step:
1.create gradle workspace and init bundle to start
2.create war project in gradle workspace
3.watch war project after server started
4.stop watching
5.watch war project again
watch failed
console:
Failed to update bundle: D:\ce360360\liferay-developer-studio\eclipse-workspace\gw72\bundles\osgi\war\gwm.war with ID 2143. The bundle has been uninstalled