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Re: JDiagram JSPSample is buggy
Reply #2 - Nov 7th, 2008 at 4:46pm
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Yes... I tried under Tomcat 6 and works but I really need it to work under Tomcat 5.

Let me know once resolved under version 5.X
  
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Re: JDiagram JSPSample is buggy
Reply #3 - Nov 10th, 2008 at 2:14pm
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We only had to change a coupe of "s to 's in this line to make it work under Tomcat 5:

<jsp:setProperty name="diagram" property="font" value='<%= new Font("Arial", Font.PLAIN, 12) %>' />

What kind of other errors are you getting - compilation or runtime ones?
  
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Re: JDiagram JSPSample is buggy
Reply #4 - Nov 10th, 2008 at 4:05pm
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Obviously it is missing an import and quite possibly reference to a JAR that I don't seem to have.
What is not clear is which jar it should be because 'setTextContent' is not being used in code.


type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: org.w3c.dom.Element.setTextContent(Ljava/lang/String;)V

org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.
java:846)

org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.ja
va:779)

org.apache.jsp.index_jsp._jspService(index_jsp.java:339)

org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)

javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)

javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


root cause

java.lang.NoSuchMethodError: org.w3c.dom.Element.setTextContent(Ljava/lang/String;)V

com.mindfusion.diagramming.XmlPersistContext.addChildElement(Unknown Source)

com.mindfusion.diagramming.XmlPersistContext.writeInt(Unknown Source)

com.mindfusion.diagramming.XmlPersistContext.writeEnum(Unknown Source)

com.mindfusion.diagramming.Diagram.a(Unknown Source)

com.mindfusion.diagramming.Diagram.saveToXml(Unknown Source)

com.mindfusion.diagramming.Diagram.saveToXml(Unknown Source)

com.mindfusion.diagramming.Diagram.saveToString(Unknown Source)

org.apache.jsp.index_jsp._jspService(index_jsp.java:314)

org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)

javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)

javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


note The full stack trace of the root cause is available in the Apache Tomcat/5.0.30 logs.
  
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Re: JDiagram JSPSample is buggy
Reply #5 - Nov 10th, 2008 at 4:48pm
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The component uses DocumentBuilderFactory.newDocumentBuilder().newDocument() to get a org.w3c.dom.Document object for XML serialization. From what I know, it might depend on your server configuration what XML library is used, and it seems the XML API configured on your system doesn't provide the Element.setTextContent method. Do you have any idea if your Tomcat copy is configured to use a specific XML library? According to our developer, setTextContent is a DOM 3 level method, and it might not be available in older XML DOM implementations ...

Stoyan
  
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Re: JDiagram JSPSample is buggy
Reply #6 - Nov 10th, 2008 at 6:22pm
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It is Tomcat 5.0.30 but I don't know what XML library if any that comes with it. It will take some time to investigate.
  
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Re: JDiagram JSPSample is buggy
Reply #7 - Nov 10th, 2008 at 8:38pm
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It worked out-of-the-box for us (after fixing the "s), using Tomcat 5.5.27, which is listed as the latest stable 5.X release at http://tomcat.apache.org/.
  
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