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javagwtgwt-rpc

JDK and JRE minimal versions required for GWT (compiling and running)

What is JDK minimal version is required for compiling GWT client code (I think JDK 1.7 for GWT 2.7) ?

What is JRE minimal version is required for running GWT RPC on servlet container (I think JRE 1.5 for GWT 2.7) ?

The only answer I found is GWT FAQ is JRE 1.5 but for compiling or running ? It is not clear for me.

In fact, I want to know what the JDK required for a developer computer and what the JRE required for a production server.

Solution

  • According to the build files, GWT 2.7 (and actually since 2.5.0) required Java 6: GWT is compiled with Java 6, producing Java 6-compatible classes, and runs its own tests with Java 6.

    Note that GWT 2.8.0, to be released later this spring, will require Java 7.