Support

Akeeba Backup for Joomla!

#11532 Unable to install Akeeba backup

Posted in ‘Akeeba Backup for Joomla! 4 & 5’
This is a public ticket

Everybody will be able to see its contents. Do not include usernames, passwords or any other sensitive information.

Environment Information

Joomla! version
n/a
PHP version
n/a
Akeeba Backup version
n/a

Latest post by nicholas on Monday, 19 March 2012 12:58 CDT

user38775
Mandatory information about my setup:

Have I read the related troubleshooter articles above before posting (which pages?)? No
Have I searched the tickets before posting? No
Have I read the documentation before posting (which pages?)? No
Joomla! version: (unknown)
PHP version: (unknown)
MySQL version: (unknown)
Host: (optional, but it helps us help you)
Akeeba Backup version: (unknown)

EXTREMELY IMPORTANT: Please attach a ZIP file containing your Akeeba Backup log file in order for us to help you with any backup or restoration issue. If the file is over 2Mb, please upload it on your server and post a link to it.

Description of my issue:

user38775
Currently we are on Akeeba backup 3.3.13 core. We have tried to upgrade to Akeeba backup 3.4.1 or 3.4.2 . I found a post on this site that suggests installing Akeeba Backup twice if we going from a core to professional version. I was to upgrade Akeeba backup 3.3.13 core to 3.4.2 on my PC. My PC has xampp 1.7.3 installed.

nicholas
Akeeba Staff
Manager
Any error messages or other clues which might help me help you? "Can't install" can mean different things to different people. What happens? Blank page? Error message? If so, which error message? Exact Joomla! version? Operating system?

Nicholas K. Dionysopoulos

Lead Developer and Director

🇬🇷Greek: native 🇬🇧English: excellent 🇫🇷French: basic • 🕐 My time zone is Europe / Athens
Please keep in mind my timezone and cultural differences when reading my replies. Thank you!

user38775
I am enclosing our system info and the Akeeba backup log. Since I am out of the office tomorrow, I will search the web for a solution Wednesday. Also I will try a manual install of Akeeba backup Wednesday.


Linux morty 2.6.32-33-server #72-Ubuntu SMP Fri Jul 29 21:21:55 UTC 2011 x86_64
Database Version 5.1.41-3ubuntu12.10
Database Collation utf8_general_ci
PHP Version 5.3.5-1ubuntu7.2ppa1~lucid
Web Server lighttpd/1.4.26
WebServer to PHP Interface fpm-fcgi
Joomla! Version Joomla! 2.5.2 Stable [ Ember ] 5-March-2012 14:00 GMT
Joomla! Platform Version Joomla Platform 11.4.0 Stable [ Brian Kernighan ] 03-Jan-2012 00:00 GMT
User Agent Mozilla/5.0 (Windows NT 5.1; rv:10.0.2) Gecko/20100101 Firefox/10.0.2

Safe Mode Off
Open basedir None
Display Errors Off
Short Open Tags On
File Uploads On
Magic Quotes Off
Register Globals Off
Output Buffering On
Session Save Path /tmp/php/
Session Auto Start 0
XML Enabled Yes
Zlib Enabled Yes
Native ZIP Enabled Yes
Disabled Functions None
Mbstring Enabled Yes
Iconv Available Yes

