[appengine-java] Different Sleeping time on different app engine applications
Hello, Currently I have same code deployed on two instances on the app engine. The issue that I'm encountering is that the first instance is forced to sleep after 30-40 seconds in time, whether the second instance is not sleeping. The strange thing is that both of them are using same version of my code. Any idea what is difference ? Regards, Miroslav -- 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] memcache and session on GAE
Hi everyone. How memcache works on GAE? Let me explain: Do I get one memcache instance per app instance or there is one memcache instance for all instastances of my app? My app uses google accounts to handle users. I am thinking that it might be faster reading the current user data from the memcache instead of calling userService.getCurrentUser(). It would be a good approach? Thanks, Cristian. -- 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] memcache and session on GAE
2010/1/8 nicanor.babula nicanor.bab...@gmail.com Hi everyone. How memcache works on GAE? Let me explain: Do I get one memcache instance per app instance or there is one memcache instance for all instastances of my app? one instance for all app instances. My app uses google accounts to handle users. I am thinking that it might be faster reading the current user data from the memcache instead of calling userService.getCurrentUser(). It would be a good approach? no! memcache data is not persistent, your memcache data could be removed any time for any reason, like limited memory, cache age, etc. I suggest you to go through docs. Thanks, Cristian. -- 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%2bunsubscr...@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.
Re: [appengine-java] memcache and session on GAE
On 01/08/2010 10:58 AM, Prashant Gupta wrote: 2010/1/8 nicanor.babula nicanor.bab...@gmail.com mailto:nicanor.bab...@gmail.com Hi everyone. How memcache works on GAE? Let me explain: Do I get one memcache instance per app instance or there is one memcache instance for all instastances of my app? one instance for all app instances. so if one app instance does: memcacheService.put(loggedUser, userData1); and later another app instance does: (UserData) memcacheService.get(loggedUser); The latter instance will get the same data that the first instance put? My app uses google accounts to handle users. I am thinking that it might be faster reading the current user data from the memcache instead of calling userService.getCurrentUser(). It would be a good approach? no! memcache data is not persistent, your memcache data could be removed any time for any reason, like limited memory, cache age, etc. I suggest you to go through docs. I don't want to use it for persistence. I use the datastore for persistence. Once a user logs in I want to write to the memcache the logged user data in order to read it later (during one login session). Thanks, Cristian. -- 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 mailto:google-appengine-java@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com mailto:google-appengine-java%2bunsubscr...@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] Re: Unable to run on local server after an upgrade to 1.2.8
i have the same error: Initializing AppEngine server The server is running at http://localhost:/ Jan 8, 2010 11:37:15 AM com.google.apphosting.utils.jetty.JettyLogger warn WARNING: EXCEPTION java.lang.NullPointerException at java.util.concurrent.ConcurrentHashMap.put(ConcurrentHashMap.java: 881) at com.google.appengine.tools.development.LocalHttpRequestEnvironment.init (LocalHttpRequestEnvironment.java:45) at com.google.appengine.tools.development.JettyContainerService $ApiProxyHandler.handle(JettyContainerService.java:348) at org.mortbay.jetty.handler.HandlerWrapper.handle (HandlerWrapper.java:139) ... I just installed gwt 2.0 and gae 1.3.0. i created a project and hit Run (like shown in the Get started guide) I cannot run the application (i'm using mozzila firefox i nubuntu 9.04) Can anyone help ? On Dec 11 2009, 10:42 pm, Ikai L (Google) ika...@google.com wrote: Are you seeing this error on a new project? Can you provide steps to reproduce? 2009/12/10 Viðar Svansson vidarsv...@gmail.com This seems to only happen if you are logged in. On Thu, Dec 10, 2009 at 12:58 PM, pjesi vidarsv...@gmail.com wrote: Hi I am getting a strange error after upgrading to 1.2.8: 10.12.2009 12:54:47 com.google.apphosting.utils.jetty.JettyLogger warn WARNING: EXCEPTION java.lang.NullPointerException at java.util.concurrent.ConcurrentHashMap.put(Unknown Source) at com.google.appengine.tools.development.LocalHttpRequestEnvironment.init (LocalHttpRequestEnvironment.java:45) at com.google.appengine.tools.development.JettyContainerService $ApiProxyHandler.handle(JettyContainerService.java:348) at org.mortbay.jetty.handler.HandlerWrapper.handle (HandlerWrapper.java:139) at org.mortbay.jetty.Server.handle(Server.java:313) at org.mortbay.jetty.HttpConnection.handleRequest (HttpConnection.java:506) at org.mortbay.jetty.HttpConnection $RequestHandler.headerComplete(HttpConnection.java:830) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java: 211) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java: 381) at org.mortbay.io.nio.SelectChannelEndPoint.run (SelectChannelEndPoint.java:396) at org.mortbay.thread.BoundedThreadPool$PoolThread.run (BoundedThreadPool.java:442) 10.12.2009 12:54:47 com.google.apphosting.utils.jetty.JettyLogger warn This results in a blank page when I visithttp://localhost:8080/ Any idead? Viðar -- 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%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en. -- Ikai Lan Developer Programs Engineer, 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.
Re: [appengine-java] memcache and session on GAE
2010/1/8 Nicanor Cristian nicanor.bab...@gmail.com On 01/08/2010 10:58 AM, Prashant Gupta wrote: 2010/1/8 nicanor.babula nicanor.bab...@gmail.com Hi everyone. How memcache works on GAE? Let me explain: Do I get one memcache instance per app instance or there is one memcache instance for all instastances of my app? one instance for all app instances. so if one app instance does: memcacheService.put(loggedUser, userData1); and later another app instance does: (UserData) memcacheService.get(loggedUser); The latter instance will get the same data that the first instance put? yeah. My app uses google accounts to handle users. I am thinking that it might be faster reading the current user data from the memcache instead of calling userService.getCurrentUser(). It would be a good approach? no! memcache data is not persistent, your memcache data could be removed any time for any reason, like limited memory, cache age, etc. I suggest you to go through docs. I don't want to use it for persistence. I use the datastore for persistence. Once a user logs in I want to write to the memcache the logged user data in order to read it later (during one login session). yes you can do this but memcache doesn't guarantee to keep the data for you when you come back to see it. so, you must use a persistent storage i.e. datasore, to make sure that you will get your data back next time. what you can do is to save your data to datastore and memcache both, next time if you do not find your data in memcache you can get it from datastore and save it to memcache again for next time ! Thanks, Cristian. -- 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%2bunsubscr...@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.comgoogle-appengine-java%2bunsubscr...@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.
Re: [appengine-java] memcache and session on GAE
here is a small example :
@PersistenceCapable
public class Property implements Serializable{
@PrimaryKey
@Persistent
private String Key;
@Persistent(serialized = true, defaultFetchGroup = true)
private Object Value;
@Persistent
private Long Expiry;
private Property(String key, Object value, long expirationDeltaMillis){
this.Key = key;
this.Value = value;
if(expirationDeltaMillis 0)
this.Expiry = new Date().getTime() + expirationDeltaMillis;
}
public static T T get(String key) {
Property property = WCMSHelper.getObjectById(Property.class, key);
if (property != null
(property.Expiry == null || property.Expiry = new Date().getTime()))
return (T) property.Value;
else
return null;
}
public static void put(String key, Object value) {
Property.put(key, value, -1);
}
public static void put(String key, Object value,
long expirationDeltaMillis) {
Property property = new Property(key, value, expirationDeltaMillis);
*pmf*.makePersistent(property);
*cache*.put(property.Key, property);
}
}
2010/1/8 Prashant Gupta nextprash...@gmail.com
2010/1/8 Nicanor Cristian nicanor.bab...@gmail.com
On 01/08/2010 10:58 AM, Prashant Gupta wrote:
2010/1/8 nicanor.babula nicanor.bab...@gmail.com
Hi everyone.
