The following table describes the event IDs, trace collection points, and PRF trace collection levels.

Table 8-38 Details of trace collection points in a Message-driven Bean (EJB2.0)

Event ID	No. in the figure#	Trace acquisition points	Level
0x8425	1	When the message processing in the EJB container starts	A
0x8426	4	When the message processing in the EJB container ends	A
0x8427	2	Immediately before the EJB container call backs the onMessage method of the Message-driven Bean	B
0x8428	3	Immediately after returning from the callback of the onMessage method of the Message-driven Bean	B

Legend:

A: Standard

B: Advanced

#

Corresponds to the numbers in Figure 8-25.

The following figure shows the trace collection points in a Message-driven Bean (EJB2.0).

Figure 8-25 Trace collection points of a Message-driven Bean (EJB2.0)

The following table describes the trace information that can be collected in a Message-driven Bean (EJB2.0).

Table 8-39 Trace information that can be collected in a Message-driven Bean (EJB2.0)

No. in the figure#	Event ID	Level	Information that you can acquire
			Interface name	Operation name	Optional
1	0x8425	A	Bean name	--	--
2	0x8427	B	--	--	--
3	0x8428	B	--	--	When normal: Entrance-time For an exception: Entrance-time exception-name
4	0x8426	A	Bean name	--

Legend:

A: Standard

B: Advanced

--: Not applicable

#

Corresponds to the numbers in Figure 8-25.