Return-Path: Delivered-To: apmail-hadoop-general-archive@minotaur.apache.org Received: (qmail 40933 invoked from network); 19 May 2009 21:49:57 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 19 May 2009 21:49:57 -0000 Received: (qmail 88010 invoked by uid 500); 19 May 2009 21:50:07 -0000 Delivered-To: apmail-hadoop-general-archive@hadoop.apache.org Received: (qmail 87923 invoked by uid 500); 19 May 2009 21:50:07 -0000 Mailing-List: contact general-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: general@hadoop.apache.org Delivered-To: mailing list general@hadoop.apache.org Received: (qmail 87905 invoked by uid 99); 19 May 2009 21:50:07 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 19 May 2009 21:50:07 +0000 X-ASF-Spam-Status: No, hits=2.2 required=10.0 tests=HTML_MESSAGE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of p0941p@gmail.com designates 209.85.217.167 as permitted sender) Received: from [209.85.217.167] (HELO mail-gx0-f167.google.com) (209.85.217.167) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 19 May 2009 21:49:59 +0000 Received: by gxk11 with SMTP id 11so146294gxk.5 for ; Tue, 19 May 2009 14:49:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:date:message-id:subject :from:to:content-type; bh=vJW97xEkGFm05cXH0ZPM+ckjd25dTyn38osoBCHbk1k=; b=QkF5yw8RD7gXuj9durVArPFv4ohqLCqB8JBg5Wf1n7TfTCD4hpwi4G6ivyHGRBbN4A Gkd/uAFYTWgN2Bvi45KZLKKoSIOOCVPlHdzsfjIZKx3YzZZalh3WZabOxZNMLU2UzArN 6hzrdaODtchRWF09WVBD31ebTxyD6r3GABDKk= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=JOErOMiPMLRO9FP1ICWf/FBC9XuvBDHOoMl7PBOWHCHCsaf0Qj/LelbQXEotjgr+0d Rxr3IQhru0D8msKVayU0+CdzEf2uMQhDh7rcBy+4qk6P7aWOsZrbw85BLPuekZwazvhG nakThuHnjLEfNwFppEmU+n9wAfdHGTpC8pELE= MIME-Version: 1.0 Received: by 10.151.74.12 with SMTP id b12mr69424ybl.68.1242769762077; Tue, 19 May 2009 14:49:22 -0700 (PDT) Date: Tue, 19 May 2009 14:49:22 -0700 Message-ID: <9c39bdeb0905191449x256cb2f1pb6d40caee9459934@mail.gmail.com> Subject: DFS Access Error From: George Pang To: general@hadoop.apache.org, core-user@hadoop.apache.org Content-Type: multipart/alternative; boundary=001e680f182834d96f046a4ae27e X-Virus-Checked: Checked by ClamAV on apache.org --001e680f182834d96f046a4ae27e Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Dear Users, When I tried to access the DFS, an error message apears: Error: java.io.IOException: Unknown protocol to job tracker: org.apache.hadoop.dfs.ClientProtocol at org.apache.hadoop.mapred.jobTracker.getProtocolVersion(JobTracker.java:163) at sun.reflec.NativeMethodAccessorimpl.invoke0(Native Method) at sun.reflec.NativeMethodAccessorimpl.invoke0(NativeMethodAccessorimpl.java:39) at sun.reflec.NativeMethodAccessorimpl.invoke0(DelegatingMethodAccessorimpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:481) at org.apache.hadoop.ipc.Server$Handler.run(Server:java:890) Hadoop version: 0.18.3 I'd appreciate your opinion! George --001e680f182834d96f046a4ae27e--