I'm running Tomcat 5.5.9 with JVM 1.5.0_05-83 on MacOS X 10.4.4. I'm
trying to build an example webapp that shows the configuration for
two Jackrabbit resources: one configured as an embedded resource for
that web app and another configured as a shared resource for the
entire host. I've tried to define the resources in a variety of
places and haven't been able to get any of them to work.
My context files are defined like this....
$TOMCAT_HOME/conf/context.xml:
<Context>
<WatchedResource>WEB-INF/web.xml</WatchedResource>
</Context>
webapp/WEB-INF/context.xml:
<Context docBase="jackrabbit_config_test" reloadable="false">
<Resource name="jcr/model1Repository"
auth="Container"
type="javax.jcr.Repository"
factory="org.apache.jackrabbit.core.jndi.BindableRepositoryFactory"
configFilePath="conf/repository_model1.xml"
repHomeDir="shared/jackrabbit_model1" />
<Environment name="testNum" value="10"
type="java.lang.Integer" override="false"/>
</Context>
I've got the following setup in server.xml:
<GlobalNamingResources>
...
<Resource name="jcr/model2Repository"
auth="Container"
type="javax.jcr.Repository"
factory="org.apache.jackrabbit.core.jndi.BindableRepositoryFactory"
configFilePath="conf/repository_model2.xml"
repHomeDir="shared/jackrabbit_model2" />
</GlobalNamingResources>
And in my web.xml, I've got the following references:
<web-app>
...
<resource-ref>
<description>Jackrabbit Model 1 Repository</description>
<res-ref-name>jcr/model1Repository</res-ref-name>
<res-type>javax.jcr.Repository</res-type>
<res-auth>Container</res-auth>
</resource-ref>
<resource-env-ref>
<description>Jackrabbit Model 2 Repository</description>
<resource-env-ref-name>jcr/model2Repository</resource-env-
ref-name>
<resource-env-ref-type>javax.jcr.Repository</resource-env-
ref-type>
</resource-env-ref>
<resource-ref>
<description>Test Number</description>
<res-ref-name>testNum</res-ref-name>
<res-type>java.lang.Integer</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>
I know tomcat is finding the jcr/model2Repository resource because if
I delete all of the database entries and repository files, and then
restart Tomcat, upon restart the database and repository files are
recreated. There's also log output in catalina.out about jackrabbit
initializing itself for the model2Repository.
When I get to my servlet, I've got some code that prints the context
entries for the initial context and the environment's context to the
output webpage. Then I try to access both repositories. For good
measure, I also try to access the testNum I defined in my webapp's
context.xml. None of the objects are accessible. The locally defined
objects (those in webapp/WEB-INF/context.xml) throw an exception:
javax.naming.NamingException: Cannot create resource instance
at org.apache.naming.factory.ResourceEnvFactory.getObjectInstance
(ResourceEnvFactory.java:99)
at javax.naming.spi.NamingManager.getObjectInstance
(NamingManager.java:304)
at org.apache.naming.NamingContext.lookup(NamingContext.java:792)
at org.apache.naming.NamingContext.lookup(NamingContext.java:139)
at org.apache.naming.NamingContext.lookup(NamingContext.java:780)
at org.apache.naming.NamingContext.lookup(NamingContext.java:152)
at
edu.ucsc.whisper.jackrabbit_test.JackrabbitTest.getObjectFromContext
(JackrabbitTest.java:85)
at edu.ucsc.whisper.jackrabbit_test.JackrabbitTest.doGet
(JackrabbitTest.java:54)
The shared repository object (defined in the server.xml and global
context.xml) simply comes back null when I call context.lookup( "jcr/
model2Repository" ) without throwing an exception.
I tried moving the configuration in the {webapp}/WEB-INF/context.xml
to server.xml's <Host> section, as below:
<Context path="/jackrabbit_config_test"
docBase="jackrabbit_config_test">
<Resource name="jcr/model1Repository"
auth="Container"
type="javax.jcr.Repository"
factory="org.apache.jackrabbit.core.jndi.BindableRepositoryFactory"
configFilePath="conf/repository_model1.xml"
repHomeDir="shared/jackrabbit_model1" />
<Environment name="testNum" value="10"
type="java.lang.Integer" override="false"/>
</Context>
Doing this made the servlet able to find the testNum environment
variable and the jcr/model2Repository was still null. But accessing
jcr/model1Repository seems to be worse because I got a ClassNotFound
exception on
org.apache.jackrabbit.core.jndi.BindableRepositoryFactory calling
context.lookup() on it. But the jackrabbit.jar is in both {webapp}/
WEB-INF/lib and $TOMCAT_HOME/server/lib, so I don't know why the
factory wouldn't be found. And, in the logs when the server starts
using this configuration, the jcr/model2Repository is still getting
initialized. But even if this configuration did work, my
understanding is that with Tomcat 5.5, this is really *not* the
preferred way of handling web-app specific context data.
Other information that might be helpful. I've got log4j configured
for the server and my webapp to print out all logging info for the
jackrabbit project and no errors are being reported. I've tried using
just one of the repositories at a time (commenting the other out) and
even without the risk of them interfering with each other, I get the
same failures. I'm using maven's war target to build the webapp.
I've spent most of the day trying to work this out, using the Tomcat
5.5 docs, the jackrabbit web pages (where the format for the resource
came from), and some other webapps for reference and I'm just about
at my wits end. Any pointers or tips would be very helpful and
appreciated.
Thanks,
Mark
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