[webizen]

2012-04-06 15:21:56.737 [INFO] [CONNECTION_IP:52234-0#APVH_DOMAIN.GOES.HERE:lsapi] connection to [/tmp/lshttpd/APVH_alohawork.DOMAIN.GOES.HERE_Suphp.sock] on request #0, confirmed, 1, associated process: 5644, running: 0, error: Connection reset by peer!
2012-04-06 15:21:56.738 [DEBUG] [CONNECTION_IP:52234-0#APVH_DOMAIN.GOES.HERE:lsapi] [ExtConn] close()
2012-04-06 15:21:56.738 [DEBUG] [uds://tmp/lshttpd/APVH_alohawork.DOMAIN.GOES.HERE_Suphp.sock] No Request has been processed successfully through this connection, the maximum connections allowed will be reduced!
2012-04-06 15:21:56.738 [DEBUG] [CONNECTION_IP:52234-0#APVH_DOMAIN.GOES.HERE:lsapi] HttpExtConnector::tryRecover()...
2012-04-06 15:21:56.738 [NOTICE] [CONNECTION_IP:52234-0#APVH_DOMAIN.GOES.HERE:lsapi] Max retries has been reached, 503!
2012-04-06 15:21:56.738 [DEBUG] [CONNECTION_IP:52234-0#APVH_DOMAIN.GOES.HERE:lsapi] HttpIOLink::continueWrite()...
2012-04-06 15:21:56.738 [DEBUG] [CONNECTION_IP:52234-0#APVH_DOMAIN.GOES.HERE:lsapi] write resumed!

503 error is due to PHP failed/crashed. Run the php script in question manually and see any errors. Also check stderr.log.