Return-Path: X-Original-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-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 3DAEE1785E for ; Sat, 4 Oct 2014 00:29:35 +0000 (UTC) Received: (qmail 37779 invoked by uid 500); 4 Oct 2014 00:29:34 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 37415 invoked by uid 500); 4 Oct 2014 00:29:34 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hdfs-issues@hadoop.apache.org Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 37400 invoked by uid 99); 4 Oct 2014 00:29:34 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 04 Oct 2014 00:29:34 +0000 Date: Sat, 4 Oct 2014 00:29:34 +0000 (UTC) From: "Haohui Mai (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (HDFS-7191) WebHDFS prematurely closes connections under high concurrent loads MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Haohui Mai created HDFS-7191: -------------------------------- Summary: WebHDFS prematurely closes connections under high concurrent loads Key: HDFS-7191 URL: https://issues.apache.org/jira/browse/HDFS-7191 Project: Hadoop HDFS Issue Type: Bug Reporter: Haohui Mai Priority: Critical We're seeing the DN prematurely closes APPEND connections: {noformat] 2014-09-22 23:53:12,721 WARN org.apache.hadoop.hdfs.web.resources.ExceptionHandler: INTERNAL_SERVER_ERROR java.nio.channels.CancelledKeyException at sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:55) at sun.nio.ch.SelectionKeyImpl.interestOps(SelectionKeyImpl.java:59) at org.mortbay.io.nio.SelectChannelEndPoint.updateKey(SelectChannelEndPoint.java:325) at org.mortbay.io.nio.SelectChannelEndPoint.blockReadable(SelectChannelEndPoint.java:242) at org.mortbay.jetty.HttpParser$Input.blockForContent(HttpParser.java:1169) at org.mortbay.jetty.HttpParser$Input.read(HttpParser.java:1122) at java.io.InputStream.read(InputStream.java:85) at org.apache.hadoop.io.IOUtils.copyBytes(IOUtils.java:84) at org.apache.hadoop.hdfs.server.datanode.web.resources.DatanodeWebHdfsMethods.put(DatanodeWebHdfsMethods.java:239) at org.apache.hadoop.hdfs.server.datanode.web.resources.DatanodeWebHdfsMethods.access$000(DatanodeWebHdfsMethods.java:87) at org.apache.hadoop.hdfs.server.datanode.web.resources.DatanodeWebHdfsMethods$1.run(DatanodeWebHdfsMethods.java:205) at org.apache.hadoop.hdfs.server.datanode.web.resources.DatanodeWebHdfsMethods$1.run(DatanodeWebHdfsMethods.java:202) 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:1548) at org.apache.hadoop.hdfs.server.datanode.web.resources.DatanodeWebHdfsMethods.put(DatanodeWebHdfsMethods.java:202) {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)