6.2.4 Main problems occurring during application startup

The following table describes the main problems that occur when you start an application.

Table 6‒5: List of main problems occurring during application startup
Tool reporting the problem	Event	Main effects	Main causes	Checking location	Reference
SmartComposer (for compatibility)	Output of error message (command prompt)	The deploy operation is interrupted.	The possible causes are as follows: There is a problem with the environment (such as the OS, network, memory, disk) Operation error Settings error There is a problem with the created application There is a problem between an application and Application Server	Command error Manager log J2EE server log Web server log OS	6.4.1
Management portal	Output of error message (GUI)			Displayed log Manager log `admin` log J2EE server log Web server log OS	6.4.1
Server management commands^#	Output of error message (command prompt)			Command error `admin` log J2EE server log Application	6.4.3

#: When you use the server management commands, the action to be taken for the problems varies. Check the action described at the Reference column indicated in the table.