Ratpack Guice error in 1.6.0-rc-1

[jdbevan]

I have a test that contains code like:

        ExecHarness.runSingle({ it.add(ServerConfig.embedded().build()) }) { Execution exec ->
            def iface = (Guice.registry {
                it.binder { b ->
                    b.bindInterceptor(Matchers.any(), Matchers.any(), new ExecutionCachingInterceptor())
                    b.bind(TestInterface).to(CountingTestInterface).asEagerSingleton()
                }
            }).apply(exec).get(TestInterface)

            def emit1 = iface.emit()
            def emit2 = iface.emit()

            assert emit1 == "1"
            assert emit2 == "1"
            assert emit1.is(emit2) // is ensures that they are the same instance
        }

and when it runs using Java 9 I get the following stacktrace:

BUG! UNCAUGHT EXCEPTION: access to public member failed: ratpack.func.Action.toConsumer()Consumer/invokeSpecial, from ratpack.func.Action/2 (unnamed module @63753b6d)
        at org.codehaus.groovy.vmplugin.v7.Java7.getInvokeSpecialHandle(Java7.java:99)
        at ratpack.guice.Guice$AdHocModule.configure(Guice.java:264)
        at com.google.inject.spi.Elements$RecordingBinder.install(Elements.java:340)
        at com.google.inject.spi.Elements.getElements(Elements.java:110)
        at com.google.inject.util.Modules$OverrideModule.configure(Modules.java:198)
        at com.google.inject.AbstractModule.configure(AbstractModule.java:62)
        at com.google.inject.spi.Elements$RecordingBinder.install(Elements.java:340)
        at com.google.inject.spi.Elements.getElements(Elements.java:110)
        at com.google.inject.internal.InjectorShell$Builder.build(InjectorShell.java:138)
        at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:104)
        at com.google.inject.Guice.createInjector(Guice.java:99)
        at com.google.inject.Guice.createInjector(Guice.java:84)
        at ratpack.guice.Guice.lambda$newInjectorFactory$2(Guice.java:209)
        at ratpack.guice.Guice.buildInjector(Guice.java:250)
        at ratpack.guice.Guice.registry(Guice.java:203)
        at ratpack.guice.Guice.lambda$registry$0(Guice.java:195)
        at com.example.package.ratpack.cache.ExecutionCachingInterceptorSpec.Result with a simple result is cached_closure2(ExecutionCachingInterceptorSpec.groovy:21)

but its a bit beyond me to debug...

[michaelschlies]

Can you tell what version of Groovy is being resolved on your classpath here?

[jdbevan]

I think 2.4.15... this is output from ./gradlew project:dependencies under testRuntimeClasspath:

+--- org.spockframework:spock-core:1.1-groovy-2.4
|    +--- org.codehaus.groovy:groovy-all:2.4.9 -> 2.4.15
|    \--- junit:junit:4.12
|         \--- org.hamcrest:hamcrest-core:1.3
+--- io.ratpack:ratpack-groovy-test:1.6.0-rc-1
|    +--- org.codehaus.groovy:groovy-all:2.4.15
|    +--- io.ratpack:ratpack-groovy:1.6.0-rc-1
|    |    +--- org.codehaus.groovy:groovy-all:2.4.15
|    |    +--- io.ratpack:ratpack-core:1.6.0-rc-1 (*)
|    |    \--- io.ratpack:ratpack-guice:1.6.0-rc-1 (*)

[jdbevan]

Adding an explicit testCompile for org.codehaus.groovy:groovy-all:2.5.4 in my gradle config worked around this problem

[johnrengelman]

This will be address in 1.7 once Gradle 5 is available which we need (because of ratpack-gradle) to move to Groovy 2.5.x

#1412

[jdbevan]

FYI the test above works with Java 8 without bumping the groovy-all dependency