PHP Version 5.3.5-1ubuntu7.2ppa1~lucid

System Linux morty 2.6.32-33-server #72-Ubuntu SMP Fri Jul 29 21:21:55 UTC 2011 x86_64
Build Date May 7 2011 03:19:57
Server API FPM/FastCGI
Virtual Directory Support disabled
Configuration File (php.ini) Path /etc/php5/fpm
Loaded Configuration File /etc/php5/fpm/php.ini
Scan this dir for additional .ini files /etc/php5/fpm/conf.d
Additional .ini files parsed /etc/php5/fpm/conf.d/apc.ini, /etc/php5/fpm/conf.d/memcached.ini, /etc/php5/fpm/conf.d/mysql.ini, /etc/php5/fpm/conf.d/mysqli.ini, /etc/php5/fpm/conf.d/pdo.ini, /etc/php5/fpm/conf.d/pdo_mysql.ini, /etc/php5/fpm/conf.d/suhosin.ini
PHP API 20090626
PHP Extension 20090626
Zend Extension 220090626
Zend Extension Build API220090626, NTS
PHP Extension Build API20090626, NTS
Debug Build no
Thread Safety disabled
Zend Memory Manager enabled
Zend Multibyte Support disabled
IPv6 Support enabled
Registered PHP Streams https, ftps, compress.zlib, compress.bzip2, php, file, glob, data, http, ftp, zip, phar
Registered Stream Socket Transports tcp, udp, unix, udg, ssl, sslv3, sslv2, tls
Registered Stream Filters zlib.*, bzip2.*, convert.iconv.*, string.rot13, string.toupper, string.tolower, string.strip_tags, convert.*, consumed, dechunk

This server is protected with the Suhosin Patch 0.9.10
Copyright (c) 2006-2007 Hardened-PHP Project Copyright (c) 2007-2009 SektionEins GmbH

This program makes use of the Zend Scripting Language Engine:
Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies
with Suhosin v0.9.29, Copyright (c) 2007, by SektionEins GmbH

Configuration
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APC Support enabled
Version 3.1.3p1
MMAP Support Enabled
MMAP File Mask /dev/zero
Locking type pthread mutex Locks
Revision $Revision: 286798 $
Build Date Apr 18 2010 06:56:17

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apc.file_update_protection 2 2
apc.filters apc\.php$ apc\.php$
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apc.lazy_functions Off Off
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php-fpm active

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DOM/XML enabled
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ereg
Regex Library Bundled library enabled

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EXIF Support enabled
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fileinfo
fileinfo support enabled
version 1.0.5-dev

filter
Input Validation and Filtering enabled
Revision $Revision: 298196 $

Directive Local Value Master Value
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filter.default_flags no value no value

ftp
FTP support enabled

gettext
GetText Support enabled

hash
hash support enabled
Hashing Engines md2 md4 md5 sha1 sha224 sha256 sha384 sha512 ripemd128 ripemd160 ripemd256 ripemd320 whirlpool tiger128, 3 tiger160, 3 tiger192, 3 tiger128, 4 tiger160, 4 tiger192, 4 snefru snefru256 gost adler32 crc32 crc32b salsa10 salsa20 haval128, 3 haval160, 3 haval192, 3 haval224, 3 haval256, 3 haval128, 4 haval160, 4 haval192, 4 haval224, 4 haval256, 4 haval128, 5 haval160, 5 haval192, 5 haval224, 5 haval256, 5

iconv
iconv support enabled
iconv implementation glibc
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Directive Local Value Master Value
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json
json support enabled
json version 1.2.1

libxml
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libXML Compiled Version 2.7.6
libXML Loaded Version 20706
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mbstring
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Multibyte string engine libmbfl
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mbstring extension makes use of "streamable kanji code filter and converter", which is distributed under the GNU Lesser General Public License version 2.1.

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memcached
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Version 1.0.0
libmemcached version 0.31
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mhash
MHASH support Enabled
MHASH API Version Emulated Support

mysql
MySQL Support enabled
Active Persistent Links 0
Active Links 1
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MYSQL_MODULE_TYPE external
MYSQL_SOCKET /var/run/mysqld/mysqld.sock
MYSQL_INCLUDE -I/usr/include/mysql
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Directive Local Value Master Value
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mysql.allow_persistent On On
mysql.connect_timeout 60 60
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mysql.max_links Unlimited Unlimited
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mysql.trace_mode Off Off

mysqli
MysqlI Support enabled
Client API library version 5.1.41
Active Persistent Links 0
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Client API header version 5.1.41
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Directive Local Value Master Value
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mysqli.max_links Unlimited Unlimited
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mysqli.reconnect Off Off

openssl
OpenSSL support enabled
OpenSSL Library Version OpenSSL 0.9.8k 25 Mar 2009
OpenSSL Header Version OpenSSL 0.9.8k 25 Mar 2009

pcre
PCRE (Perl Compatible Regular Expressions) Support enabled
PCRE Library Version 7.8 2008-09-05

