When I use SQL Developer, there re several times when a screen just disappear without any pop-up error and I dont know why.
SQL Developer do not output any debug information by default. You have to follow the below steps to enable debug for SQL Developer 1.5.
Please note that there is difference between different version for setting up debug mode for SQL Developer. The debug mode for version 1.5 is much easier to setup.
Steps to for debug mode setup
Close SQL Developer, then go to directory
There re several configuration files for setting up different option for SQL Developer. and the core configuration file is
To enable debug information for SQL Developer. Find the following line in sqldeveloper.conf file
change the line to
The next time you open SQL Developer, a small window will show up on the bottom of the screen.
Where debug information will show up when we do something in SQL Developer .