On Wed, 8 Sep 2021 22:15:12 GMT, Naoto Sato <na...@openjdk.org> wrote:

> The gist of the issue is that the test case now always creates the boot 
> classpath with non-ASCII chars appended, because the default encoding is 
> fixed to UTF-8 with the fix to JDK-8260265.
> 
> On macOS, javaagent tries to load the class with US-ASCII determined by 
> nl_langinfo() (in unix/.../EncodingSupport_md.c). The file system encoding is 
> always UTF-8 on mac, so no need to use the determined encoding by 
> nl_langinfo().
> 
> On Linux, the "defaultEncoding" in Setup.java used to be US-ASCII in "C" 
> locale (which matches the result from nl_langinfo()), so no non-ASCII suffix 
> was appended to the `boot` path. But now the "defaultEncoding" is always 
> UTF-8, the setup code appends the non-ASCII suffix, which fails to read in 
> the native code using iconv with US-ASCII. The setup code should use the 
> encoding from "sun.jnu.encoding" instead. Actually, the code there was copied 
> from UnicodeTest.java which was modified with JDK-8260265, so the same fix 
> needs to be applied.
> 
> Tier5 run succeeds with one unrelated failure. Also, fixed some typos, e.g. 
> "Uft8" -> "Utf8"

Hi Naoto,

> The file system encoding is always UTF-8 on mac, so no need to use the 
> determined encoding by nl_langinfo().

Doesn't it depend on the OS version and which file system is being used? HFS+ 
seems to use UTF-16

Thanks,
David

-------------

PR: https://git.openjdk.java.net/jdk/pull/5427

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