As stated in the Install Guide and in the Installation FAQ, there is JBoss-IDE release for Eclipse 2.x and a release for Eclipse 3.x
- JBoss-IDE 1.2.3 is for Eclipse 2.x
- JBoss-IDE 1.2.330 is for Eclipse 3.x
Install FAQ :
Install Guide :
In your case, you have to install the 1.2.3.
Sorry, I did not give enough attention to the install guide.
Thanks very much