1 Reply Latest reply on Aug 25, 2011 11:07 AM by prasad.deshpande

JBoss AS 7.0.1 JNDI bug

dahm Aug 25, 2011 6:46 AM

Hi,

I wrote a little utility MBean in our application for debugging purposes that lists the JNDI-Tree. It's basically is a simple replacement

for the old JNDI-View MBean of earlier JBosses.

In a nutshell it does the following:

Context context = new InitialContext();

for (final NamingEnumeration<NameClassPair> enumeration = context.list(""); enumeration.hasMoreElements();) {
        final NameClassPair pair = enumeration.nextElement();
        result.add(pair);
}

... some recursion and printlns...

This worked just fine in JBoss 7.0.0. which would print something like:

12:26:35,180 INFO  [com.meyle.deva.administration.JNDITree] (RMI TCP Connection(3)-127.0.0.1) Context:  /
-->app: javax.naming.Reference X (Failed to get context with name app)
-->comp: javax.naming.Reference X (Failed to get context with name comp)
-->module: javax.naming.Reference X (Failed to get context with name module)
-->global: javax.naming.Reference /
    -->devA: javax.naming.Context /
        -->ProduktGruppeServiceBean!com.meyle.deva.artikel.ProduktGruppeService: org.jboss.as.naming.context.ModularReference X (devA/ProduktGruppeServiceBean!com.meyle.deva.artikel.ProduktGruppeService)
        -->ArtikelProzessDaoBean!com.meyle.deva.dao.ArtikelProzessDao: org.jboss.as.naming.context.ModularReference X (devA/ArtikelProzessDaoBean!com.meyle.deva.dao.ArtikelProzessDao)
        -->DevaTestEnvironmentSetupBean: org.jboss.as.naming.context.ModularReference X (devA/DevaTestEnvironmentSetupBean)
        -->ArtikelBeschreibungDaoBean!com.meyle.deva.dao.ArtikelBeschreibungDao: org.jboss.as.naming.context.ModularReference X (devA/ArtikelBeschreibungDaoBean!com.meyle.deva.dao.ArtikelBeschreibungDao)
        -->ArtikelDaoBean!com.meyle.deva.dao.ArtikelDao: org.jboss.as.naming.context.ModularReference X (devA/ArtikelDaoBean!com.meyle.deva.dao.ArtikelDao)
        -->KomponenteDaoBean!com.meyle.deva.dao.KomponenteDao: org.jboss.as.naming.context.ModularReference X (devA/KomponenteDaoBean!com.meyle.deva.dao.KomponenteDao)
        -->ZubehoerDaoBean!com.meyle.deva.dao.ZubehoerDao: org.jboss.as.naming.context.ModularReference X (devA/ZubehoerDaoBean!com.meyle.deva.dao.ZubehoerDao)
        -->ProduktGruppeDaoBean: org.jboss.as.naming.context.ModularReference X (devA/ProduktGruppeDaoBean)
        -->ZubehoerDaoBean: org.jboss.as.naming.context.ModularReference X (devA/ZubehoerDaoBean)
        -->FirmaServiceBean: org.jboss.as.naming.context.ModularReference X (devA/FirmaServiceBean)
        -->JndiView!com.meyle.deva.administration.JndiViewMBean: org.jboss.as.naming.context.ModularReference X (devA/JndiView!com.meyle.deva.administration.JndiViewMBean)
        -->FirmaDaoBean!com.meyle.deva.dao.FirmaDao: org.jboss.as.naming.context.ModularReference X (devA/FirmaDaoBean!com.meyle.deva.dao.FirmaDao)
        -->ArtikelBeschreibungDaoBean: org.jboss.as.naming.context.ModularReference X (devA/ArtikelBeschreibungDaoBean)
        -->ProduktGruppeDaoBean!com.meyle.deva.dao.ProduktGruppeDao: org.jboss.as.naming.context.ModularReference X (devA/ProduktGruppeDaoBean!com.meyle.deva.dao.ProduktGruppeDao)
        -->JndiView: org.jboss.as.naming.context.ModularReference X (devA/JndiView)
        -->ArtikelDaoBean: org.jboss.as.naming.context.ModularReference X (devA/ArtikelDaoBean)
        -->ArtikelProzessManagementServiceBean!com.meyle.deva.processmanagement.ArtikelProzessManagementService: org.jboss.as.naming.context.ModularReference X (devA/ArtikelProzessManagementServiceBean!com.meyle.deva.processmanagement.ArtikelProzessManagementService)
        -->ArtikelProzessDaoBean: org.jboss.as.naming.context.ModularReference X (devA/ArtikelProzessDaoBean)
        -->ArtikelServiceBean!com.meyle.deva.artikel.ArtikelService: org.jboss.as.naming.context.ModularReference X (devA/ArtikelServiceBean!com.meyle.deva.artikel.ArtikelService)
        -->DevaTestEnvironmentSetupBean!com.meyle.deva.bootstrap.DevaTestEnvironmentSetupBean: org.jboss.as.naming.context.ModularReference X (devA/DevaTestEnvironmentSetupBean!com.meyle.deva.bootstrap.DevaTestEnvironmentSetupBean)
        -->ArtikelServiceBean: org.jboss.as.naming.context.ModularReference X (devA/ArtikelServiceBean)
        -->FirmaServiceBean!com.meyle.deva.artikel.FirmaService: org.jboss.as.naming.context.ModularReference X (devA/FirmaServiceBean!com.meyle.deva.artikel.FirmaService)
        -->ArtikelProzessManagementServiceBean: org.jboss.as.naming.context.ModularReference X (devA/ArtikelProzessManagementServiceBean)
        -->KomponenteDaoBean: org.jboss.as.naming.context.ModularReference X (devA/KomponenteDaoBean)
        -->ProduktGruppeServiceBean: org.jboss.as.naming.context.ModularReference X (devA/ProduktGruppeServiceBean)
        -->FirmaDaoBean: org.jboss.as.naming.context.ModularReference X (devA/FirmaDaoBean)
-->jboss: javax.naming.Reference /
    -->jaas: org.jboss.as.naming.context.ModularReference X (jaas)
    -->TransactionManager: org.jboss.as.naming.context.ModularReference X (TransactionManager)
    -->datasources: javax.naming.Context /
        -->Meyle-devA-DS: org.jboss.as.naming.context.ModularReference X (datasources/Meyle-devA-DS)
        -->ExampleDS: org.jboss.as.naming.context.ModularReference X (datasources/ExampleDS)
    -->infinispan: javax.naming.Context /
        -->hibernate: org.jboss.as.naming.context.ModularReference X (infinispan/hibernate)
    -->TransactionSynchronizationRegistry: org.jboss.as.naming.context.ModularReference X (TransactionSynchronizationRegistry)

