src/java.desktop/unix/classes/sun/awt/X11/XToolkit.java

*** 1,7 ****
  /*
!  * Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 421,431 ****
              StackTraceElement[] trace = (new Throwable()).getStackTrace();
              int bottom = trace.length - 1;
              if (bottom >= 0) {
                  mainClassName = trace[bottom].getClassName();
              }
!             if (mainClassName == null || mainClassName.equals("")) {
                  mainClassName = "AWT";
              }
              awtAppClassName = getCorrectXIDString(mainClassName);
  
              init();
--- 421,431 ----
              StackTraceElement[] trace = (new Throwable()).getStackTrace();
              int bottom = trace.length - 1;
              if (bottom >= 0) {
                  mainClassName = trace[bottom].getClassName();
              }
!             if (mainClassName == null || mainClassName.isEmpty()) {
                  mainClassName = "AWT";
              }
              awtAppClassName = getCorrectXIDString(mainClassName);
  
              init();