Hi,
I am trying to use jboss, which loads a jndi.properties file off the class
path to get some application configuration data.
This is a cut down version of what the code does;
public class Servlet1 extends javax.servlet.http.HttpServlet
{
protected void doGet(javax.servlet.http.HttpServletRequest A,
javax.servlet.http.HttpServletResponse B)
{
try {
System.getProperties().load(Thread.currentThread().getContextClassLoader().g
etResourceAsStream("jndi.properties"));
B.getWriter().println("SOME STUFF...");
B.getWriter().println("<hr>");
B.getWriter().println("<br>java.naming.provider.url="+System.getProperty("ja
va.naming.provider.url"));
B.getWriter().println("<br>java.naming.factory.initial="+System.getProperty(
"java.naming.factory.initial"));
} catch (Exception e){
e.printStackTrace();
}
}
}
When I run this servlet, I get the following error;
java.lang.NullPointerException
at java.io.Reader.<init>(Reader.java:64)
at java.io.InputStreamReader.<init>(InputStreamReader.java:89)
at java.io.InputStreamReader.<init>(InputStreamReader.java:78)
at java.util.Properties.load(Properties.java:189)
at Servlet1.doGet(Servlet1.java:9)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
at org.apache.tomcat.core.Handler.service(Handler.java:286)
at
org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
at
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:79
7)
at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
at
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection
HttpConnectionHandler.java:210)
at
org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
at
org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java
:498)
at java.lang.Thread.run(Thread.java:484)
[root@londevrbiw01 bin]# ls
[root@londevrbiw01 bin]# find ../webapps/ -name
jndi.properties
../webapps/rbi-crm-1.0-alpha/WEB-INF/lib/jndi.properties
I've tried moving the file into WEB-INF/classes and also into the tomcat lib
directory - all with the same error.
I have also tried changing the classloader line as follows;
System.getProperties().load(this.getClass().getClassLoader().getResourceAsSt
ream("jndi.properties"));
But I also get the same problem.
If I put the code into a main and run it from the command line, it works
fine - and find the jndi.properties - which points to a problem (or misue by
me) of the tomcat classloader.
Has anyone seen this problem? Got a workaround for it?
Thanks,
Chris
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