[INFO] Caused by: java.lang.NoClassDefFoundError: com/google/gwt/dev/util/Preconditions
[INFO] at com.google.web.bindery.event.gwt.rebind.binder.EventBinderGenerator.getTargetType(EventBinderGenerator.java:73)
[INFO] at com.google.web.bindery.event.gwt.rebind.binder.EventBinderGenerator.generate(EventBinderGenerator.java:55)
[INFO] at com.google.gwt.core.ext.IncrementalGenerator.generateNonIncrementally(IncrementalGenerator.java:40)
[INFO] at com.google.gwt.dev.javac.StandardGeneratorContext.runGeneratorIncrementally(StandardGeneratorContext.java:676)
[INFO] at com.google.gwt.dev.cfg.RuleGenerateWith.realize(RuleGenerateWith.java:41)
[INFO] at com.google.gwt.dev.shell.StandardRebindOracle$Rebinder.rebind(StandardRebindOracle.java:79)
[INFO] at com.google.gwt.dev.shell.StandardRebindOracle.rebind(StandardRebindOracle.java:276)
[INFO] at com.google.gwt.dev.shell.StandardRebindOracle.rebind(StandardRebindOracle.java:265)
[INFO] at com.google.gwt.dev.DistillerRebindPermutationOracle.getAllPossibleRebindAnswers(DistillerRebindPermutationOracle.java:91)
[INFO] at com.google.gwt.dev.jjs.impl.UnifyAst$UnifyVisitor.handleGwtCreate(UnifyAst.java:387)
[INFO] at com.google.gwt.dev.jjs.impl.UnifyAst$UnifyVisitor.handleMagicMethodCall(UnifyAst.java:465)
[INFO] at com.google.gwt.dev.jjs.impl.UnifyAst$UnifyVisitor.endVisit(UnifyAst.java:255)
[INFO] at com.google.gwt.dev.jjs.ast.JMethodCall.traverse(JMethodCall.java:244)
[INFO] at com.google.gwt.dev.jjs.ast.JModVisitor.traverse(JModVisitor.java:361)
[INFO] at com.google.gwt.dev.jjs.ast.JModVisitor.accept(JModVisitor.java:273)
[INFO] ... 48 more
[INFO] Caused by: java.lang.ClassNotFoundException: com.google.gwt.dev.util.Preconditions
[INFO] at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
[INFO] at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
[INFO] at java.security.AccessController.doPrivileged(Native Method)
[INFO] at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
[INFO] at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
[INFO] at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
[INFO] at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
Because Preconditions class is removed in GWT 2.6
GIN already has fix for this in trunk.
I pushed a v1.0.1 of EventBinder yesterday evening that should have removed this dependency Can you check if that solves the issue for you? I still need to update the documentation.
Because Preconditions class is removed in GWT 2.6 GIN already has fix for this in trunk.