[jdk8u-dev] RFR: 8066708: JMXStartStopTest fails to connect to port 38112

[ktakakuri]

Hi all,

This is a backport of JDK-8066708: JMXStartStopTest fails to connect to port 38112.
I worked for backporting JDK-8035395 to jdk8u #429, and found that this fix makes this test more stable.

The risk is low as this fix only affects testing.
Testing: jdk/test/sun/management/jmxremote/startstop/JMXStartStopTest.java

Thank you.

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Depends on: https://git.openjdk.org/jdk8u-dev/pull/429

Commit messages:
 - Backport d9fe0af0483e5954ba1d68107fb448669724a464

Changes: https://git.openjdk.org/jdk8u-dev/pull/430/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=430&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8066708
  Stats: 363 lines in 1 file changed: 152 ins; 40 del; 171 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/430.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev.git pull/430/head:pull/430

PR: https://git.openjdk.org/jdk8u-dev/pull/430