Using the below methods we can check whether the Oracle Forms server is running in servlet or socket mode.

Oracle Applications Release 12

Note Oracle Application Release 12 is, by default, configured to run in servlet mode.

Use the following command:

[applmgr@webserver:] grep connectMode$FORMS_WEB_CONFIG_FILE
connectMode=servlet
[applmgr@webserver:]

Alternatively, use the following command:
[applmgr@webserver:] grep _frmConnectMode $CONTEXT_FILE
<forms_connect oa_var="s_frmConnectMode">servlet</forms_connect>
[applmgr@webserver:]

Oracle Applications Release 11

Note Oracle Application Release 11 is, by default, configured to run in socket mode.

Use the following command:

$ grep connectMode FORMS60_WEB_CONFIG_FILE
The current connection mode is reported:
connectMode=socket

Alternatively, use the following command:

$ grep socket CONTEXT_FILE
The current connection mode is reported:
<forms_connect oa_var="s_frmConnectMode">socket</forms_conr....


Checking the HTML Source:

Finally, you can also check the HTML source of page used to launch the Oracle Forms application. To do so with Internet Explorer, select View, and then Source. This contains the connection mode