Jim, > I have two machines, one is Windows XP and another one is Widows Vista. I > did the same thing on two machines. Hadoop Eclipse Plugin works fine in > Windows XP. But I got an error when I run it in Windows Vista. > > I copied hadoop-0.20.2-eclipse-plugin into Eclipse/plugins folder and > restarted Eclipse. When I tried to open "Preference" page, I got > java.lang.UnsupportedClassVersionError(Bad version number in .class file). I > confirmed Eclipse was running Java 6 because I opened a DOS prompt and run > "java -version" to display it is Java 6 (I tried Java 6 for 32 bits of > Windows and 64 bits of Windows). >
It would help to know what exact (dot/update) version of Java 6 you are using. I ran into a problem recently where I was using one of the earliest versions of Java 6, where the class file format defaulted to Java1.5 for stability reasons.
