undefined symbol: php_json_decode

The full error message is:

PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php5/20100525/couchbase.so' - /usr/lib/php5/20100525/couchbase.so: undefined symbol: php_json_decode in Unknown on line 0
PHP Fatal error:  Class 'Couchbase' not found in /var/www/testcb.php on line 2

Basically I am getting the same error presented here.

The system I try getting the php sdk to work on is Ubuntu 10.04.4 with php 5.4.15 (I've also added the phpinfo() at the end of the question).

I tried installing the couchbase php library in a number of ways, while getting the same error, including the following:
- installing with pecl install as the tutorial suggested
- installing manually, as suggested in the post reply
- trying fixes adapted from issues resolved for previous couchbase versions (PCBC-112, PCBC-225) like: putting the extension in a different .ini file, adding the line with json.so before couchbase.so and combinations of those solutions.

Thank you for your time and understanding.

PHP Logo
PHP Version 5.4.15-1~lucid+1
 
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ZLib Support	enabled
Stream Wrapper 	compress.zlib://
Stream Filter 	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
 
Environment
Variable	Value
PATH 	/sbin:/bin:/usr/sbin:/usr/bin
SHELL 	/bin/bash
USER 	root
PHP_FCGI_CHILDREN 	20
PHP_FCGI_MAX_REQUESTS 	10000
 
PHP Variables
Variable	Value
_SERVER["PATH"]	/sbin:/bin:/usr/sbin:/usr/bin
_SERVER["SHELL"]	/bin/bash
_SERVER["USER"]	root
_SERVER["PHP_FCGI_CHILDREN"]	20
_SERVER["PHP_FCGI_MAX_REQUESTS"]	10000
_SERVER["HTTP_CACHE_CONTROL"]	max-age=0
_SERVER["HTTP_CONNECTION"]	keep-alive
_SERVER["HTTP_DNT"]	1
_SERVER["HTTP_ACCEPT_ENCODING"]	gzip, deflate
_SERVER["HTTP_ACCEPT_LANGUAGE"]	en-US,en;q=0.5
_SERVER["HTTP_ACCEPT"]	text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
_SERVER["HTTP_USER_AGENT"]	Mozilla/5.0 (Windows NT 5.1; rv:21.0) Gecko/20100101 Firefox/21.0
_SERVER["HTTP_HOST"]	166.78.189.119
_SERVER["SERVER_PROTOCOL"]	HTTP/1.1
_SERVER["REDIRECT_STATUS"]	200
_SERVER["REQUEST_METHOD"]	GET
_SERVER["QUERY_STRING"]	no value
_SERVER["REDIRECT_URI"]	/index.php
_SERVER["REQUEST_URI"]	/
_SERVER["DOCUMENT_ROOT"]	/var/www/httpdocs/
_SERVER["SCRIPT_FILENAME"]	/var/www/httpdocs/index.php
_SERVER["PATH_INFO"]	no value
_SERVER["SCRIPT_NAME"]	/index.php
_SERVER["REMOTE_ADDR"]	79.112.134.28
_SERVER["REMOTE_PORT"]	3767
_SERVER["SERVER_ADDR"]	166.78.189.119
_SERVER["SERVER_PORT"]	80
_SERVER["GATEWAY_INTERFACE"]	CGI/1.1
_SERVER["SERVER_NAME"]	166.78.189.119
_SERVER["SERVER_SOFTWARE"]	lighttpd/1.4.26
_SERVER["FCGI_ROLE"]	RESPONDER
_SERVER["PHP_SELF"]	/index.php
_SERVER["REQUEST_TIME_FLOAT"]	1372427553.3131
_SERVER["REQUEST_TIME"]	1372427553

Can you tell us what messages you get if you have just the json.so extension listed and what messages you get if you have that directly before the couchbase.so? Also, try extension= without the path, since PHP 5.4 will search extension paths.

First of all thank you for the answer.


Can you tell us what messages you get if you have just the json.so extension
listed and what messages you get if you have that directly before the
couchbase.so?

I have tried this and get the same error with php_json_decode and along with it this one:

PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php5/20100525/json.so' - /usr/lib/php5/20100525/json.so: cannot open shared object file: No such file or directory in Unknown on line 0

Also, the phpinfo() from the first post shows json is enabled:

json
json support 	enabled
json version 	1.2.1 


Also, try extension= without the path, since PHP 5.4 will
search extension paths.

I have tried it and get the same error.

Thanks again for the answer and any other suggestions are welcome.

I don't have a clear reply yet, but what finally fixed the issue was upgrading the PHP to version 5.4.17.

1 Answer

« Back to question.

Upgrading to the last PHP version solved this dependency error.