I have J2EE Reference Implementation running on Linux (RH 6.1), using
the Sun jdk1.2.2. I tried several EJB examples, and everything seemed
fine, until I tried running the Pet Store demo. It deploys, and the
main page comes up fine, but no other page will display. I am getting
an exception from the tag library. Here is the trace from the j2ee log:
-----------------------------------
java.lang.NullPointerException
at java.util.Hashtable.put(Hashtable.java:377)
at org.apache.tomcat.core.Request.setAttribute(Request.java:183)
at
org.apache.tomcat.core.HttpServletRequestFacade.setAttribute(HttpServ
letRequestFacade.java:110)
at
org.apache.tomcat.core.ServletWrapper.handleException(ServletWrapper.
java:457)
at
org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.ja
va:383)
at
org.apache.tomcat.core.RequestDispatcherImpl.include(RequestDispatche
rImpl.java:215)
at com.sun.estore.taglib.InsertTag.doEndTag(InsertTag.java:67)
at
_0002ftemplate_0002ejsptemplate_jsp_3._jspService(_0002ftemplate_0002
ejsptemplate_jsp_3.java:3499)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:130)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:868)
at
org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(JspSer
vlet.java:159)
at
org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:2
at
org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java:373)
at
org.apache.tomcat.core.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:134)
at
_0002fcontrolcontrol_jsp_3._jspService(_0002fcontrolcontrol_jsp_3.java:154)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:130)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:868)
at
org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(JspServlet.java:159)
at
org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:243)
at
org.apache.jasper.runtime.JspServlet.service(JspServlet.java:348)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:868)
at
org.apache.tomcat.core.ServiceInvocationHandler.method(ServletWrapper.java:621)
at
org.apache.tomcat.core.ServletWrapper.handleInvocation(ServletWrapper.java:529)
at
org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java:373)
at
org.apache.tomcat.core.Context.handleRequest(Context.java:648)
at
org.apache.tomcat.server.ConnectionHandler.run(ConnectionHandler.java:205)
---------------------
Am I missing something, or is there a newer version (this is from about
a month ago)? I've tried rebuilding from source and redeploying, and
I've looked at the code for signs of obvious breakage.
Any ideas?
Thanks.
John Collins
University of Minnesota
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