Return-Path: X-Original-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 7F8DE92D2 for ; Mon, 14 Nov 2011 02:16:16 +0000 (UTC) Received: (qmail 67638 invoked by uid 500); 14 Nov 2011 02:16:16 -0000 Delivered-To: apmail-hadoop-common-issues-archive@hadoop.apache.org Received: (qmail 67605 invoked by uid 500); 14 Nov 2011 02:16:16 -0000 Mailing-List: contact common-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-issues@hadoop.apache.org Delivered-To: mailing list common-issues@hadoop.apache.org Received: (qmail 67590 invoked by uid 99); 14 Nov 2011 02:16:16 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 14 Nov 2011 02:16:16 +0000 X-ASF-Spam-Status: No, hits=-2001.2 required=5.0 tests=ALL_TRUSTED,RP_MATCHES_RCVD X-Spam-Check-By: apache.org Received: from [140.211.11.116] (HELO hel.zones.apache.org) (140.211.11.116) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 14 Nov 2011 02:16:13 +0000 Received: from hel.zones.apache.org (hel.zones.apache.org [140.211.11.116]) by hel.zones.apache.org (Postfix) with ESMTP id 9E4425925F for ; Mon, 14 Nov 2011 02:15:51 +0000 (UTC) Date: Mon, 14 Nov 2011 02:15:51 +0000 (UTC) From: "Aaron T. Myers (Resolved) (JIRA)" To: common-issues@hadoop.apache.org Message-ID: <1558556608.25784.1321236951649.JavaMail.tomcat@hel.zones.apache.org> In-Reply-To: <104621644.25310.1321208391648.JavaMail.tomcat@hel.zones.apache.org> Subject: [jira] [Resolved] (HADOOP-7819) java.lang.ClassCastException: org.apache.hadoop.mapreduce.ReduceContext$ValueIterable cannot be cast to java.util.Iterator MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HADOOP-7819?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Aaron T. Myers resolved HADOOP-7819. ------------------------------------ Resolution: Not A Problem > java.lang.ClassCastException: org.apache.hadoop.mapreduce.ReduceContext$ValueIterable cannot be cast to java.util.Iterator > -------------------------------------------------------------------------------------------------------------------------- > > Key: HADOOP-7819 > URL: https://issues.apache.org/jira/browse/HADOOP-7819 > Project: Hadoop Common > Issue Type: Bug > Affects Versions: 0.20.2 > Environment: Linux calculate 2.6.39-pf4 #15 SMP PREEMPT Sat Nov 5 18:14:51 GST 2011 x86_64 Intel(R) Core(TM) i3 CPU M 330 @ 2.13GHz GenuineIntel GNU/Linux > java version "1.6.0_26" > Java(TM) SE Runtime Environment (build 1.6.0_26-b03) > Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode) > Reporter: Eldar Abdrazakov > > 11/11/13 22:07:26 INFO jvm.JvmMetrics: Initializing JVM Metrics with processName=JobTracker, sessionId= > WARNING: partition-by already refers to: #'clojure.core/partition-by in namespace: hadoop1, being replaced by: #'clojure.contrib.seq-utils/partition-by > WARNING: frequencies already refers to: #'clojure.core/frequencies in namespace: hadoop1, being replaced by: #'clojure.contrib.seq-utils/frequencies > WARNING: shuffle already refers to: #'clojure.core/shuffle in namespace: hadoop1, being replaced by: #'clojure.contrib.seq-utils/shuffle > WARNING: reductions already refers to: #'clojure.core/reductions in namespace: hadoop1, being replaced by: #'clojure.contrib.seq-utils/reductions > WARNING: partition-all already refers to: #'clojure.core/partition-all in namespace: hadoop1, being replaced by: #'clojure.contrib.seq-utils/partition-all > WARNING: group-by already refers to: #'clojure.core/group-by in namespace: hadoop1, being replaced by: #'clojure.contrib.seq-utils/group-by > WARNING: flatten already refers to: #'clojure.core/flatten in namespace: hadoop1, being replaced by: #'clojure.contrib.seq-utils/flatten > 11/11/13 22:07:26 INFO input.FileInputFormat: Total input paths to process : 1 > 11/11/13 22:07:26 INFO mapred.JobClient: Running job: job_local_0001 > 11/11/13 22:07:26 INFO input.FileInputFormat: Total input paths to process : 1 > 11/11/13 22:07:26 INFO mapred.MapTask: io.sort.mb = 100 > 11/11/13 22:07:27 