I'm trying to write a dv plugin that contains resource files such as images,
js, etc. I am unable to access the resources contained withing the dv
plugin jar. I've played with the PluginExample, but I can't find what I'm
missing. The layout of the jar file is this:
0 Tue Nov 21 19:17:10 EST 2006 META-INF/
71 Tue Nov 21 19:17:10 EST 2006 META-INF/MANIFEST.MF
0 Tue Nov 21 19:15:52 EST 2006 com/*
0 Tue Nov 21 19:15:52 EST 2006 org/*
...
0 Tue Nov 21 19:16:36 EST 2006 resources/abc.js
...
In the dv plugin, I attempt to access the resources using the following:
public class BasePlugin implements Plugin {
public void init(PluginConfig config) {
}
public void processRequest (PluginContext pc) throws IOException,
NoPermissionException {
HttpServletResponse response = pc.getResponse();
response.setContentType("text/html");
response.setCharacterEncoding("UTF-8");
PrintWriter writer = response.getWriter();
writer.println("<html><head>");
writer.println("<script src=\"" +
pc.getPageService().getPluginContextURL()
+ "/resources/abc.js\" type=\"text/javascript\"></script>");
writer.println("<script>");
writer.println("function onLoad() {");
...
writer.println("</script>");
writer.println("</head>");
writer.println("<body onload=\"onLoad();\"
onresize=\"onResize();\">");
...
writer.println("</body></html>");
}
...
}
No such luck. With the PluginExample, after starting a mid-tier session, I
am able to access the resource files contained within the plugin using this
url structure:
http://localhost/arsys/plugins/PluginExample/resources/images/funny.gif
When I try to do the same with my plugin, I get an ARERR3600.
The app server logs show the following:
Nov 22, 2006 4:29:20 PM - SEVERE (com.remedy.log.DVMODULE) : (Thread 15)
Exception while processing requestjava.lang.NullPointerException
at org.arswiki.dvplugin.timeline.BasePlugin.processRequest(
BasePlugin.java:64)
at com.remedy.arsys.plugincontainer.impl.PluginServlet.postPluginInfo(Unknown
Source)
at com.remedy.arsys.plugincontainer.impl.PluginContainer.doRequest(Unknown
Source)
at com.remedy.arsys.stubs.GoatHttpServlet.postInternal(Unknown Source)
at com.remedy.arsys.stubs.GoatHttpServlet.doGet(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(
StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(
StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(
StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(
ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(
StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(
CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:869)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection
(Http11BaseProtocol.java:664)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(
PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(
LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
ThreadPool.java:684)
at java.lang.Thread.run(Unknown Source)
Nov 22, 2006 4:29:20 PM - FINE (com.remedy.log.INTERNAL) : (Thread 15) Throw
Error - 3600
Any insight is appreciated.
Thanks,
Axton Grams
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