Re: Java 7

How well does this play together with AppEngine 1.7.7? From their release notes: "The Java runtime now defaults to Java7. If you still need to use the Java6

  runtime, please use the --use_java6 flag when deploying your app. We encourage

  you to move to Java7 as soon as possible."

It sounds I should compile for a 1.7 target. So I should *not* set maven.compiler.source to 1.6, right?

I hope AppEngine and GWT remain compatible. Do you know more on this?

On Thursday, February 21, 2013 2:55:24 PM UTC+1, Thomas Broyer wrote:

On Thursday, February 21, 2013 1:32:44 PM UTC+1, Seamus McMorrow wrote:

Hi, 

Sorry for resurrecting a slightly old thread. 

JDK 1.6 is EOL end of this month, so I am thinking of migrating my GWT project to JDK7

I am using GWT 2.5, and wondering if many people are using JDK7 in their GWT projects. Is it okay to do so and if so, what are the gotchas?

GWT 2.5 is fully compatible with JDK 7 (see https://developers.google.com/web-toolkit/release-notes#Release_Notes_2_5_0_RC2).

Just make sure you only use Java 6 constructs in your client code (in Eclipse, Project properties → Java Compiler, set "JDK Compliance" to 1.6; in Maven, set "maven.compiler.source" and "maven.compiler.target" to 1.6 or 6).

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