src/java.base/share/classes/sun/net/www/protocol/jrt/JavaRuntimeURLConnection.java

*** 30,40 ****
--- 30,42 ----
  import java.io.FilePermission;
  import java.io.IOException;
  import java.io.InputStream;
  import java.net.MalformedURLException;
  import java.net.URL;
+ import java.security.AccessController;
  import java.security.Permission;
+ import java.security.PrivilegedAction;
  
  import jdk.internal.jimage.ImageLocation;
  import jdk.internal.jimage.ImageReader;
  import jdk.internal.jimage.ImageReaderFactory;
  
*** 49,59 ****
   * contained in the runtime image.
   */
  public class JavaRuntimeURLConnection extends URLConnection {
  
      // ImageReader to access resources in jimage
!     private static final ImageReader reader = ImageReaderFactory.getImageReader();
  
      // the module and resource name in the URL
      private final String module;
      private final String name;
  
--- 51,65 ----
   * contained in the runtime image.
   */
  public class JavaRuntimeURLConnection extends URLConnection {
  
      // ImageReader to access resources in jimage
!     private static final ImageReader reader;
!     static {
!         PrivilegedAction<ImageReader> pa = ImageReaderFactory::getImageReader;
!         reader = AccessController.doPrivileged(pa);
!     }
  
      // the module and resource name in the URL
      private final String module;
      private final String name;