How memcache works on GAE? Let me explain:
Do I get one memcache instance per app instance or there is one
memcache instance for all instastances of my app?
one instance for all app instances.
so if one app instance does:
memcacheService.put(loggedUser, userData1);
and later another app instance does:
(UserData) memcacheService.get(loggedUser);
The latter instance will get the same data that the first instance put?
yeah.
My app uses google accounts to handle users. I am thinking that it
might be faster reading the current user data from the memcache
instead of calling userService.getCurrentUser(). It would be a good
approach?
no! memcache data is not persistent, your memcache data could be removed
any time for any reason, like limited memory, cache age, etc. I suggest you
to go through docs.
I don't want to use it for persistence. I use the datastore for
persistence.
Once a user logs in I want to write to the memcache the logged user data
in order to read it later (during one login session).
yes you can do this but memcache doesn't guarantee to keep the data for you
when you come back to see it. so, you must use a persistent storage i.e.
datasore, to make sure that you will get your data back next time. what you
can do is to save your data to datastore and memcache both, next time if you
do not find your data in memcache you can get it from datastore and save it
to memcache again for next time !
Thanks,
Cristian.
--
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[appengine-java] Unable to update
i am using appengine-java-sdk-1.3.0. when i deploy the application, i am getting the following exception Creating staging directory Scanning for jsp files. Compiling jsp files. Compiling java files. Scanning files on local disk. Scanned 250 files. Initiating update. java.net.SocketException: No buffer space available (maximum connections reached?): connect Debugging information may be found in C:\Documents and Settings\. \Local Settings\Temp\appengine-deploy4954.log Unable to update: java.net.SocketException: No buffer space available (maximum connections reached?): connect at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(Unknown Source) at java.net.PlainSocketImpl.connectToAddress(Unknown Source) at java.net.PlainSocketImpl.connect(Unknown Source) at java.net.Socket.connect(Unknown Source) at java.net.Socket.connect(Unknown Source) at sun.net.NetworkClient.doConnect(Unknown Source) at sun.net.www.http.HttpClient.openServer(Unknown Source) at sun.net.www.http.HttpClient.openServer(Unknown Source) at sun.net.www.http.HttpClient.init(Unknown Source) at sun.net.www.http.HttpClient.New(Unknown Source) at sun.net.www.http.HttpClient.New(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient (Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.getOutputStream (Unknown Source) at com.google.appengine.tools.admin.ServerConnection.connect (ServerConnection.java:333) at com.google.appengine.tools.admin.ServerConnection.send (ServerConnection.java:127) at com.google.appengine.tools.admin.ServerConnection.post (ServerConnection.java:81) at com.google.appengine.tools.admin.AppVersionUpload.send (AppVersionUpload.java:522) at com.google.appengine.tools.admin.AppVersionUpload.beginTransaction (AppVersionUpload.java:339) at com.google.appengine.tools.admin.AppVersionUpload.doUpload (AppVersionUpload.java:111) at com.google.appengine.tools.admin.AppAdminImpl.update (AppAdminImpl.java:56) at com.google.appengine.eclipse.core.proxy.AppEngineBridgeImpl.deploy (AppEngineBridgeImpl.java:271) at com.google.appengine.eclipse.core.deploy.DeployProjectJob.runInWorkspace (DeployProjectJob.java:148) at org.eclipse.core.internal.resources.InternalWorkspaceJob.run (InternalWorkspaceJob.java:38) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) why ? -- 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] Error creating EntityManagerFactory bean occasionally
Having problem in creating EntityManagerFactory bean occasionally on the production server. There is only one entityManagerFactory bean defined in my setup. bean id=entityManagerFactory class=org.springframework.orm.jpa.LocalEntityManagerFactoryBean property name=persistenceUnitName value=transactions- optional / /bean I have a cron to ping a URL every 3 minutes which just print out a short text to solve the issue of slowness on first time access after idle for a period of times. As per the exception message: Application code attempted to create a EntityManagerFactory named transactions-optional, but one with this name already exists! Instances of EntityManagerFactory are extremely slow to create and it is usually not necessary to create one with a given name more than once. Instead, create a singleton and share it throughout your code. If you really do need to create a duplicate EntityManagerFactory (such as for a unittest suite), set the appengine.orm.disable.duplicate.emf.exception system property to avoid this error. Any idea what is the cause? How to create a singleton for EntityManagerFactory? I am using Spring MVC 3.0 Below is the full stack trace: Nested in org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'personService': Injection of persistence methods failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in URL [file:/ base/data/home/apps/mobisociety/1.339019164908347042/WEB-INF/guestbook- infrastructure.xml]: Invocation of init method failed; nested exception is javax.persistence.PersistenceException: Provider error. Provider: org.datanucleus.store.appengine.jpa.DatastorePersistenceProvider: java.lang.IllegalStateException: Application code attempted to create a EntityManagerFactory named transactions-optional, but one with this name already exists! Instances of EntityManagerFactory are extremely slow to create and it is usually not necessary to create one with a given name more than once. Instead, create a singleton and share it throughout your code. If you really do need to create a duplicate EntityManagerFactory (such as for a unittest suite), set the appengine.orm.disable.duplicate.emf.exception system property to avoid this error. at org.datanucleus.store.appengine.jpa.DatastoreEntityManagerFactory.checkForRepeatedAllocation (DatastoreEntityManagerFactory.java:136) at org.datanucleus.store.appengine.jpa.DatastoreEntityManagerFactory.init (DatastoreEntityManagerFactory.java:64) at org.datanucleus.store.appengine.jpa.DatastorePersistenceProvider.createEntityManagerFactory (DatastorePersistenceProvider.java:35) at javax.persistence.Persistence.createFactory(Persistence.java:172) at javax.persistence.Persistence.createEntityManagerFactory (Persistence.java:112) at org.springframework.orm.jpa.LocalEntityManagerFactoryBean.createNativeEntityManagerFactory (LocalEntityManagerFactoryBean.java:92) at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet (AbstractEntityManagerFactoryBean.java:288) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory $5.run(AbstractAutowireCapableBeanFactory.java:1445) at java.security.AccessController.doPrivileged(Native Method) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods (AbstractAutowireCapableBeanFactory.java:1443) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean (AbstractAutowireCapableBeanFactory.java:1392) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean (AbstractAutowireCapableBeanFactory.java:512) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean (AbstractAutowireCapableBeanFactory.java:450) at org.springframework.beans.factory.support.AbstractBeanFactory $1.getObject(AbstractBeanFactory.java:289) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton (DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean (AbstractBeanFactory.java:286) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean (AbstractBeanFactory.java:188) at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.findDefaultEntityManagerFactory (PersistenceAnnotationBeanPostProcessor.java:506) at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.findEntityManagerFactory (PersistenceAnnotationBeanPostProcessor.java:472) at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor $PersistenceElement.resolveEntityManager (PersistenceAnnotationBeanPostProcessor.java:597) at
