[appengine-java] Re: SimpleDS 1.0 is out
great work! -g. -- 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.
[appengine-java] Channel API still not live...
Hello there, Google announced Channel API for 1.3.6 but it is still not live in 1.3.7. It runs in dev mode but when deployed I get a 'feature not implemented' exception. Does anyone has any updated on this? Google team? Thank you. Daniel -- 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.
[appengine-java] Problem with persist a child class
Hi! I have a problem with persist a child class.
The classes are:
The parent class:
@PersistenceCapable
@Inheritance(strategy = InheritanceStrategy.SUBCLASS_TABLE)
public abstract class Fecha {
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
private Key id;
@Persistent
private String nombre;
@Persistent
private Date fechaIni;
@Persistent
private Date fechaFin;
@Persistent(defaultFetchGroup = true)
ListPartido partidos;
The child class:
@PersistenceCapable
public class RegFechaUsuario extends Fecha {
@Persistent
private int puntos;
@Persistent
private Long idUsuarioFecha;
@Persistent
private Long idFechaOriginal;
And the code of run the exception is:
Transaction tx = pm.currentTransaction();
try {
tx.begin();
pm.makePersistentAll(regFechaUsuario);
//here is the exception
tx.commit();
And the regFechaUsuario is created with the build:
public RegFechaUsuario(String nombre, Date fechaIni, Date fechaFin,
Long idUsuarioFecha, Long idFechaOriginal,
ListPartidopartidos)
{
//super(nombre,fechaIni,fechaFin,partidos);
this.puntos = 0;
this.idUsuarioFecha = idUsuarioFecha;
this.idFechaOriginal = idFechaOriginal;
this.partidos=partidos;
}
The exception is:
Problem accessing /Prode/JugarFecha.action. Reason:
java.lang.Long cannot be cast to java.lang.String
Caused by:
java.lang.ClassCastException: java.lang.Long cannot be cast to
java.lang.String
at
org.datanucleus.store.appengine.DatastoreRelationFieldManager.checkForParentSwitch(DatastoreRelationFieldManager.java:
202)
at org.datanucleus.store.appengine.DatastoreRelationFieldManager
$1.setObjectViaMapping(DatastoreRelationFieldManager.java:133)
at org.datanucleus.store.appengine.DatastoreRelationFieldManager
$1.apply(DatastoreRelationFieldManager.java:112)
at
org.datanucleus.store.appengine.DatastoreRelationFieldManager.storeRelations(DatastoreRelationFieldManager.java:
81)
at
org.datanucleus.store.appengine.DatastoreFieldManager.storeRelations(DatastoreFieldManager.java:
955)
at
org.datanucleus.store.appengine.DatastorePersistenceHandler.storeRelations(DatastorePersistenceHandler.java:
546)
at org.datanucleus.store.appengine.DatastorePersistenceHandler.
Regards
Lisandro
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[appengine-java] logging gwt ,gae
how do I log events in google app engine , -- 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.
[appengine-java] CXF JAX-RS client Connection.getSSLSocketFactory Not Found
I'm trying to get a CXF JAX-RS client proxy working to talk to an external service. I have a spring config like: http:conduit id=where-twilio-conduit name=https://api.twilio.com/ 2008-08-01.* http:tlsClientParameters useHttpsURLConnectionDefaultSslSocketFactory=true useHttpsURLConnectionDefaultHostnameVerifier=true/ /http:conduit jaxrs:client id=where-twilio-resource address=https:// api.twilio.com/2008-08-01 serviceClass=com.lolay.where.service.resources.TwilioResource/ I'm basically creating the jaxrs proxy and applying a conduit to ensure it's using the default ssl socket factory. I'm running into an error saying it can't get find the method Connection.getSSLSocketFactory (see full stack below). Any recommendations? I'm assuming I'm running into a URLFetch issue. Thanks, Gary org.apache.cxf.interceptor.Fault: Could not send Message. at org.apache.cxf.interceptor.MessageSenderInterceptor.handleMessage(MessageSenderInterceptor.java: 48) at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java: 244) at org.apache.cxf.jaxrs.client.ClientProxyImpl.doChainedInvocation(ClientProxyImpl.java: 438) at org.apache.cxf.jaxrs.client.ClientProxyImpl.invoke(ClientProxyImpl.java: 177) at $Proxy29.sendSmsMessage(Unknown Source) at com.lolay.where.service.resources.RegistrationResourceImpl.createInvitation(RegistrationResourceImpl.java: 295) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java: 39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java: 25) at java.lang.reflect.Method.invoke(Method.java:597) at com.google.appengine.tools.development.agent.runtime.Runtime.invoke(Runtime.java: 100) at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java: 173) at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java: 89) at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:133) at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:82) at org.apache.cxf.interceptor.ServiceInvokerInterceptor $1.run(ServiceInvokerInterceptor.java:58) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java: 441) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at org.apache.cxf.workqueue.SynchronousExecutor.execute(SynchronousExecutor.java: 37) at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java: 106) at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java: 244) at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java: 110) at org.apache.cxf.transport.servlet.ServletDestination.invoke(ServletDestination.java: 98) at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java: 423) at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java: 139) at org.apache.cxf.transport.servlet.AbstractCXFServlet.invoke(AbstractCXFServlet.java: 142) at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java: 179) at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java: 103) at javax.servlet.http.HttpServlet.service(HttpServlet.java:713) at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java: 159) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java: 511) at org.mortbay.jetty.servlet.ServletHandler $CachedChain.doFilter(ServletHandler.java:1166) at com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java: 58) at org.mortbay.jetty.servlet.ServletHandler $CachedChain.doFilter(ServletHandler.java:1157) at com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java: 43) at org.mortbay.jetty.servlet.ServletHandler $CachedChain.doFilter(ServletHandler.java:1157) at com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java: 122) at org.mortbay.jetty.servlet.ServletHandler $CachedChain.doFilter(ServletHandler.java:1157) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java: 388) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java: 216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java: 182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java: 765) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java: 418) at
[appengine-java] Re: Deploy Hangs
Thank you for responding. My application did indeed get updated successfully after I waited longer. When I posted my original message it would take over 5-7 minutes. A few hours later it magically speeded up to about 1 minute or less. (no material changes on my side). Sending you application id as a direct message (if that works). On Sep 17, 8:46 am, Ikai Lan (Google) ikai.l+gro...@google.com wrote: What's your application ID? On Thu, Sep 16, 2010 at 5:16 PM, gaeuser angelan...@gmail.com wrote: It just doesn't finish and keeps checking at 60-second intervals. On the console athttp://appengine.google.comI see my application with Current Version set to: None Deployed But when I click through the application to the Versions tab, I see: Version 1 (deployed 0:04:30 ago) except it is NOT selected as default. The live URL does not work - shows up as this link is broken in Chrome. The email is same as that for this group user. and the app id is the username + 1. I can post/email my exact user id if needed. $ java -cp c:/u/p/appengine-java-sdk-1.3.7/lib/appengine-tools-api.jar com.google.appengine.tools.admin.AppCfg --email=***...@gmail.com update war Reading application configuration data... Sep 16, 2010 10:08:17 AM com.google.apphosting.utils.config.AppEngineWebXmlReader readAppEngineWebXml INFO: Successfully processed war\WEB-INF/appengine-web.xml 2010-09-16 10:08:17.326:INFO::Logging to STDERR via org.mortbay.log.StdErrLog Sep 16, 2010 10:08:17 AM com.google.apphosting.utils.config.AbstractConfigXmlReader readConfigXml INFO: Successfully processed war\WEB-INF/web.xml Beginning server interaction for **1... 0% Creating staging directory 5% Scanning for jsp files. 20% Scanning files on local disk. 25% Initiating update. Password for ***...@gmail.com: 28% Cloning 12 application files. 40% Uploading 1 files. 52% Uploaded 1 files. 61% Initializing precompilation... 90% Deploying new version. 95% Will check again in 1 seconds. 98% Will check again in 2 seconds. 99% Will check again in 4 seconds. 99% Will check again in 8 seconds. 99% Will check again in 16 seconds. 99% Will check again in 32 seconds. 99% Will check again in 60 seconds. 99% Will check again in 60 seconds. -- 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.comgoogle-appengine-java%2B unsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en. -- 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.
[appengine-java] Problem w/ loading Jena model from URL
Hi everyone, I'm working on an app engine application that is integrated with the Jena Semantic Web framework. I'm aware about the compatibility issues associated with Jena, so I did all the necessary fixes described in this group so it would properly work on the app engine. My setup works fine on the local server. But the deployed version keeps on getting the 500 Server Error page (The server encountered an error and could not complete your request) every time I try to create a model from a URL using the command FileManager.get().loadModel(source). The command works fine for files contained in the same directory as the app (e.g. FileManager.get().loadModel(file:sample.rdf)), but not for valid URLs. Any suggestions on how I could fix this problem? I'm willing to do long workarounds if they're the only option left to fix this. Thanks in advance for any answers. Cheers Miko -- 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.
