Return-Path: X-Original-To: apmail-cassandra-user-archive@www.apache.org Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id E942F9884 for ; Sun, 3 Jun 2012 01:56:57 +0000 (UTC) Received: (qmail 65547 invoked by uid 500); 3 Jun 2012 01:56:55 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 65472 invoked by uid 500); 3 Jun 2012 01:56:55 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 65462 invoked by uid 99); 3 Jun 2012 01:56:55 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 03 Jun 2012 01:56:55 +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 hgdeoro@gmail.com designates 209.85.217.172 as permitted sender) Received: from [209.85.217.172] (HELO mail-lb0-f172.google.com) (209.85.217.172) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 03 Jun 2012 01:56:49 +0000 Received: by lbbgo11 with SMTP id go11so2629475lbb.31 for ; Sat, 02 Jun 2012 18:56:27 -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=n1o1v57M8XIjUDFLWKSvWqc7aIJiRkZDbVrOLv+Aq84=; b=DMYDk2UOn+jaSeWENgtMgYukG7ludiwPPRUZep0pR27NuDbrwSwhj5P4G4lXzWlGUT pixNHtd4esd83SXsmMujLcV4vLgD7sVnuIrO53ViQBZVoAQmcOgBg75xIVHfd9msD3Dq Xdes39j1rpxcBcwr/bVROoddGmeXuPgiucfi4N2hrPr0x6xgiK2sc8DydIDtddETZJYb Q2EnRyw9sgsFqFXlG+RI0KzL/he9HnhED1vsQnOIJV7VL20vvikFUMNI/m6UIeZwvbPj OZ5JkSm7eQ3DjOWDv4mt+JoLN5ex78gv3w0YDyGx4vqgOHNKOvg8L/IeM3FB+a0rp0Yb d3zw== MIME-Version: 1.0 Received: by 10.152.122.12 with SMTP id lo12mr7988193lab.3.1338688587437; Sat, 02 Jun 2012 18:56:27 -0700 (PDT) Received: by 10.112.82.196 with HTTP; Sat, 2 Jun 2012 18:56:27 -0700 (PDT) Date: Sat, 2 Jun 2012 22:56:27 -0300 Message-ID: Subject: Errors with Cassandra 1.0.10, 1.1.0, 1.1.1-SNAPSHOT and 1.2.0-SNAPSHOT From: "Horacio G. de Oro" To: user@cassandra.apache.org Content-Type: multipart/alternative; boundary=f46d042dfc93b816f004c187b9e5 X-Virus-Checked: Checked by ClamAV on apache.org --f46d042dfc93b816f004c187b9e5 Content-Type: text/plain; charset=ISO-8859-1 Hi! While using Cassandra, I've seen this log messages when running some test cases (which insert lots of columns in 4 rows). I've tryied Cassandra 1.0.10, 1.1.0, 1.1.1-SNAPSHOT and 1.2.0-SNAPSHOT (built from git). I'm using the default configuration, Oracle jdk 1.6.0_32, Ubuntu 12.04 and pycassa. Since I'm very new to Cassandra (I'm just starting to learn it) I don't know if I'm doing something wrong, or maybe there are some bugs in the several versions of Cassandra I've tested. cassandra-1.0.10 - IOException: unable to mkdirs cassandra-1.1.0 - IOException: Unable to create directory cassandra-1.1.1-SNAPSHOT - IOException: Unable to create directory cassandra-1.2.0-SNAPSHOT - IOException: Unable to create directory - CLibrary.java (line 191) Unable to create hard link (...) command output: ln: failed to create hard link `(...)/lolog_tests-Logs_by_app-ia-3-Summary.db': File exists Thanks in advance! Horacio ------------------------------------------------------------ system-cassandra-1.0.10.log ------------------------------------------------------------ ERROR [MutationStage:1] 2012-06-02 20:37:41,115 AbstractCassandraDaemon.java (line 139) Fatal exception in thread Thread[MutationStage:1,5,main] java.io.IOError: java.io.IOException: unable to mkdirs /var/lib/cassandra/data/lolog_tests/snapshots/1338680261112-Logs_by_app at org.apache.cassandra.db.ColumnFamilyStore.snapshotWithoutFlush(ColumnFamilyStore.java:1433) at org.apache.cassandra.db.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1462) at org.apache.cassandra.db.ColumnFamilyStore.truncate(ColumnFamilyStore.java:1657) at org.apache.cassandra.db.TruncateVerbHandler.doVerb(TruncateVerbHandler.java:50) ERROR [MutationStage:11] 2012-06-02 20:37:55,730 AbstractCassandraDaemon.java (line 139) Fatal exception in thread Thread[MutationStage:11,5,main] java.io.IOError: java.io.IOException: unable to mkdirs /var/lib/cassandra/data/lolog_tests/snapshots/1338680275729-Logs_by_app at org.apache.cassandra.db.ColumnFamilyStore.snapshotWithoutFlush(ColumnFamilyStore.java:1433) at org.apache.cassandra.db.