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I’m using Eclipse 3.6.2 on Win7 (64). Today I updated my Java 6 (JRE and JDK, both 64 bit) from 29 to 31. Now my project does not build anymore: Eclipse can not find Enum anymore. I’m aware of this question, but I’m stuck.
These are the project settings for the libs:
And here are the system settings for the jre:
How to fix this?
You are (at minimum) missing the
rt.jarlibrary in that list, which contains the most important classes from Java. I would advise to remove this JRE definition and have Eclipse redetect it.FYI: The Java 6 Update 30 JRE in my Eclipse lists 10 jars in its configuration; I would expect Java 6 Update 31 to have at least the same number of jars.