The latest version of Jigsaw available from http://jdk.java.net/jigsaw/ (jdk-9+172 on 06-02-2017 (#6472)) has
--illegal-access=<value> permit or deny access to members of types in named modules by code in unnamed modules. <value> is one of "deny", "permit", "warn", or "debug" This option will be removed in a future release. Note that --permit-illegal-access is removed. This is what the output looks like. Ironically, this code in the standalone bind implementation jar has fall-back code for running correctly on JDK9. WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector (file:/mydirectory/modules/com.sun.xml.bind.jaxb-impl.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Running with java --illegal-access=warn produces the following output. WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector (file:/mydirectory/modules/com.sun.xml.bind.jaxb-impl.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector (file:/mydirectory/modules/com.sun.xml.bind.jaxb-impl.jar) to method java.lang.ClassLoader.resolveClass(java.lang.Class) WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector (file:/mydirectory/modules/com.sun.xml.bind.jaxb-impl.jar) to method java.lang.ClassLoader.findLoadedClass(java.lang.String) There is no quiet option. To get rid of these warnings, you need to explicitly run with java --illegal-access=deny (assuming there are no other illegal access problems). I would like to see a mechanism that allows the developer to work around the warning. Either disable the warning for trySetAccessible() or add a new API if(method.willSetAccessibleWork()) method.setAccessible(true); -----Original Message----- From: jigsaw-dev [mailto:jigsaw-dev-boun...@openjdk.java.net] On Behalf Of alan.bate...@oracle.com Sent: Friday, June 2, 2017 12:36 PM To: jigsaw-dev@openjdk.java.net Subject: hg: jigsaw/jake/jdk: Allow illegal access by default Changeset: 1499c22dfc8b Author: alanb Date: 2017-06-02 17:32 +0100 URL: http://hg.openjdk.java.net/jigsaw/jake/jdk/rev/1499c22dfc8b Allow illegal access by default ! src/java.base/share/classes/java/lang/Module.java ! src/java.base/share/classes/java/lang/System.java ! src/java.base/share/classes/java/lang/invoke/MethodHandles.java ! src/java.base/share/classes/java/lang/reflect/AccessibleObject.java ! src/java.base/share/classes/jdk/internal/misc/JavaLangAccess.java ! src/java.base/share/classes/jdk/internal/module/IllegalAccessLogger.java + src/java.base/share/classes/jdk/internal/module/IllegalAccessMaps.java ! src/java.base/share/classes/jdk/internal/module/ModuleBootstrap.java ! src/java.base/share/classes/jdk/internal/module/SystemModules.java + src/java.base/share/classes/jdk/internal/module/jdk8_packages.dat ! src/java.base/share/classes/sun/launcher/LauncherHelper.java ! src/java.base/share/classes/sun/launcher/resources/launcher.properties ! src/jdk.jlink/share/classes/jdk/tools/jlink/internal/plugins/SystemModulesPlugin.java ! test/java/lang/ModuleTests/BasicModuleTest.java ! test/java/lang/instrument/RedefineModuleTest.java ! test/java/lang/reflect/AccessibleObject/CanAccessTest.java ! test/java/lang/reflect/AccessibleObject/ModuleSetAccessibleTest.java ! test/java/lang/reflect/AccessibleObject/TrySetAccessibleTest.java ! test/java/util/ResourceBundle/modules/cache/CacheTest.java ! test/jdk/modules/open/Basic.java ! test/tools/launcher/modules/addexports/manifest/AddExportsAndOpensInManifest.java + test/tools/launcher/modules/illegalaccess/IllegalAccessTest.java + test/tools/launcher/modules/illegalaccess/TryAccess.java + test/tools/launcher/modules/illegalaccess/src/m/module-info.java + test/tools/launcher/modules/illegalaccess/src/m/p/Type.java + test/tools/launcher/modules/illegalaccess/upgradesrc/java.activation/javax/activation/MimeTypeParameterList.java + test/tools/launcher/modules/illegalaccess/upgradesrc/java.activation/module-info.java ! test/tools/launcher/modules/patch/systemmodules/src1/java.base/jdk/internal/modules/SystemModules.java - test/tools/launcher/modules/permit/AttemptAccess.java - test/tools/launcher/modules/permit/PermitIllegalAccess.java