[appengine-java] Re: Deploy Hangs
(I thought I replied to this but it doesn't show up) After I posted the original report the app did update. Over the next couple of hours it would consistently take about 4-8 minutes to update. However, later in the day, without anything significant on my side, the updates became much faster -- about 1 minute -- and they have been that way since then. I will ping you with app id if the problem recurs. (btw, I don't see any way to non-publicly send you my app id.) On Sep 17, 8:46 am, Ikai Lan (Google) ikai.l+gro...@google.com wrote: What's your application ID? On Thu, Sep 16, 2010 at 5:16 PM, gaeuser angelan...@gmail.com wrote: It just doesn't finish and keeps checking at 60-second intervals. On the console athttp://appengine.google.comI see my application with Current Version set to: None Deployed But when I click through the application to the Versions tab, I see: Version 1 (deployed 0:04:30 ago) except it is NOT selected as default. The live URL does not work - shows up as this link is broken in Chrome. The email is same as that for this group user. and the app id is the username + 1. I can post/email my exact user id if needed. $ java -cp c:/u/p/appengine-java-sdk-1.3.7/lib/appengine-tools-api.jar com.google.appengine.tools.admin.AppCfg --email=***...@gmail.com update war Reading application configuration data... Sep 16, 2010 10:08:17 AM com.google.apphosting.utils.config.AppEngineWebXmlReader readAppEngineWebXml INFO: Successfully processed war\WEB-INF/appengine-web.xml 2010-09-16 10:08:17.326:INFO::Logging to STDERR via org.mortbay.log.StdErrLog Sep 16, 2010 10:08:17 AM com.google.apphosting.utils.config.AbstractConfigXmlReader readConfigXml INFO: Successfully processed war\WEB-INF/web.xml Beginning server interaction for **1... 0% Creating staging directory 5% Scanning for jsp files. 20% Scanning files on local disk. 25% Initiating update. Password for ***...@gmail.com: 28% Cloning 12 application files. 40% Uploading 1 files. 52% Uploaded 1 files. 61% Initializing precompilation... 90% Deploying new version. 95% Will check again in 1 seconds. 98% Will check again in 2 seconds. 99% Will check again in 4 seconds. 99% Will check again in 8 seconds. 99% Will check again in 16 seconds. 99% Will check again in 32 seconds. 99% Will check again in 60 seconds. 99% Will check again in 60 seconds. -- 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.comgoogle-appengine-java%2B unsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en. -- 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.
[appengine-java] logging gwt ,gae
how do I log events in google app engine , -- 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.
[appengine-java] How to query against system-assigned numeric ID?
Hi, The records in tabel (TabelA) in datastore are something like: - Key ID/ Name TestField agdmc2F5aW5ncgsLEgVRdW90ZRgBDA1 test1 agdmc2F5aW5ncgsLEgVRdW90ZRgCDA2 test2 agdmc2F5aW5ncgsLEgVRdW90ZRgDDA3 test3 agdmc2F5aW5ncgsLEgVRdW90ZRgEDA4 test4 I have two questions: 1) How to write a query like select * from TableA order by ID desc? 2) How to write a query like select * from TableA where ID == 3? Please be noted that the ID/Name field (which I want to query against) is generated by GAE automatically. Thanks, Jason -- 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.
Re: [appengine-java] Problem with persist a child class
java.lang.ClassCastException: java.lang.Long cannot be cast to
java.lang.String
use Long.parseLong(String) to parse
Sent from my iPad
On Sep 19, 2010, at 7:52 PM, lisandrodc lisandr...@gmail.com wrote:
Hi! I have a problem with persist a child class.
The classes are:
The parent class:
@PersistenceCapable
@Inheritance(strategy = InheritanceStrategy.SUBCLASS_TABLE)
public abstract class Fecha {
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
private Key id;
@Persistent
private String nombre;
@Persistent
private Date
@Persistent
private Date fechaFin;
@Persistent(defaultFetchGroup = true)
ListPartido partidos;
The child class:
@PersistenceCapable
public class RegFechaUsuario extends Fecha {
@Persistent
private int puntos;
@Persistent
private Long idUsuarioFecha;
@Persistent
private Long idFechaOriginal;
And the code of run the exception is:
Transaction tx = pm.currentTransaction();
try {
tx.begin();
pm.makePersistentAll(regFechaUsuario);
//here is the exception
tx.commit();
And the regFechaUsuario is created with the build:
public RegFechaUsuario(String nombre, Date fechaIni, Date fechaFin,
Long idUsuarioFecha, Long idFechaOriginal, ListPartidopartidos)
{
//super(nombre,fechaIni,fechaFin,partidos);
this.puntos = 0;
this.idUsuarioFecha = idUsuarioFecha;
this.idFechaOriginal = idFechaOriginal;
this.partidos=partidos;
}
The exception is:
Problem accessing /Prode/JugarFecha.action. Reason:
java.lang.Long cannot be cast to java.lang.String
Caused by:
java.lang.ClassCastException: java.lang.Long cannot be cast to
java.lang.String
at
org.datanucleus.store.appengine.DatastoreRelationFieldManager.checkForParentSwitch(DatastoreRelationFieldManager.java:
202)
at org.datanucleus.store.appengine.DatastoreRelationFieldManager
$1.setObjectViaMapping(DatastoreRelationFieldManager.java:133)
at org.datanucleus.store.appengine.DatastoreRelationFieldManager
$1.apply(DatastoreRelationFieldManager.java:112)
at
org.datanucleus.store.appengine.DatastoreRelationFieldManager.storeRelations(DatastoreRelationFieldManager.java:
81)
at
org.datanucleus.store.appengine.DatastoreFieldManager.storeRelations(DatastoreFieldManager.java:
955)
at
org.datanucleus.store.appengine.DatastorePersistenceHandler.storeRelations(DatastorePersistenceHandler.java:
546)
at org.datanucleus.store.appengine.DatastorePersistenceHandler.
