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From Mohammad Tariq <donta...@gmail.com>
Subject Re: New to hive.
Date Wed, 17 Jul 2013 19:08:25 GMT
Hello ma'm,

Apologies first of all for responding so late. Stuck with some urgent
deliverables. Was out of touch for a while.

java.io.IOException: Cannot run program
"/Users/bharati/hive-0.11.0/src/testutils/hadoop" (in directory
"/Users/bharati/eclipse/tutorial/src"): error=13, Permission denied
 at java.lang.ProcessBuilder.processException(ProcessBuilder.java:478)
 at java.lang.ProcessBuilder.start(ProcessBuilder.java:457)
 at java.lang.Runtime.exec(Runtime.java:593)
 at java.lang.Runtime.exec(Runtime.java:431)
 at org.apache.hadoop.hive.ql.exec.MapRedTask.execute(MapRedTask.java:269)
 at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:144)
 at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(
TaskRunner.java:57)
 at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1355)
 at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1139)
 at org.apache.hadoop.hive.ql.Driver.run(Driver.java:945)
 at org.apache.hadoop.hive.service.HiveServer$HiveServerHandler.execute(
HiveServer.java:198)
 at org.apache.hadoop.hive.service.ThriftHive$Processor$execute.getResult(
ThriftHive.java:644)
 at org.apache.hadoop.hive.service.ThriftHive$Processor$execute.getResult(
ThriftHive.java:1)
 at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
 at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
 at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(
TThreadPoolServer.java:206)
 at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(
ThreadPoolExecutor.java:895)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(
ThreadPoolExecutor.java:918)
 at java.lang.Thread.run(Thread.java:680)
Caused by: java.io.IOException: error=13, Permission denied
 at java.lang.UNIXProcess.forkAndExec(Native Method)
 at java.lang.UNIXProcess.<init>(UNIXProcess.java:53)
 at java.lang.ProcessImpl.start(ProcessImpl.java:91)
 at java.lang.ProcessBuilder.start(ProcessBuilder.java:452)
 ... 17 more

Please make sure you have proper permissions set for this path.

Warm Regards,
Tariq
cloudfront.blogspot.com


On Wed, Jul 17, 2013 at 8:03 PM, Puneet Khatod <puneet.khatod@tavant.com>wrote:

>  Hi,****
>
> ** **
>
> There are many online tutorials and blogs to provide quick get-set-go sort
> of information. To start with you can learn Hadoop. For detailed knowledge
> you will have to go through e-books as mentioned by Lefty.
> These books are bulky but will provide every bit of hadoop.
>
> I recently came across an android app called 'Big data Xpert', which has
> tips and tricks about big data technologies. I think that it can be quick
> and good reference for beginners as well as experienced developers.. ****
>
> For reference: ****
>
> https://play.google.com/store/apps/details?id=com.mobiknights.xpert.bigdata
> ****
>
> ** **
>
> Thanks,****
>
> Puneet****
>
> ** **
>
> *From:* Lefty Leverenz [mailto:lefty@hortonworks.com]
> *Sent:* Thursday, June 20, 2013 11:05 AM
> *To:* user@hive.apache.org
> *Subject:* Re: New to hive.****
>
> ** **
>
> "Programming Hive" and "Hadoop: The Definitive Guide" are available at the
> O'Reilly website (http://oreilly.com/) and on Amazon. ****
>
> ** **
>
> But don't forget the Hive wiki:****
>
>    - Hive Home -- https://cwiki.apache.org/confluence/display/Hive/Home **
>    **
>    - Getting Started --
>    https://cwiki.apache.org/confluence/display/Hive/GettingStarted****
>    - Hive Tutorial --
>    https://cwiki.apache.org/confluence/display/Hive/Tutorial****
>
>  – Lefty****
>
> ** **
>
> ** **
>
> On Wed, Jun 19, 2013 at 7:02 PM, Mohammad Tariq <dontariq@gmail.com>
> wrote:****
>
>  Hello ma'am,****
>
> ** **
>
>       Hive queries are parsed using ANTLR <http://www.antlr.org/> and and
> are converted into corresponding MR jobs(actually a lot of things happen
> under the hood). I had answered a similar question<http://stackoverflow.com/questions/17090022/hive-query-control-flow/17095756?noredirect=1#comment24873979_17095756>few
days ago on SO, you might find it helpful. But I would suggest you to
> go through the original paper<http://cs.brown.edu/courses/cs227/papers/hive.pdf>which
explains all these things in proper detail. I would also recommend
> you to go through the book "Programming Hive". It's really nice.****
>
> ** **
>
> HTH****
>
>
> ****
>
> Warm Regards,****
>
> Tariq****
>
> cloudfront.blogspot.com****
>
> ** **
>
> On Thu, Jun 20, 2013 at 4:24 AM, Bharati <bharati.adkar@mparallelo.com>
> wrote:****
>
>  Hi Folks,
>
> I am new to hive and need information, tutorials etc that you can point
> to. I have installed hive to work with MySQL.
>
>  I can run queries. Now I would like to understand how the map and reduce
> classes are created and how I can look at the data for the map job and map
> class the hive query generates.  Also is there a way to create custom map
> classes.
> I would appreciate if anyone can help me get started.
>
> Thanks,
> Bharati
>
> Sent from my iPad****
>
> Fortigate Filtered****
>
>  ** **
>
>  ** **
>
>
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