Use of uninitialized value

[discostur]

Hi,

i'm getting the following error if i try tu run any of the mysql-plugins:

Use of uninitialized value in subroutine entry at /etc/munin/plugins/mysql_slow line 1105.
Can't use string ("") as a subroutine ref while "strict refs" in use at /etc/munin/plugins/mysql_slow line 1105.

Changing the corresponding line from

$section_map{$sec}->();

to

$section_map{$sec}->() if(defined($section_map{$sec}));

fixed it temporarily for me.

Greets
Kilian

[discostur]

Found another error:

munin-run mysql_innodb_bpool
Use of uninitialized value in printf at /etc/munin/plugins/mysql_innodb_bpool line 885.
ib_bpool_size.value 
Use of uninitialized value in printf at /etc/munin/plugins/mysql_innodb_bpool line 885.
ib_bpool_dbpages.value 
Use of uninitialized value in printf at /etc/munin/plugins/mysql_innodb_bpool line 885.
ib_bpool_free.value 
Use of uninitialized value in printf at /etc/munin/plugins/mysql_innodb_bpool line 885.
ib_bpool_modpages.value 

[michael-stevens]

Hi,
I'm also seeing this problem. Wondering if it's related to the fact I'm running mariadb?

[szepeviktor]

Maybe your SHOW ENGINE INNODB STATUS does not output this line:

munin-mysql/mysql

Line 884 in c01c7d3

m/\GBuffer pool size\s+(\d+)\n/gc && do {

[michael-stevens]

I do have that line, a number of times.

[michael-stevens]

I tried the hack mentioned above, and I now get:

Output from SHOW ENGINE INNDOB STATUS was truncated. This happens if the output of SEIS exceeds 64KB. Several of the InnoDB graphs might be affected by this. at /etc/munin/plugins/mysql_qcache line 1288.

[szepeviktor]

https://github.com/kjellm/munin-mysql/pull/50/files