With the exception of a few corner-cases, Java 6 source code is also Java 8 compliant; so the GWT Compiler should be able to process it even though it assumes Java 8 source code.
-- But the question was about JVM requirements: gwt-servlet.jar is compiled as Java 7 bytecode in 2.8, so it requires a Java 7 JVM on your server; and similarly gwt-dev and gwt-user require a Java 7 JVM on your developers' and CI machines (and if you use GIN, because GWT will "internally" compile your sources to Java 8 bytecode and GIN will try to actually run that code, you'll need a Java 8 JVM)
Retrolambda could possibly solve the issue of gwt-servlet at least, possibly also gwt-dev/gwt-user at compile-time.
On Friday, November 4, 2016 at 11:25:46 AM UTC+1, Marko wrote:
On Friday, November 4, 2016 at 11:25:46 AM UTC+1, Marko wrote:
How can you use retrolambda for that? Isn't retrolambda transforming the compiled >>bytecode<<? But GWT transpiled java >>source code<< and not bytecode...Marko
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