Embedding Nuxeo
Hi,
I'm would like to embed the Nuxeo DM core into my application so that I can make Java API calls to it to store and retrieve documents. However, I don't see what is the right starting point for this. I tried to work with the FrameworkerLoader from http://doc.nuxeo.com/display/KB/How+to+use+an+embedded+Nuxeo+from+a+Java+application but I get a NullPointerException when I call Framework.getLocalService(SchemaManager.class). Can somebody provide me with a more complete example on how to embed Nuxeo?
Thanks
Martin
There must be logs about missing code (such as ClassNotFoundException). If you do get some logs (confirming you properly configured the logging) but no error, please fill a Jira issue about raising errors at framework initialization: https://jira.nuxeo.com/browse/NXP
About nuxeo-core-schema, if you look at its Maven POM, you will see it has dependencies on other Nuxeo modules: nuxeo-common, nuxeo-runtime and on third-party libraries: xsom and relaxngDatatype
See https://maven.nuxeo.org/nexus/ => nuxeo-core-schema-5.4.2.pom
Note those modules will also have their own dependencies. Manually resolving them will be a pain. You should use Maven for compiling and resolving dependencies. See http://doc.nuxeo.com/x/BIAO
FYI, here's a simplified dependency tree of nuxeo-core-schema:
$ mvn dependency:tree -o
org.nuxeo.ecm.core:nuxeo-core-schema:jar:5.4.2
+- org.nuxeo.common:nuxeo-common:jar:5.4.2:compile
| +- xerces:xercesImpl:jar:2.9.1:provided
| +- org.osgi:osgi-core:jar:4.1:provided
| +- commons-io:commons-io:jar:1.4:provided
| +- commons-lang:commons-lang:jar:2.3:provided
| \- commons-logging:commons-logging:jar:1.1:provided
| +- log4j:log4j:jar:1.2.16:provided (version managed from 1.2.12)
| +- logkit:logkit:jar:1.0.1:provided
| +- avalon-framework:avalon-framework:jar:4.1.3:provided
| \- javax.servlet:servlet-api:jar:2.4:provided (version managed from 2.3)
+- org.nuxeo.runtime:nuxeo-runtime:jar:5.4.2:compile
| +- org.nuxeo.common:nuxeo-common:jar:5.4.2:compile
| +- javax.transaction:jta:jar:1.1:provided
| \- commons-jexl:commons-jexl:jar:1.1:provided
+- com.sun.xml:xsom:jar:20060306:compile
\- com.sun.xml:relaxngDatatype:jar:1.0:compile
 |
Julien Carsique
DevTools Team manager (19.2K) 4 7 7 |
11/02/2011 ( History) |
What's the full stacktrace with the NullPointerException? I suspect the NPE being raised at line <code>runtime.getService(serviceClass);</code>
If so, did you properly initialize and start the framework? <code>FrameworkLoader.initialize(getClass().getClassLoader(), wd, bundles, env); FrameworkLoader.start();</code><br> Did you look at the logs for checking the Framework starting status?
You may have a look at
NuxeoStarterwhich makes use of theFrameworkLoader:<br> <code>nuxeo-runtime/nuxeo-runtime-deploy/src/main/java/org/nuxeo/runtime/deployment/NuxeoStarter.java</code>Thanks for the prompt answer!
Yes, sorry for the missing stacktrace: java.lang.NullPointerException
which is runtime.getService(serviceClass) as you suspected.
Where is this NuxeoStarter class? I don't have it in my sources (which are 5.4.2 release)
Martin
NuxeoStarter is a new class, look at nuxeo-runtime 5.5 source code
Martin