Using datanucleus-rest with HBASE

I am trying to get the datanucleus REST service (2.0.1) running with HBASE (0.90.2).

When accessing the servlet (registering work开发者_C百科s) however, I am getting a 503:

HTTP ERROR 503

Problem accessing /dn/. Reason:

org.datanucleus.exceptions.NucleusUserException: There is no
available StoreManager of type "rdbms". Make sure that you have put
the relevant DataNucleus store plugin in your CLASSPATH and if
defining a connection via JNDI or DataSource you also need to provide
persistence property "datanucleus.storeManagerType"

My persistence.xml looks like this:

<persistence-unit name="test">
    <provider>org.datanucleus.api.jdo.JDOPersistenceManagerFactory</provider>
    <class>com.bla.MyClass</class>
    <exclude-unlisted-classes />
    <properties>
        <property name="datanucleus.storeManagerType" value="hbase" />
        <property name="datanucleus.ConnectionURL" value="hbase" />
        <property name="datanucleus.ConnectionUserName" value="" />
        <property name="datanucleus.ConnectionPassword" value="" />
        <property name="datanucleus.autoCreateTables" value="true" />
        <property name="datanucleus.autoCreateColumns" value="true" />
        <property name="datanucleus.Multithreaded" value="true" />
    </properties>
</persistence-unit>

I am unsure however with the values for

• provider
• datanucleus.storeManagerType

Can anyone give me a hint where I might be wrong or point me to some documentation about this?

Provider is irrelevant since the backend uses JDO; persistence.xml is simply to define the connection, properties (and classes if required).

datanucleus.storeManagerType is irrelevant too, since that is only when you specify the connection using JNDI, as per what the docs say clearly.

So you don't have datanucleus-hbase, and one of the dependent jars in your classpath.

Obviously looking at the log may help. I can use DataNucleus v3 REST with HBase no problem at all