My Oracle Support Banner

Syncagent 11.3 Locks SQLITE Database In A Windows Mobile 6.5 Application (Doc ID 1677555.1)

Last updated on MAY 15, 2018

Applies to:

Oracle Database Mobile Server - Version 11.3.0.0.0 and later
Information in this document applies to any platform.

Symptoms

On : 11.3.0.0.0 version, Issues affecting all clients

When attempting to use the Syncagent and the application at the same time
the following error occurs.

ERROR
-----------------------
EXCEPTION: System.Data.SQLite.SQLiteException: database is locked
database is locked
  at System.Data.SQLite.SQLite3.Step(SQLiteStatement stmt)
  at System.Data.SQLite.SQLiteDataReader.NextResult()
  at System.Data.SQLite.SQLiteDataReader..ctor(SQLiteCommand cmd, CommandBehavior behave)
  at System.Data.SQLite.SQLiteCommand.ExecuteReader(CommandBehavior behavior)
  at System.Data.SQLite.SQLiteCommand.ExecuteDbDataReader(CommandBehavior behavior)
  at System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader()


STEPS
-----------------------
The issue can be reproduced at will with the following steps:
1.- The application without data starts succesfully, the user synchronizes inside the application with the manual sync API for C# succesfully.

2. Inmediately, the sync agent process is started with the API for C#.

3. The user works with the app and the data is sent to the server when gprs is available.

4. The user do a battery swap, so the handheld resets.

5.- Entering the application again, the application opens the database and start the sync agent process.

6.- In the first attempt to do an operation on the database, the application crashes because the "database is locked"

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.