Off late, I've been doing a lot of development with Railo running on JBoss. So naturally, I wanted to plug in Apache Solr (which now ships with ColdFusion 9) into my JBoss instance running Railo.

What I thought would be straight-forward took a bit to figure out. The issue comes when you have to setup the solr.home property. The Apache Solr wiki suggests putting an <env-entry> node in the web.xml. However, if you do that, the XML does not validate as "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN". JBoss 5 is a little particular about web.xml validating properly -- which is a good thing!

So the trick to declare Solr home variable is to do this:

Add the following to conf/jboss-service.xml

<!-- For Apache Solr -->
<mbean code="org.jboss.naming.JNDIBindingServiceMgr" name="jboss.tests:service=JNDIBindingServiceMgr">
      <attribute name="BindingsConfig" serialDataType="jbxb">
         <jndi:bindings xmlns:xs="http://www.w3.org/2001/XMLSchema-instance" xmlns:jndi="urn:jboss:jndi-binding-service:1.0" xs:schemaLocation="urn:jboss:jndi-binding-service:1.0resource:jndi-binding-service_1_0.xsd">
            <jndi:binding name="solr/home">
                <jndi:value type="java.lang.String">FILESYSTEM_PATH_TO_SOLR_HOME</jndi:value>
            </jndi:binding>
         </jndi:bindings>
      </attribute>
 </mbean>

Replace FILESYSTEM_PATH_TO_SOLR_HOME in the above node to the actual physical filesystem path where Solr home for your application lives, e.g., in my case it was: /Users/indy/solr/

Add the following node to the application specific WEB-INF/web.xml:

<resource-env-ref>
     <resource-env-ref-name>solr/home</resource-env-ref-name>
     <resource-env-ref-type>java.lang.String</resource-env-ref-type>
</resource-env-ref>

And finally create a WEB-INF/jboss-web.xml file (if it already does not exist for your web application) and add the following content to it:

<jboss-web>
	<context-root>solr</context-root>
	<resource-env-ref>
		<resource-env-ref-name>solr/home</resource-env-ref-name>
		<jndi-name>/solr/home</jndi-name>
	</resource-env-ref>
</jboss-web>

Once done, browse to your app: http://yourserver:port/solr/ and you should see Apache Solr running. Obviously you need to make sure that the Solr home directory contains the appropriate XML descriptors for Solr configuration.

Comments

Ceri wrote on 12/11/09 4:17 AM

Without "<depends>jboss:service=Naming</depends>", it can cause "name=jboss:service=JNDIBindingServiceMgr state=Create mode=Manual requiredState=Installed" error,

So,
The changes in conf/jboss-service.xml should be as follows:
<!-- For Apache Solr -->
<mbean code="org.jboss.naming.JNDIBindingServiceMgr" name="jboss.tests:service=JNDIBindingServiceMgr">
<depends>jboss:service=Naming</depends>
<attribute name="BindingsConfig" serialDataType="jbxb">
<jndi:bindings xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"; xmlns:jndi="urn:jboss:jndi-binding-service:1.0" xs:schemaLocation="urn:jboss:jndi-binding-service:1.0resource:jndi-binding-service_1_0.xsd">
<jndi:binding name="solr/home">
<jndi:value type="java.lang.String">FILESYSTEM_PATH_TO_SOLR_HOME</jndi:value>
</jndi:binding>
</jndi:bindings>
</attribute>
</mbean>

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