Directive Local Value Master Value
pcre.backtrack_limit 100000 100000
pcre.recursion_limit 100000 100000

PDO
PDO support enabled
PDO drivers mysql

pdo_mysql
PDO Driver for MySQL enabled
Client API version 5.1.41

Phar
Phar: PHP Archive support enabled
Phar EXT version 2.0.1
Phar API version 1.1.1
SVN revision $Revision: 305584 $
Phar-based phar archives enabled
Tar-based phar archives enabled
ZIP-based phar archives enabled
gzip compression enabled
bzip2 compression enabled
OpenSSL support enabled

Phar based on pear/PHP_Archive, original concept by Davey Shafik.
Phar fully realized by Gregory Beaver and Marcus Boerger.
Portions of tar implementation Copyright (c) 2003-2009 Tim Kientzle.

Directive Local Value Master Value
phar.cache_list no value no value
phar.readonly On On
phar.require_hash On On

posix
Revision $Revision: 305507 $

Reflection
Reflection enabled
Version $Revision: 305605 $

session
Session Support enabled
Registered save handlers files user memcached
Registered serializer handlers php php_binary wddx

Directive Local Value Master Value
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session.cache_expire 180 180
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session.serialize_handler php php
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shmop
shmop support enabled

SimpleXML
Simplexml support enabled
Revision $Revision: 302715 $
Schema support enabled

soap
Soap Client enabled
Soap Server enabled

Directive Local Value Master Value
soap.wsdl_cache 1 1
soap.wsdl_cache_dir /tmp /tmp
soap.wsdl_cache_enabled 1 1
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sockets
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SPL
SPL support enabled
Interfaces Countable, OuterIterator, RecursiveIterator, SeekableIterator, SplObserver, SplSubject
Classes AppendIterator, ArrayIterator, ArrayObject, BadFunctionCallException, BadMethodCallException, CachingIterator, DirectoryIterator, DomainException, EmptyIterator, FilesystemIterator, FilterIterator, GlobIterator, InfiniteIterator, InvalidArgumentException, IteratorIterator, LengthException, LimitIterator, LogicException, MultipleIterator, NoRewindIterator, OutOfBoundsException, OutOfRangeException, OverflowException, ParentIterator, RangeException, RecursiveArrayIterator, RecursiveCachingIterator, RecursiveDirectoryIterator, RecursiveFilterIterator, RecursiveIteratorIterator, RecursiveRegexIterator, RecursiveTreeIterator, RegexIterator, RuntimeException, SplDoublyLinkedList, SplFileInfo, SplFileObject, SplFixedArray, SplHeap, SplMinHeap, SplMaxHeap, SplObjectStorage, SplPriorityQueue, SplQueue, SplStack, SplTempFileObject, UnderflowException, UnexpectedValueException

standard
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Path to sendmail /usr/sbin/sendmail -t -i

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user_agent no value no value

suhosin
Suhosin logo This server is protected with the Suhosin Extension 0.9.29

Copyright (c) 2006-2007 Hardened-PHP Project
Copyright (c) 2007-2008 SektionEins GmbH