Regards
Lisandro
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[appengine-java] Re: Problem with persist a child class
Thanks dushyant , but the exception is of an error of JDO,datanucleus
(seemingly).
That it has to see with the keys it seems to me, is not the problem
that I from my code
can use Long.parseLong(String) to parse. This is something internal
that that should do datanucleus.
Regards.
Lisandro
On 19 sep, 12:19, dushyant bing dush...@gmail.com wrote:
java.lang.ClassCastException: java.lang.Long cannot be cast to
java.lang.String
use Long.parseLong(String) to parse
Sent from my iPad
On Sep 19, 2010, at 7:52 PM, lisandrodc lisandr...@gmail.com wrote:
Hi! I have a problem with persist a child class.
The classes are:
The parent class:
@PersistenceCapable
@Inheritance(strategy = InheritanceStrategy.SUBCLASS_TABLE)
public abstract class Fecha {
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
private Key id;
@Persistent
private String nombre;
@Persistent
private Date
@Persistent
private Date fechaFin;
@Persistent(defaultFetchGroup = true)
ListPartido partidos;
The child class:
@PersistenceCapable
public class RegFechaUsuario extends Fecha {
@Persistent
private int puntos;
@Persistent
private Long idUsuarioFecha;
@Persistent
private Long idFechaOriginal;
And the code of run the exception is:
Transaction tx = pm.currentTransaction();
try {
tx.begin();
pm.makePersistentAll(regFechaUsuario);
//here is the exception
tx.commit();
And the regFechaUsuario is created with the build:
public RegFechaUsuario(String nombre, Date fechaIni, Date fechaFin,
Long idUsuarioFecha, Long idFechaOriginal, ListPartidopartidos)
{
//super(nombre,fechaIni,fechaFin,partidos);
this.puntos = 0;
this.idUsuarioFecha = idUsuarioFecha;
this.idFechaOriginal = idFechaOriginal;
this.partidos=partidos;
}
The exception is:
Problem accessing /Prode/JugarFecha.action. Reason:
java.lang.Long cannot be cast to java.lang.String
Caused by:
java.lang.ClassCastException: java.lang.Long cannot be cast to
java.lang.String
at
org.datanucleus.store.appengine.DatastoreRelationFieldManager.checkForParentSwitch(DatastoreRelationFieldManager.java:
202)
at org.datanucleus.store.appengine.DatastoreRelationFieldManager
$1.setObjectViaMapping(DatastoreRelationFieldManager.java:133)
at org.datanucleus.store.appengine.DatastoreRelationFieldManager
$1.apply(DatastoreRelationFieldManager.java:112)
at
org.datanucleus.store.appengine.DatastoreRelationFieldManager.storeRelations(DatastoreRelationFieldManager.java:
81)
at
org.datanucleus.store.appengine.DatastoreFieldManager.storeRelations(DatastoreFieldManager.java:
955)
at
org.datanucleus.store.appengine.DatastorePersistenceHandler.storeRelations(DatastorePersistenceHandler.java:
546)
at org.datanucleus.store.appengine.DatastorePersistenceHandler.
Regards
Lisandro
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[appengine-java] preferred method of deleting child objects (quota/fees)
say i have a persistent parent class, Employee, with a collection of
child objects, PhoneNumber:
@PersistenceCapable(identityType = IdentityType.APPLICATION)
class Employee implements Serializable
{
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
Long id;
@Persistent(mappedBy = employee)
ListPhoneNumber phoneNumbers;
}
@PersistenceCapable(identityType = IdentityType.APPLICATION)
class PhoneNumber implements Serializable
{
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
Key key;
@Persistent(mappedBy = phoneNumbers)
Employee employee;
@Persistent
Integer phoneNumber;
}
when deleting all child objects (PhoneNumber), there are two possible
ways to do this:
(1) set the collection of child objects on the parent object to an
empty collection (or null):
static void deletePhoneNumbers( Long p_employeeId, PersistentManager
p_manager )
{
Employee l_employee = p_manager.getObjectById( Employee.class,
p_employeeId );
l_employee.phoneNumbers = new ArrayListPhoneNumber();
p_manager.makePersistent( l_employee );
}
or
(2) delete all child objects belonging to the parent object:
static void deletePhoneNumbers( Employee p_employee,
PersistenceManager p_manager )
{
Query l_query = p_manager.newQuery( PhoneNumber.class );
l_query.setFilter( employee == p_employee );
l_query.declareParameters( Employee p_employee );
l_query.deletePersistentAll( p_employee );
}
both ways seem to have the same effect. as one might expect, the
collection of child objects in the parent array are removed and the
child objects themselves are removed from the data store.
my question is:
as far as hits on the data store (and the quota/fees associated with
those hits) are concerned, which incurs a greater number of calls
against the datastore (and, subsequently, incurs more fees)?
when you look at what's happening in the low-level API, do both ways
of deleting child objects result in the same number of calls against
the data store or is one way less costly than the other?