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1462) at org.apache.cassandra.db.ColumnFamilyStore.truncate(ColumnFamilyStore.java:1657) at org.apache.cassandra.db.TruncateVerbHandler.doVerb(TruncateVerbHandler.java:50) ERROR [MutationStage:19] 2012-06-02 20:37:57,395 AbstractCassandraDaemon.java (line 139) Fatal exception in thread Thread[MutationStage:19,5,main] java.io.IOError: java.io.IOException: unable to mkdirs /var/lib/cassandra/data/lolog_tests/snapshots/1338680277394-Logs_by_app at org.apache.cassandra.db.ColumnFamilyStore.snapshotWithoutFlush(ColumnFamilyStore.java:1433) at org.apache.cassandra.db.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1462) at org.apache.cassandra.db.ColumnFamilyStore.truncate(ColumnFamilyStore.java:1657) at org.apache.cassandra.db.TruncateVerbHandler.doVerb(TruncateVerbHandler.java:50) ERROR [MutationStage:20] 2012-06-02 20:41:26,666 AbstractCassandraDaemon.java (line 139) Fatal exception in thread Thread[MutationStage:20,5,main] java.io.IOError: java.io.IOException: unable to mkdirs /var/lib/cassandra/data/lolog_tests/snapshots/1338680486666-Logs_by_app at org.apache.cassandra.db.ColumnFamilyStore.snapshotWithoutFlush(ColumnFamilyStore.java:1433) at org.apache.cassandra.db.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1462) at org.apache.cassandra.db.ColumnFamilyStore.truncate(ColumnFamilyStore.java:1657) at org.apache.cassandra.db.TruncateVerbHandler.doVerb(TruncateVerbHandler.java:50) ------------------------------------------------------------ system-cassandra-1.1.0.log ------------------------------------------------------------ ERROR [MutationStage:1] 2012-06-02 20:45:15,609 AbstractCassandraDaemon.java (line 134) Exception in thread Thread[MutationStage:1,5,main] java.io.IOError: java.io.IOException: Unable to create directory /var/lib/cassandra/data/lolog_tests/Logs_by_app/snapshots/1338680715606-Logs_by_app at org.apache.cassandra.db.Directories.getOrCreate(Directories.java:384) at org.apache.cassandra.db.Directories.getSnapshotDirectory(Directories.java:186) at org.apache.cassandra.db.ColumnFamilyStore.snapshotWithoutFlush(ColumnFamilyStore.java:1440) at org.apache.cassandra.db.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1483) ERROR [MutationStage:9] 2012-06-02 20:45:30,728 AbstractCassandraDaemon.java (line 134) Exception in thread Thread[MutationStage:9,5,main] java.io.IOError: java.io.IOException: Unable to create directory /var/lib/cassandra/data/lolog_tests/Logs_by_app/snapshots/1338680730727-Logs_by_app at org.apache.cassandra.db.Directories.getOrCreate(Directories.java:384) at org.apache.cassandra.db.Directories.getSnapshotDirectory(Directories.java:186) at org.apache.cassandra.db.ColumnFamilyStore.snapshotWithoutFlush(ColumnFamilyStore.java:1440) at org.apache.cassandra.db.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1483) ERROR [MutationStage:17] 2012-06-02 20:45:31,967 AbstractCassandraDaemon.java (line 134) Exception in thread Thread[MutationStage:17,5,main] java.io.IOError: java.io.IOException: Unable to create directory /var/lib/cassandra/data/lolog_tests/Logs_by_app/snapshots/1338680731966-Logs_by_app at org.apache.cassandra.db.Directories.getOrCreate(Directories.java:384) at org.apache.cassandra.db.Directories.getSnapshotDirectory(Directories.java:186) at org.apache.cassandra.db.ColumnFamilyStore.snapshotWithoutFlush(ColumnFamilyStore.java:1440) at org.apache.cassandra.db.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1483) ------------------------------------------------------------ system-cassandra-1.1.1-SNAPSHOT.log ------------------------------------------------------------ ERROR [MutationStage:4] 2012-06-02 22:19:55,821 AbstractCassandraDaemon.java (line 134) Exception in thread Thread[MutationStage:4,5,main] java.io.IOError: java.io.IOException: Unable to create directory /var/lib/cassandra/data/lolog_tests/Logs_by_app/snapshots/1338686395804-Logs_by_app at org.apache.cassandra.db.Directories.getOrCreate(Directories.java:386) at org.apache.cassandra.db.Directories.getSnapshotDirectory(Directories.java:173) at org.apache.cassandra.db.ColumnFamilyStore.snapshotWithoutFlush(ColumnFamilyStore.java:1488) at org.apache.cassandra.db.