[appengine-java] Re: name cannot be null or empty exception
Seems like the collection ( bloodDonorEmailList ) you create elsewhere in the code and then use in your query contains null. When querying against the primary key you can't use null because it can't be null, obviously. -- 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.
[appengine-java] Any pointers to how to retreive the data's from data Store and shows it in JSP?
Hi All, Has anyone came across the requirement like this? Have to retreive the data's from Data Store and shows the result set of the dataStore's Data in the JSP? Regards, Suresh -- 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.
Re: [appengine-java] Re: name cannot be null or empty exception
yup that makes a good sense and seems to be solving my issue. Will update Thankx and Regards Vik Founder http://www.sakshum.org http://blog.sakshum.org On Wed, Dec 28, 2011 at 1:34 PM, Anton Mochalin wrote: > Seems like the collection ( bloodDonorEmailList ) you create elsewhere > in the code and then use in your query contains null. When querying > against the primary key you can't use null because it can't be null, > obviously. > > -- > 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-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.
[appengine-java] Re: Any inputs for How to use the DataStore for Java?
Hi Suresh, It might be worth having a look through some of Brandon's examples at http://code.google.com/p/gwt-examples/ Cheers, Simon -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine-java/-/GHftT15awtUJ. 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.
[appengine-java] Re: Simple Java WebServices Call in GAE
Are you trying to expose a Web Service from your Appspot? For this you will need to extend HttpServlet, and configure it in your web.xml with a mapping for your web service. http://code.google.com/appengine/docs/java/runtime.html#Requests_and_Servlets For an example of a REST web service with JSON output, go here: http://goo.gl/0zU0e It uses Spring MVC to manage URL mappings. In this example, the controller receives an AJAX request from a web page to https://example.appspot.com/users/whoami and returns JSON containing information about the logged in user... I use this controller to load user information on the web page, and provide a sign out button. Here's a javascript component that makes the REST call and processes the JSON: http://goo.gl/Z18ev -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine-java/-/6GazSiYJ-8wJ. 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.
Re: [appengine-java] Re: Any inputs for How to use the DataStore for Java?
Hi Suresh, Refer this site "vogella.de" I found this site with great- hands on sample code for google apps. including both java as well as python. http://www.vogella.de/articles/GoogleAppEngineJava/article.html#todo_overview Hope it will be adding blend for your search. Thanks Sundar -Original Message- From: suresh ashok Sent: Wednesday, December 28, 2011 11:14 AM To: Google App Engine for Java Subject: [appengine-java] Re: Any inputs for How to use the DataStore for Java? Hi, I can able to get the details about Java Data Store in Google Application Engine.. But is their any hands-on sample to demonstrate the Java Data Store in GAE. Regards, Suresh On Dec 27, 3:53 pm, Simon Knott wrote: > Hi, > > I highly recommend that you read all of the documentation at: > >-http://code.google.com/appengine/docs/java/datastore/overview.html >- >http://code.google.com/p/twig-persist/wiki/Comparison#Objectify_and_S... > >-http://code.google.com/p/objectify-appengine/wiki/Concepts?tm=6 > > Once you've read all of those, hopefully you will have some more direct > questions to ask. > > Cheers, > Simon -- 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-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.
[appengine-java] twitter4j.TwitterRuntimeException: A JSONObject text must begin with '{' found: (Solucionado)
Gente, si alguien tiene este problemas con la version 2.2.5 de Twitter4J (para GAE), que mientras estamos desarrollando no les falló y al deployar en appengine falla, les cuento que la solución es muy simple, el problema (supongo) debe ser que los requests de appengine soportan gzip y envían a twitter en los headers que el contenido puede venir gzipeado, por lo cual twitter lo envía así haciendo fallar al parser de twitter4j que espera una respuesta REST plana (JSON). La solución en mi caso, que estoy usando la clase ConfigurationBuilder fue usar setGZIPEnabled(false), o sea: ConfigurationBuilder cb = new ConfigurationBuilder(); cb.setOAuthConsumerKey(myOAuthConsumerKey); cb.setOAuthConsumerSecret(myOAuthConsumerSecret); cb.setOAuthAccessToken(myOAuthAccessToken); cb.setOAuthAccessTokenSecret(myOAuthAccessTokenSecret); cb.setGZIPEnabled(false); TwitterFactory fact = new TwitterFactory(cb.build()); Twitter twitter = fact.getInstance(); Saludos! -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine-java/-/eOAMHXG3-ukJ. 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.
[appengine-java] Working application doesn't work when deployed
Hi all, I'm developing a tag recommendation application for todo's. I've got it working perfectly in localhost, but when I deploy it to GAE it fails. More specific my server is throwing NullPointerExceptions (where it doesn't in localhost for exactly the same input). I already googled this kind of error, but I only found one result which was for Python (so not very helpful). Hope u can help me out, Thx, Kristof -- 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.