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[appengine-java] How to do Mocking on GAE development server ?
Hello,
I've tried to do this:
package com.FOO.madservice.servlet.mock;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import static org.mockito.Mockito.*;
@SuppressWarnings(serial)
public class BAR2ServletMock extends HttpServlet {
...
protected HttpServletRequest requestFilter(HttpServletRequest req) {
HttpServletRequest servletRequest = spy(req);
doReturn(gzip,
deflate).when(servletRequest).getHeader(header-name-goes-here);
doReturn(174.30.216.4).when(servletRequest).getRemoteAddr();
return servletRequest;
}
...
}
I'm trying to mock the data in the HTTPRequest object.
On Eclipse using GAE Eclipse pluging 1.3.7, this fails with the following
error:
java.lang.NoClassDefFoundError: sun.reflect.ReflectionFactory is a
restricted class. Please see the Google App Engine developer's guide for
more details.
Can I disable checking for classes white list on development server?
What other mocking alternatives should I examine?
Thank you,
Maxim.
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Re: [appengine-java] Re: Problem with persist a child class
Be aware that inheritance is not supported by GAE yet.
The problem might come from this issue.
See :
http://code.google.com/intl/fr-FR/appengine/docs/java/datastore/dataclasses.
html
cyrille
On 19/09/10 18:55, lisandrodc lisandr...@gmail.com wrote:
Thanks dushyant , but the exception is of an error of JDO,datanucleus
(seemingly).
That it has to see with the keys it seems to me, is not the problem
that I from my code
can use Long.parseLong(String) to parse. This is something internal
that that should do datanucleus.
Regards.
Lisandro
On 19 sep, 12:19, dushyant bing dush...@gmail.com wrote:
java.lang.ClassCastException: java.lang.Long cannot be cast to
java.lang.String
use Long.parseLong(String) to parse
Sent from my iPad
On Sep 19, 2010, at 7:52 PM, lisandrodc lisandr...@gmail.com wrote:
Hi! I have a problem with persist a child class.
The classes are:
The parent class:
@PersistenceCapable
@Inheritance(strategy = InheritanceStrategy.SUBCLASS_TABLE)
public abstract class Fecha {
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
private Key id;
@Persistent
private String nombre;
@Persistent
private Date
@Persistent
private Date fechaFin;
@Persistent(defaultFetchGroup = true)
ListPartido partidos;
The child class:
@PersistenceCapable
public class RegFechaUsuario extends Fecha {
@Persistent
private int puntos;
@Persistent
private Long idUsuarioFecha;
@Persistent
private Long idFechaOriginal;
And the code of run the exception is:
Transaction tx = pm.currentTransaction();
try {
tx.begin();
pm.makePersistentAll(regFechaUsuario);
//here is the exception
tx.commit();
And the regFechaUsuario is created with the build:
public RegFechaUsuario(String nombre, Date fechaIni, Date fechaFin,
Long idUsuarioFecha, Long idFechaOriginal, ListPartidopartidos)
{
//super(nombre,fechaIni,fechaFin,partidos);
this.puntos = 0;
this.idUsuarioFecha = idUsuarioFecha;
this.idFechaOriginal = idFechaOriginal;
this.partidos=partidos;
}
The exception is:
Problem accessing /Prode/JugarFecha.action. Reason:
java.lang.Long cannot be cast to java.lang.String
Caused by:
java.lang.ClassCastException: java.lang.Long cannot be cast to
java.lang.String
at
org.datanucleus.store.appengine.DatastoreRelationFieldManager.checkForParentS
witch(DatastoreRelationFieldManager.java:
202)
at org.datanucleus.store.appengine.DatastoreRelationFieldManager
$1.setObjectViaMapping(DatastoreRelationFieldManager.java:133)
at org.datanucleus.store.appengine.DatastoreRelationFieldManager
$1.apply(DatastoreRelationFieldManager.java:112)
at
org.datanucleus.store.appengine.DatastoreRelationFieldManager.storeRelations(
DatastoreRelationFieldManager.java:
81)
at
org.datanucleus.store.appengine.DatastoreFieldManager.storeRelations(Datastor
eFieldManager.java:
955)
at
org.datanucleus.store.appengine.DatastorePersistenceHandler.storeRelations(Da
tastorePersistenceHandler.java:
546)
at org.datanucleus.store.appengine.DatastorePersistenceHandler.
Regards
Lisandro
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[appengine-java] Use BlobstoreService and ImageService to upload/serve images drawn from an HTML5 canvas Paintweb JS Library
I'm working on an Appengine application in Java that allows users to
upload images drawn through an HTML5 canvas library called PaintWeb
(http://code.google.com/p/paintweb/).
Currently I have a servlet that receives the XMLHttpRequest POST from
the paintweb javascript library as a formencoded image.
