title: java.lang.ExceptionInInitializerError with gradle
body: <p>I've updated java from 8 to 9-ea and gradle from 2.13 to 3.4.1. Below is the <code>gradle --version</code> output.</p>
  <pre><code>------------------------------------------------------------
  Gradle 3.4.1
  ------------------------------------------------------------
  
  Build time:   2017-03-03 19:45:41 UTC
  Revision:     9eb76efdd3d034dc506c719dac2955efb5ff9a93
  
  Groovy:       2.4.7
  Ant:          Apache Ant(TM) version 1.9.6 compiled on June 29 2015
  JVM:          9-ea (Oracle Corporation 9-ea+158)
  OS:           Linux 4.8.0-36-generic amd64
  </code></pre>
  <p>while compiling below error is encountered:</p>
  <pre><code>FAILURE: Build failed with an exception.
  
  * What went wrong:
  java.lang.ExceptionInInitializerError (no error message)
  
  * Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
  </code></pre>
  <p>and the output of <code>gradle --stacktrace</code> is below:</p>
  <pre><code>java.lang.ExceptionInInitializerError
          at org.gradle.initialization.DefaultClassLoaderRegistry.restrictTo(DefaultClassLoaderRegistry.java:40)
          at org.gradle.initialization.DefaultClassLoaderRegistry.restrictToGradleApi(DefaultClassLoaderRegistry.java:36)
          at org.gradle.initialization.DefaultClassLoaderRegistry.&lt;init&gt;(DefaultClassLoaderRegistry.java:30)
          at org.gradle.internal.service.scopes.GlobalScopeServices.createClassLoaderRegistry(GlobalScopeServices.java:213)
          at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
          at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
          at java.base/java.lang.reflect.Method.invoke(Method.java:547)
          at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:73)
          at org.gradle.internal.service.DefaultServiceRegistry.invoke(DefaultServiceRegistry.java:462)
          at org.gradle.internal.service.DefaultServiceRegistry.access$1200(DefaultServiceRegistry.java:84)
          at org.gradle.internal.service.DefaultServiceRegistry$FactoryMethodService.invokeMethod(DefaultServiceRegistry.java:805)
          at org.gradle.internal.service.DefaultServiceRegistry$FactoryService.create(DefaultServiceRegistry.java:761)
          at org.gradle.internal.service.DefaultServiceRegistry$ManagedObjectProvider.getInstance(DefaultServiceRegistry.java:598)
          at org.gradle.internal.service.DefaultServiceRegistry$SingletonService.get(DefaultServiceRegistry.java:643)
          at org.gradle.internal.service.DefaultServiceRegistry.applyConfigureMethod(DefaultServiceRegistry.java:253)
          at org.gradle.internal.service.DefaultServiceRegistry.findProviderMethods(DefaultServiceRegistry.java:214)
          at org.gradle.internal.service.DefaultServiceRegistry.addProvider(DefaultServiceRegistry.java:352)
          at org.gradle.internal.service.ServiceRegistryBuilder.build(ServiceRegistryBuilder.java:52)
          at org.gradle.launcher.cli.BuildActionsFactory.createGlobalClientServices(BuildActionsFactory.java:148)
          at org.gradle.launcher.cli.BuildActionsFactory.runBuildWithDaemon(BuildActionsFactory.java:108)
          at org.gradle.launcher.cli.BuildActionsFactory.createAction(BuildActionsFactory.java:83)
          at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.createAction(CommandLineActionFactory.java:249)
          at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:239)
          at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:217)
          at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:33)
          at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:24)
          at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:33)
          at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:22)
          at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:210)
          at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:174)
          at org.gradle.launcher.Main.doAction(Main.java:33)
          at org.gradle.launcher.bootstrap.EntryPoint.run(EntryPoint.java:45)
          at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
          at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
          at java.base/java.lang.reflect.Method.invoke(Method.java:547)
          at org.gradle.launcher.bootstrap.ProcessBootstrap.runNoExit(ProcessBootstrap.java:60)
          at org.gradle.launcher.bootstrap.ProcessBootstrap.run(ProcessBootstrap.java:37)
          at org.gradle.launcher.GradleMain.main(GradleMain.java:23)
  Caused by: java.lang.reflect.InaccessibleObjectException: Unable to make protected java.lang.Package[] java.lang.ClassLoader.getPackages() accessible: module java.base does not &quot;opens java.lang&quot; to unnamed module @6c7a164b
          at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:335)
          at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:278)
          at java.base/java.lang.reflect.Method.checkCanSetAccessible(Method.java:196)
          at java.base/java.lang.reflect.Method.setAccessible(Method.java:190)
          at org.gradle.internal.reflect.JavaMethod.&lt;init&gt;(JavaMethod.java:42)
          at org.gradle.internal.reflect.JavaMethod.&lt;init&gt;(JavaMethod.java:32)
          at org.gradle.internal.reflect.JavaMethod.&lt;init&gt;(JavaMethod.java:36)
          at org.gradle.internal.reflect.JavaReflectionUtil.method(JavaReflectionUtil.java:223)
          at org.gradle.internal.classloader.FilteringClassLoader.&lt;clinit&gt;(FilteringClassLoader.java:49)
          ... 40 more
  </code></pre>
  <p>when I set</p>
  <pre><code>export GRADLE_OPTS=&quot;-Dorg.gradle.jvmargs=--add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED&quot;
  </code></pre>
  <p>as suggested at different places, issue remains the same.</p>
  <p>Kindly help me out in resolving the issue.</p>
  <p><strong>UPDATE:</strong>
  Changed <code>GRADLE_OPTS</code> to (wrapped)</p>
  <pre><code>export GRADLE_OPTS=&quot;-Dorg.gradle.jvmargs=
    --add-opens java.lang=ALL-UNNAMED
    --add-opens java.util=ALL-UNNAMED
    --add-opens java.io=ALL-UNNAMED&quot;
  </code></pre>
  <p>Got the following error:</p>
  <pre><code>Error: Could not find or load main class java.lang=ALL-UNNAMED
  Caused by: java.lang.ClassNotFoundException: java.lang=ALL-UNNAMED
  </code></pre>