I'm attempting to insert a Cewolf/JFreeChart chart as a portlet. The portlet
is rendered and I see the output from the jsp but the images are not found.
The jar files from the cewolf distribution are in ${CATALINA_HOME}/shared/lib.
I can't find any error message in ${CATALINA_HOME}/logs or
${CATALINA_HOME}/webapps/jetspeed/logs to indicate a problem. Any suggestions
would be greatly appreciated....
default-page.psml:
<fragment id="cewolf-1" type="portlet" name="demo::CewolfPortlet">
<property layout="TwoColumns" name="row" value="3" />
<property layout="TwoColumns" name="column" value="0" />
</fragment>
cewolf.jsp:
<[EMAIL PROTECTED] contentType="text/html"%>
<[EMAIL PROTECTED] import="de.laures.cewolf.*" %>
<[EMAIL PROTECTED] uri='/WEB-INF/cewolf.tld' prefix='cewolf' %>
<HTML>
<BODY>
<H1>Page View Statistics</H1>
<HR>
<jsp:useBean id="pageViews"
class="de.laures.cewolf.example.PageViewCountData"/>
<cewolf:chart
id="line"
title="Page View Statistics"
type="line"
xaxislabel="Page"
yaxislabel="Views">
<cewolf:data>
<cewolf:producer id="pageViews"/>
</cewolf:data>
</cewolf:chart>
<p>
<cewolf:img chartid="line" renderer="cewolf" width="400" height="300"/>
<P>
</BODY>
</HTML>
portlet.xml:
<portlet id="CewolfPortlet">
<init-param>
<name>storage</name>
<value>de.laures.cewolf.storage.TransientSessionStorage</value>
</init-param>
<!-- sets overlib.js location relative to webapp -->
<init-param>
<name>overliburl</name>
<value>etc/overlib.js</value>
</init-param>
<!-- turn on or off debugging logging -->
<init-param>
<name>debug</name>
<value>true</value>
</init-param>
<init-param>
<name>ViewPage</name>
<value>/WEB-INF/cewolf.jsp</value>
</init-param>
<portlet-name>CewolfPortlet</portlet-name>
<display-name>Cewolf Portlet</display-name>
<description>Cewolf charting example</description>
<portlet-class>org.apache.portals.bridges.common.GenericServletPortlet</portlet-class>
<expiration-cache>-1</expiration-cache>
<supports>
<mime-type>text/html</mime-type>
<portlet-mode>VIEW</portlet-mode>
</supports>
</portlet>
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