[appengine-java] Re: Error creating EntityManagerFactory bean occasionally
I suspect the cause of the problem is the ping cron every 3 minutes. I also get the following warning: This request used a high amount of CPU, and was roughly 1.2 times over the average request CPU limit. High CPU requests have a small quota, and if you exceed this quota, your app will be temporarily disabled. The ping cron is very simple task. It accesses an URL which output a short text Full stack trace: # 0.1.0.1 - - [08/Jan/2010:07:22:05 -0800] GET /ping HTTP/1.1 200 45 - - mobisociety.appspot.com # I 01-08 07:21AM 43.585 javax.servlet.ServletContext log: Initializing Spring root WebApplicationContext # W 01-08 07:21AM 47.796 org.springframework.security.config.method.GlobalMethodSecurityBeanDefinitionParser parse: Expressions were enabled for method security but no SecurityExpressionHandler was configured. All hasPermision() expressions will evaluate to false. # I 01-08 07:22AM 03.596 javax.servlet.ServletContext log: org.tuckey.web.filters.urlrewrite.UrlRewriteFilter INFO: loaded (conf ok) # I 01-08 07:22AM 03.689 javax.servlet.ServletContext log: Initializing Spring FrameworkServlet 'dispatcher' # E 01-08 07:22AM 05.397 org.apache.jasper.runtime.JspFactoryImpl internalGetPageContext: Exception initializing page context java.lang.ExceptionInInitializerError at com.google.appengine.api.memcache.MemcacheServicePb $MemcacheSetResponse.clinit(MemcacheServicePb.java:2649) at com.google.appengine.api.memcache.MemcacheServiceImpl.put (MemcacheServiceImpl.java:315) at com.google.appengine.api.memcache.MemcacheServiceImpl.put (MemcacheServiceImpl.java:376) at com.google.apphosting.runtime.jetty.SessionManager.createSession (SessionManager.java:334) at com.google.apphosting.runtime.jetty.SessionManager $AppEngineSession.init(SessionManager.java:135) at com.google.apphosting.runtime.jetty.SessionManager.newSession (SessionManager.java:265) at com.google.apphosting.runtime.jetty.SessionManager.newSession (SessionManager.java:50) at org.mortbay.jetty.servlet.AbstractSessionManager.newHttpSession (AbstractSessionManager.java:413) at org.mortbay.jetty.Request.getSession(Request.java:1005) at org.mortbay.jetty.Request.getSession(Request.java:977) at org.apache.jasper.runtime.PageContextImpl._initialize (PageContextImpl.java:147) at org.apache.jasper.runtime.PageContextImpl.initialize (PageContextImpl.java:122) at org.apache.jasper.runtime.JspFactoryImpl.internalGetPageContext (JspFactoryImpl.java:104) at org.apache.jasper.runtime.JspFactoryImpl.access$000 (JspFactoryImpl.java:37) at org.apache.jasper.runtime.JspFactoryImpl $PrivilegedGetPageContext.run(JspFactoryImpl.java:151) at com.google.apphosting.runtime.security.shared.intercept.java.security.AccessController_.doPrivileged (AccessController_.java:34) at org.apache.jasper.runtime.JspFactoryImpl.getPageContext (JspFactoryImpl.java:59) at org.apache.jsp.ping_jsp._jspService(ping_jsp.java:33) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94) at javax.servlet.http.HttpServlet.service(HttpServlet.java:806) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java: 487) at org.mortbay.jetty.servlet.ServletHandler.handle (ServletHandler.java:362) at org.mortbay.jetty.security.SecurityHandler.handle (SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle (SessionHandler.java:181) at org.mortbay.jetty.handler.ContextHandler.handle (ContextHandler.java:712) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java: 405) at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:268) at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:126) at org.tuckey.web.filters.urlrewrite.NormalRewrittenUrl.doRewrite (NormalRewrittenUrl.java:195) at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite (RuleChain.java:159) at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java: 141) at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest (UrlRewriter.java:90) at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter (UrlRewriteFilter.java:417) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter (ServletHandler.java:1084) at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal (OpenEntityManagerInViewFilter.java:113) at org.springframework.web.filter.OncePerRequestFilter.doFilter (OncePerRequestFilter.java:76) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter (ServletHandler.java:1084) at org.springframework.security.web.FilterChainProxy.doFilter (FilterChainProxy.java:144) at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate (DelegatingFilterProxy.java:237) at
[appengine-java] Re: Unable to run on local server after an upgrade to 1.2.8
is there a problem if i have the java 1.6.0_14 installed? do i need a new one ? On Jan 8, 1:37 pm, Ice13ill andrei.fifi...@gmail.com wrote: i have the same error: Initializing AppEngine server The server is running athttp://localhost:/ Jan 8, 2010 11:37:15 AM com.google.apphosting.utils.jetty.JettyLogger warn WARNING: EXCEPTION java.lang.NullPointerException at java.util.concurrent.ConcurrentHashMap.put(ConcurrentHashMap.java: 881) at com.google.appengine.tools.development.LocalHttpRequestEnvironment.init (LocalHttpRequestEnvironment.java:45) at com.google.appengine.tools.development.JettyContainerService $ApiProxyHandler.handle(JettyContainerService.java:348) at org.mortbay.jetty.handler.HandlerWrapper.handle (HandlerWrapper.java:139) ... I just installed gwt 2.0 and gae 1.3.0. i created a project and hit Run (like shown in the Get started guide) I cannot run the application (i'm using mozzila firefox i nubuntu 9.04) Can anyone help ? On Dec 11 2009, 10:42 pm, Ikai L (Google) ika...@google.com wrote: Are you seeing this error on a new project? Can you provide steps to reproduce? 2009/12/10 Viðar Svansson vidarsv...@gmail.com This seems to only happen if you are logged in. On Thu, Dec 10, 2009 at 12:58 PM, pjesi vidarsv...@gmail.com wrote: Hi I am getting a strange error after upgrading to 1.2.8: 10.12.2009 12:54:47 com.google.apphosting.utils.jetty.JettyLogger warn WARNING: EXCEPTION java.lang.NullPointerException at java.util.concurrent.ConcurrentHashMap.put(Unknown Source) at com.google.appengine.tools.development.LocalHttpRequestEnvironment.init (LocalHttpRequestEnvironment.java:45) at com.google.appengine.tools.development.JettyContainerService $ApiProxyHandler.handle(JettyContainerService.java:348) at org.mortbay.jetty.handler.HandlerWrapper.handle (HandlerWrapper.java:139) at org.mortbay.jetty.Server.handle(Server.java:313) at org.mortbay.jetty.HttpConnection.handleRequest (HttpConnection.java:506) at org.mortbay.jetty.HttpConnection $RequestHandler.headerComplete(HttpConnection.java:830) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java: 211) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java: 381) at org.mortbay.io.nio.SelectChannelEndPoint.run (SelectChannelEndPoint.java:396) at org.mortbay.thread.BoundedThreadPool$PoolThread.run (BoundedThreadPool.java:442) 10.12.2009 12:54:47 com.google.apphosting.utils.jetty.JettyLogger warn This results in a blank page when I visithttp://localhost:8080/ Any idead? Viðar -- 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%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en. -- Ikai Lan Developer Programs Engineer, 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] Re: Purge _ah_SESSION ???
