src/jdk.incubator.jpackage/macosx/classes/jdk/incubator/jpackage/internal/MacDmgBundler.java

*** 444,453 ****
--- 444,460 ----
                      hdiUtilVerbosityFlag,
                      mountedRoot.toAbsolutePath().toString());
              // "hdiutil detach" might not work right away due to resource busy error, so
              // repeat detach several times.
              RetryExecutor retryExecutor = new RetryExecutor();
+             // Image can get detach even if we got resource busy error, so stop
+             // trying to detach it if it is no longer attached.
+             retryExecutor.setExecutorInitializer(exec -> {
+                 if (!Files.exists(mountedRoot)) {
+                     retryExecutor.stop();
+                 }
+             });
              // 10 times with 3 second delays.
              retryExecutor.setMaxAttemptsCount(10).setAttemptTimeoutMillis(3000)
                      .execute(pb);
          }