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9 discussions - 51 posts

  • Hi, I am using Cayenne 4.0 for the first time with a Web app and I'm having trouble configuring it to create the ObjectContext I can access within my app. When I attempt to start Tomcat and load my ...
    Andrew WillerdingAndrew Willerding
    Jun 12, 2015 at 1:41 pm
    Jun 12, 2015 at 6:21 pm
  • So I finally put my old Cayenne 1.x-upgraded to 3.x app into production. A couple of hours later, I got this error [1]. Note that my app synchronizes requests so only one thread should ever be ...
    Mike KienenbergerMike Kienenberger
    Jun 11, 2015 at 3:19 pm
    Jun 12, 2015 at 3:22 pm
  • I'm wondering how people on this mailing BG list structure their Cayenne projects. The two most common design patterns I have seen are DAO style where the code that implements access is in its own ...
    Jun 8, 2015 at 1:48 pm
    Jun 12, 2015 at 1:30 pm
  • Hi all. Coming from EOF I’ve been mentally trained to believe anything threaded will bite you in the ass in a bad way. Using Cayenne, I’m now writing threaded code and loving it, but I just wanted to ...
    Hugi ThordarsonHugi Thordarson
    Jun 18, 2015 at 9:31 pm
    Jun 19, 2015 at 5:56 am
  • Sorry for a somewhat OT post. There's this fairly new Cayenne-based project called LinkETL [1]. It is a model-driven dynamically-configurable framework to acquire data from external sources and save ...
    Andrus AdamchikAndrus Adamchik
    Jun 11, 2015 at 2:48 pm
    Jun 16, 2015 at 6:53 pm
  • Hi, Can I connect to HP vertica data base from cayenne modeler? I just downloaded apache cayenne 3.1 and don’t see an option for hp vertica. Thanks, Raj Tanneru The information contained in this ...
    Tanneru, RajTanneru, Raj
    Jun 29, 2015 at 6:30 pm
    Jun 30, 2015 at 6:01 am
  • Hi all. Assuming “Device” is a DataObject class containing a property named “username”, this code: Device.USERNAME.isNull().toEJBQL( "alias” ); results in: "alias.username is null" However, if I ...
    Hugi ThordarsonHugi Thordarson
    Jun 22, 2015 at 7:03 pm
    Jun 24, 2015 at 12:02 pm
  • Hi, I'm experiencing a new problem now with deploying a V4 Cayenne project. With Version 3 projects I was able to place the cayenne-xx.xml file where I wanted under the WEB-INF folder and provide a ...
    Andrew WillerdingAndrew Willerding
    Jun 13, 2015 at 1:26 pm
    Jun 15, 2015 at 7:21 am
  • An interesting question came up on stackoverflow on how to dynamically change Cayenne model and DB in a running app. While this feature is unique to Cayenne it is not documented anywhere else. So I ...
    Andrus AdamchikAndrus Adamchik
    Jun 15, 2015 at 7:19 am
    Jun 15, 2015 at 7:19 am
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