Re: My object disappear when I restart ozone.

You're creating a new object on *ANY* exception??!!? That is probably
*really* dangerous and not what you want to do. Rewrite your code to check
for a null obj instead and test again.

-BG



> Hi
>
> I really need your help. my program working very well if I did not
> shutdown it. I can create insert delete. I can restart my application
> and reconnect to my database but when I restart ozone my database will
> disappear. I can't get object from "db.objectForName(ObjName);". It
> return null.
>
> this is my init and main method
>
>
>      public void init(OzoneInterface database){
>          db = database;
>
>          String name = MetCollectionImpl.class.getName();
>
>          Object obj = null;
>
>          try{
>            System.out.println("looking Object name "+ObjName+" from db");
>            obj = db.objectForName(ObjName);
>            metc = (MetCollection)obj;
>            System.out.println("get "+metc.getName()+" read ");
> testRead();
>            testReadComplicate();          testDelete();
>
>          }catch(Exception e){
>            try { //Create new DB
>                System.out.println("can't looking for object because:
> "+e);
>                obj = db.createObject(name, 0,ObjName);
>                System.out.println("create obj name:"+ obj);
>
>                metc = (MetCollection) obj;
>
>                metc.setName("OzoneMetBroker2");
>                System.out.println("ObjectDB name: "+metc.getName()+" was
> created by me");
>
>                testCreate();
>            } catch(Exception e2) {
>                System.out.println("Can't create DB: "+ e2);
>            }
>          }
>      }
>
> public static void main(String[] args) throws Exception{
>
>        System.out.println("Start Local");
>
>        String dbDir = "/java/testozone/ozon";
>        System.out.println("Opening database at "+ dbDir);
>        LocalDatabase database = new LocalDatabase();      if
> (!database.exists(dbDir)){
>             database.create(dbDir);
>        }
>        database.open(dbDir, OzoneDebugLevel.ERROR_STR);
>
>        database.reloadClasses();
>        System.out.println("connect to ozone complete: "+database);
>
>        MetTest msi = new MetTest();
>        msi.init(database);
>        System.out.println("end test");
>      }
>
>
>
>
> please give me some suggestion or some comment what should be wrong in
> my code.
> Thank you very much.
>
> Apirak Panatkool
>
> e-mail [email protected]
> phone 01-4033320



-------------------------------------------------------
This SF.Net email is sponsored by: IBM Linux Tutorials
Free Linux tutorial presented by Daniel Robbins, President and CEO of
GenToo technologies. Learn everything from fundamentals to system
administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click