I installed Netbeans 7.0.1 on Ubuntu 12.04,after choosing design tab to use gui builder the designed gui freezes at Loading... and gives me this error java.lang.ClassNotFoundException: org.w3c.dom.ElementTraversal then the designed gui does not appear It's like the gui builder can not reload the gui beacuse of xml problem I tried Netbeans 7.1 but it does not have Java desktop application and i can not use it with my projects which i created on Netbeans 6.9 any suggestions please?
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2 Answers
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According to this bug tracker your are not the first person to stumble on that error, although the OS is not Ubuntu. It might also be the case that you are missing some Java libraries which the Netbeans installation might assume that you might have.
Fresh installations of Ubuntu (amongst others) come packed with the OpenJDK. The full Java SDK needs to be installed separately.