In JBoss 7.0.1 nothing is printed!

12:28:35,499 INFO  [com.meyle.deva.administration.JNDITree] (RMI TCP Connection(3)-127.0.0.1) Context: 
12:28:35,503 INFO  [com.meyle.deva.administration.JNDITree] (RMI TCP Connection(3)-127.0.0.1) Context:  /

Even an explicit context such as "global:" results in an error:

12:38:36,552 INFO  [com.meyle.deva.administration.JNDITree] (RMI TCP Connection(3)-127.0.0.1) Context: global:
12:38:36,552 INFO  [com.meyle.deva.administration.JNDITree] (RMI TCP Connection(3)-127.0.0.1) Context:  X (Name 'global:' not found in context '')

Explicit lookups in contexts I know of (since the application would not work otherwise...) seem to work:

java:jboss/datasources

12:44:16,395 INFO  [com.meyle.deva.administration.JNDITree] (RMI TCP Connection(4)-127.0.0.1) Context:  /
-->Meyle-devA-DS: org.jboss.as.naming.context.ModularReference X (datasources/Meyle-devA-DS)
-->ExampleDS: org.jboss.as.naming.context.ModularReference X (datasources/ExampleDS)

What went wrong here?

Cheers

Markus

1. Re: JBoss AS 7.0.1 JNDI bug

prasad.deshpande Aug 25, 2011 11:07 AM (in response to dahm)
From 7.0.1 onwards there are going to be only 5 namesspaces, "java:comp/", "java:global/", "java:app/", "java:module/" & "java:jboss/". Have a look at http://lists.jboss.org/pipermail/jboss-as7-dev/2011-July/002890.html.

Markus Dahm wrote:
Context context = new InitialContext(); for (final NamingEnumeration<NameClassPair> enumeration = context.list(""); enumeration.hasMoreElements();) { final NameClassPair pair = enumeration.nextElement(); result.add(pair); } ... some recursion and printlns...

To get listing, you'll need to provide initial namespace like "java:global/" etc.. for either/all 5.

Even an explicit context such as "global:" results in an error:

12:38:36,552 INFO [com.meyle.deva.administration.JNDITree] (RMI TCP Connection(3)-127.0.0.1) Context: global: 12:38:36,552 INFO [com.meyle.deva.administration.JNDITree] (RMI TCP Connection(3)-127.0.0.1) Context: X (Name 'global:' not found in context '')

this is because there is nothing suhc as "global:", if you need global namespace use "java:global/".

Explicit lookups in contexts I know of (since the application would not work otherwise...) seem to work:

java:jboss/datasources 12:44:16,395 INFO [com.meyle.deva.administration.JNDITree] (RMI TCP Connection(4)-127.0.0.1) Context: / -->Meyle-devA-DS: org.jboss.as.naming.context.ModularReference X (datasources/Meyle-devA-DS) -->ExampleDS: org.jboss.as.naming.context.ModularReference X (datasources/ExampleDS)

Again, have alook at http://lists.jboss.org/pipermail/jboss-as7-dev/2011-July/002890.html. Rules clearly answers reason behind "java:jboss/" working.
Actions