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1540) ERROR [MutationStage:9] 2012-06-02 22:20:07,892 AbstractCassandraDaemon.java (line 134) Exception in thread Thread[MutationStage:9,5,main] java.io.IOError: java.io.IOException: Unable to create directory /var/lib/cassandra/data/lolog_tests/Logs_by_app/snapshots/1338686407891-Logs_by_app at org.apache.cassandra.db.Directories.getOrCreate(Directories.java:386) at org.apache.cassandra.db.Directories.getSnapshotDirectory(Directories.java:173) at org.apache.cassandra.db.ColumnFamilyStore.snapshotWithoutFlush(ColumnFamilyStore.java:1488) at org.apache.cassandra.db.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1540) ------------------------------------------------------------ system-cassandra-1.2.0-SNAPSHOT.log ------------------------------------------------------------ ERROR [MutationStage:3] 2012-06-02 20:47:23,371 AbstractCassandraDaemon.java (line 133) Exception in thread Thread[MutationStage:3,5,main] java.io.IOError: java.io.IOException: Unable to create directory /var/lib/cassandra/data/lolog_tests/Logs_by_app/snapshots/1338680843363-Logs_by_app at org.apache.cassandra.db.Directories.getOrCreate(Directories.java:386) at org.apache.cassandra.db.Directories.getSnapshotDirectory(Directories.java:173) at org.apache.cassandra.db.ColumnFamilyStore.snapshotWithoutFlush(ColumnFamilyStore.java:1472) at org.apache.cassandra.db.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1524) ERROR [MutationStage:20] 2012-06-02 20:47:40,361 CLibrary.java (line 191) Unable to create hard link java.io.IOException: Exception while executing the command: ln /var/lib/cassandra/data/lolog_tests/Logs_by_app/lolog_tests-Logs_by_app-ia-3-Summary.db /var/lib/cassandra/data/lolog_tests/Logs_by_app/snapshots/1338680860345-Logs_by_app/lolog_tests-Logs_by_app-ia-3-Summary.db, command error Code: 1, command output: ln: failed to create hard link `/var/lib/cassandra/data/lolog_tests/Logs_by_app/snapshots/1338680860345-Logs_by_app/lolog_tests-Logs_by_app-ia-3-Summary.db': File exists at org.apache.cassandra.utils.FBUtilities.exec(FBUtilities.java:561) at org.apache.cassandra.utils.CLibrary.createHardLinkWithExec(CLibrary.java:187) at org.apache.cassandra.utils.CLibrary.createHardLink(CLibrary.java:150) ERROR [MutationStage:20] 2012-06-02 20:47:40,364 AbstractCassandraDaemon.java (line 133) Exception in thread Thread[MutationStage:20,5,main] java.io.IOError: java.io.IOException: Exception while executing the command: ln /var/lib/cassandra/data/lolog_tests/Logs_by_app/lolog_tests-Logs_by_app-ia-3-Summary.db /var/lib/cassandra/data/lolog_tests/Logs_by_app/snapshots/1338680860345-Logs_by_app/lolog_tests-Logs_by_app-ia-3-Summary.db, command error Code: 1, command output: ln: failed to create hard link `/var/lib/cassandra/data/lolog_tests/Logs_by_app/snapshots/1338680860345-Logs_by_app/lolog_tests-Logs_by_app-ia-3-Summary.db': File exists at org.apache.cassandra.db.ColumnFamilyStore.snapshotWithoutFlush(ColumnFamilyStore.java:1486) at org.apache.cassandra.db.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1524) at org.apache.cassandra.db.ColumnFamilyStore.truncate(ColumnFamilyStore.java:1761) --f46d042dfc93b816f004c187b9e5 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
Hi! While using Cassandra, I've seen this log messages when runnin= g some test cases (which insert lots of columns in 4 rows).
I'= ;ve tryied Cassandra 1.0.10, 1.1.0, 1.1.1-SNAPSHOT and 1.2.0-SNAPSHOT (buil= t from git). I'm using the default configuration, Oracle=A0jdk 1.6.0_32= , Ubuntu 12.04 and pycassa.