1. Paintweb.js library sends XMLHttpRequest POST
send = 'dataURL=' + encodeURIComponent(ev.dataURL),
headers= {'Content-Type': 'application/x-www-form-
urlencoded'};
2. A custom servlet decodes the form encoded image data as a blob and
stores that in the Datastore with an associated Drawing entity
3 Custom servlet serves the Blob's in the datastore as
ContentType(image/png)
I'm curious if I can use the new BlobstoreService and ImageService
features to upload my HTML5 canvas images and serve them as pure Blobs
(as shown in this tutorial
http://ikaisays.com/2010/09/08/gwt-blobstore-the-new-high-performance-image-serving-api-and-cute-dogs-on-office-chairs/)
According to the documentation (http://code.google.com/appengine/docs/
java/blobstore/overview.html#Uploading_a_Blob) it seems like the major
stopping point is that I need to POST a form with:
input type=file name=myFile
Which I don't think is possible from Paintweb.
Possibly a work around would be if there was some way on the server
side to store a blob in the Blobstorage (instead of the datastore) so
that you could reap the benefits of not using your CPU quota to serve
images.
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[appengine-java] Re: Use BlobstoreService and ImageService to upload/serve images drawn from an HTML5 canvas Paintweb JS Library
Is it possible or even a good idea to use the Appengine URL Fetch
service and forward the image blob upload to the Blobstorage
createUploadURL() from the server side.
http://code.google.com/appengine/docs/java/urlfetch/usingjavanet.html
It seems like it could be possible, but not sure it would save me
resources in the long run (the images are simple small drawings that
could be viewed many many more times than the upload time so I feel
like I'd get benefit storing/serving from the BlobstoreService.
On Sep 19, 3:02 pm, Doug Daniels daniels.doug...@gmail.com wrote:
I'm working on an Appengine application in Java that allows users to
upload images drawn through an HTML5 canvas library called PaintWeb
(http://code.google.com/p/paintweb/).
Currently I have a servlet that receives the XMLHttpRequest POST from
the paintweb javascript library as a formencoded image.
1. Paintweb.js library sends XMLHttpRequest POST
send = 'dataURL=' + encodeURIComponent(ev.dataURL),
headers = {'Content-Type': 'application/x-www-form-
urlencoded'};
2. A custom servlet decodes the form encoded image data as a blob and
stores that in the Datastore with an associated Drawing entity
3 Custom servlet serves the Blob's in the datastore as
ContentType(image/png)
I'm curious if I can use the new BlobstoreService and ImageService
features to upload my HTML5 canvas images and serve them as pure Blobs
(as shown in this
tutorialhttp://ikaisays.com/2010/09/08/gwt-blobstore-the-new-high-performance...)
According to the documentation (http://code.google.com/appengine/docs/
java/blobstore/overview.html#Uploading_a_Blob) it seems like the major
stopping point is that I need to POST a form with:
input type=file name=myFile
Which I don't think is possible from Paintweb.
Possibly a work around would be if there was some way on the server
side to store a blob in the Blobstorage (instead of the datastore) so
that you could reap the benefits of not using your CPU quota to serve
images.
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Re: [appengine-java] Re: A question about queries and composite indices
On 16 Sep 2010, at 21:18, Ikai Lan (Google) wrote: The way an AND query works is by making multiple queries and merging the results by zig-zagging between them. A solution to your problem may be simply to whittle down the result set to as small as you can reasonably get it, then traverse the entities in memory. If you end up needing to use multiple queries you can use Twigs parallel async queries to run them all at the same time then zig-zag the results yourself to filter out the matching results. This way you have fine control over the chunk size for each query (to tune performance) and can keep a cursor for each query. -- 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.