I found another issue with the /_ah/sessioncleanup servlet. On almost every run, a huge amount of cpu usage is reported! Example: 01-08 07:40AM 53.487 /_ah/sessioncleanup?clear 200 12275ms 7365cpu_ms 3845api_cpu_ms 0kb Jorge Gonzalez On Jan 7, 8:15 pm, Jorge athenas...@gmail.com wrote: The /_ah/sessioncleanup servlet works ok, but it cleans only 100 expired sessions at a time, so one needs to run it often enough to avoid expired sessions to accumulate and no so often that it won't have too few sessions to purge. Kind of complicated!! Someone knows of a better solution? Jorge Gonzalez On Jan 7, 4:13 am, m seleron seler...@gmail.com wrote: Hi, I am sorry for not understanding easily. I retrieved this Group Is this thread usefulhttp://groups.google.com/group/google-appengine-java/browse_thread/th... You may find more useful information . Please look for it. Thanks. Where should I look for this sessionCleanupServlet? On Jan 7, 6:01 am, m seleron seler...@gmail.com wrote: Hi, Though it is likely already to have tried. You might solve the problem by examining sessionCleanupServlet. thanks. On 1月7日, 午後1:18, Jorge athenas...@gmail.com wrote: Is there a way to delete old _ah_SESSION entities? I found a post about deleting all sessions, both from the datastore and from memcache, but I am looking a clean way to delete past sessions and preserve the active ones. Thanks, Jorge Gonzalez -- 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 get session id under a Class which doesn't extend HttpServlet?
Hi, I am trying to implement my own user management system, for that I need some way to make session id available to all classes independent of whether it extends HttpServlet or not. I know there is some way to do that but I am not able to find it. Any kind of help would be appreciated. Thanks. -- 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: Data Nucleus Enhancer Exception
The problem is not only an eclipse problem because it happens in netbeans too. I think this is a java problem. Sometimes java does not compile the right classes. If you have this error again go the the corresponding class file (not java file) and remove it. And if you recompile you will see that the file is now much bigger than before. Until know i do not find a better way to solve this problem. I hope in later versions the problem is not there any more. -- 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] jsp work directory
does anyone know where the jsp work directory is on the dev server? -- 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] multiple contains() clauses on the same table
Thanks for the report, looks like a bug. Multiple contains() clauses are
fine but I didn't properly account for the case where one of the clauses is
on the primary key of the object. The fix should be straightforward but let
me see if I can get you a workaround.
Max
On Thu, Jan 7, 2010 at 7:06 PM, siliconeagle rrmu...@gmail.com wrote:
Basically i have 3 fields in the same table to select by
using .contains() clauses - one is the primary key field
so :keyList (java.util.SetKey) , :feedTypes (java.util.SetInteger)
:contentTypes(java.util.SetInteger) with values i need to select
with.
The Feed object (and the relevant fields) is
@PersistenceCapable(identityType = IdentityType.APPLICATION)
public class Feed {
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
private Key id;
...
@Persistent
private int typeFeed ;
@Persistent
private int typeContent = CONTENT_TYPE_NOTCHECKED;
}
so i try this
Query query1 = pm.newQuery(Feed.class);
query1.setFilter(:keyList.contains(id) :feedTypes.contains
(typeFeed) :contentTypes.contains(typeContent));
query1.setRange(0,500);
MapString, Collection paramsf = new HashMapString, Collection();
paramsf.put(keyList, feedIds);
paramsf.put(feedTypes, feedTypes);
paramsf.put(contentTypes, contentTypes);
feeds = (ListFeed) query1.executeWithMap(paramsf);
and i get
javax.jdo.JDOFatalUserException: Batch lookup by primary key is only
supported if no other filters and no sort orders are defined.
Is there any way around it - from other posts it looks like subqueries
an the IN syntax arent supported.
--
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[appengine-java] Re: Increased reliability issues on AppEngine for the past 48h
I forgot to add that as you can see on the graph that is attached to the previous email, our request/sec rate which has been at about 5 queries/sec for the past few weeks is now showing spikes at 10 queries per sec, followed by drops to 0 queries per sec. There is no logical way to explain this, we should still have a pretty much constant 5 reqs/sec rate. The error rate spikes do not correlate to the reqs/sec unexpected spikes though. Let me know if I can provide additional data for review. Thanks Jerome On Jan 8, 6:54 pm, Jerome Mouton jerome.mou...@gmail.com wrote: Hello, Our AppEngine application has been experiencing an increase rate of bogus exceptions for the past 48+ hours. See the attached image for our requests/seconds and errors/seconds for the last 6 hours. We have been seeing the exact same pattern for the past 2 days. This is an app with billing enabled, and we have way (over 10x) below our billing quotas. The only change we can figure out that started at about the same time as this increase rate of error was the usage of the XMPP API being more frequent than before, but the exceptions are not related to the XMPP API calls, they are the one of the following: - com.google.appengine.api.datastore.DatastoreTimeoutException: Unknown on servlets data store JDO queries that are expected to be (and most of the time are) extremely fast; when it fails, the servlet shows times in this area: 4135ms 187cpu_ms 12api_cpu_ms - com.google.apphosting.api.ApiProxy$ApiDeadlineExceededException: The API call datastore_v3.RunQuery() took too long to respond and was cancelled. on servlets data store JDO queries that are expected to be (and most of the time are) extremely fast; when it fails, the servlet shows times in this area: 5464ms 194cpu_ms - Request was aborted after waiting too long to attempt to service your request. Most likely, this indicates that you have reached your simultaneous dynamic request limit. This is almost always due to excessively high latency in your app. Please seehttp://code.google.com/appengine/docs/quotas.htmlfor more details. Is this reliability degradation for the past 48 hours seen by other users? If a Googler needs our appId for review, please drop me an email. Thank you. Jerome 20100108-appengine_issue.png 80KViewDownload -- 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] jpa query
Just out of curiosity, what happens when you do it with a parameter? Also note that I've simplified your query; I'm looking at the DataNucleus example for an implicit parameter (http://xrl.in/47e5). Query query = pm.newQuery(select from com.testing.model.Usertest.class where username = :nameParam); List results = (List) query.execute(test); asianCoolz wrote: may i know is this correct jpa query? Query query = entityManager.createQuery(select c from com.testing.model.Usertest c where c.username = 'test' ); after i did query.getResultList(). It's zero. Please point out where i did wrong -- 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] Re: Increased reliability issues on AppEngine for the past 48h
What's your app id? (privately if you'd like) On Fri, Jan 8, 2010 at 11:58 AM, Jerome jerome.mou...@gmail.com wrote: I forgot to add that as you can see on the graph that is attached to the previous email, our request/sec rate which has been at about 5 queries/sec for the past few weeks is now showing spikes at 10 queries per sec, followed by drops to 0 queries per sec. There is no logical way to explain this, we should still have a pretty much constant 5 reqs/sec rate. The error rate spikes do not correlate to the reqs/sec unexpected spikes though. Let me know if I can provide additional data for review. Thanks Jerome On Jan 8, 6:54 pm, Jerome Mouton jerome.mou...@gmail.com wrote: Hello, Our AppEngine application has been experiencing an increase rate of bogus exceptions for the past 48+ hours. See the attached image for our requests/seconds and errors/seconds for the last 6 hours. We have been seeing the exact same pattern for the past 2 days. This is an app with billing enabled, and we have way (over 10x) below our billing quotas. The only change we can figure out that started at about the same time as this increase rate of error was the usage of the XMPP API being more frequent than before, but the exceptions are not related to the XMPP API calls, they are the one of the following: - com.google.appengine.api.datastore.DatastoreTimeoutException: Unknown on servlets data store JDO queries that are expected to be (and most of the time are) extremely fast; when it fails, the servlet shows times in this area: 4135ms 187cpu_ms 12api_cpu_ms - com.google.apphosting.api.ApiProxy$ApiDeadlineExceededException: The API call datastore_v3.RunQuery() took too long to respond and was cancelled. on servlets data store JDO queries that are expected to be (and most of the time are) extremely fast; when it fails, the servlet shows times in this area: 5464ms 194cpu_ms - Request was aborted after waiting too long to attempt to service your request. Most likely, this indicates that you have reached your simultaneous dynamic request limit. This is almost always due to excessively high latency in your app. Please seehttp:// code.google.com/appengine/docs/quotas.htmlfor more details. Is this reliability degradation for the past 48 hours seen by other users? If a Googler needs our appId for review, please drop me an email. Thank you. Jerome 20100108-appengine_issue.png 80KViewDownload -- 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%2bunsubscr...@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.
