Try setting <sourceLevel> explicitly in the gwt-maven-plugin configuration. By default, the gwt-maven-plugin will use the current JVM's source level (i.e. "1.8" for jdk8), and GWT only supports 1.6 and 1.7.
On Sunday, December 1, 2013 2:51:10 PM UTC+1, [email protected] wrote: > > I create a trivial maven based gwt-project on gwt 2.6.0-rc1. The project > compilation work fine on jdk7. But it interrupts with an exception > jdk8-b117: > > [INFO] --- gwt-maven-plugin:2.6.0-rc1:compile (default) @ >> control-center-server --- >> [INFO] Compiling module net.kst_d.rbas.cc.ui.ControlCenter >> [INFO] [ERROR] Unexpected internal compiler error >> [INFO] java.lang.NullPointerException >> [INFO] at >> com.google.gwt.dev.javac.JdtCompiler.getCompilerOptions(JdtCompiler.java:534) >> [INFO] at >> com.google.gwt.dev.javac.JdtCompiler.doCompile(JdtCompiler.java:878) >> [INFO] at >> com.google.gwt.dev.javac.CompilationStateBuilder$CompileMoreLater.compile(CompilationStateBuilder.java:284) >> [INFO] at >> com.google.gwt.dev.javac.CompilationStateBuilder.doBuildFrom(CompilationStateBuilder.java:511) >> [INFO] at >> com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:434) >> [INFO] at >> com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:420) >> [INFO] at >> com.google.gwt.dev.cfg.ModuleDef.getCompilationState(ModuleDef.java:485) >> [INFO] at >> com.google.gwt.dev.Precompile.precompile(Precompile.java:241) >> [INFO] at >> com.google.gwt.dev.Precompile.precompile(Precompile.java:223) >> [INFO] at >> com.google.gwt.dev.Precompile.precompile(Precompile.java:139) >> [INFO] at com.google.gwt.dev.Compiler.run(Compiler.java:165) >> [INFO] at com.google.gwt.dev.Compiler.run(Compiler.java:130) >> [INFO] at com.google.gwt.dev.Compiler$1.run(Compiler.java:97) >> [INFO] at >> com.google.gwt.dev.CompileTaskRunner.doRun(CompileTaskRunner.java:55) >> [INFO] at >> com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(CompileTaskRunner.java:50) >> [INFO] at com.google.gwt.dev.Compiler.main(Compiler.java:104) >> >> > The project a really trivial. It doesn't consists any widget or some thing > else. Only module.gwt.xml аnd empty EntryPoint. > -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/google-web-toolkit. For more options, visit https://groups.google.com/groups/opt_out.