Directive Local Value Master Value
suhosin.apc_bug_workaround Off Off
suhosin.cookie.checkraddr 0 0
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suhosin.cookie.cryptkey [ protected ] [ protected ]
suhosin.cookie.cryptlist no value no value
suhosin.cookie.cryptraddr 0 0
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suhosin.cookie.max_array_depth 100 100
suhosin.cookie.max_array_index_length 64 64
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suhosin.cookie.max_totalname_length 256 256
suhosin.cookie.max_value_length 10000 10000
suhosin.cookie.max_vars 100 100
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suhosin.coredump Off Off
suhosin.disable.display_errors Off Off
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suhosin.perdir 0 0
suhosin.post.disallow_nul 1 1
suhosin.post.disallow_ws 0 0
suhosin.post.max_array_depth 100 100
suhosin.post.max_array_index_length 64 64
suhosin.post.max_name_length 64 64
suhosin.post.max_totalname_length 256 256
suhosin.post.max_value_length 65000 65000
suhosin.post.max_vars 200 200
suhosin.protectkey On On
suhosin.request.disallow_nul 1 1
suhosin.request.disallow_ws 0 0
suhosin.request.max_array_depth 100 100
suhosin.request.max_array_index_length 64 64
suhosin.request.max_totalname_length 256 256
suhosin.request.max_value_length 65000 65000
suhosin.request.max_varname_length 64 64
suhosin.request.max_vars 200 200
suhosin.server.encode On On
suhosin.server.strip On On
suhosin.session.checkraddr 0 0
suhosin.session.cryptdocroot On On
suhosin.session.cryptkey [ protected ] [ protected ]
suhosin.session.cryptraddr 0 0
suhosin.session.cryptua On On
suhosin.session.encrypt On On
suhosin.session.max_id_length 128 128
suhosin.simulation Off Off
suhosin.sql.bailout_on_error Off Off
suhosin.sql.comment 0 0
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suhosin.sql.opencomment 0 0
suhosin.sql.union 0 0
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suhosin.stealth On On
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suhosin.upload.disallow_elf 1 1
suhosin.upload.max_uploads 25 25
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suhosin.upload.verification_script no value no value

sysvmsg
sysvmsg support enabled
Revision $Revision: 303429 $

tokenizer
Tokenizer Support enabled

wddx
WDDX Support enabled
WDDX Session Serializer enabled

xml
XML Support active
XML Namespace Support active
libxml2 Version 2.7.6

xmlreader
XMLReader enabled

xmlwriter
XMLWriter enabled

zip
Zip enabled
Extension Version $Id: php_zip.c 305848 2010-11-30 11:04:06Z pajoye $
Zip version 1.9.1
Libzip version 0.9.0

zlib
ZLib Support enabled
Stream Wrapper support compress.zlib://
Stream Filter support zlib.inflate, zlib.deflate
Compiled Version 1.2.1.1
Linked Version 1.2.3.3

Directive Local Value Master Value
zlib.output_compression Off Off
zlib.output_compression_level -1 -1
zlib.output_handler no value no value

Additional Modules
Module Name
sysvsem
sysvshm

nicholas
Akeeba Staff
Manager
I don't see anything peculiar in the server configuration. But, do you get any errors? Remember, I am not in front of your computer. I have no idea what is going on. Without an error message, or any hint as to what you might see on the screen and lead you to state that you can not install Akeeba Backup, how can I help you? I am not a psychic. Please help me help you.

Nicholas K. Dionysopoulos

Lead Developer and Director

🇬🇷Greek: native 🇬🇧English: excellent 🇫🇷French: basic • 🕐 My time zone is Europe / Athens
Please keep in mind my timezone and cultural differences when reading my replies. Thank you!

user38775
We recently installed the php extension suhosin to harden php. I could upgrade Akeeba before this php extension was installed. I am working with our server unit to see if this can be uninstalled. I am enclosing a screen shot of immediately clicking the Upload and Install button. Please keep this ticket open so that I may post to it.

user38775
We recently installed the php extension suhosin to harden php. I could upgrade Akeeba before this php extension was installed. I am working with our server unit to see if this can be uninstalled. I am enclosing a screen shot of immediately clicking the Upload and Install button. Please keep this ticket open so that I may post to it.

nicholas
Akeeba Staff
Manager
Sorry, but this is a server setup issue. I can't really help you with it. All I can tell you is what I'd do if that was my own server. I would first look at the PHP upload temporary directory (is it writeable, does Suhosin allow writing to it), the maximum POST size (must be > 2Mb), the maximum uploaded file size (> 2Mb) and maybe Suhosin-specific options. It's a trial and error.