Re: [appengine-java] jsp work directory
What do you mean by work directory? siliconeagle wrote: does anyone know where the jsp work directory is on the dev server? -- 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] multiple contains() clauses on the same table
I'm really sorry but I've been unable to construct an equivalent query that
avoids this bug. If the size of keyList isn't too large I'd recommend
executing a batch get to retrieve all those objects by id and then applying
the rest of your filter in-memory.
Sorry for the trouble.
Max
On Fri, Jan 8, 2010 at 9:48 AM, Max Ross (Google)
maxr+appeng...@google.commaxr%2bappeng...@google.com
wrote:
Thanks for the report, looks like a bug. Multiple contains() clauses are
fine but I didn't properly account for the case where one of the clauses is
on the primary key of the object. The fix should be straightforward but let
me see if I can get you a workaround.
Max
On Thu, Jan 7, 2010 at 7:06 PM, siliconeagle rrmu...@gmail.com wrote:
Basically i have 3 fields in the same table to select by
using .contains() clauses - one is the primary key field
so :keyList (java.util.SetKey) , :feedTypes (java.util.SetInteger)
:contentTypes(java.util.SetInteger) with values i need to select
with.
The Feed object (and the relevant fields) is
@PersistenceCapable(identityType = IdentityType.APPLICATION)
public class Feed {
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
private Key id;
...
@Persistent
private int typeFeed ;
@Persistent
private int typeContent = CONTENT_TYPE_NOTCHECKED;
}
so i try this
Query query1 = pm.newQuery(Feed.class);
query1.setFilter(:keyList.contains(id) :feedTypes.contains
(typeFeed) :contentTypes.contains(typeContent));
query1.setRange(0,500);
MapString, Collection paramsf = new HashMapString, Collection();
paramsf.put(keyList, feedIds);
paramsf.put(feedTypes, feedTypes);
paramsf.put(contentTypes, contentTypes);
feeds = (ListFeed) query1.executeWithMap(paramsf);
and i get
javax.jdo.JDOFatalUserException: Batch lookup by primary key is only
supported if no other filters and no sort orders are defined.
Is there any way around it - from other posts it looks like subqueries
an the IN syntax arent supported.
--
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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
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.
For more options, visit this group at
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[appengine-java] Re: Purge _ah_SESSION ???
And worst. # 01-08 10:11AM 36.094 /_ah/sessioncleanup?clear 500 10275ms 17617cpu_ms 13845api_cpu_ms 4kb See details 0.1.0.1 - - [08/Jan/2010:10:11:46 -0800] GET /_ah/sessioncleanup? clear HTTP/1.1 500 4868 - - wcondominios.appspot.com # W 01-08 10:11AM 46.311 /_ah/sessioncleanup com.google.appengine.api.datastore.DatastoreTimeoutException: Unknown Jorge Gonzalez On Jan 8, 11:13 am, Jorge athenas...@gmail.com wrote: I found another issue with the /_ah/sessioncleanup servlet. On almost every run, a huge amount of cpu usage is reported! Example: 01-08 07:40AM 53.487 /_ah/sessioncleanup?clear 200 12275ms 7365cpu_ms 3845api_cpu_ms 0kb Jorge Gonzalez On Jan 7, 8:15 pm, Jorge athenas...@gmail.com wrote: The /_ah/sessioncleanup servlet works ok, but it cleans only 100 expired sessions at a time, so one needs to run it often enough to avoid expired sessions to accumulate and no so often that it won't have too few sessions to purge. Kind of complicated!! Someone knows of a better solution? Jorge Gonzalez On Jan 7, 4:13 am, m seleron seler...@gmail.com wrote: Hi, I am sorry for not understanding easily. I retrieved this Group Is this thread usefulhttp://groups.google.com/group/google-appengine-java/browse_thread/th... You may find more useful information . Please look for it. Thanks. Where should I look for this sessionCleanupServlet? On Jan 7, 6:01 am, m seleron seler...@gmail.com wrote: Hi, Though it is likely already to have tried. You might solve the problem by examining sessionCleanupServlet. thanks. On 1月7日, 午後1:18, Jorge athenas...@gmail.com wrote: Is there a way to delete old _ah_SESSION entities? I found a post about deleting all sessions, both from the datastore and from memcache, but I am looking a clean way to delete past sessions and preserve the active ones. Thanks, Jorge Gonzalez -- 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] multiple contains() clauses on the same table
Issued filed:
http://code.google.com/p/datanucleus-appengine/issues/detail?id=185
On Fri, Jan 8, 2010 at 10:12 AM, Max Ross (Google)
maxr+appeng...@google.com maxr%2bappeng...@google.com wrote:
I'm really sorry but I've been unable to construct an equivalent query that
avoids this bug. If the size of keyList isn't too large I'd recommend
executing a batch get to retrieve all those objects by id and then applying
the rest of your filter in-memory.
Sorry for the trouble.
Max
On Fri, Jan 8, 2010 at 9:48 AM, Max Ross (Google)
maxr+appeng...@google.com maxr%2bappeng...@google.com wrote:
Thanks for the report, looks like a bug. Multiple contains() clauses are
fine but I didn't properly account for the case where one of the clauses is
on the primary key of the object. The fix should be straightforward but let
me see if I can get you a workaround.
Max
On Thu, Jan 7, 2010 at 7:06 PM, siliconeagle rrmu...@gmail.com wrote:
Basically i have 3 fields in the same table to select by
using .contains() clauses - one is the primary key field
so :keyList (java.util.SetKey) , :feedTypes (java.util.SetInteger)
:contentTypes(java.util.SetInteger) with values i need to select
with.
The Feed object (and the relevant fields) is
@PersistenceCapable(identityType = IdentityType.APPLICATION)
public class Feed {
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
private Key id;
...