Since I'm very new to Cassandra (I'm just start= ing to learn it) I don't know if=A0I'm doing something wrong, or ma= ybe=A0there are some bugs in the several versions of Cassandra I've tes= ted.

cassandra-1.0.10

=A0- IOException: u= nable to mkdirs

cassandra-1.1.0

=A0-=A0IOException:=A0Unable to create directory

= cassandra-1.1.1-SNAPSHOT

=A0- IOException: Unable to create directory
=
cassandra-1.2.0-SNAPSHOT

=A0- IOExc= eption: Unable to create directory

=A0-=A0CLibrary= .java (line 191) Unable to create hard link (...)=A0
=A0 =A0 =A0 command output: ln: failed to create hard link `(...)= /lolog_tests-Logs_by_app-ia-3-Summary.db': File exists



Thanks in advance!
Horacio=


-----------------------------------= -------------------------
system-cassandra-1.0.10.log
-= -----------------------------------------------------------

ERROR [MutationStage:1] 2012-06-02 20:37:41,115 AbstractCassandr= aDaemon.java (line 139) Fatal exception in thread Thread[MutationStage:1,5,= main]
java.io.IOError: java.io.IOException: unable to mkdirs /var/lib/cassan= dra/data/lolog_tests/snapshots/1338680261112-Logs_by_app
at org.apache.cassandra.db.ColumnFamil= yStore.snapshotWithoutFlush(ColumnFamilyStore.java:1433)
at org.apache.cassandra.d= b.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1462)
at org.apache.cassandra.db.ColumnFami= lyStore.truncate(ColumnFamilyStore.java:1657)
at org.apache.cassandra.d= b.TruncateVerbHandler.doVerb(TruncateVerbHandler.java:50)

ERROR [MutationStage:11] 2012-06-02 20:37:55,730 AbstractCassandraD= aemon.java (line 139) Fatal exception in thread Thread[MutationStage:11,5,m= ain]
java.io.IOError: java.io.IOException: unable to mkdirs /var/lib/cassan= dra/data/lolog_tests/snapshots/1338680275729-Logs_by_app
at org.apache.cassandra.db.ColumnFamil= yStore.snapshotWithoutFlush(ColumnFamilyStore.java:1433)
at org.apache.cassandra.d= b.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1462)
at org.apache.cassandra.db.ColumnFami= lyStore.truncate(ColumnFamilyStore.java:1657)
at org.apache.cassandra.d= b.TruncateVerbHandler.doVerb(TruncateVerbHandler.java:50)

