15.9.2 Trace collection points of a Web container when an exception occurs (filter trace)
- Organization of this subsection
(1) Trace collection points and PRF trace collection levels
The following table describes the event IDs, trace collection points, and PRF trace collection levels.
|
Event ID |
No. in the figure# |
Trace collection points |
Level |
|---|---|---|---|
|
0x8200 |
1 |
Immediately after a request is acquired or after the completion of request header analysis (via the Web server) |
A/B |
|
0x8201 |
1 |
When a request is acquired or immediately after the completion of request header analysis (via the simple Web server) |
A |
|
0x8202 |
3 |
Immediately before a servlet or JSP is invoked |
A/B |
|
0x8202 |
8 |
Immediately before a servlet or JSP is invoked |
A/B |
|
0x8203 |
2 |
Immediately before the invocation of the filter that is executed before the execution of the servlet or JSP which received a request (filter for which the <dispatcher> tag of the <filter-mapping> tag of web.xml is omitted, or for which REQUEST is specified in the <dispatcher> tag) |
B |
|
0x8206 |
6 |
Immediately before a servlet or JSP is invoked via RequestDispatcher |
B |
|
0x8207 |
8 |
Immediately before the static contents are invoked (DefaultServlet) |
B |
|
0x8211 |
1 |
When a request is acquired or immediately after the completion of request header analysis (via the in-process HTTP server) |
A/B |
|
0x8216 |
7 |
Immediately before the invocation of the filter that is executed when being transferred to the error page (the filter for which ERROR is specified in the <dispatcher> tag of the <filter-mapping> tag of web.xml) |
B |
|
0x8300 |
12 |
Immediately after the completion of request processing (via the Web server) |
A/B |
|
0x8301 |
12 |
Immediately after the completion of request processing (via the simple Web server) |
A |
|
0x8302 |
4, 9 |
Immediately after the completion of processing of the servlet or JSP |
A/B |
|
0x8303 |
5 |
Immediately after the completion of the processing of the filter that is executed before the execution of the servlet or JSP which received a request (the filter for which REQUEST is specified in the <dispatcher> tag of the <filter-mapping> tag of web.xml) |
B |
|
0x8306 |
11 |
Immediately after the completion of the processing of the servlet or JSP via RequestDispatcher |
B |
|
0x8307 |
9 |
Immediately after the completion of the processing of static contents (DefaultServlet) |
B |
|
0x8311 |
12 |
Immediately after the completion of request processing (via the in-process HTTP server) |
A/B |
|
0x8316 |
10 |
Immediately after the completion of the processing of the filter executed when being transferred to the error page (the filter for which ERROR is specified in the <dispatcher> tag of the <filter-mapping> tag of web.xml) |
B |
- Legend:
-
A: Standard
B: Advanced
A/B: Different information is collected for the Standard and Advanced levels.
- #
-
Corresponds to the numbers in Figure 15-11.
The following figure shows the trace collection points in a Web container when an exception occurs.
|
|
![[Figure]](GRAPHICS/ZU071615.GIF)
(2) Trace information that can be collected
The following table describes the trace information that can be collected in a Web container, when the filter that is invoked during Forward or Include is specified.
|
No. in the figure# |
Event ID |
Level |
Information that you can acquire |
||
|---|---|---|---|---|---|
|
Interface name |
Operation name |
Optional |
|||
|
1 |
0x8200 |
A |
HTTP method |
URI |
-- |
|
B |
Number-of-session-ID-characters: session ID: collection-method |
||||
|
0x8201 |
A |
HTTP method |
URI |
-- |
|
|
0x8211 |
A |
HTTP method |
URI |
-- |
|
|
B |
Number-of-session-ID-characters: session ID: collection-method |
||||
|
2 |
0x8203 |
B |
Class name |
Context root name |
Number-of-session-ID-characters: session-ID: number-of-global-session-ID-characters: global-session-ID |
|
3 |
0x8202 |
A |
Class name (JSP file name when a JSP is invoked) |
-- |
-- |
|
B |
Context root name |
Number-of-session-ID-characters: session-ID: number-of-global-session-ID-characters: global-session-ID |
|||
|
4 |
0x8302 |
A |
Class name (JSP file name when a JSP is invoked) |
-- |
|
|
B |
Context root name |
|
|||
|
5 |
0x8303 |
B |
Class name |
Context root name |
|
|
6 |
0x8206 |
B |
Class name |
Dispatch type Context root name |
Number-of-session-ID-characters: session-ID: number-of-global-session-ID-characters: global-session-ID |
|
7 |
0x8216 |
B |
Class name |
Context root name |
Number-of-session-ID-characters: session-ID: number-of-global-session-ID-characters: global-session-ID |
|
8 |
0x8202 |
A |
Class name (JSP file name when a JSP is invoked) |
-- |
-- |
|
B |
Context root name |
Number-of-session-ID-characters: session-ID: number-of-global-session-ID-characters: global-session-ID |
|||
|
0x8207 |
B |
-- |
Context root name |
Number-of-session-ID-characters: session-ID: number-of-global-session-ID-characters: global-session-ID |
|
|
9 |
0x8302 |
A |
Class name (JSP file name when a JSP is invoked) |
-- |
|
|
B |
Context root name |
|
|||
|
0x8307 |
B |
-- |
Context root name |
|
|
|
10 |
0x8316 |
B |
Class name |
Context root name |
|
|
11 |
0x8306 |
B |
Class name |
Dispatch type Context root name |
|
|
12 |
0x8300 |
A |
HTTP method |
URI |
|
|
B |
|
||||
|
0x8301 |
A |
HTTP method |
URI |
|
|
|
0x8311 |
A |
HTTP method |
URI |
Entrance-time status-code |
|
|
B |
Entrance-time status-code number-of-session-ID-characters: session-ID: number-of-global-session-ID-characters: global-session-ID |
||||
- Legend:
-
A: Standard
B: Advanced
--: Not applicable
- #
-
Corresponds to the numbers in Figure 15-11.