Description of problem:

There are broken indexes in EAP ER6 Maven repository. This causes Arquillian to fail with given error:

sun.misc.InvalidJarIndexException: Invalid index
at sun.misc.URLClassPath$JarLoader.getResource(URLClassPath.java:858)
at sun.misc.URLClassPath$JarLoader.getResource(URLClassPath.java:765)
at sun.misc.URLClassPath$JarLoader.findResource(URLClassPath.java:735)
at sun.misc.URLClassPath$1.next(URLClassPath.java:196)
at sun.misc.URLClassPath$1.hasMoreElements(URLClassPath.java:206)
at java.net.URLClassLoader$3$1.run(URLClassLoader.java:416)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader$3.next(URLClassLoader.java:413)
at java.net.URLClassLoader$3.hasMoreElements(URLClassLoader.java:438)
at sun.misc.CompoundEnumeration.next(CompoundEnumeration.java:27)
at sun.misc.CompoundEnumeration.hasMoreElements(CompoundEnumeration.java:36)
at java.util.Collections.list(Collections.java:3411)
at org.jboss.shrinkwrap.impl.base.URLPackageScanner.loadResources(URLPackageScanner.java:182)
at org.jboss.shrinkwrap.impl.base.URLPackageScanner.scanPackage(URLPackageScanner.java:116)
at org.jboss.shrinkwrap.impl.base.container.ContainerBase.addPackage(ContainerBase.java:1405)
at org.jboss.shrinkwrap.impl.base.container.ContainerBase.addPackages(ContainerBase.java:1370)
at org.jboss.shrinkwrap.impl.base.container.ContainerBase.addPackages(ContainerBase.java:1349)
at org.jboss.arquillian.junit.container.JUnitDeploymentAppender.buildArchive(JUnitDeploymentAppender.java:39)
at org.jboss.arquillian.container.test.spi.client.deployment.CachedAuxilliaryArchiveAppender.createAuxiliaryArchive(CachedAuxilliaryArchiveAppender.java:43)
at org.jboss.arquillian.container.test.impl.client.deployment.DeploymentGenerator.loadAuxiliaryArchives(DeploymentGenerator.java:210)
at org.jboss.arquillian.container.test.impl.client.deployment.DeploymentGenerator.buildTestableDeployments(DeploymentGenerator.java:161)
at org.jboss.arquillian.container.test.impl.client.deployment.DeploymentGenerator.createTestableDeployments(DeploymentGenerator.java:148)
at org.jboss.arquillian.container.test.impl.client.deployment.DeploymentGenerator.generateDeployment(DeploymentGenerator.java:85)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:90)
at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99)
at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81)
at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:135)
at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:115)
at org.jboss.arquillian.core.impl.EventImpl.fire(EventImpl.java:67)
at org.jboss.arquillian.container.test.impl.client.ContainerEventController.execute(ContainerEventController.java:100)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:90)
at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99)
at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81)
at org.jboss.arquillian.test.impl.TestContextHandler.createClassContext(TestContextHandler.java:75)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:90)
at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)
at org.jboss.arquillian.test.impl.TestContextHandler.createSuiteContext(TestContextHandler.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:90)
at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)
at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:135)
at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:115)
at org.jboss.arquillian.test.impl.EventTestRunnerAdaptor.beforeClass(EventTestRunnerAdaptor.java:80)
at org.jboss.arquillian.junit.Arquillian$2.evaluate(Arquillian.java:182)
at org.jboss.arquillian.junit.Arquillian.multiExecute(Arquillian.java:314)
at org.jboss.arquillian.junit.Arquillian.access$100(Arquillian.java:46)
at org.jboss.arquillian.junit.Arquillian$3.evaluate(Arquillian.java:199)
at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
at org.jboss.arquillian.junit.Arquillian.run(Arquillian.java:147)
at org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:35)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:115)
at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:97)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.maven.surefire.booter.ProviderFactory$ClassLoaderProxy.invoke(ProviderFactory.java:103)
at $Proxy0.invoke(Unknown Source)
at org.apache.maven.surefire.booter.SurefireStarter.invokeProvider(SurefireStarter.java:150)
at org.apache.maven.surefire.booter.SurefireStarter.runSuitesInProcess(SurefireStarter.java:91)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:69)


This issue actually affects Surefire as well, so 

Marked as medium as we have a workaround.

Note: This is already fixed in EAP ER7 and upcoming releases.