ERROR [MutationStage:19] 2012-06-02 20:37:57,395 AbstractCassandraD= aemon.java (line 139) Fatal exception in thread Thread[MutationStage:19,5,m= ain]
java.io.IOError: java.io.IOException: unable to mkdirs /var/lib/cassan= dra/data/lolog_tests/snapshots/1338680277394-Logs_by_app
at org.apache.cassandra.db.ColumnFamil= yStore.snapshotWithoutFlush(ColumnFamilyStore.java:1433)
at org.apache.cassandra.d= b.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1462)
at org.apache.cassandra.db.ColumnFami= lyStore.truncate(ColumnFamilyStore.java:1657)
at org.apache.cassandra.d= b.TruncateVerbHandler.doVerb(TruncateVerbHandler.java:50)

ERROR [MutationStage:20] 2012-06-02 20:41:26,666 AbstractCassandraD= aemon.java (line 139) Fatal exception in thread Thread[MutationStage:20,5,m= ain]
java.io.IOError: java.io.IOException: unable to mkdirs /var/lib/cassan= dra/data/lolog_tests/snapshots/1338680486666-Logs_by_app
at org.apache.cassandra.db.ColumnFamil= yStore.snapshotWithoutFlush(ColumnFamilyStore.java:1433)
at org.apache.cassandra.d= b.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1462)
at org.apache.cassandra.db.ColumnFami= lyStore.truncate(ColumnFamilyStore.java:1657)
at org.apache.cassandra.d= b.TruncateVerbHandler.doVerb(TruncateVerbHandler.java:50)

------------------------------------------------------------
system-cassandra-1.1.0.log
---------------------------------= ---------------------------

ERROR [MutationStage:1= ] 2012-06-02 20:45:15,609 AbstractCassandraDaemon.java (line 134) Exception= in thread Thread[MutationStage:1,5,main]
java.io.IOError: java.io.IOException: Unable to create directory /var/= lib/cassandra/data/lolog_tests/Logs_by_app/snapshots/1338680715606-Logs_by_= app
at org.apache.ca= ssandra.db.Directories.getOrCreate(Directories.java:384)
at org.apache.cassandra.d= b.Directories.getSnapshotDirectory(Directories.java:186)
at org.apache.cassandra.db.ColumnFamil= yStore.snapshotWithoutFlush(ColumnFamilyStore.java:1440)
at org.apache.cassandra.d= b.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1483)


ERROR [MutationStage:9] 2012-06-02 20:45:30,728 Abst= ractCassandraDaemon.java (line 134) Exception in thread Thread[MutationStag= e:9,5,main]
java.io.IOError: java.io.IOException: Unable to create directory /var/= lib/cassandra/data/lolog_tests/Logs_by_app/snapshots/1338680730727-Logs_by_= app
at org.apache.ca= ssandra.db.Directories.getOrCreate(Directories.java:384)
at org.apache.cassandra.d= b.Directories.getSnapshotDirectory(Directories.java:186)
at org.apache.cassandra.db.ColumnFamil= yStore.snapshotWithoutFlush(ColumnFamilyStore.java:1440)
at org.apache.cassandra.d= b.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1483)


ERROR [MutationStage:17] 2012-06-02 20:45:31,967 Abs= tractCassandraDaemon.java (line 134) Exception in thread Thread[MutationSta= ge:17,5,main]
java.io.IOError: java.io.IOException: Unable to create directory /var/= lib/cassandra/data/lolog_tests/Logs_by_app/snapshots/1338680731966-Logs_by_= app
at org.apache.ca= ssandra.db.Directories.getOrCreate(Directories.java:384)
at org.apache.cassandra.d= b.Directories.getSnapshotDirectory(Directories.java:186)
at org.apache.cassandra.db.ColumnFamil= yStore.snapshotWithoutFlush(ColumnFamilyStore.java:1440)
at org.apache.cassandra.d= b.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1483)

------------------------------------------------------------
system-cassandra-1.1.1-SNAPSHOT.log
------------------------= ------------------------------------

ERROR [Mutati= onStage:4] 2012-06-02 22:19:55,821 AbstractCassandraDaemon.java (line 134) = Exception in thread Thread[MutationStage:4,5,main]
java.io.IOError: java.io.IOException: Unable to create directory /var/= lib/cassandra/data/lolog_tests/Logs_by_app/snapshots/1338686395804-Logs_by_= app
at org.apache.ca= ssandra.db.Directories.getOrCreate(Directories.java:386)
at org.apache.cassandra.d= b.Directories.getSnapshotDirectory(Directories.java:173)
at org.apache.cassandra.db.ColumnFamil= yStore.snapshotWithoutFlush(ColumnFamilyStore.java:1488)
at org.apache.cassandra.d= b.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1540)

