This API call provides an indication of the status of ExtraView.<\/p>\n
http:\/\/www.myserver.com\/evj\/ExtraView\/ev_api.action? The return from the server is XML, similar to the following:<\/p>\n \n\tIn the above, the section on task information is repeated for each configured task on the application server. The returned information includes:<\/p>\n \n\tThe return indicates not only that ExtraView is alive, but also it confirms that a database connection could be made, that the ExtraView servlet is running on the application server, and that the web server is running.<\/p>\n Note that the tag named <\/span>DB_DATETIME<\/span> <\/span>and its value provide the current timestamp of the database server. This can be useful to provide local client applications with the server time of the host ExtraView application.<\/p>\n The amount of free memory, the total memory and the amount of time the command took to execute are also returned.<\/p>\n This command can be placed in a script that is run at routine intervals to provide an indication of the health of the system. Not only can confirmation be made that the system is alive, but the time to execute the command is available<\/p>\n The optional This API call provides an indication of the status of ExtraView. SYNTAX http:\/\/www.myserver.com\/evj\/ExtraView\/ev_api.action? user_id=username &password=password OR [&access_token=token-value] &statevar=get_heartbeat [&tasks=yes] NOTES The return from the server is XML, similar to the following: <?xml version=”1.0″ encoding=”UTF-8″ ?> <EV_HEARTBEAT> <EV_STATUS>EXTRAVIEW ALIVE<\/EV_STATUS> <DB_STATUS>DB CONNECTION CONFIRMED<\/DB_STATUS> <DB_DATETIME>2003\/09\/11 11:33:22<\/DB_DATETIME> <FREE_MEMORY>197<\/FREE_MEMORY> <TOTAL_MEMORY>250<\/TOTAL_MEMORY> <HEARTBEAT_EXEC_TIME>330<\/HEARTBEAT_EXEC_TIME> <TASK_INFO TASK=task name>…<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":24223,"menu_order":37,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_lmt_disableupdate":"no","_lmt_disable":"","_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"class_list":["post-24247","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\n
\n\tuser_id=username
\n\t&password=password <\/span><\/span>OR <\/span>[&access_token=token-value]
\n\t&statevar=get_heartbeat
\n\t[&tasks=yes]<\/span><\/p>\n\n\tNOTES<\/h3>\n
\n\n
\n \n\t\t\t\t <?xml version=\"1.0\" encoding=\"UTF-8\" ?>
\n\t\t\t\t <EV_HEARTBEAT>
\n\t\t\t\t <EV_STATUS>EXTRAVIEW ALIVE<\/EV_STATUS>
\n\t\t\t\t <DB_STATUS>DB CONNECTION CONFIRMED<\/DB_STATUS>
\n\t\t\t\t <DB_DATETIME>2003\/09\/11 11:33:22<\/DB_DATETIME>
\n\t\t\t\t <FREE_MEMORY>197<\/FREE_MEMORY>
\n\t\t\t\t <TOTAL_MEMORY>250<\/TOTAL_MEMORY>
\n\t\t\t\t <HEARTBEAT_EXEC_TIME>330<\/HEARTBEAT_EXEC_TIME>
\n\t\t\t\t <TASK_INFO TASK=task name<\/em>>
\n\t\t\t\t <NODE_ID>node name<\/em><NODE_ID>
\n\t\t\t\t <START_OPTION>start option<\/em><\/START_OPTION>
\n\t\t\t\t <TASK_STATE>task state<\/em><\/TASK_STATE>
\n\t\t\t\t <POLL_INTERVAL>poll interval seconds<\/em><\/POLL_INTERVAL>
\n\t\t\t\t - [<THREAD_INFO>
\n\t\t\t\t <THREAD_STATE>thread state<\/em><\/THREAD_STATE>
\n\t\t\t\t <SECS_SINCE_EXECUTION>seconds since last execution<\/em>
\n\t\t\t\t [<PRIORITY>thread priority<\/em><\/PRIORITY> ]
\n\t\t\t\t <\/THREAD_INFO>]
\n\t\t\t\t <\/TASK_INFO>
\n\t\t\t\t <\/EV_HEARTBEAT><\/code><\/td>\n<\/tr>\n\n\t\t<\/tr>\n<\/tbody>\n<\/table>\n \n\n
\n \n\t\t\t\ttask name<\/td>\n \n\t\t\t\tname of the background task, e.g., SESSION_MONITOR, TASK_CONTROL_TASK, BATCHMAIL, etc.<\/td>\n<\/tr>\n \n \n\t\t\t\tnode name<\/td>\n \n\t\t\t\tname of the node hosting the evapi service<\/td>\n<\/tr>\n \n \n\t\t\t\tstart option<\/td>\n \n\t\t\t\tSTART_NOW, STOP_NOW, START_ON_BOOT, or none<\/td>\n<\/tr>\n \n \n\t\t\t\ttask state<\/td>\n \n\t\t\t\tSTARTED, STOPPED, or ERROR<\/td>\n<\/tr>\n \n \n\t\t\t\tpoll interval seconds<\/td>\n \n\t\t\t\tthe (minimum) number of seconds between polled executions<\/td>\n<\/tr>\n \n \n\t\t\t\tthread state<\/td>\n \n\t\t\t\trunning or stopped<\/td>\n<\/tr>\n \n \n\t\t\t\tseconds since last execution<\/td>\n \n\t\t\t\tnumber of seconds since the task was most recently scheduled to run<\/td>\n<\/tr>\n \n \n\t\t\t\tthread priority<\/td>\n \n\t\t\t\tthe priority of the thread ( using Java thread priority values) — may not appear in output<\/td>\n<\/tr>\n \n\t\t<\/tr>\n<\/tbody>\n<\/table>\n access_token<\/code> parameter allows you to use a valid OAuth2 token obtained with the get_token<\/code> command. If you provide the access_token<\/code> parameter, then the user_id<\/code> and password<\/code> parameters should not be provided. This prevents the password being sent in clear text over your network connection.<\/p>\n","protected":false},"excerpt":{"rendered":"