java - Eclipse freezes when creating a new project or a new class -


i installed eclipse in ubuntu. when create new project or create new class, eclipse freezes.

the confusing thing when check workspace, find project or class create means can create projects , classes why freeze and, in case, should kill eclipse , restart again?

also, when write code in class , run it, freezes.

the problem version of gtk+3. did in eclipse.ini included following 2 lines:

--launcher.gtk_version 2

before line --launcher.appendvmargs


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