-I can not find findbugs in availiable plugins to install
if i try source-->inspect and choose to install findbugs from there netbeans says that findbugs can not be downloaded
is there a way to activate it?
A few basic points first:
Having said that, as far as I know there is no NetBeans plugin for SpotBugs either, although one brave developer documented how to do it yourself if you feel so inclined.
However, you can use SpotBugs if you have a Maven or Gradle project: