This finding is highlighted by a static analysis tool.
in class: open/src/jdk.jpackage/share/classes/jdk/jpackage/internal/LauncherFromOptions.java
  try {
                faGroup = faGroupBuilder.create();
            } catch (FileAssociationNoMimesException ex) {
                throw I18N.buildConfigException()
                        .message("error.no-content-types-for-file-association", faID)
                        .advice("error.no-content-types-for-file-association.advice", faID)
                        .create();
            } catch (FileAssociationNoExtensionsException ex) {
                // TODO: Must do something about this condition!
 -- throw new AssertionError();
            }

As noted in the TODO comment, FileAssociationNoExtensionsException should be handled differently, rethrow or throw a custom Exception