jw-deploy/elasticsearch/modules/x-pack-watcher/plugin-security.policy

grant {
  // required to configure the custom mailcap for watcher
  permission java.lang.RuntimePermission "setFactory";

  // needed when sending emails for javax.activation
  // otherwise a classnotfound exception is thrown due to trying
  // to load the class with the application class loader
  permission java.lang.RuntimePermission "setContextClassLoader";
  permission java.lang.RuntimePermission "getClassLoader";
  // TODO: remove use of this jar as soon as possible!!!!
  permission java.lang.RuntimePermission "accessClassInPackage.com.sun.activation.registries";

  // needed for multiple server implementations used in tests
  permission java.net.SocketPermission "*", "accept,connect";
};