[appengine-java] GWT RequestFactory to GAE Java Backend Instance
Hi, I´ve been searching for an answer to this question for a while now and couldn´t find any. Although this is also related to GWT, I consider this a GAE configuration problem not a GWT issue. I´m using GWT RequestFactory with GAE and would like to send some requests (long report making) to a backend instance so as to avoid the 30 seconds time limit but can´t find the way to configure this. Maybe it´s got something to do with defining different custom implementations requestFactoryies, in that case maybe it´s a GWT issue. -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine-java/-/S73IvYcB8bYJ. 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.
[appengine-java] Re: Any inputs for How to use the DataStore for Java?
Hi Sundar, It seems that link is fine to learn GAE basics, but their is nothing related to Java Data Store in that url. Regards, Suresh On Dec 28, 11:27 am, wrote: > Hi Suresh, > > Refer this site "vogella.de" > > I found this site with great- hands on sample code for google apps. including > both java as well as python. > > http://www.vogella.de/articles/GoogleAppEngineJava/article.html#todo_... > > Hope it will be adding blend for your search. > > Thanks > Sundar > > > > -Original Message- > From: suresh ashok > Sent: Wednesday, December 28, 2011 11:14 AM > To: Google App Engine for Java > Subject: [appengine-java] Re: Any inputs for How to use the DataStore for > Java? > > Hi, > > I can able to get the details about Java Data Store in Google > Application Engine.. But is their any hands-on sample to demonstrate > the Java Data Store in GAE. > > Regards, > Suresh > > On Dec 27, 3:53 pm, Simon Knott wrote: > > Hi, > > > I highly recommend that you read all of the documentation at: > > > -http://code.google.com/appengine/docs/java/datastore/overview.html > > - > > http://code.google.com/p/twig-persist/wiki/Comparison#Objectify_and_S... > > > -http://code.google.com/p/objectify-appengine/wiki/Concepts?tm=6 > > > Once you've read all of those, hopefully you will have some more direct > > questions to ask. > > > Cheers, > > Simon > > -- > 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 > athttp://groups.google.com/group/google-appengine-java?hl=en.- Hide quoted > text - > > - Show quoted text - -- 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.
Re: [appengine-java] Re: name cannot be null or empty exception
java.lang. IllegalArgumentException: name cannot be null or empty--this is important,find it 2011/12/28 Anton Mochalin > Seems like the collection ( bloodDonorEmailList ) you create elsewhere > in the code and then use in your query contains null. When querying > against the primary key you can't use null because it can't be null, > obviously. > > -- > 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-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.
[appengine-java] Re: Any inputs for How to use the DataStore for Java?
Those are all great references indeed. However, I'm still stumped on this one which should be basic. Using the Low Level API, I still cannot why String Properties break on special characters. thisEntity.setProperty("stringDescription" ,"Save 20% Off anything in store"); A little help on how to (convert?) and store (then get...) Strings containing non-alphanumeric characters with LLAPI? Many Thanks Doug -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine-java/-/Whb8noU7rZMJ. 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.
[appengine-java] Datastore API for free applications.
Hello, I am using GWT+GAE(Java). I am using Datastore api's to upload file data in csv format to my application. I use blobstoreService.createUploadUrl to get a blobstore URL. After I post to this URL(Along with a few of my parameters), the server responds with error 500. The files I am trying to upload are extremely small in size. *Detail response:* 500 Server ErrorError: Server ErrorThe server encountered an error and could not complete your request.Please retry your last submission.If the problem persists, please contact the person responsible for the application you're using, or, if you are that person, http://code.google.com/appengine/community.html";>reportyour problem and mention this error message and the query that caused it. The same code works just fine in the development mode. However I get the above error after deployment. After searching on the web for this, I could only hit results which suggested that I need to enable billing. However according to the release docs, *Version 1.6.0 - November 7, 2011* *Blobstore, which was previously limited to apps with billing enabled, is now available for all apps. * http://code.google.com/p/googleappengine/wiki/SdkForJavaReleaseNotes. My entire application is more or less ready. However this file upload just wont work. Please guide me as to what the issue could be. There is no log produced on the server. Any help would be appreciated. Thanks, Anupam -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine-java/-/dOXKJjmlv0cJ. 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.
[appengine-java] Any Hands-on Sample for CRON-jobs ?
Hi, Did anyone used the CRON-jobs in Java. Regards, Suresh -- 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.
[appengine-java] Any Hands-on Sample for CRON-jobs ?
Hi, Did anyone used the CRON-jobs in Java. Regards, Suresh -- 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.
Re: [appengine-java] Re: Any inputs for How to use the DataStore for Java?
It won't be a problem with the Low-Level API. It works just fine with exotic unicode strings. Your problem is somewhere else in your app, probably somewhere that you are generating the string or rendering it. Jeff On Wed, Dec 28, 2011 at 10:59 AM, Doug wrote: > Those are all great references indeed. However, I'm still stumped on this > one which should be basic. > > Using the Low Level API, I still cannot why String Properties break on > special characters. > > thisEntity.setProperty("stringDescription" ,"Save 20% Off anything in > store"); > > A little help on how to (convert?) and store (then get...) Strings > containing non-alphanumeric characters with LLAPI? > > Many Thanks > Doug > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine for Java" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/google-appengine-java/-/Whb8noU7rZMJ. > > 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. -- We are the 20% -- 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.