@Persistent
private int typeFeed ;
@Persistent
private int typeContent = CONTENT_TYPE_NOTCHECKED;
}
so i try this
Query query1 = pm.newQuery(Feed.class);
query1.setFilter(:keyList.contains(id) :feedTypes.contains
(typeFeed) :contentTypes.contains(typeContent));
query1.setRange(0,500);
MapString, Collection paramsf = new HashMapString, Collection();
paramsf.put(keyList, feedIds);
paramsf.put(feedTypes, feedTypes);
paramsf.put(contentTypes, contentTypes);
feeds = (ListFeed) query1.executeWithMap(paramsf);
and i get
javax.jdo.JDOFatalUserException: Batch lookup by primary key is only
supported if no other filters and no sort orders are defined.
Is there any way around it - from other posts it looks like subqueries
an the IN syntax arent supported.
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Re: [appengine-java] [ANN] DataNucleus AccessPlatform 2.0 released
Congrats on the release Andy! The App Engine DataNucleus plugin is not going to work out-of-the-box with DN 2.0 so please wait until we (Google) update our stuff. This is going to take some time for us but we will get it taken care of. Max On Fri, Jan 8, 2010 at 9:44 AM, Rusty Wright rwright.li...@gmail.comwrote: If we're getting the DataNucleus jars by way of maven dependencies, do you recommend that we wait until Google updates their stuff before we use 2.0 or can we start using your 2.0 version now? datanucleus wrote: The next generation of DataNucleus AccessPlatform has now been released. This includes much internal restructuring and API changes to simplify future directions, as well as many feature additions, including support for more datastore types. Of the things that impact on GAE/J usage : non-tx persist/delete operations are now atomic, L2 cached is enabled by default, support for singleton PMF/EMF pattern, preview for many JPA2 features, full support for JDO2.3 features, auto- generation of primary key classes during enhancement, support for persistence of JodaTime types, ability to cache query compilations and query results, and many other things. Obviously, the current version of the GAE/J DataNucleus plugin doesn't support this version of DataNucleus yet, but if any of the items listed above would be desirable to your project then I suggest that you star the following issue http://code.google.com/p/datanucleus-appengine/issues/detail?id=103colspec=ID%20Stars%20Type%20Status%20Priority%20FoundIn%20TargetRelease%20Owner%20Summary -- 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%2bunsubscr...@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.
Re: [appengine-java] multiple contains() clauses on the same table
Fixed in trunk.
On Fri, Jan 8, 2010 at 10:31 AM, Max Ross (Google)
maxr+appeng...@google.com maxr%2bappeng...@google.com wrote:
Issued filed:
http://code.google.com/p/datanucleus-appengine/issues/detail?id=185
On Fri, Jan 8, 2010 at 10:12 AM, Max Ross (Google)
maxr+appeng...@google.com maxr%2bappeng...@google.com wrote:
I'm really sorry but I've been unable to construct an equivalent query
that avoids this bug. If the size of keyList isn't too large I'd recommend
executing a batch get to retrieve all those objects by id and then applying
the rest of your filter in-memory.
Sorry for the trouble.
Max
On Fri, Jan 8, 2010 at 9:48 AM, Max Ross (Google)
maxr+appeng...@google.com maxr%2bappeng...@google.com wrote:
Thanks for the report, looks like a bug. Multiple contains() clauses are
fine but I didn't properly account for the case where one of the clauses is
on the primary key of the object. The fix should be straightforward but let
me see if I can get you a workaround.
Max
On Thu, Jan 7, 2010 at 7:06 PM, siliconeagle rrmu...@gmail.com wrote:
Basically i have 3 fields in the same table to select by
using .contains() clauses - one is the primary key field
so :keyList (java.util.SetKey) , :feedTypes (java.util.SetInteger)
:contentTypes(java.util.SetInteger) with values i need to select
with.
The Feed object (and the relevant fields) is
@PersistenceCapable(identityType = IdentityType.APPLICATION)
public class Feed {
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
private Key id;
...
@Persistent
private int typeFeed ;
@Persistent
private int typeContent = CONTENT_TYPE_NOTCHECKED;
}
so i try this
Query query1 = pm.newQuery(Feed.class);
query1.setFilter(:keyList.contains(id) :feedTypes.contains
(typeFeed) :contentTypes.contains(typeContent));
query1.setRange(0,500);
MapString, Collection paramsf = new HashMapString, Collection();
paramsf.put(keyList, feedIds);
paramsf.put(feedTypes, feedTypes);
paramsf.put(contentTypes, contentTypes);
feeds = (ListFeed) query1.executeWithMap(paramsf);
and i get
javax.jdo.JDOFatalUserException: Batch lookup by primary key is only
supported if no other filters and no sort orders are defined.
Is there any way around it - from other posts it looks like subqueries
an the IN syntax arent supported.
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[appengine-java] Empty DataNucleus Enhancer Log
Is there a special trick to viewing the DataNucelus enhancer log in
Windows Vista? In my {$USER}\AppData\Local\Temp directory I see new
files like enhance5972975064635271229.log get created whenever the
enhancer runs, but they're always empty.
Am I looking in the wrong spot? Also, I have my logging.properties
file set to FINE, but this seems to have no effect on the contents
of the enhancer log files (assuming I'm looking in the right spot).
Thanks!
david
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[appengine-java] Re: App Engine SDK 1.3.0 maven repo
Here's an article that documents how to deploy the App Engine JARs to your own maven repo: http://www.bitmechanic.com/blog/?p=30 -- James On Dec 22 2009, 1:32 pm, Andreas Källberg andreas.kallb...@gmail.com wrote: Is someone going to do something about this? It's has been wrong for some time now. And also, another typo:http://www.mvnsearch.org/maven2/com/google/appengine/orm/datanucleus-... It's a space in the version folder name :-( Please, there are a significant number ofmavenusers out here that would appreciate this... .../Andreas On 15 Dec, 20:11, Rusty Wright rwright.li...@gmail.com wrote: Here I am, yet anothermavenuser whining about some new release not being correct in themavenrepo. The appengine-api-1.0-labs directory has a1.3.0 directory, but in it are jars named with 1.2.8: http://www.mvnsearch.org/maven2/com/google/appengine/appengine-api-1 George Moschovitis wrote: This is a long awaited feature. Some problems though: - Instead of the serve() helper I would expect access to the blobs through a url, something like: http://my-app.appenginebs.com/blob-key - No support for organization in directories - A method to manipulate the uploaded blobs is missing (for example cropping/resizing big images) - No free quota -g. On Dec 15, 6:00 am, Jason (Google) apija...@google.com wrote: Hi Everyone. We just released version1.3.0 of the App Engine SDK for both Python and Java. The most notable change is the new experimental Blobstore API which allows billed apps to store files up to 50 MB. The release also includes some performance tweaks to the Java runtime. Blog post:http://googleappengine.blogspot.com/2009/12/app-engine-sdk-130-releas... Release notes: Python:http://code.google.com/p/googleappengine/wiki/SdkReleaseNotes Java:http://code.google.com/p/googleappengine/wiki/SdkForJavaReleaseNotes Cheers! - 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 athttp://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: jsp work directory
the directory where the jsps are translated into java files and compiled. like in tomcat. On Jan 8, 6:03 pm, Rusty Wright rwright.li...@gmail.com wrote: What do you mean by work directory? siliconeagle wrote: does anyone know where the jsp work directory is on the dev server? -- 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: multiple contains() clauses on the same table
No worries, when do you think it might be fixed? just out of interest,
no pressure ;)
On Jan 8, 6:12 pm, Max Ross (Google) maxr+appeng...@google.com
wrote:
I'm really sorry but I've been unable to construct an equivalent query that
avoids this bug. If the size of keyList isn't too large I'd recommend
executing a batch get to retrieve all those objects by id and then applying
the rest of your filter in-memory.
