[jboss-user] [EJB 3.0] - Re: NullPointerException in jboss calculator example
haplo_3
do-not-reply at jboss.com
Tue Oct 10 06:02:48 EDT 2006
i manage to isolate the problem
when i'm trying to run my jsp jboss says
18:06:37,901 ERROR [STDERR] javax.naming.NameNotFoundException: EJB3Trail not bound
18:06:37,903 ERROR [STDERR] at org.jnp.server.NamingServer.getBinding(NamingServer.java:529)
18:06:37,904 ERROR [STDERR] at org.jnp.server.NamingServer.getBinding(NamingServer.java:537)
18:06:37,905 ERROR [STDERR] at org.jnp.server.NamingServer.getObject(NamingServer.java:543)
18:06:37,907 ERROR [STDERR] at org.jnp.server.NamingServer.lookup(NamingServer.java:267)
18:06:37,908 ERROR [STDERR] at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:625)
18:06:37,909 ERROR [STDERR] at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:587)
18:06:37,911 ERROR [STDERR] at javax.naming.InitialContext.lookup(InitialContext.java:351)
18:06:37,912 ERROR [STDERR] at org.apache.jsp.my_002dapps.C_jsp._jspService(C_jsp.java:67)
18:06:37,913 ERROR [STDERR] at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
18:06:37,915 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
18:06:37,916 ERROR [STDERR] at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
18:06:37,917 ERROR [STDERR] at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
18:06:37,919 ERROR [STDERR] at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
18:06:37,920 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
18:06:37,921 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
18:06:37,921 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
18:06:37,922 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
18:06:37,923 ERROR [STDERR] at java.lang.reflect.Method.invoke(Method.java:585)
18:06:37,924 ERROR [STDERR] at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:243)
18:06:37,924 ERROR [STDERR] at java.security.AccessController.doPrivileged(Native Method)
18:06:37,926 ERROR [STDERR] at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
18:06:37,926 ERROR [STDERR] at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:275)
18:06:37,927 ERROR [STDERR] at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:161)
18:06:37,928 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:245)
18:06:37,929 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:50)
18:06:37,929 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:156)
18:06:37,929 ERROR [STDERR] at java.security.AccessController.doPrivileged(Native Method)
18:06:37,931 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:152)
18:06:37,932 ERROR [STDERR] at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
18:06:37,932 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
18:06:37,932 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
18:06:37,933 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
18:06:37,935 ERROR [STDERR] at java.lang.reflect.Method.invoke(Method.java:585)
18:06:37,935 ERROR [STDERR] at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:243)
18:06:37,935 ERROR [STDERR] at java.security.AccessController.doPrivileged(Native Method)
18:06:37,936 ERROR [STDERR] at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
18:06:37,936 ERROR [STDERR] at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:275)
18:06:37,936 ERROR [STDERR] at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:217)
18:06:37,938 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:197)
18:06:37,939 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:50)
18:06:37,939 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:156)
18:06:37,939 ERROR [STDERR] at java.security.AccessController.doPrivileged(Native Method)
18:06:37,940 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:152)
18:06:37,940 ERROR [STDERR] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
18:06:37,940 ERROR [STDERR] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
18:06:37,943 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
18:06:37,943 ERROR [STDERR] at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
18:06:37,943 ERROR [STDERR] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
18:06:37,944 ERROR [STDERR] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
18:06:37,944 ERROR [STDERR] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
18:06:37,944 ERROR [STDERR] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
18:06:37,947 ERROR [STDERR] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
18:06:37,947 ERROR [STDERR] at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
18:06:37,947 ERROR [STDERR] at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
18:06:37,948 ERROR [STDERR] at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
18:06:37,948 ERROR [STDERR] at java.lang.Thread.run(Thread.java:595)
im not crazy jboss deploy EJB3Trail
-------------------------------------------------
18:04:27,103 INFO [EARDeployer] Init J2EE application: file:/usr/jboss-4.0.4.GA/server/default/deploy/EJB3Trail.ear
18:04:28,422 INFO [TomcatDeployer] deploy, ctxPath=/EJB3Trail, warUrl=.../tmp/deploy/tmp5401EJB3Trail.ear-contents/web-exp.war/
18:04:29,659 INFO [EARDeployer] Started J2EE application: file:/usr/jboss-4.0.4.GA/server/default/deploy/EJB3Trail.ear
--------------------------------------------------------------------------
my jsp code is
-----------------------
<%@ page import="trail.sfsb.*,
javax.naming.*,
java.text.*,
java.util.ArrayList"%>
<%!
private NumberFormat nf = null;
public void jspInit () {
nf = NumberFormat.getInstance();
nf.setMaximumFractionDigits(2);
}
%>
<%
Calculator cal =
(Calculator) session.getAttribute("sfsb_cal");
if (cal == null) {
System.out.println(cal);
try {
InitialContext ctx = new InitialContext();
cal = (Calculator) ctx.lookup("EJB3Trail/StatefulCalculator/local");
session.setAttribute ("sfsb_cal", cal);
} catch (Exception e) {
e.printStackTrace ();
}
}
%>
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