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From David Blevins <david.blev...@visi.com>
Subject Re: Remote EJB Connect - Initial Context, host unknown Exception
Date Tue, 20 May 2008 17:05:16 GMT
On May 16, 2008, at 10:39 AM, ApolloX wrote:

>
> I'm trying to setup an EJB connection to a remote server but am  
> getting a
> host unknown exception.  I tried setting it to the local server itself
> (127.0.0.1) but the exception is the same regardless.
>
> final Properties properties = new Properties();
> properties 
> .setProperty 
> (Context 
> .INITIAL_CONTEXT_FACTORY 
> ,"org.apache.openejb.client.RemoteInitialContextFactory");
> properties.setProperty(Context.PROVIDER_URL, "ejbd://127.0.0.1:4201");
> properties.setProperty(Context.SECURITY_PRINCIPAL, "system");
> properties.setProperty(Context.SECURITY_CREDENTIALS, "----");
> final Context context = new InitialContext(properties);
>
> generates the following error:
>
> javax.naming.ConfigurationException: Invalid provider
> URL:ejbd://127.0.0.1:4201: host unknown: ejbd: ejbd
> 	at
> org 
> .apache 
> .openejb.client.JNDIContext.getInitialContext(JNDIContext.java:158)
> 	at  
> javax.naming.spi.NamingManager.getInitialContext(NamingManager.java: 
> 662)
> 	at  
> javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:243)
> 	at javax.naming.InitialContext.init(InitialContext.java:219)
> 	at javax.naming.InitialContext.<init>(InitialContext.java:195)
>        ...
>
> Is this just a server configuration issue, a jar/classpath issue, or
> something else?  I've checked the config.xml file and the open ejb  
> service
> is defined on port 4201 although I don't see it running in the admin
> console.
>
> Any suggestions?  I'm using G1 although I'd imagine the problem I'm  
> having
> would be in G2 as well.

In G1 you must leave the prefix off as such:

final Properties properties = new Properties();
properties 
.setProperty 
(Context 
.INITIAL_CONTEXT_FACTORY 
,"org.apache.openejb.client.RemoteInitialContextFactory");
properties.setProperty(Context.PROVIDER_URL, "127.0.0.1:4201");
final Context context = new InitialContext(properties);

And I'm not certain if the SECURITY_PRINCIPAL and SECURITY_CREDENTIALS  
parameters work in G1.

In G2 the PROVIDER_URL works with or without the prefix and  
SECURITY_PRINCIPAL and SECURITY_CREDENTIALS definitely do work.

-David


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