Return-Path: Delivered-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Received: (qmail 70332 invoked from network); 7 Dec 2010 09:30:40 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 7 Dec 2010 09:30:40 -0000 Received: (qmail 42819 invoked by uid 500); 7 Dec 2010 09:30:39 -0000 Delivered-To: apmail-hadoop-common-issues-archive@hadoop.apache.org Received: (qmail 42654 invoked by uid 500); 7 Dec 2010 09:30:39 -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 42646 invoked by uid 99); 7 Dec 2010 09:30:38 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 07 Dec 2010 09:30:38 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.22] (HELO thor.apache.org) (140.211.11.22) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 07 Dec 2010 09:30:36 +0000 Received: from thor (localhost [127.0.0.1]) by thor.apache.org (8.13.8+Sun/8.13.8) with ESMTP id oB79UEuB020468 for ; Tue, 7 Dec 2010 09:30:14 GMT Message-ID: <19762601.19901291714214397.JavaMail.jira@thor> Date: Tue, 7 Dec 2010 04:30:14 -0500 (EST) From: "Bennie Schut (JIRA)" To: common-issues@hadoop.apache.org Subject: [jira] Updated: (HADOOP-6663) BlockDecompressorStream get EOF exception when decompressing the file compressed from empty file 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-6663?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Bennie Schut updated HADOOP-6663: --------------------------------- Attachment: HADOOP-6663-0.20.2.patch Copied the same change Kang Xiao made to 0.20.2 since I needed it for that version. > BlockDecompressorStream get EOF exception when decompressing the file compressed from empty file > ------------------------------------------------------------------------------------------------ > > Key: HADOOP-6663 > URL: https://issues.apache.org/jira/browse/HADOOP-6663 > Project: Hadoop Common > Issue Type: Bug > Components: io > Affects Versions: 0.20.2 > Reporter: Kang Xiao > Assignee: Kang Xiao > Fix For: 0.22.0 > > Attachments: BlockDecompressorStream.java.patch, BlockDecompressorStream.java.patch, BlockDecompressorStream.patch, HADOOP-6663-0.20.2.patch, HADOOP-6663.patch > > > An empty file can be compressed using BlockDecompressorStream, which is for block-based compressiong algorithm such as LZO. However, when decompressing the compressed file, BlockDecompressorStream get EOF exception. > Here is a typical exception stack: > java.io.EOFException > at org.apache.hadoop.io.compress.BlockDecompressorStream.rawReadInt(BlockDecompressorStream.java:125) > at org.apache.hadoop.io.compress.BlockDecompressorStream.getCompressedData(BlockDecompressorStream.java:96) > at org.apache.hadoop.io.compress.BlockDecompressorStream.decompress(BlockDecompressorStream.java:82) > at org.apache.hadoop.io.compress.DecompressorStream.read(DecompressorStream.java:74) > at java.io.InputStream.read(InputStream.java:85) > at org.apache.hadoop.util.LineReader.readLine(LineReader.java:134) > at org.apache.hadoop.mapred.LineRecordReader.next(LineRecordReader.java:134) > at org.apache.hadoop.mapred.LineRecordReader.next(LineRecordReader.java:39) > at org.apache.hadoop.mapred.MapTask$TrackedRecordReader.moveToNext(MapTask.java:186) > at org.apache.hadoop.mapred.MapTask$TrackedRecordReader.next(MapTask.java:170) > at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:48) > at org.apache.hadoop.streaming.PipeMapRunner.run(PipeMapRunner.java:18) > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:334) > at org.apache.hadoop.mapred.Child.main(Child.java:196) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.