Page 'monitorplain'

It is possible to monitor Lobster_data and the communication services of the Lobster Integration Server with an external tool (e.g. Nagios).

For this purpose, a servlet or a Java Server Page (JSP) can be provided on request. If you are interested, please contact our support team.

In the simplest case, the JSP file is simply copied into the ./webapps/root directory. The site can then be accessed via HTTP with the following URL.

For server and port, the same values are used, as they are entered in the Lobster_data client.

Each HTTP request to monitorplain.jsp provides a response as plain text (MIME type text/plain) in which the monitored properties are listed in a table. The amount of output can be controlled by means of additional query parameters.

Note: The query begins with ?, the parameters are separated by &.

Call

As an example, the following call displays the status of Lobster_data.

The JSP file is compiled into a servlet when it is invoked the first time, later responses will only take a few milliseconds. Only the parameter max=true (in conjunction with dw=true) consumes more resources and should therefore not be called more than approximately every 10 seconds. If the JSP file can not be compiled on the first call, an HTTP Error 500 appears. This does not have any negative effects on the rest of the components and could be because the file does not match the version of your system. In that case, please contact our support team.

Result

For a parameterless call

the status of the main web server and the memory is returned.

The maximum information is obtained with the parameter all.

This would, for example, provide a result like the following.

A call with parameter max (only works with all or dw)

additionally returns the following line.