Eclipse crashes updating maven indexes
But it runs a Java program only once after which it just hangs during subsequent attempts before I remove and reinstall it.
I have tried many things, since in the beginning I needed CDT as well.
I did a clean install of 16.04 and installed Eclipse.I had something the same with 16.04 and Eclipse Mars.I thought it had frozen but in fact it was running very, very slowly.If you have multiple subscriptions, click Subscriptions and select the default directory for the subscription you want to use for this project.Then click Apply to switch to that subscription view.
But only providing a handler is not enough, you should also connect to the broker and subscribe to some topics.