JUnit works. There are no limitations that restrict it to being unit tests only. We use JUnit, Maven and CruiseControl to do CI.
There may be tools that are specific for integration testing, but I would think their usefulness is dependent on what type of system components you are integrating. JUnit will work fine for non UI type testing.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…