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| Remote Server |
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| <H1><A name="RemoteServer-AccessingEJBsRemotely"></A>Accessing EJBs Remotely</H1> |
| |
| <P>When using OpenEJB as a stand-alone server you can connect across a network and access EJBs from a remote client. The client code for accessing an EJB's Remote Interface is the same, however to actually connect across a network to the server, you need to specify different JNDI parameters.</P> |
| |
| <H1><A name="RemoteServer-Shortversion"></A>Short version</H1> |
| |
| <P>Using OpenEJB's default remote server implementation is pretty straight forward. You simply need to:</P> |
| <OL> |
| <LI>Deploy your bean.</LI> |
| <LI>Start the server on the IP and Port you want, 25.14.3.92 and 4201 for example.</LI> |
| <LI>Use that information in your client to create an initial context</LI> |
| <LI>Add the right jars to your client's classpath</LI> |
| </OL> |
| |
| |
| <P>So, here it is in short.</P> |
| |
| <P>Deploy your bean with the Deploy Tool:</P> |
| |
| <BLOCKQUOTE><P>c:\openejb> openejb.bat deploy beans\myBean.jar</P></BLOCKQUOTE> |
| |
| <P>See the <A href="../OPENEJBx30/deploy-tool.html" title="Deploy Tool">Deploy Tool</A> documentation for more details on deploying beans.</P> |
| |
| <P>Start the server:</P> |
| |
| <BLOCKQUOTE><P>c:\openejb> openejb.bat start -h 25.14.3.92 -p 4201</P></BLOCKQUOTE> |
| |
| <P>See the Remote Server command-line guide for more details on starting the Remote Server.</P> |
| |
| <P>Create an initial context in your client as such:</P> |
| |
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| <PRE class="code-java"> |
| Properties p = <SPAN class="code-keyword">new</SPAN> Properties(); |
| p.put(<SPAN class="code-quote">"java.naming.factory.initial"</SPAN>, <SPAN class="code-quote">"org.apache.openejb.client.RemoteInitialContextFactory"</SPAN>); |
| p.put(<SPAN class="code-quote">"java.naming.provider.url"</SPAN>, <SPAN class="code-quote">"ejbd:<SPAN class="code-comment">//25.14.3.92:4201"</SPAN>); |
| </SPAN>p.put(<SPAN class="code-quote">"java.naming.security.principal"</SPAN>, <SPAN class="code-quote">"myuser"</SPAN>); |
| p.put(<SPAN class="code-quote">"java.naming.security.credentials"</SPAN>, <SPAN class="code-quote">"mypass"</SPAN>); |
| |
| InitialContext ctx = <SPAN class="code-keyword">new</SPAN> InitialContext(p); |
| </PRE> |
| </DIV></DIV> |
| |
| <P>If you don't have any EJBs or clients to run, try the ubiquitous <A href="../OPENEJBx30/hello-world.html" title="Hello World">Hello World</A> example.</P> |
| |
| <P>In OpenEJB 0.9.2 and before, add the following libraries to your clients classpath:</P> |
| <UL> |
| <LI>openejb-x.x.x.jar</LI> |
| <LI>openejb_client-x.x.x.jar</LI> |
| </UL> |
| |
| |
| <P>In OpenEJB 1.0 beta 1, add the following libraries to your clients classpath:</P> |
| <UL> |
| <LI>openejb-core-10-beta1.jar</LI> |
| </UL> |
| |
| |
| <P>Both can be found in the lib directory where you installed OpenEJB.</P> |
| </DIV> |
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