04/27/2015 09:26:01 PM - WEATHERMAP:Poller[0] WARNING: Required modules for PHP Weathermap 0.97c were not present.Not running. [WMPOLL08]

run check.php to check PHP requirements.

04/27/2015 09:26:01 PM - WEATHERMAP:Poller[0] WARNING:

No image (gd) extension is loaded. This isrequired by weathermap. [WMWARN20]

04/27/2015 09:26:01 PM - WEATHERMAP:Poller[0] WARNING:

04/27/2015 09:26:01 PM - WEATHERMAP:Poller[0] Weathermap 0.97c starting - Normal logging mode. Turn on DEBUG inCacti for more information

解决：

yum install php-gd*

​​RPM resource php-gd​​