Fix for test/jdk/sun/management/jmxremote/bootstrap/CustomLauncherTest.java on Alpine Linux

[Mikael Vidstedt]

Hm.. unless I’m missing something, this test should be rewritten. The binaries should not be in the repo, they should be built as part of the test-images target, much like other tests which depend on native artifacts. Thoughts?

Cheers,
Mikael

> On Feb 20, 2020, at 4:38 AM, Alexander Scherbatiy <alexander.scherbatiy at bell-sw.com> wrote:
> 
> Hello,
> 
> The test CustomLauncherTest.java fails because it calls binary ${platform}-${arch}/laucher file and there is no compiled binary file for musl libc library.
> 
> The proposed fix uses the built binary launcher file [1]. The binary file was compiled on Alpine Linux 3.11.3 (arch amd64) using jdk 13.0.2, cc 9.2.0, and musl libc (x86_64) 1.1.24 .
> 
> The CustomLauncherTest test is updated to check if musl libc is present and calling linux-musl-amd64/launcher file.
> 
> The code for musl library detection is moved from TestHelper to LibcUtils helper class.
> 
> http://cr.openjdk.java.net/~alexsch/portola/tests/jmxremote/webrev.00
> 
> The test with the proposed patch also passes on Alpine Linux 3.8.4 (arch amd64) with musl libc (x86_64) 1.1.19, and jdk 13.0.2.
> 
> [1] http://cr.openjdk.java.net/~alexsch/portola/tests/jmxremote/webrev.00/bootstrap/linux-musl-amd64/launcher
> 
> Thanks,
> 
> Alexander.
>