On Fri, 9 Aug 2024 15:58:50 GMT, Brian Burkhalter <b...@openjdk.org> wrote:
>> I see. Inet6AddressImpl and Inet4AddressImpl are symetric classes
>> implementing InetAddressImpl. Both will make native calls to the "net"
>> library - so both require the library to be loaded.
>>
>> In the JDK, these two classes are only loaded by InetAddress, after the
>> "net" library has been loaded.
>>
>> The test test java/net/InetAddress/NullCharInHostnameDriver.java seems to be
>> an outlier (@AlekseiEfimov ?) which for some reason uses a private API (the
>> test is injected in java.base) and create a new instance of Inet6AddressImpl
>> before InetAddress is loaded. This is why without this change to
>> Inet6AddressImpl we get the UnsatisfiedLinkError. We would have gotten the
>> same from Inet4AddressImpl if the test had first required access to
>> Inet4AddressImpl instead.
>>
>> So it seems that we should either add the call to load the "net" library to
>> both Inet6AddressImpl and Inet4AddressImpl for symetry (there doesn't seem
>> to be any reason why Inet6AddressImpl would be preferred in this respect),
>> or remove this call from Inet6AddressImpl and add it to the test instead.
>> Adding the call to jdk.internal.loader.BootLoader.loadLibrary("net"); in the
>> test should work since the actual test class (NullCharInHostname.java) is
>> injected in java.base.
>
> Thanks. I'll try adding it to the test.
In f57b6f1 I reverted the Inet6AddressImpl change and added the "net" library
load to NullCharInHostname.java. With this change the test passed on Unix.
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PR Review Comment: https://git.openjdk.org/jdk/pull/20317#discussion_r1711895017