INFO mapred.MapTask: data buffer = 79691776/99614720 > 11/11/13 22:07:27 INFO mapred.MapTask: record buffer = 262144/327680 > 11/11/13 22:07:27 INFO mapred.JobClient: map 0% reduce 0% > 11/11/13 22:07:30 INFO mapred.MapTask: Spilling map output: record full = true > 11/11/13 22:07:30 INFO mapred.MapTask: bufstart = 0; bufend = 2097400; bufvoid = 99614720 > 11/11/13 22:07:30 INFO mapred.MapTask: kvstart = 0; kvend = 262144; length = 327680 > 11/11/13 22:07:31 INFO mapred.MapTask: Finished spill 0 > 11/11/13 22:07:32 INFO mapred.LocalJobRunner: > 11/11/13 22:07:33 INFO mapred.MapTask: Spilling map output: record full = true > 11/11/13 22:07:33 INFO mapred.MapTask: bufstart = 2097400; bufend = 4194707; bufvoid = 99614720 > 11/11/13 22:07:33 INFO mapred.MapTask: kvstart = 262144; kvend = 196607; length = 327680 > 11/11/13 22:07:33 INFO mapred.JobClient: map 75% reduce 0% > 11/11/13 22:07:34 INFO mapred.MapTask: Finished spill 1 > 11/11/13 22:07:34 INFO mapred.MapTask: Starting flush of map output > 11/11/13 22:07:34 INFO mapred.MapTask: Finished spill 2 > 11/11/13 22:07:34 INFO mapred.Merger: Merging 3 sorted segments > 11/11/13 22:07:34 INFO mapred.Merger: Down to the last merge-pass, with 3 segments left of total size: 6276350 bytes > 11/11/13 22:07:35 INFO mapred.TaskRunner: Task:attempt_local_0001_m_000000_0 is done. And is in the process of commiting > 11/11/13 22:07:35 INFO mapred.LocalJobRunner: > 11/11/13 22:07:35 INFO mapred.TaskRunner: Task 'attempt_local_0001_m_000000_0' done. > 11/11/13 22:07:35 INFO mapred.LocalJobRunner: > 11/11/13 22:07:35 INFO mapred.Merger: Merging 1 sorted segments > 11/11/13 22:07:35 INFO mapred.Merger: Down to the last merge-pass, with 1 segments left of total size: 6276346 bytes > 11/11/13 22:07:35 INFO mapred.LocalJobRunner: > 11/11/13 22:07:35 WARN mapred.LocalJobRunner: job_local_0001 > java.lang.ClassCastException: org.apache.hadoop.mapreduce.ReduceContext$ValueIterable cannot be cast to java.util.Iterator > at clojure.core$iterator_seq.invoke(core.clj:4561) > at hadoop1$string_long_reduce_reader$fn__214.invoke(hadoop1.clj:40) > at hadoop1$my_reduce.invoke(hadoop1.clj:31) > at clojure.lang.AFn.applyToHelper(AFn.java:165) > at clojure.lang.AFn.applyTo(AFn.java:151) > at clojure.core$apply.invoke(core.clj:540) > at clojure_hadoop.wrap$wrap_reduce$fn__178.invoke(wrap.clj:92) > at clojure_hadoop.job_reducer.reduce(Unknown Source) > at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:176) > at clojure_hadoop.job_reducer.run(Unknown Source) > at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:566) > at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:408) > at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:216) > 11/11/13 22:07:35 INFO mapred.JobClient: map 100% reduce 0% > 11/11/13 22:07:35 INFO mapred.JobClient: Job complete: job_local_0001 > 11/11/13 22:07:35 INFO mapred.JobClient: Counters: 12 > 11/11/13 22:07:35 INFO mapred.JobClient: FileSystemCounters > 11/11/13 22:07:35 INFO mapred.JobClient: FILE_BYTES_READ=22930784 > 11/11/13 22:07:35 INFO mapred.JobClient: FILE_BYTES_WRITTEN=28672002 > 11/11/13 22:07:35 INFO mapred.JobClient: Map-Reduce Framework > 11/11/13 22:07:35 INFO mapred.JobClient: Reduce input groups=0 > 11/11/13 22:07:35 INFO mapred.JobClient: Combine output records=0 > 11/11/13 22:07:35 INFO mapred.JobClient: Map input records=12760 > 11/11/13 22:07:35 INFO mapred.JobClient: Reduce shuffle bytes=0 > 11/11/13 22:07:35 INFO mapred.JobClient: Reduce output records=0 > 11/11/13 22:07:35 INFO mapred.JobClient: Spilled Records=1255180 > 11/11/13 22:07:35 INFO mapred.JobClient: Map output bytes=5021164 > 11/11/13 22:07:35 INFO mapred.JobClient: Combine input records=0 > 11/11/13 22:07:35 INFO mapred.JobClient: Map output records=627590 > 11/11/13 22:07:35 INFO mapred.JobClient: Reduce input records=0 -- This message is automatically generated by JIRA. 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