Re: [appengine-java] Using the Python bulk exporter tool with a Java application
If you feel more comfortable working with Java, I use this code to bulk load and backup data: http://code.google.com/p/remote-datastore/ It intercepts the raw bytes sent to the local datastore and sends them to another remote datastore. Because it operates at this very low level it is very efficient. On 17 Sep 2010, at 12:23, megala dhinakaran wrote: i had created webappliccation project using java,I want to bulk load the data in google app engine datastore,But it shows the following error how to solve this appcfg.py create_bulkloader_config --filename=bulkloader.yaml -- url=http://logchecking1.appspot.com/remote_api appcfg.py:41: DeprecationWarning: the sha module is deprecated; use the hashlib module instead os.path.join(DIR_PATH, 'lib', 'antlr3'), /home/crimson/Desktop/google_appengine/google/appengine/tools/ dev_appserver_login.py:33: DeprecationWarning: the md5 module is deprecated; use hashlib instead import md5 Creating bulkloader configuration. [INFO] Logging to bulkloader-log-20100917.105157 [INFO] Throttling transfers: [INFO] Bandwidth: 25 bytes/second [INFO] HTTP connections: 8/second [INFO] Entities inserted/fetched/modified: 20/second [INFO] Batch Size: 10 [INFO] Opening database: bulkloader-progress-20100917.105157.sql3 [INFO] Opening database: bulkloader-results-20100917.105157.sql3 [INFO] Connecting to logchecking1.appspot.com/remote_api [ERROR ] Exception during authentication Traceback (most recent call last): File /home/crimson/Desktop/google_appengine/google/appengine/tools/ bulkloader.py, line 3167, in Run self.request_manager.Authenticate() File /home/crimson/Desktop/google_appengine/google/appengine/tools/ bulkloader.py, line 1176, in Authenticate remote_api_stub.MaybeInvokeAuthentication() File /home/crimson/Desktop/google_appengine/google/appengine/ext/ remote_api/remote_api_stub.py, line 533, in MaybeInvokeAuthentication datastore_stub._server.Send(datastore_stub._path, payload=None) File /home/crimson/Desktop/google_appengine/google/appengine/tools/ appengine_rpc.py, line 336, in Send f = self.opener.open(req) File /usr/lib/python2.6/urllib2.py, line 389, in open response = self._open(req, data) File /usr/lib/python2.6/urllib2.py, line 407, in _open '_open', req) File /usr/lib/python2.6/urllib2.py, line 367, in _call_chain result = func(*args) File /usr/lib/python2.6/urllib2.py, line 1146, in http_open return self.do_open(httplib.HTTPConnection, req) File /usr/lib/python2.6/urllib2.py, line 1121, in do_open raise URLError(err) URLError: urlopen error [Errno -2] Name or service not known [INFO] Authentication Failed How to solve this? -- 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-java@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 . -- 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.
[appengine-java] Re: Problem with persist a child class
Hi, Cyrille but I have at the link for inheritance:
http://code.google.com/intl/en/appengine/docs/java/datastore/relationships.html#Polymorphic_Relationships
And I respect this. But I don´t understand since
It me does not work in the mistake that I present in the first post,
when instance the field class and at the makePersisent() method I have
the exception:
Problem accessing /Prode/JugarFecha.action. Reason:
java.lang.Long cannot be cast to java.lang.String
Caused by:
java.lang.ClassCastException: java.lang.Long cannot be cast to
java.lang.String
at
org.datanucleus.store.appengine.DatastoreRelationFieldManager.checkForParentSwitch(DatastoreRelationFieldManager.java:
202)
at org.datanucleus.store.appengine.DatastoreRelationFieldManager
$1.setObjectViaMapping(DatastoreRelationFieldManager.java:133)
at org.datanucleus.store.appengine.DatastoreRelationFieldManager
$1.apply(DatastoreRelationFieldManager.java:112)
Any can you help me with this?
Thanks
Regards
Lisandro
On 19 sep, 16:57, Cyrille Vincey crll...@gmail.com wrote:
Be aware that inheritance is not supported by GAE yet.
The problem might come from this issue.
See :http://code.google.com/intl/fr-FR/appengine/docs/java/datastore/datac
html
cyrille
On 19/09/10 18:55, lisandrodc lisandr...@gmail.com wrote:
Thanks dushyant , but the exception is of an error of JDO,datanucleus
(seemingly).
That it has to see with the keys it seems to me, is not the problem
that I from my code
can use Long.parseLong(String) to parse. This is something internal
that that should do datanucleus.
Regards.
Lisandro
On 19 sep, 12:19, dushyant bing dush...@gmail.com wrote:
java.lang.ClassCastException: java.lang.Long cannot be cast to
java.lang.String
use Long.parseLong(String) to parse
Sent from my iPad
On Sep 19, 2010, at 7:52 PM, lisandrodc lisandr...@gmail.com wrote:
Hi! I have a problem with persist a child class.
The classes are:
The parent class:
@PersistenceCapable
@Inheritance(strategy = InheritanceStrategy.SUBCLASS_TABLE)
public abstract class Fecha {
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
private Key id;
@Persistent
private String nombre;
@Persistent
private Date
@Persistent
private Date fechaFin;
@Persistent(defaultFetchGroup = true)
ListPartido partidos;
The child class:
@PersistenceCapable
public class RegFechaUsuario extends Fecha {
@Persistent
private int puntos;
@Persistent
private Long idUsuarioFecha;
@Persistent
private Long idFechaOriginal;
And the code of run the exception is:
Transaction tx = pm.currentTransaction();
try {
tx.begin();
pm.makePersistentAll(regFechaUsuario);
//here is the exception
tx.commit();
And the regFechaUsuario is created with the build:
public RegFechaUsuario(String nombre, Date fechaIni, Date fechaFin,
Long idUsuarioFecha, Long idFechaOriginal, ListPartidopartidos)
{
//super(nombre,fechaIni,fechaFin,partidos);
this.puntos = 0;
this.idUsuarioFecha = idUsuarioFecha;
this.idFechaOriginal = idFechaOriginal;
this.partidos=partidos;
}
The exception is:
Problem accessing /Prode/JugarFecha.action. Reason:
java.lang.Long cannot be cast to java.lang.String
Caused by:
java.lang.ClassCastException: java.lang.Long cannot be cast to
java.lang.String
at
org.datanucleus.store.appengine.DatastoreRelationFieldManager.checkForParentS
witch(DatastoreRelationFieldManager.java:
202)
at org.datanucleus.store.appengine.DatastoreRelationFieldManager
$1.setObjectViaMapping(DatastoreRelationFieldManager.java:133)
at org.datanucleus.store.appengine.DatastoreRelationFieldManager
$1.apply(DatastoreRelationFieldManager.java:112)
at
org.datanucleus.store.appengine.DatastoreRelationFieldManager.storeRelations(
DatastoreRelationFieldManager.java:
81)
at
org.datanucleus.store.appengine.DatastoreFieldManager.storeRelations(Datastor
eFieldManager.java:
955)
at
org.datanucleus.store.appengine.DatastorePersistenceHandler.storeRelations(Da
tastorePersistenceHandler.java:
546)
at org.datanucleus.store.appengine.DatastorePersistenceHandler.
