If I put a stacktrace I get:

  | 
  | javax.naming.NamingException: Could not dereference object [Root exception 
is javax.naming.NameNotFoundException: MySQLDS not bound]
  |     at org.jnp.interfaces.NamingContext.resolveLink(NamingContext.java:1052)
  |     at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:685)
  |     at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:701)
  |     at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:572)
  |     at javax.naming.InitialContext.lookup(InitialContext.java:351)
  |     at MyTest.doPost(MyTest.java:33)
  |     at MyTest.doGet(MyTest.java:18)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |     at 
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |     at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
  |     at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
  |     at 
org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
  |     at 
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)
  |     at 
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
  |     at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
  |     at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
  |     at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
  |     at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
  |     at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
  |     at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
  |     at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
  |     at 
org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
  |     at java.lang.Thread.run(Thread.java:595)
  | Caused by: javax.naming.NameNotFoundException: MySQLDS not bound
  |     at org.jnp.server.NamingServer.getBinding(NamingServer.java:514)
  |     at org.jnp.server.NamingServer.getBinding(NamingServer.java:522)
  |     at org.jnp.server.NamingServer.getObject(NamingServer.java:528)
  |     at org.jnp.server.NamingServer.lookup(NamingServer.java:281)
  |     at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:610)
  |     at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:572)
  |     at javax.naming.InitialContext.lookup(InitialContext.java:351)
  |     at org.jnp.interfaces.NamingContext.resolveLink(NamingContext.java:1046)
  |     ... 27 more
  | 12:00:33,711 ERROR [[MyTest]] Servlet.service() for servlet MyTest threw 
exception
  | javax.servlet.ServletException: Could not dereference object
  |         at MyTest.doPost(MyTest.java:54)
  |         at MyTest.doGet(MyTest.java:18)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
  |         at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at 
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
  |         at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |         at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
  |         at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
  |         at 
org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
  |         at 
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)
  |         at 
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextVa
  | 
  | 


But when JBoss starts I can see:


  | 
  | 11:56:48,092 INFO  [ConnectionFactoryBindingService] Bound 
ConnectionManager 'jboss.jca:service=DataSourceBinding,name=MySqlDS' to JNDI 
name 'java:MySqlDS'
  | 
  | 

Then I really don't understand why my servlet couldn't see JNDI object.

Help, pleaaase !


J



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