Sorry for the trouble.
Max
On Fri, Jan 8, 2010 at 9:48 AM, Max Ross (Google)
maxr+appeng...@google.commaxr%2bappeng...@google.com
wrote:
Thanks for the report, looks like a bug. Multiple contains() clauses are
fine but I didn't properly account for the case where one of the clauses is
on the primary key of the object. The fix should be straightforward but let
me see if I can get you a workaround.
Max
On Thu, Jan 7, 2010 at 7:06 PM, siliconeagle rrmu...@gmail.com wrote:
Basically i have 3 fields in the same table to select by
using .contains() clauses - one is the primary key field
so :keyList (java.util.SetKey) , :feedTypes (java.util.SetInteger)
:contentTypes(java.util.SetInteger) with values i need to select
with.
The Feed object (and the relevant fields) is
@PersistenceCapable(identityType = IdentityType.APPLICATION)
public class Feed {
�...@primarykey
�...@persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
private Key id;
...
�...@persistent
private int typeFeed ;
�...@persistent
private int typeContent = CONTENT_TYPE_NOTCHECKED;
}
so i try this
Query query1 = pm.newQuery(Feed.class);
query1.setFilter(:keyList.contains(id) :feedTypes.contains
(typeFeed) :contentTypes.contains(typeContent));
query1.setRange(0,500);
MapString, Collection paramsf = new HashMapString, Collection();
paramsf.put(keyList, feedIds);
paramsf.put(feedTypes, feedTypes);
paramsf.put(contentTypes, contentTypes);
feeds = (ListFeed) query1.executeWithMap(paramsf);
and i get
javax.jdo.JDOFatalUserException: Batch lookup by primary key is only
supported if no other filters and no sort orders are defined.
Is there any way around it - from other posts it looks like subqueries
an the IN syntax arent supported.
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[appengine-java] Re: multiple contains() clauses on the same table
That would be great as i am just taking a guess at what is the
smallest select set at the moment and filtering the rest in memory.
thanks for the response.
regards,
rob
On Jan 8, 5:48 pm, Max Ross (Google) maxr+appeng...@google.com
wrote:
Thanks for the report, looks like a bug. Multiple contains() clauses are
fine but I didn't properly account for the case where one of the clauses is
on the primary key of the object. The fix should be straightforward but let
me see if I can get you a workaround.
Max
On Thu, Jan 7, 2010 at 7:06 PM, siliconeagle rrmu...@gmail.com wrote:
Basically i have 3 fields in the same table to select by
using .contains() clauses - one is the primary key field
so :keyList (java.util.SetKey) , :feedTypes (java.util.SetInteger)
:contentTypes(java.util.SetInteger) with values i need to select
with.
The Feed object (and the relevant fields) is
@PersistenceCapable(identityType = IdentityType.APPLICATION)
public class Feed {
�...@primarykey
�...@persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
private Key id;
...
�...@persistent
private int typeFeed ;
�...@persistent
private int typeContent = CONTENT_TYPE_NOTCHECKED;
}
so i try this
Query query1 = pm.newQuery(Feed.class);
query1.setFilter(:keyList.contains(id) :feedTypes.contains
(typeFeed) :contentTypes.contains(typeContent));
query1.setRange(0,500);
MapString, Collection paramsf = new HashMapString, Collection();
paramsf.put(keyList, feedIds);
paramsf.put(feedTypes, feedTypes);
paramsf.put(contentTypes, contentTypes);
feeds = (ListFeed) query1.executeWithMap(paramsf);
and i get
javax.jdo.JDOFatalUserException: Batch lookup by primary key is only
supported if no other filters and no sort orders are defined.
Is there any way around it - from other posts it looks like subqueries
an the IN syntax arent supported.
--
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[appengine-java] Persist/query test.test1.Test and test.test2.Test
I have two persistable classes: test.test1.Test and test.test2.Test,
but I can't persist/query objects of these classes right. There is a
simple example shows wrong behavior:
test.TestServlet.java:
package test;
import java.io.IOException;
import javax.jdo.JDOHelper;
import javax.jdo.PersistenceManager;
import javax.jdo.PersistenceManagerFactory;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class TestServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse
response) throws IOException {
PersistenceManager pm = pmFactory.getPersistenceManager();
pm.makePersistent(new test.test1.Test(1, test1));
pm.close();
pm = pmFactory.getPersistenceManager();
pm.makePersistent(new test.test2.Test(1, test2));
pm.close();
pm = pmFactory.getPersistenceManager();
response.getWriter().println(RESULT: + pm.getObjectById
(test.test1.Test.class, 1));
pm.close();
}
public static final PersistenceManagerFactory pmFactory =
JDOHelper.getPersistenceManagerFactory(transactions-optional);
}
test.test1.TestServlet.java and test.test2.TestServlet.java are the
same except package name, so I missed it:
import javax.jdo.annotations.*;
@PersistenceCapable(identityType = IdentityType.APPLICATION)
public class Test {
public Test(String id, String data) {
this.id = id; this.data = data;
}
public String toString() {
return getClass().getName() + : id= + id + data= + data;
}
@PrimaryKey
private String id;
@Persistent
private String data;
}
Surprising result I got is following:
RESULT: test.test1.Test: id=1 data=test2
Expected result:
RESULT: test.test1.Test: id=1 data=test1
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[appengine-java] No JDO support for datanucleus ObjectStringConverter?
