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Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Posted by: Uros Djokic
Date: December 03, 2009 09:16AM

I had the same problem on my Ubuntu server.
Solution was to disable apparmour because it loads mysqld peofile in enforcing mode and is blocking sending packets back to jdbc driver wrongly thinking it is vulnerability! You can try to put mysqld in complain mode in apparmour. with aa-complain and then type mysqld.

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com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
ma haibo
March 03, 2008 09:08PM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
ma haibo
March 04, 2008 03:55AM
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
adul adul
February 25, 2009 07:17AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Gordon Haywood
March 04, 2008 05:54PM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
ma haibo
March 04, 2008 07:47PM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsExceptio n: Communications link failure
aaaa bbb
July 07, 2010 08:33AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Gordon Haywood
March 05, 2008 01:56AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
paul d
March 05, 2008 08:32AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Peter Wolf
March 20, 2008 09:04AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Penny Koroptvatch
March 30, 2008 04:29PM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Sultan Tezadov
April 06, 2008 12:09AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsExceptio n: Communications link failure
Bubba Gump
April 07, 2008 09:38PM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsExceptio n: Communications link failure
aaaa bbb
July 07, 2010 08:33AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Lukasz Kwiatkowski
April 11, 2008 01:54AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Lin klinmy
July 19, 2008 01:29AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Anurag Patil
August 03, 2009 07:11AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
venkataramana challa
March 04, 2009 12:40AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Andrew Sargison
March 10, 2009 04:09PM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsExceptio n: Communications link failure
Andrew Sargison
March 12, 2009 05:11AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
S KR
May 06, 2009 12:30AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Anurag Patil
August 03, 2009 07:09AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Ar 3,14
September 18, 2009 10:48AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsExceptio n: Communications link failure
Prasanna Pilla
November 14, 2009 12:07PM
com.mysql.jdbc.exceptions.MySQLSyntaxErrorException
Abu Jafar
November 17, 2009 11:09PM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
aaaa bbb
July 07, 2010 08:43AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Uros Djokic
December 03, 2009 09:16AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Peter Sun
January 15, 2010 08:17PM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsExceptio n: Communications link failure
Felix Glez
February 09, 2010 03:16AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsExceptio n: Communications link failure
Joan Manuel
August 23, 2010 11:58AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Jonathan Stuart
March 16, 2010 05:13AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Andreas T.
April 26, 2010 07:39AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsExceptio n: Communications link failure
James Peters
May 22, 2010 09:12PM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsExcept ion: Communications link failure
myriam leggieri
June 16, 2010 03:43AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsExce ption: Communications link failure
myriam leggieri
June 16, 2010 08:24AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
aaaa bbb
July 07, 2010 08:32AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Double Dragon
June 02, 2010 06:01AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
jack fergussen
July 08, 2010 08:14AM
Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
V C
October 06, 2010 08:34AM


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