ERROR [MutationStage:9] 2012-06-02 22:20:07,892 AbstractCassandraDa= emon.java (line 134) Exception in thread Thread[MutationStage:9,5,main]
java.io.IOError: java.io.IOException: Unable to create directory /var/= lib/cassandra/data/lolog_tests/Logs_by_app/snapshots/1338686407891-Logs_by_= app
at org.apache.ca= ssandra.db.Directories.getOrCreate(Directories.java:386)
at org.apache.cassandra.d= b.Directories.getSnapshotDirectory(Directories.java:173)
at org.apache.cassandra.db.ColumnFamil= yStore.snapshotWithoutFlush(ColumnFamilyStore.java:1488)
at org.apache.cassandra.d= b.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1540)

------------------------------------------------------------
system-cassandra-1.2.0-SNAPSHOT.log
------------------------= ------------------------------------

ERROR [Mutati= onStage:3] 2012-06-02 20:47:23,371 AbstractCassandraDaemon.java (line 133) = Exception in thread Thread[MutationStage:3,5,main]
java.io.IOError: java.io.IOException: Unable to create directory /var/= lib/cassandra/data/lolog_tests/Logs_by_app/snapshots/1338680843363-Logs_by_= app
at org.apache.ca= ssandra.db.Directories.getOrCreate(Directories.java:386)
at org.apache.cassandra.d= b.Directories.getSnapshotDirectory(Directories.java:173)
at org.apache.cassandra.db.ColumnFamil= yStore.snapshotWithoutFlush(ColumnFamilyStore.java:1472)
at org.apache.cassandra.d= b.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1524)

ERROR [MutationStage:20] 2012-06-02 20:47:40,361 CLibrary.java (lin= e 191) Unable to create hard link
java.io.IOException: Exception while executing the command: ln /var/li= b/cassandra/data/lolog_tests/Logs_by_app/lolog_tests-Logs_by_app-ia-3-Summa= ry.db /var/lib/cassandra/data/lolog_tests/Logs_by_app/snapshots/13386808603= 45-Logs_by_app/lolog_tests-Logs_by_app-ia-3-Summary.db, command error Code:= 1, command output: ln: failed to create hard link `/var/lib/cassandra/data= /lolog_tests/Logs_by_app/snapshots/1338680860345-Logs_by_app/lolog_tests-Lo= gs_by_app-ia-3-Summary.db': File exists

at org.apa= che.cassandra.utils.FBUtilities.exec(FBUtilities.java:561)
at org.apache.cassandra.utils.CLibra= ry.createHardLinkWithExec(CLibrary.java:187)
at org.apache.cassandra.u= tils.CLibrary.createHardLink(CLibrary.java:150)

ER= ROR [MutationStage:20] 2012-06-02 20:47:40,364 AbstractCassandraDaemon.java= (line 133) Exception in thread Thread[MutationStage:20,5,main]
java.io.IOError: java.io.IOException: Exception while executing the co= mmand: ln /var/lib/cassandra/data/lolog_tests/Logs_by_app/lolog_tests-Logs_= by_app-ia-3-Summary.db /var/lib/cassandra/data/lolog_tests/Logs_by_app/snap= shots/1338680860345-Logs_by_app/lolog_tests-Logs_by_app-ia-3-Summary.db, co= mmand error Code: 1, command output: ln: failed to create hard link `/var/l= ib/cassandra/data/lolog_tests/Logs_by_app/snapshots/1338680860345-Logs_by_a= pp/lolog_tests-Logs_by_app-ia-3-Summary.db': File exists

at org.apa= che.cassandra.db.ColumnFamilyStore.snapshotWithoutFlush(ColumnFamilyStore.j= ava:1486)
at org.apa= che.cassandra.db.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1524)
at org.apache.cassandra.d= b.ColumnFamilyStore.truncate(ColumnFamilyStore.java:1761)
<= br>


--f46d042dfc93b816f004c187b9e5--