Nicholas K. Dionysopoulos

Lead Developer and Director

🇬🇷Greek: native 🇬🇧English: excellent 🇫🇷French: basic • 🕐 My time zone is Europe / Athens
Please keep in mind my timezone and cultural differences when reading my replies. Thank you!

user38775
I was able to upgrade to Akeeba Backup Pro 3.4.2 on a different site on the same server... It had the same Akeeba Backup Core 3.3.13 installed on it along with the same extension that the first site. Tomorrow I will try to install Akeeba Backup Pro 3.4.2 with debug turned on. Hopefully I will get some error messages.

nicholas
Akeeba Staff
Manager
If you try to upgrade with Debug Site turned on, the upgrade will fail. During the upgrade, we run a few SQL commands and check if they fail or not. Unfortunately, turning on the Debug Site feature will cause the otherwise catchable SQL errors to result in a Joomla! 500 error page and halt the installation. Do not use Debug Site when upgrading Akeeba Backup.

Nicholas K. Dionysopoulos

Lead Developer and Director

🇬🇷Greek: native 🇬🇧English: excellent 🇫🇷French: basic • 🕐 My time zone is Europe / Athens
Please keep in mind my timezone and cultural differences when reading my replies. Thank you!

user38775
My server staff sent me this "found the issue in the akeeba extension installer warning tab. It complained that max_post in php.ini takes precedence over max_upload. So I set that and it worked. Why it takes precedence and why it worked on the other 2 sites will remain a mystery"

Thank you for your help with this problem. Please close this problem.

nicholas
Akeeba Staff
Manager
I would close this ticket, but reading that reply by your server staff I got worried about their skills and, by extension, your site. If you don't mind, I'd like to give you some free advice. You are free to use it as you wish or ignore it.

First things first. There is no such thing as "akeeba extension installer". There is a Joomla! extensions installer. It's part of Joomla!. Maybe the fact that the page says Extensions Installer and the URL reads option=com_installer (and not option=com_akeeba) should have hinted your server staff to understand that it's a page of Joomla!, not Akeeba Backup. However, this is the least of my worries because all it means is that they are not very familiar with Joomla!. I am equally dumb when it comes to, say, Drupal, so no big worries here.

Now, something extremely concerning. Are you sure your server staff knows anything about managing servers? I seriously doubt their skills when I read things like "Why it takes precedence and why it worked on the other 2 sites will remain a mystery". It's anything but a mystery! As per the official PHP documentation page:
post_max_size integer

Sets max size of post data allowed. This setting also affects file upload. To upload large files, this value must be larger than upload_max_filesize. If memory limit is enabled by your configure script, memory_limit also affects file uploading. Generally speaking, memory_limit should be larger than post_max_size. When an integer is used, the value is measured in bytes. Shorthand notation, as described in this FAQ, may also be used. If the size of post data is greater than post_max_size, the $_POST and $_FILES superglobals are empty.

The emphasis is added by yours truly. This paragraph has been on the official PHP documentation at least since 2006 (I don't have older copies of the PHP manual, sorry, but I'm pretty sure it must have been there since 2003, maybe earlier). Have they checked if the other sites have a custom php.ini file in the administrator directory (the same directory as the index.php entry file of Joomla!'s backend)? Have they tried uploading large files on those other sites? This is server administration 101. I consider myself not exactly a hotshot (a nice way to say that I'm a little more than a newbie) when it comes to setting up servers, yet I know as much.

My suggestion: urgent education of your server staff.

Nicholas K. Dionysopoulos

Lead Developer and Director

🇬🇷Greek: native 🇬🇧English: excellent 🇫🇷French: basic • 🕐 My time zone is Europe / Athens
Please keep in mind my timezone and cultural differences when reading my replies. Thank you!

user38775
Thank you for your advice that you sent me earlier today. I have sent your email to my supervisor. Our server support staff just started supporting php about a year and half ago. They may not know everything that they should know about php and Joomla. They are learning as they go.

nicholas
Akeeba Staff
Manager
You're welcome!

Nicholas K. Dionysopoulos

Lead Developer and Director

🇬🇷Greek: native 🇬🇧English: excellent 🇫🇷French: basic • 🕐 My time zone is Europe / Athens
Please keep in mind my timezone and cultural differences when reading my replies. Thank you!

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