hadoop-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From anand sharma <anand2sha...@gmail.com>
Subject Re: what are the core jars needed to compile a job in Hadoop 2.0.2 Alpha
Date Sun, 16 Dec 2012 12:45:32 GMT
hi harsh i tried Maven but ended up using hadoop source from svn and then
building from pom but its kind of giving errors when i try n install it
using maven. can you please give some detail how can i use Maven to build
Hadoop 2.0.2 with eclipse wordcount example.


On Sun, Dec 16, 2012 at 8:58 AM, anand sharma <anand2sharma@gmail.com>wrote:

> Thanks harsh it worked and i will try Maven now.
>
>
> On Sat, Dec 15, 2012 at 11:56 PM, Harsh J <harsh@cloudera.com> wrote:
>
>> If you are compiling in the old-world way (javac!) it would be simpler
>> to use the whole classpath, given the modularity of jars, such as:
>>
>> $ javac -cp `hadoop classpath` -d wordcount_classes WordCount.java
>>
>> Where the command `hadoop classpath` in the shell automatically
>> expands and provides a usable classpath.
>>
>> If you want a better approach, I highly recommend using Apache Maven
>> or similar tools with the hadoop-client dependency added instead.
>>
>> On Sat, Dec 15, 2012 at 9:11 PM, anand sharma <anand2sharma@gmail.com>
>> wrote:
>> > Hi please can someone let me know what are are core jar files and
>> depeancies
>> > we need to attach in classpath for a job to compile successfully from a
>> java
>> > source.
>> >
>> > say..
>> >
>> > javac -cp classpath -d wordcount_classes WordCount.java
>> >
>> > here what will be jar files for it to compile successfully.
>> >
>> > Thanks
>>
>>
>>
>> --
>> Harsh J
>>
>
>

Mime
View raw message