[google-appengine] Free Database in GAE

Hi! I want to migrate a little project in datastore to a database relational (for example MySQL). There exists some alternative different Cloud SQL??(In the possible thing that is free, not pay) ? If not exists at the moment... How I migrate or backup an datastore?? Thanks and Regards -- You

[google-appengine] Re: Mapping jdo in Google Appengine

Hi ! I recommend JPA. Since JDO has incompatibilities great and bugs for GAE. Regards On Mar 16, 1:33 am, VHT Corp vht...@gmail.com wrote: Hi all, I develop a application with GAE. I have problem : javax.jdo.JDOFatalUserException: Error in meta-data for

[google-appengine] Migration to JPA - continues the problem

(); if (utx.isActive()) { //tx.rollback(); } em.close(); } } Class Torneo: @Entity public class Torneo { /* * @author Lisandro della Croce */ @Id

[google-appengine] Error in JDO with GAE

Hi! I have an error with JDO and GAE Transaction tx = pm.currentTransaction(); try { tx.begin(); unTorneo.agregarEquipo(unEquipo); pm.makePersistentAll(unTorneo); pm.refresh(unTorneo);

[google-appengine] Re: Update an Existing object in the datastore - Problem

! Regards On 31 dic 2010, 18:38, A. Stevko andy.ste...@gmail.com wrote: Hello Lisandro, What I don't see is how you are retrieving the persisted object from the database. What does unTorneo.getEquiposTorneo() do? Using JDO, I'm used to working with a PersistenceManager object and writing

[google-appengine] Re: Update an Existing object in the datastore - Problem

App Engine Blogger:http://googleappengine.blogspot.com Reddit:http://www.reddit.com/r/appengine Twitter:http://twitter.com/app_engine On Wed, Dec 29, 2010 at 6:53 AM, lisandro lisandr...@gmail.com wrote: lisandrodc View profile  More options Dec 29, 11:26 am Hi! I have a problem

[google-appengine] Re: Update an Existing object in the datastore - Problem

is JDOHelper.getPersistenceManagerFactory(transactions-optional); JDOHelper.makeDirty(pm, listEquipos); pm.makePersistent(unTorneo); tx.commit(); And it does not work... Help me? Thanks Regards! On Dec 30, 9:43 am, lisandro lisandr...@gmail.com wrote: Hi! Ikai, I have tried but it me did

[google-appengine] Update an Existing object in the datastore - Problem

(); } } Does it design someone of what this one happening? Thanks! Regards Lisandro -- You received this message because you are subscribed to the Google Groups Google App Engine group. To post to this group, send email to google-appeng...@googlegroups.com. To unsubscribe from this group, send

[google-appengine] Re: Cloud2db for Cassandra and MongoDb

Hi Sandeep! Excelent... But: I do not find in the site any example of code of Cloud2db that works with GAE, specially with Hibernate. Can they offer someone? Then, Cloud2db ... is it totally functional and free with GAE? Regards! Lisandro On Dec 28, 5:03 pm, Sandeep Sathaye sandeep.sath

[google-appengine] Inheritance

(); } finally { // pm.close(); if (tx.isActive()) { tx.rollback(); } } } Regards Lisandro -- You received this message because you are subscribed to the Google Groups Google

[google-appengine] Problem with inheritance and JDO

Hi all, I copy what they published a time ago and it is a problem that also is happening to me also to my and there was no response. The link: http://groups.google.com/group/google-appengine/browse_thread/thread/adfd7cc231506fbf/2a61814cc0d509c4?lnk=gstq=inheritance#2a61814cc0d509c4 I've used

[google-appengine] Inheritance

Hi! Someone has some code working correctly that uses inheritance? Example? Since in the link: http://code.google.com/intl/es/appengine/docs/java/datastore/relation... He does not say anything in the matter... Regards Lisandro -- You received this message because you are subscribed

[google-appengine] Detach objects in JDO

, the collection equipos is empty. //Then,this one does not have the collection Solution of methods for detach? Regards Lisandro -- You received this message because you are subscribed to the Google Groups Google App Engine group. To post to this group, send email to google-appeng

[google-appengine] Problem of persistence in JDO

(); } //pm.close(); } } Regards! Lisandro -- You received this message because you are subscribed to the Google Groups Google App Engine group. To post to this group, send email to google-appeng...@googlegroups.com. To unsubscribe from this group, send email to google

[google-appengine] Retrive object in relation one-to many

Hi! I have a problem with retreive an object with the relation one-to many. The class Torneo has many Fecha objects. The declaration of class Torneo: @PrimaryKey @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) //@Extension(vendorName = datanucleus, key = gae.encoded-pk,

[google-appengine] Re: Retrive object in relation one-to many

= pm.getObjectById(Fecha.class, k); return e; } But says the error Could not retrieve entity of kind Fecha with key Fecha(8) Any example? Regards Lisandro On 17 jul, 15:14, Prashant nextprash...@gmail.com wrote: Hi, Fecha entity with id 8 wud be child entity. In that case

[google-appengine] Re: Retrive object in relation one-to many

Regards, yes It is exactly what you say. Lisandro On 17 jul, 16:13, Prashant nextprash...@gmail.com wrote: try  k = new KeyFactory.Builder( *Torneo*.class.getSimpleName(), *parentId*).addChild( *Fecha*.class.getSimpleName(), 8) assumption : Fecha is a child and Torneo a parent

[google-appengine] Problem JDO

Hi! I have a problem with JDO and Google AppEngine. I do all tips the site of google(libs,src, ...) I work with Struts 2. At persist a class, sayas this error: Struts Problem Report Struts has detected an unhandled exception: Messages: La clase model.Empleado no es s epuede hacer persistente.