I wrote a datanucleus javaTypes plugin (for joda-time LocalDate) based on the org.datanuclues.store.types.ObjectStringConverter interface. You probably know that this interface allows non-basic types to declare their ability to marshal themselves to/from a String representation for persistence. In my case it'd be particularly helpful because the String representation's natural sort order matches the sort order of the class itself, so it'd be indexable. The datanucleus layer seems to find and register the plugin, because I get this FINE debug line when I include my plugin: Jan 8, 2010 8:47:42 PM org.datanucleus.store.types.TypeManager addJavaType FINE: Adding support for Java type org.joda.time.LocalDate (persistent=true, DFG=true, embedded=true) But when it tries to persist a field of type LocalDate I still get the following stack, with or without my plugin: java.lang.IllegalArgumentException: eventDate: org.joda.time.LocalDate is not a supported property type. at com.google.appengine.api.datastore.DataTypeUtils.checkSupportedSingleValue (DataTypeUtils.java:145) at com.google.appengine.api.datastore.DataTypeUtils.checkSupportedValue (DataTypeUtils.java:127) at com.google.appengine.api.datastore.Entity.setProperty(Entity.java: 280) at org.datanucleus.store.appengine.DatastoreFieldManager.storeObjectField (DatastoreFieldManager.java:798) at org.datanucleus.state.AbstractStateManager.providedObjectField (AbstractStateManager.java:1037) at com.inetdevboy.model.Event.jdoProvideField(Event.java) at com.inetdevboy.model.Event.jdoProvideFields(Event.java) [more]... I'd really like to avoid having to declare separate persistence fields with lifecycle listeners to accommodate every LocalDate field. Is there a lever in the existing GAE implementation I haven't pulled to engage my plugin? BTW, I'm aware that there's an existing JodaTime datanucleus plugin, but it appears to require DataNucleus 2, and my implementation is essentially the same as theirs, just without the ORM support. Please help! [Using GAE SDK 1.3.0] -- 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] Unauthorized sender for mail (when accessing GAE from Google Apps account)
When sending mail, I get the following error: utils.Utils sendMail: javax.mail.SendFailedException: Send failure (javax.mail.MessagingException: Illegal Arguments (java.lang.IllegalArgumentException: Unauthorized Sender: Unauthorized sender) The from address is set to the email address that I use to log into GAE. I am accessing GAE through the account I use for Google Apps. I tried adding another developer to the app and use that email as as the from address but still received the same error. Any ideas? Thanks -- 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: jpa query
thank you for your response Rusty. I already tried with parameter. return 0, that is why i retry with simply statement select c from com.testing.model.Usertest c where c.username = 'test' . the example in datanucleus website is using pm. while i'm using jpa entitymanager. -- 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: how to get session id under a Class which doesn't extend HttpServlet?
On 9 Jan, 01:27, Prashant Gupta nextprash...@gmail.com wrote: I am trying to implement my own user management system, for that I need some way to make session id available to all classes independent of whether it extends HttpServlet or not. I know there is some way to do that but I am not able to find it. Any kind of help would be appreciated. One way to do it is to use a servlet filter to make the user information available through a ThreadLocal instance. That way you can have a single static method that returns the user wherever you are. -- 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: Handling incoming emails, broken due incorrect attachment size.
Can anyone verify this, problem still exists and is a show stopper. Response from google? -- 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] Re: App Engine SDK 1.3.0 maven repo
Those instructions seem a bit more than what is needed in my opinion. I just used the maven command to install the jars in my local repository ~/.m2 (actually some place different on my Windows pc). I use the following copy.cmd file on my pc; all of the jar files it references are in the same directory: rem PATH=C:\Program Files\Apache Software Foundation\apache-maven-2.0.9\bin start mvn install:install-file -DgroupId=com.google.appengine -DartifactId=appengine-api-1.0-labs -Dversion=1.3.0 -Dpackaging=jar -DcreateChecksum=true -Dfile=appengine-api-1.0-labs-1.3.0.jar -DgeneratePom=true pause start mvn install:install-file -DgroupId=com.google.appengine -DartifactId=appengine-api-1.0-sdk -Dversion=1.3.0 -Dpackaging=jar -DcreateChecksum=true -Dfile=appengine-api-1.0-sdk-1.3.0.jar -DgeneratePom=true pause start mvn install:install-file -DgroupId=com.google.appengine -DartifactId=appengine-api-1.0-stubs -Dversion=1.3.0 -Dpackaging=jar -DcreateChecksum=true -Dfile=appengine-api-1.0-stubs.jar -DgeneratePom=true pause start mvn install:install-file -DgroupId=com.google.appengine.orm -DartifactId=datanucleus-appengine -Dversion=1.0.4.1.final -Dpackaging=jar -DcreateChecksum=true -Dfile=datanucleus-appengine-1.0.4.1.final.jar -DgeneratePom=true I run it in a dos window and it creates a new window for each maven line. On windows each maven line has to be one long line; on Unix you can use backslashes and wrap them. James Cooper wrote: Here's an article that documents how to deploy the App Engine JARs to your own maven repo: http://www.bitmechanic.com/blog/?p=30 -- James On Dec 22 2009, 1:32 pm, Andreas Källberg andreas.kallb...@gmail.com wrote: Is someone going to do something about this? It's has been wrong for some time now. And also, another typo:http://www.mvnsearch.org/maven2/com/google/appengine/orm/datanucleus-... It's a space in the version folder name :-( Please, there are a significant number ofmavenusers out here that would appreciate this... .../Andreas On 15 Dec, 20:11, Rusty Wright rwright.li...@gmail.com wrote: Here I am, yet anothermavenuser whining about some new release not being correct in themavenrepo. The appengine-api-1.0-labs directory has a1.3.0 directory, but in it are jars named with 1.2.8: http://www.mvnsearch.org/maven2/com/google/appengine/appengine-api-1 George Moschovitis wrote: This is a long awaited feature. Some problems though: - Instead of the serve() helper I would expect access to the blobs through a url, something like: http://my-app.appenginebs.com/blob-key - No support for organization in directories - A method to manipulate the uploaded blobs is missing (for example cropping/resizing big images) - No free quota -g. On Dec 15, 6:00 am, Jason (Google) apija...@google.com wrote: Hi Everyone. We just released version1.3.0 of the App Engine SDK for both Python and Java. The most notable change is the new experimental Blobstore API which allows billed apps to store files up to 50 MB. The release also includes some performance tweaks to the Java runtime. Blog post:http://googleappengine.blogspot.com/2009/12/app-engine-sdk-130-releas... Release notes: Python:http://code.google.com/p/googleappengine/wiki/SdkReleaseNotes Java:http://code.google.com/p/googleappengine/wiki/SdkForJavaReleaseNotes Cheers! - 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 athttp://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: custom vs. generated keys / storage?
could someone from Google weigh in on this? thanks, Viktor On Jan 6, 12:43 pm, phraktle phrak...@gmail.com wrote: Hi, I'm using the low-level DS API, thus short names for kinds, etc, and my keys are already quite compact. The encoded version is in fact significantly longer than my ownkey. So it would optimal, if DS did not try to second-guess and bloat my PKs. How do you know that DS doesn't actually store both versions? Do you know how to decode the DSkey? Regards, Viktor On Jan 5, 5:54 am, jd jdpatter...@gmail.com wrote: The encoded EntityKey is a representation that includes yourkey name, entity kind, ancestors and app id - encoded into a form that is safe to use in urls etc. Keeping your keys small and kinds small (i.e. using short class names) will reduce storage space of keys in the DS. In Twig (i.e. not JDO) you can keep the names of your classes as you like and then override typetoKind(Type) to return abbreviated names. I found that this saves a significant amount of space in my app that has many relations between entities. http://code.google.com/p/twig-persist/ On Jan 4, 5:01 pm, phraktle phrak...@gmail.com wrote: Hi, I'm generating my own entity keys, with new Entity(Foo, myId). I noticed that in the DataStore viewer, these entities still seem to have a defaultkey: Decoded entitykey: Foo: name=myId Entitykey: ahFzY2FyYWJyZWNvbW1lbmRlcnJACxIVUHJvZHVjdFJlY29tbWVuZGF0aW9uIiU1OTg1MEMzMzM wOUZGRjV8MjAxMDAxMDQwMTAzNTN8cHJvZF8wDA So the Entitykey here still seems to be generated by GAE. Why is this needed? I do have a primarykeyalready. So does it get stored as simply another indexed column? Does this impact storage space too? I don't need the GAE entitykeyat all, and would prefer not having to pay for its storage either :) Thanks, Viktor -- 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.
