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Failure to Instantiate DnsContextFactory
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created by <a href="http://community.jboss.org/people/shelleyb">Shelley Baker</a> in <i>JBoss AS7 Development</i> - <a href="http://community.jboss.org/message/619522#619522">View the full discussion</a>
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<div class="jive-rendered-content"><p>When attempting to create a new <tt>InitialDirContext</tt> using the <tt>com.sun.jndi.dns.DnsContextFactory</tt>, the following exception occurs:</p><pre style="background: #EFEFEF; margin-top: 1em;">Caused by: javax.naming.NamingException: Failed instantiate InitialContextFactory com.sun.jndi.dns.DnsContextFactory from classloader ModuleClassLoader for Module "deployment.test-case.ear.test-web.war:main" from Service Module Loader
        at org.jboss.as.naming.InitialContextFactoryBuilder.createInitialContextFactory(InitialContextFactoryBuilder.java:58)
        at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:664) [:1.6.0_26]
        at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:288) [:1.6.0_26]
        at javax.naming.InitialContext.init(InitialContext.java:223) [:1.6.0_26]
        at javax.naming.InitialContext.(InitialContext.java:197) [:1.6.0_26]
        at javax.naming.directory.InitialDirContext.(InitialDirContext.java:82) [:1.6.0_26]
        at com.test.messaging.internal.resource.dns.DnsClientImpl.querySrv(DnsClientImpl.java:328) [dns-lookup-jar.jar:]
        ...
16:36:36,000 ERROR [org.apache.catalina.core.StandardContext] (MSC service thread 1-5) Error listenerStart
16:36:36,013 ERROR [org.apache.catalina.core.StandardContext] (MSC service thread 1-5) Context [/test] startup failed due to previous errors
16:36:36,023 INFO  [org.jboss.web] (MSC service thread 1-5) registering web context: /test
</pre><p style="margin-top: 1em;">Here is my relevant code snippet:</p><pre class="jive-pre"><code class="jive-code jive-java">Hashtable env = <font color="navy"><b>new</b></font> Hashtable();
env.put(<font color="red">"java.naming.factory.initial"</font>, <font color="red">"com.sun.jndi.dns.DnsContextFactory"</font>);
env.put(<font color="red">"java.naming.authoritative"</font>, <font color="red">"false"</font>);
env.put(<font color="red">"com.sun.jndi.dns.recursion"</font>, <font color="red">"true"</font>);
env.put(<font color="red">"com.sun.jndi.dns.timeout.initial"</font>, timeoutProp);
env.put(<font color="red">"com.sun.jndi.dns.timeout.retries"</font>, <font color="red">"1"</font>);
env.put(<font color="red">"java.naming.provider.url"</font>, providerProp);
DirContext ctx = <font color="navy"><b>new</b></font> InitialDirContext(env);
</code></pre><p style="margin-top: 1em;">I found <a class="jive-link-message-small" href="http://community.jboss.org/message/608523#608523">this thread</a> which seemed very similar to the problem that I am running into, but setting the "<tt>jboss.modules.system.pkgs</tt>" property to "<tt>com.sun.jndi.dns</tt>" had no effect.</p><p style="margin-top: 1em;">I'm running JBoss AS 7.0.0.Final, using the 1.6.0_26 JRE.</p><p style="margin-top: 1em;">Any suggestions on how to resolve this problem would be greatly appreciated.</p></div>
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