Return-Path: X-Original-To: apmail-hadoop-hdfs-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-user-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 73CCB10857 for ; Fri, 20 Sep 2013 13:45:05 +0000 (UTC) Received: (qmail 17239 invoked by uid 500); 20 Sep 2013 13:43:21 -0000 Delivered-To: apmail-hadoop-hdfs-user-archive@hadoop.apache.org Received: (qmail 16923 invoked by uid 500); 20 Sep 2013 13:43:15 -0000 Mailing-List: contact user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hadoop.apache.org Delivered-To: mailing list user@hadoop.apache.org Received: (qmail 16617 invoked by uid 99); 20 Sep 2013 13:43:06 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 20 Sep 2013 13:43:06 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of rohitsarewar@gmail.com designates 209.85.216.172 as permitted sender) Received: from [209.85.216.172] (HELO mail-qc0-f172.google.com) (209.85.216.172) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 20 Sep 2013 13:43:00 +0000 Received: by mail-qc0-f172.google.com with SMTP id l13so270537qcy.3 for ; Fri, 20 Sep 2013 06:42:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=s3lMFxxKOoKSoKZQFLUA6eMHeY2rANooUomq3M1a+is=; b=B8X35jXxr6th3U5mwSDimTM6LQF+siCVD5JCpBMNkw8OabUmZvLcbZa6twJNo5DxRf jaY8R/CKODQIJlJoRwCCWy95HjAszZ3QGrvWKBErRd6TUo81vhL3kwmXNpU/llc1iAFi d0/qsqepSrNSxzbYo1jMN2XOXb94I14PHv8tzPZFHijWAKJ8CJQ2ViSt/KwVpRFRreRa WuhJahRhMuHL5G1urJYi55FTd0gEmwq+XWM1mctGHPkW6KXiBbqFUVn3XkGGV4ND4Ss1 Zebe2IyyGoZqDJryZQENXRnDhhRAlc8vnL+KsEyPlRNsUk47102uhpU/z/hIn9k7gtZV R5uQ== MIME-Version: 1.0 X-Received: by 10.49.27.226 with SMTP id w2mr4489058qeg.32.1379684559901; Fri, 20 Sep 2013 06:42:39 -0700 (PDT) Received: by 10.224.142.20 with HTTP; Fri, 20 Sep 2013 06:42:39 -0700 (PDT) Date: Fri, 20 Sep 2013 19:12:39 +0530 Message-ID: Subject: Map task failed: No protocol specified From: rohit sarewar To: user@hadoop.apache.org Content-Type: multipart/alternative; boundary=047d7bdc0c72186eb604e6d0d870 X-Virus-Checked: Checked by ClamAV on apache.org --047d7bdc0c72186eb604e6d0d870 Content-Type: text/plain; charset=ISO-8859-1 I am using CDH4 and I am trying to access GPU from cleanup() method of mapper class using JOCL. (Note: My normal code(without map reduce) works fine on GPU). When I execute my map-reduce code, It throws an error (specified below). ******************************Error******************************************** attempt_201309171647_0021_m_000000_1: No protocol specified attempt_201309171647_0021_m_000000_1:* No protocol specified* 13/09/20 18:03:01 INFO mapred.JobClient: Task Id : attempt_201309171647_0021_m_000000_2, Status : FAILED org.jocl.CLException:* CL_DEVICE_NOT_FOUND* at org.jocl.CL.checkResult(CL.java:569) at org.jocl.CL.clGetDeviceIDs(CL.java:2239) at com.testMR.jocl.WordCountMapper.cleanup(WordCountMapper.java:106) at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:142) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:672) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:330) at org.apache.hadoop.mapred.Child$4.run(Child.java:268) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:396) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1408) at org.apache.hadoop.mapred.Child.main(Child.java:262) ****************************************************************************** *Each map task throws an error "No protocol specified". what does this mean ?* What are the protocols used in mapper class ? Regards Rohit Sarewar --047d7bdc0c72186eb604e6d0d870 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
I am using CDH4 and I am trying to access GPU from cl= eanup() method of mapper class using JOCL.
(Note: My normal code(wi= thout map reduce) works fine on GPU).

When I execute my map-reduce code, It throws an error (specified = below).

******************************Error********************= ************************
attempt_201309171647_0021_m_000000_1= : No protocol specified
attempt_201309171647_0021_m_000000_1: No protocol specified
13/09= /20 18:03:01 INFO mapred.JobClient: Task Id : attempt_201309171647_0021_m_0= 00000_2, Status : FAILED
org.jocl.CLException: CL_DEVICE_NOT_FOUND
=A0=A0=A0 at org.jocl.CL.checkResult(CL.java:569)
=A0=A0=A0 at org.jocl.= CL.clGetDeviceIDs(CL.java:2239)
=A0=A0=A0 at com.testMR.jocl.WordCountMa= pper.cleanup(WordCountMapper.java:106)
=A0=A0=A0 at org.apache.hadoop.ma= preduce.Mapper.run(Mapper.java:142)
=A0=A0=A0 at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:672= )
=A0=A0=A0 at org.apache.hadoop.mapred.MapTask.run(MapTask.java:330)=A0=A0=A0 at org.apache.hadoop.mapred.Child$4.run(Child.java:268)
=A0= =A0=A0 at java.security.AccessController.doPrivileged(Native Method)
=A0=A0=A0 at javax.security.auth.Subject.doAs(Subject.java:396)
=A0=A0= =A0 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInform= ation.java:1408)
=A0=A0=A0 at org.apache.hadoop.mapred.Child.main(Child.= java:262)
**************************************************************= ****************

Each map task throws an error=A0 "No protocol specif= ied". what does this mean ?
What are the protocols u= sed in mapper class ?

Regards
Rohit Sarewa= r
--047d7bdc0c72186eb604e6d0d870--