From f4ee92ee3774b6fa6efb4a47fb587c9053f90a33 Mon Sep 17 00:00:00 2001
From: Ivan Bereziuk <ivan.bereziuk@oracle.com>
Date: Wed, 21 Jan 2026 17:22:48 +0100
Subject: [PATCH] improve test. Assert new ISO 8601 format

---
 test/jdk/sun/tools/jcmd/TestJcmdTimestamp.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/jdk/sun/tools/jcmd/TestJcmdTimestamp.java b/test/jdk/sun/tools/jcmd/TestJcmdTimestamp.java
index d98627f44ee..79a978a6189 100644
--- a/test/jdk/sun/tools/jcmd/TestJcmdTimestamp.java
+++ b/test/jdk/sun/tools/jcmd/TestJcmdTimestamp.java
@@ -48,7 +48,8 @@ public class TestJcmdTimestamp {
 
     // timestamp should be there and it should be recent
     public static void assertTimestamp(final String line) throws java.time.format.DateTimeParseException {
-        final String timePattern = "yyyy-MM-dd HH:mm:ss";
+        // ISO 8601. Example "2026-01-21T16:58:49.518+0100"
+        final String timePattern = "yyyy-MM-dd'T'HH:mm:ss.SSSZ";
         final DateTimeFormatter formatter = DateTimeFormatter.ofPattern(timePattern);
         final LocalDateTime parsedDateTime = LocalDateTime.parse(line, formatter);