FW: 8251031: Some vmTestbase/nsk/monitoring/RuntimeMXBean tests fail with hostnames starting from digits

[jiefu(傅杰)]

Forward it to serviceability-dev since this issue in the JBS has been moved  from hotspot/runtime to core-svc/java.lang.management.

Please review it.

Thanks.
Best regards,
Jie

From: "jiefu(傅杰)" <jiefu at tencent.com>
Date: Tuesday, August 4, 2020 at 5:10 PM
To: "hotspot-runtime-dev at openjdk.java.net" <hotspot-runtime-dev at openjdk.java.net>
Subject: RFR: 8251031: Some vmTestbase/nsk/monitoring/RuntimeMXBean tests fail with hostnames starting from digits

Hi all,

JBS:    https://bugs.openjdk.java.net/browse/JDK-8251031
Webrev: http://cr.openjdk.java.net/~jiefu/8251031/webrev.00/

Some vmTestbase/nsk/monitoring/RuntimeMXBean tests failed in our test infrastructure.
The reason is that these tests reject hostnames starting with digits.

However, hostnames starting from digits are actually valid according to RFC1123 [1][2].
It would be better to fix it.

Thanks a lot.
Best regards,
Jie

[1] https://tools.ietf.org/html/rfc1123#page-13
[2] https://en.wikipedia.org/wiki/Hostname
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