Just to close the loop on this a bit ...
Windows always triggers the 'native-win' profile because winutils is
currently required to actually use Apache Hadoop on that platform. On other
platforms, the 'native' profile is optional since their is enough support in
the JDK to at least do all the basic of tasks. (It's still HIGHLY recommended,
however, that the native code get built though.)
It'd probably be a good project for someone to see if modern JDKs (with
or without additional dependencies) now have enough support to make winutils
optional.
> On Aug 31, 2017, at 4:14 PM, Ping Liu <pingpinga...@gmail.com> wrote:
>
> Hi Ravi, John,
>
> Thanks! Yeah, it's the first profile. Now as I tried the build with
> -Pnative, I saw the build failure. It complains for cmake.
>
> It's also a requirement specified in BUILDING.txt that John pointed out.
>
> Thanks!!
>
> Ping
>
>
>
> On Thu, Aug 31, 2017 at 4:03 PM, Ravi Prakash <ravihad...@gmail.com> wrote:
>
>> Please use -Pnative profile
>>
>> On Thu, Aug 31, 2017 at 3:53 PM, Ping Liu <pingpinga...@gmail.com> wrote:
>>
>>> Hi John,
>>>
>>> Thank you for your quick response.
>>>
>>> I used
>>>
>>> mvn clean install -DskipTests
>>>
>>> I just did a comparison with my Windows build result. winutils is missing
>>> too.
>>>
>>> So both "native" and "winutils" folders are not generated in target
>>> folder,
>>> although it shows BUILD SUCCESS.
>>>
>>> Thanks.
>>>
>>> Ping
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> On Thu, Aug 31, 2017 at 3:36 PM, John Zhuge <john.zh...@gmail.com> wrote:
>>>
>>>> Hi Ping,
>>>>
>>>> Thanks for using Hadoop. Linux is Unix-like. Hadoop supports native code
>>>> on Linux. Please read BUILDING.txt in the root of the Hadoop source
>>> tree.
>>>>
>>>> Could you provide the entire Maven command line when you built Hadoop?
>>>>
>>>> On Thu, Aug 31, 2017 at 3:06 PM, Ping Liu <pingpinga...@gmail.com>
>>> wrote:
>>>>
>>>>> I built hadoop-common on Ubuntu in my VirtualBox. But in target
>>> folder, I
>>>>> didn't find "native" folder that is supposed to contain the generated
>>> JNI
>>>>> header files for C. On my Windows, native folder is found in target.
>>>>>
>>>>> As I check the POM file, I found "native build only supported on Mac or
>>>>> Unix". Does this mean native is not supported on Linux?
>>>>>
>>>>> Thanks!
>>>>>
>>>>> Ping
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> John
>>>>
>>>
>>
>>
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