Hi, This comes when you are trying to run code within Eclipse without having starting properly the local runtime of App Engine: see http://code.google.com/appengine/docs/java/tools/localunittesting.html (parag Datastore tests)
I can also supply my Junit init code when needed regards didier On Nov 7, 5:45 pm, Eyal <twoworldsf...@gmail.com> wrote: > Hi all, > > I'm trying to use JDO in an app engine application on Eclipse. When I > use a web interface I'm able to make it work just fine. But I need to > be able to run it as a java application and when I try I get the > following exception: > > java.lang.NullPointerException: No API environment is registered for > this thread. > at > com.google.appengine.api.datastore.DatastoreApiHelper.getCurrentAppId(DatastoreApiHelper.java: > 108) > at > com.google.appengine.api.datastore.DatastoreApiHelper.getCurrentAppIdNamespace(DatastoreApiHelper.java: > 118) > at com.google.appengine.api.datastore.Query.<init>(Query.java:87) > at > org.datanucleus.store.appengine.query.DatastoreQuery.validate(DatastoreQuery.java: > 649) > at > org.datanucleus.store.appengine.query.DatastoreQuery.performExecute(DatastoreQuery.java: > 215) > at > org.datanucleus.store.appengine.query.JDOQLQuery.performExecute(JDOQLQuery.java: > 89) > at org.datanucleus.store.query.Query.executeQuery(Query.java:1489) > at org.datanucleus.store.query.Query.executeWithArray(Query.java: > 1371) > at org.datanucleus.store.query.Query.execute(Query.java:1344) > at org.datanucleus.jdo.JDOQuery.execute(JDOQuery.java:221) > at com.eyes.manager.UpdateManager.main(UpdateManager.java:39) > > This is my jdeoconfig.xml, which is generated by the Eclipse plugin: > > <?xml version="1.0" encoding="utf-8"?> > <jdoconfig xmlns="http://java.sun.com/xml/ns/jdo/jdoconfig"; > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; > xsi:noNamespaceSchemaLocation="http://java.sun.com/xml/ns/jdo/ > jdoconfig"> > > <persistence-manager-factory name="transactions-optional"> > <property name="javax.jdo.PersistenceManagerFactoryClass" > > value="org.datanucleus.store.appengine.jdo.DatastoreJDOPersistenceManagerFactory"/ > > <property name="javax.jdo.option.ConnectionURL" > value="appengine"/> > <property name="javax.jdo.option.NontransactionalRead" > value="true"/> > <property name="javax.jdo.option.NontransactionalWrite" > value="true"/> > <property name="javax.jdo.option.RetainValues" value="true"/> > <property name="datanucleus.appengine.autoCreateDatastoreTxns" > value="true"/> > </persistence-manager-factory> > </jdoconfig> > > Any idea how can I solve this? How do I register the "API > Environment?" > > Thanks! > Eyal -- 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 google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
