Three-tier probe troubleshooting
The probe agent uses HTTP protocol to communicate with the web server. Depending on the web server in use, the Probe will either start an applet or a servlet. In either case, the required class file is installed into the web server directory structure during the configuration of a web server for monitoring by the main KM.
This topic contains the following information:
Oracle application server - 11.0 version of BMC PATROL for Oracle e-Business Suite
Test the availability of the installed probe class using a web browser, accessing the following:
http://<web_host>:<port>/java/oa_thin|http://<web_host>:<port>/java/oa_thin
This should return a single line of text stating <OS version string> No user id. However, you might receive a message similar to one of the following:
- Error:
- The following error was encountered when attempting to run the application:
- Can't find class oa_thin
In this case, the installation of the applet class failed, or the web server has not been configured for standard KM monitoring.It is not a requirement that the web server be configured for monitoring. However, in the case where this is not configured, then the applet oa_thin.class must be manually copied to the appropriate directory ($ORAWEB_HOME/java).
Apache web server - 11i and 12 versions of BMC PATROL for Oracle e-Business Suite
Test the servlet functionality using a web browser:
http://<web_host>:<port>/servlet/IsItWorking
This should return a page which says Yes, It's working! and has additional text as well. If it does not, then there are issues with the Apache installation, and the three-tier Probe will not work until those issues are resolved.
Test the availability of the installed probe class using a web browser:
http://<web_host>:<port>/servlet/oa_thinS
This should return a single line of text stating No user id. However, you might receive a message similar to the following:
- Not Found
- The requested URL /servlet/oa_thinS was not found on this server.
- Apache/1.3.9 Server at <web_host> Port <port>
In this case, the installation of the servlet class failed, or the web server has not been configured for standard KM monitoring. It is not a requirement that the web server be configured for monitoring. However, in the case where this is not configured, then the servlet oa_thinS.class must be manually copied to the Apache servlet directory.