Bugs item #529931, was opened at 2002-03-14 09:53
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Category: CatalinaBundle
Group: v3.0 Rabbit Hole
Status: Open
Resolution: None
Priority: 5
Submitted By: Per Nyfelt (per_nyfelt)
Assigned to: Scott M Stark (starksm)
Summary: Java-Webstart download servlet
Initial Comment:
Using the Java WebStart jnlp-servlet.jar fails on
Jboss 3 (but worked on 2.4.0).
The jnlp-servlet.jar that is used to handle version
request in Java webStart fails because of it's
dependency on getRealPath() to cretae File references
e.g.:
// s == /app/lib
File file = new File(_servletContext.getRealPath(s));
This will faile since getRealPath() returns null
resulting in a nullpointer exception which will make
it impossible to download versioned jars.
The documentation for ServletContext says that
getRealPath will return null if the application is
packaged in a war so maybe this is a problem with the
JBoss deployer?
Here's the stackTrace :
ERROR MESSAGES/STACK TRACES THAT OCCUR :
java.lang.NullPointerException
at java.io.File.<init>(File.java:180)
at
com.sun.javaws.servlet.DownloadRequest.<init>
(DownloadRequest.java:55)
at
com.sun.javaws.servlet.JnlpDownloadServlet.handleReques
t
(JnlpDownloadServlet.java:87)
at
com.sun.javaws.servlet.JnlpDownloadServlet.doGet
(JnlpDownloadServlet.java:79)
at javax.servlet.http.HttpServlet.service
(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service
(HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationFilterChain.interna
lDoFilter
(ApplicationFilterChain.java:247)
at
org.apache.catalina.core.ApplicationFilterChain.doFilte
r
(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:2343)
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.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.proces
s
(HttpProcessor.java:1012)
at
org.apache.catalina.connector.http.HttpProcessor.run
(HttpProcessor.java:1107)
at java.lang.Thread.run(Thread.java:484)
----------------------------------------------------------------------
Comment By: Peter Brumm (pbrumm)
Date: 2002-06-07 10:40
Message:
Logged In: YES
user_id=480744
I have the same problem when I deploy my site.
I have found that it only returns null if I use the tomcat version
of jboss. If I use the jetty version everything works great and I
get a large path to my site.
----------------------------------------------------------------------
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