RFR: 8356269: Issues after JDK-8295470

[Matthias Baesken]

There are some issues with [JDK-8295470](https://bugs.openjdk.org/browse/JDK-8295470)
https://wiki.openjdk.org/display/CodeTools/jcstress seems to be dead now (also used in TestGenerator.java).
There is a typo hhttps at one place, needs to be fixed.

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Commit messages:
 - JDK-8356269

Changes: https://git.openjdk.org/jdk/pull/25068/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25068&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8356269
  Stats: 3 lines in 3 files changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/25068.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25068/head:pull/25068

PR: https://git.openjdk.org/jdk/pull/25068