javax.naming.NameNotFoundException: remote not bound
Hi!
I have a problem inconection with this error message.
I'm new in ejb3, and i've desided that i try to make the RUBiS (http://rubis.objectweb.org) project with enterprise beans in ejb3.
I have the following problem:
If there is the @PersistenceContext(unitName="rubis") annotation in the BrowseRegionBean.java, I get the following error messeage:
09:59:47,781 ERROR [STDERR] javax.naming.NameNotFoundException: remote not bound 09:59:47,781 ERROR [STDERR] at org.jnp.server.NamingServer.getBinding(NamingServer.java:529) 09:59:47,781 ERROR [STDERR] at org.jnp.server.NamingServer.getBinding(NamingServer.java:537) 09:59:47,781 ERROR [STDERR] at org.jnp.server.NamingServer.getObject(NamingServer.java:543) 09:59:47,781 ERROR [STDERR] at org.jnp.server.NamingServer.lookup(NamingServer.java:296) 09:59:47,781 ERROR [STDERR] at org.jnp.server.NamingServer.lookup(NamingServer.java:270) 09:59:47,781 ERROR [STDERR] at org.jnp.server.NamingServer.lookup(NamingServer.java:270) 09:59:47,781 ERROR [STDERR] at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:625) 09:59:47,781 ERROR [STDERR] at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:587) 09:59:47,781 ERROR [STDERR] at javax.naming.InitialContext.lookup(Unknown Source) 09:59:47,781 ERROR [STDERR] at org.apache.jsp.browseRegion_jsp.jspInit(org.apache.jsp.browseRegion_jsp:26) 09:59:47,781 ERROR [STDERR] at org.apache.jasper.runtime.HttpJspBase.init(HttpJspBase.java:78) 09:59:47,781 ERROR [STDERR] at org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:145) 09:59:47,781 ERROR [STDERR] at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:305) 09:59:47,781 ERROR [STDERR] at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314) 09:59:47,781 ERROR [STDERR] at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264) 09:59:47,781 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 09:59:47,781 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) 09:59:47,781 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 09:59:47,781 ERROR [STDERR] at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) 09:59:47,781 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 09:59:47,781 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 09:59:47,781 ERROR [STDERR] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) 09:59:47,781 ERROR [STDERR] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) 09:59:47,781 ERROR [STDERR] at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:54) 09:59:47,781 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:174) 09:59:47,781 ERROR [STDERR] at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) 09:59:47,781 ERROR [STDERR] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) 09:59:47,781 ERROR [STDERR] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) 09:59:47,781 ERROR [STDERR] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) 09:59:47,781 ERROR [STDERR] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) 09:59:47,781 ERROR [STDERR] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:868) 09:59:47,781 ERROR [STDERR] at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:663) 09:59:47,781 ERROR [STDERR] at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) 09:59:47,781 ERROR [STDERR] at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) 09:59:47,781 ERROR [STDERR] at java.lang.Thread.run(Unknown Source)
if i put it to comment, the javax.naming.NameNotFoundException is disappear, but in this case I get the following msg:
10:52:04,000 ERROR [STDERR] java.rmi.RemoteException: Failed to executeQuery java.lang.NullPointerException 10:52:04,000 ERROR [STDERR] at edu.rice.rubis.beans.Session.BrowseRegionBean.getRegions(BrowseRegionBean.java:47) ...
I know why I get the last message, bud I don't know how I can solve this problem
Please help me,
Thanks
there are the codes:
BrowseRegion.java
@Remote
public interface BrowseRegion {
/**
* Get all the regions from the database.
*
* @return a string that is the list of regions in html format
* @since 1.1
*/
public String getRegions() throws RemoteException;
/**
* Region related printed functions
*
* @param name the name of the region to display
* @return a string in html format
* @since 1.1
*/
public String printRegion(String name) throws remoteException;
BrowseRegionBean.java
public @Stateless class BrowseRegionBean implements BrowseRegion {
@PersistenceContext(unitName="rubis")
private EntityManager em;
/**
* Get all the regions.
*
* @return a string that is the list of regions in html format
* @since 1.1
*/
public String getRegions() throws RemoteException
{
Collection <Region> rs = null;
StringBuffer html = new StringBuffer();
try
{
rs = em.createQuery("from Region r").getResultList();
}
catch (Exception e)
{
throw new RemoteException("Failed to executeQuery " +e);
}
try
{
for (Iterator iter = rs.iterator(); iter.hasNext();)
{
Region r = (Region) iter.next();
html.append(printRegion(r.getName()));
}
}
catch (Exception e)
{
throw new RemoteException("Failed to get the list of regions" +e);
}
return html.toString();
}
/**
* Region related printed functions
*
* @param name the name of the region to display
* @return a string in html format
* @since 1.1
*/
public String printRegion(String name) throws RemoteException
{
return "<a href=\""+BeanConfig.context+"/browseCategories.jsp?type=regio"+"®ion="+URLEncoder.encode(name)+"\">"+name+"</a><br>\n";
}
}
browseRegion.jsp
... InitialContext ctx = new InitialContext(); cal = (BrowseRegion) ctx.lookup( "RubisBeanEAR/BrowseRegionBean/remote"); ...