8277422: tools/jar/JarEntryTime.java fails with modified time mismatch

Reviewed-by: joehw, msheppar, naoto

Author: Lance Andersen

test/jdk/tools/jar/JarEntryTime.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2021, 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
@@ -23,14 +23,15 @@
 
 /**
  * @test
- * @bug 4225317 6969651
+ * @bug 4225317 6969651 8277422
  * @modules jdk.jartool
  * @summary Check extracted files have date as per those in the .jar file
  */
 
 import java.io.File;
 import java.io.PrintWriter;
 import java.nio.file.attribute.FileTime;
+import java.time.ZoneId;
 import java.util.Date;
 import java.util.TimeZone;
 import java.util.spi.ToolProvider;
@@ -93,6 +94,14 @@ public static void realMain(String[] args) throws Throwable {
         jarFile.delete();
         testFile.delete();
 
+        var date = new Date();
+        var defZone = ZoneId.systemDefault();
+        if (defZone.getRules().getTransition(
+                date.toInstant().atZone(defZone).toLocalDateTime()) != null) {
+            System.out.println("At the offset transition.  JarEntryTime test skipped.");
+            return;
+        }
+
         /* Create a directory structure
          * outer/
          *     inner/