Here is a useful resources for anyone interested in this thread: http://www.datanucleus.org/products/accessplatform_1_1/jdo/cache.html
On 4 Mrz., 21:20, Frederik Pfisterer <[email protected]> wrote: > Hi Folks, > > I am new to using a cache and have a hard time setting up the cache > for JDO. Also searched the web and this group but didn't find any > help, so maybe someone can give me a pointer or help me out. > Here is what I did so far: > > 1. added datanucleus-cache-2.0.0-release.jar to the buildpath, gave me > a Severe notice in the Datanucleus enhancer saying: Bundle > "org.datanucleus.cache" requires "org.datanucleus" version "2.0.0.m1" > but the resolved bundle has version "2.0.0.release" which is outside > the expected range. > > 2. removed this one and added datanucleus-cache-2.0.0.m1.jar to the > classpath, this gave me another severe notice from the enhancer > saying: Bundle "org.datanucleus.cache" requires "org.datanucleus" > version "2.0" but the resolved bundle has version "2.0.0.m1" which is > outside the expected range. > > 3. ignored this message > > 4. added the following properties to jdoconfig.xml: <property > name="datanucleus.cache.level2.type" value="javax.cache"/><property > name="datanucleus.cache.level2.cacheName" value="javax.cache"/> > > 5. started up the dev server and tried to execute a simple query > servlet. this results in the log: > > WARNING: Extension Point "org.datanucleus.cache_query_result" not > registered, but plugin "org.datanucleus.cache" defined in file:/#####/ > war/WEB-INF/lib/datanucleus-cache-2.0.0.m1.jar refers to it. > 04.03.2010 20:09:59 org.datanucleus.plugin.NonManagedPluginRegistry > resolveConstraints > SEVERE: Bundle "org.datanucleus.cache" requires "org.datanucleus" > version "2.0" but the resolved bundle has version "2.0.0.m1" which is > outside the expected range. > 04.03.2010 20:10:03 > com.google.appengine.api.datastore.dev.LocalDatastoreService load > > From here on I can keep using the app and the warnings do not reoccur, > can I ignore them? how would i determine whether the cache is working > or not? > > Thanks for any help, > Fred -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
