3.7 Locking and controlling requests

Locking and controlling requests (service lock) is a function that improves system availability by stopping reception of requests to a specific J2EE application, or by enabling replacement or restart of a J2EE application without stopping the entire system.

The following table shows the structure of this section.

Table 3‒5: Structure of this section (locking and controlling requests)

Topic type	Title	Location
Description	Overview of locking and controlling requests	3.7.1
	Replacing a J2EE application while the system is online	3.7.2
	Locking and controlling requests for a J2EE application	3.7.3
	Locking and controlling requests for a schedule queue	3.7.4
	Holding requests if a J2EE server terminates abnormally	3.7.5
Settings	Specifying settings in the execution environment	3.7.6

Organization of this section

• 3.7.1 Overview of locking and controlling requests

• 3.7.2 Replacing a J2EE application while the system is online

• 3.7.3 Locking and controlling requests for a J2EE application

• 3.7.4 Locking and controlling requests for a schedule queue

• 3.7.5 Holding requests if a J2EE server terminates abnormally

• 3.7.6 Specifying settings in the execution environment

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