package mysql-server-5.5 5.5.22-0ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[prathap]

W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 2EA8F35793D8809A
W: Failed to fetch http://ppa.launchpad.net/ferramroberto/java/ubuntu/dists/precise/main/source/Sources 404 Not Found

W: Failed to fetch http://ppa.launchpad.net/ferramroberto/java/ubuntu/dists/precise/main/binary-i386/Packages 404 Not Found

E: Some index files failed to download. They have been ignored, or old ones used instead.

please help me...........................

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: mysql-server-5.5 5.5.22-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.39-generic 3.2.16
Uname: Linux 3.2.0-24-generic i686
NonfreeKernelModules: wl
ApportVersion: 2.0.1-0ubuntu8
AptOrdering:
 mysql-server-5.5: Configure
 mysql-server: Configure
Architecture: i386
Date: Thu Jun 7 13:27:19 2012
DpkgTerminalLog:
 Setting up mysql-server-5.5 (5.5.22-0ubuntu1) ...
 start: Job failed to start
 invoke-rc.d: initscript mysql, action "start" failed.
 dpkg: error processing mysql-server-5.5 (--configure):
  subprocess installed post-installation script returned error exit status 1
DuplicateSignature:
 Setting up mysql-server-5.5 (5.5.22-0ubuntu1) ...
 start: Job failed to start
 invoke-rc.d: initscript mysql, action "start" failed.
 dpkg: error processing mysql-server-5.5 (--configure):
  subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
Logs.var.log.daemon.log:

Logs.var.log.kern.log:
 Jun 3 14:06:58 prathap-X101H kernel: [ 141.654573] type=1400 audit(1338712618.088:34): apparmor="STATUS" operation="profile_replace" name="/usr/sbin/mysqld" pid=2244 comm="apparmor_parser"
 Jun 7 13:26:19 prathap-X101H kernel: [28942.486224] type=1400 audit(1339055779.632:25): apparmor="STATUS" operation="profile_replace" name="/usr/sbin/mysqld" pid=29224 comm="apparmor_parser"
 Jun 7 13:27:18 prathap-X101H kernel: [29001.398365] type=1400 audit(1339055838.545:26): apparmor="STATUS" operation="profile_replace" name="/usr/sbin/mysqld" pid=29469 comm="apparmor_parser"
MySQLConf.etc.mysql.conf.d.mysqld.safe.syslog.cnf:
 [mysqld_safe]
 syslog
MySQLConf.etc.mysql.my.cnf: Error: [Errno 2] No such file or directory: '/etc/mysql/my.cnf'
MySQLVarLibDirListing: ['mysql', 'ibdata1', 'ib_logfile0', 'debian-5.5.flag', 'test', 'performance_schema', 'ib_logfile1']
SourcePackage: mysql-5.5
Title: package mysql-server-5.5 5.5.22-0ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to precise on 2012-05-12 (26 days ago)

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #989353, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.