Friday, September 29, 2017

Re: GWT 2.8.1 NoClassDefFoundError OptionJsInteropMode

More precisely, you probably have a gwt-codeserver.jar from 2.7 (or a backwards compatible equivalent) and a gwt-dev.jar from 2.8.
Actually, gwt-codeserver is useless starting with GWT 2.7, as it's merged into gwt-dev at build time.

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