Unfortunately, official Ubuntu repositories no longer supports Oracle
JDK/JRE 6. See https://help.ubuntu.com/community/Java#Oracle_.28Sun.29_Java_6
On Thu, Nov 8, 2012 at 11:47 AM, Sanjeev Verma
<[EMAIL PROTECTED]> wrote:
> AFAIK, openjdk can be used to run hadoop. Why do you want to build hadoop
> from source? Get precompiled binaries and you will be ok.
> Also, you can install sun/oracle jdk on ubuntu. Just google for
> instructions, u will find plenty, like here -
> These are for jdk 7, but you can follow the same to install jdk 6.
> On Nov 8, 2012 11:30 AM, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote:
>> I am planning to use Ubuntu 12.04, from
>> http://wiki.apache.org/hadoop/HadoopJavaVersions, about OpenJDK
>> "Note*: OpenJDK6 has some open bugs w.r.t handling of generics... so
>> OpenJDK cannot be used to compile hadoop mapreduce code in branch-0.23 and
>> beyond, please use other JDKs."
>> Is it OK to use OpenJDK 7 in Ubuntu 12.04?