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javax.naming.NameNotFoundException: Name jdbc is not bound in this Context

By , 15 April 2008
javax.naming.NameNotFoundException: Name jdbc is not bound in this Context

It seems that Tomcat 5.5 and 6.0 DataSourceRealms don't like referring to JNDI resources declared in the same context. The following configuration gives me a javax.naming.NameNotFoundException:

<Context path="/">
  
  <!-- connection pool for database -->
  <Resource name="jdbc/data" auth="Container" type="javax.sql.DataSource"
            driverClassName="org.postgresql.Driver"
            url="jdbc:postgresql://localhost/test"
            username="postgres" password=""
            maxActive="5" maxIdle="2" maxWait="-1"/>

  <!-- authentication realm -->
  <Realm className="org.apache.catalina.realm.DataSourceRealm"
         dataSourceName="jdbc/data" digest="MD5"
         userTable="web_users" userRoleTable="web_user_roles"
         userNameCol="id" userCredCol="password" roleNameCol="role"/>
</Context>

However, if I move the JNDI resource up it works as expected:

<GlobalNamingResources>

  <!-- connection pool for database -->
  <Resource name="jdbc/data" auth="Container" type="javax.sql.DataSource"
            driverClassName="org.postgresql.Driver"
            url="jdbc:postgresql://localhost/test"
            username="postgres" password=""
            maxActive="5" maxIdle="2" maxWait="-1"/>
</GlobalNamingResources>
...
<Context path="/">
        
  <!-- authentication realm -->
  <Realm className="org.apache.catalina.realm.DataSourceRealm"
         dataSourceName="jdbc/data" digest="MD5"
         userTable="web_users" userRoleTable="web_user_roles"
         userNameCol="id" userCredCol="password" roleNameCol="role"/>
</Context>

Odd...

javax.naming.NameNotFoundException: Name jdbc is not bound in this Context

About Roger Keays

javax.naming.NameNotFoundException: Name jdbc is not bound in this Context

Roger Keays is an artist, an engineer, and a student of life. He has no fixed address and has left footprints on 40-something different countries around the world. Roger is addicted to surfing. His other interests are music, psychology, languages, the proper use of semicolons, and finding good food.

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Please visit https://rogerkeays.com/blog/javax.naming.namenotfoundexception-name-jdbc-is-not-bound-in-this-context to add your comments.

Comment posted by: Shekhar, 13 years ago

why it showing this type of Message

javax.naming.NameNotFoundException: Name CustomerManagerJNDI is not bound in this Context

SEVERE: Servlet.service() for servlet action threw exception
java.lang.NoClassDefFoundError: javax/ejb/EJBHome
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(Unknown Source)
    at java.security.SecureClassLoader.defineClass(Unknown Source)
    at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1817)
    at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:872)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1325)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204)
    at java.lang.ClassLoader.loadClassInternal(Unknown Source)
    at com.jlcindia.struts.delegate.SessionBeanDelegate.validateUser(SessionBeanDelegate.java:25)
    at com.jlcindia.struts.action.LoginAction.execute(LoginAction.java:29)
    at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
    at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
    at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    at java.lang.Thread.run(Unknown Source)

Comment posted by: , 16 years ago

@see tomcat-users:

Roger Keays wrote:
> Is that the intended behaviour?
Yes. If you want a realm to use a context defined datasource rather than a global one you need to set: localDataSource="true" on the realm

It is documented in the howto but not the realm docs. I'll fix that now. http://tomcat.apache.org/tomcat-6.0-doc/realm-howto.html#DataSourceRealm

Mark

grrr...