Regards
Lisandro
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Re: [appengine-java] Using the Python bulk exporter tool with a Java application
Seems like the account credentials you are using to login may not have admin privileges (i.e. should be a valid user/developer account in your app.), or there is some other authentication mechanism (e.g. spring security) that is invalidating the login. Arun From: John Patterson jdpatter...@gmail.com To: google-appengine-java@googlegroups.com Sent: Mon, 20 September, 2010 6:50:43 AM Subject: Re: [appengine-java] Using the Python bulk exporter tool with a Java application If you feel more comfortable working with Java, I use this code to bulk load and backup data: http://code.google.com/p/remote-datastore/ It intercepts the raw bytes sent to the local datastore and sends them to another remote datastore. Because it operates at this very low level it is very efficient. On 17 Sep 2010, at 12:23, megala dhinakaran wrote: i had created webappliccation project using java,I want to bulk load the data in google app engine datastore,But it shows the following error how to solve this appcfg.py create_bulkloader_config --filename=bulkloader.yaml -- url=http://logchecking1.appspot.com/remote_api appcfg.py:41: DeprecationWarning: the sha module is deprecated; use the hashlib module instead os.path.join(DIR_PATH, 'lib', 'antlr3'), /home/crimson/Desktop/google_appengine/google/appengine/tools/ dev_appserver_login.py:33: DeprecationWarning: the md5 module is deprecated; use hashlib instead import md5 Creating bulkloader configuration. [INFO] Logging to bulkloader-log-20100917.105157 [INFO] Throttling transfers: [INFO] Bandwidth: 25 bytes/second [INFO] HTTP connections: 8/second [INFO] Entities inserted/fetched/modified: 20/second [INFO] Batch Size: 10 [INFO] Opening database: bulkloader-progress-20100917.105157.sql3 [INFO] Opening database: bulkloader-results-20100917.105157.sql3 [INFO] Connecting to logchecking1.appspot.com/remote_api [ERROR ] Exception during authentication Traceback (most recent call last): File /home/crimson/Desktop/google_appengine/google/appengine/tools/ bulkloader.py, line 3167, in Run self.request_manager.Authenticate() File /home/crimson/Desktop/google_appengine/google/appengine/tools/ bulkloader.py, line 1176, in Authenticate remote_api_stub.MaybeInvokeAuthentication() File /home/crimson/Desktop/google_appengine/google/appengine/ext/ remote_api/remote_api_stub.py, line 533, in MaybeInvokeAuthentication datastore_stub._server.Send(datastore_stub._path, payload=None) File /home/crimson/Desktop/google_appengine/google/appengine/tools/ appengine_rpc.py, line 336, in Send f = self.opener.open(req) File /usr/lib/python2.6/urllib2.py, line 389, in open response = self._open(req, data) File /usr/lib/python2.6/urllib2.py, line 407, in _open '_open', req) File /usr/lib/python2.6/urllib2.py, line 367, in _call_chain result = func(*args) File /usr/lib/python2.6/urllib2.py, line 1146, in http_open return self.do_open(httplib.HTTPConnection, req) File /usr/lib/python2.6/urllib2.py, line 1121, in do_open raise URLError(err) URLError: urlopen error [Errno -2] Name or service not known [INFO] Authentication Failed How to solve this? -- 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. -- 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. -- 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.
[appengine-java] parameter values in taskqueue that contain '' gets cut
When using task queue and the parameters contain an ampersand, it gets cut off when you try to its value. example: Queue queue = QueueFactory.getDefaultQueue(); queue.add( url(/mailer) .param(msg,you me) .method(Method.GET) ); and in mailer servlet, when you try to get the value of msg ... msg = request.getParameter(msg); ... what i get is you only. The characters starting from the to the end gets cut off. I even tried to url encode first the message.. but still it gets cut off.. Is this a bug? -- 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.
