Status of jtreg build

[Carsten Varming]

Dear jtreg devs,

I wanted to download jtreg to run JDK9 hotspot regression tests, but I have
been unsuccessful so far. Perhaps you know what I need to do to get going.

The hotspot regression tests need at least jtreg 4.2 b01. When I downloaded
the latest build published at
https://adopt-openjdk.ci.cloudbees.com/job/jtreg/ (4.2.0-tip, from build
496) and tried the hotspot regression tests I got:

Error: Unexpected exception occurred! java.lang.NumberFormatException: For
input string: "ip"
java.lang.NumberFormatException: For input string: "ip"
        at
java.lang.NumberFormatException.forInputString(java.base at 9-internal
/NumberFormatException.java:65)
        at java.lang.Integer.parseInt(java.base at 9-internal/Integer.java:695)
        at java.lang.Integer.parseInt(java.base at 9-internal/Integer.java:813)
        at com.sun.javatest.regtest.Version.getBuild(Version.java:186)
        at com.sun.javatest.regtest.Version.compareTo(Version.java:168)
        at com.sun.javatest.regtest.Main.run(Main.java:1091)
        at com.sun.javatest.regtest.Main.run(Main.java:1037)
        at com.sun.javatest.regtest.Main.main(Main.java:951)

I suspect the check against "requiredVersion=4.2 b01" from TEST.ROOT (
http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/file/1c08ca66db33/test/TEST.ROOT)
went wrong. I suspect "build = manifest.getProperty("jtreg-Build");" in
http://hg.openjdk.java.net/code-tools/jtreg/file/6bfef17a03d5/src/share/classes/com/sun/javatest/regtest/Version.java
sets Version.build to "tip" and Version.getBuild tries to parse "ip" as a
number. :(

I tried to get past this problem by changing the required jtreg version to
4.1 b01. That gets the tests running, but a third of them fail with a class
loading problem: A ClassFormatError is thrown with "Truncated class file".
This seems to be due to a
missing java/lang/reflect/JTRegModuleHelper.class. I suspect that this
requirement was introduced with the module system that was integrated a few
weeks ago.

So, how do I get a version of jtreg that works with the latest JDK9?

BTW. It looks like the jtreg build (
https://adopt-openjdk.ci.cloudbees.com/job/jtreg/) is failing because of a
missing dependency on testng.

Help much appreaciated,
Carsten
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