Java Development

[prajith]

I have done an application with data base access(local db using RIM API with vector class). But there is a problem when upgrading the OS from 4 to 5 There is a problem showing "uncaught exception java.lang error"

I have the feel that the data base cleared.

Please let me know what are the possible issues (in installed application) can come   while upgrading the OS.

[peter_strange]

Can you tell us the device you upgraded, and the OS Level that was on that device?

[CMY]

The persistent store is erased on a OS upgrade. So the database would no longer exist if it were stored there.

[prajith]

Os Version : from 4.x   to  v5.0.0.591.

Phone : Almost all phoness (eg: Model : Tour 9630)

Question 1: Is the program reloadede to the memory after upload : ie memory initialization sone inside a static initialization of class

Question 2: How can we test this problem in simulator. Which are the condition created for the same ?  

Please replay soon ....................... It affect the existing programs in blackberry which we where done using memory.........................

[CMY]

3rd party app data does not back up on OS upgrade. There is no way to recreate this other than to just switch simulators. If you want to backup data you will have to come up with your own way to serialize the data and store it to the internal memory (which does transfer using the transfer wizard) or the SDCard.