uCosminexus Application Server, Maintenance and Migration Guide

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9.12.1 Overview of the hndlwrap functionality

The hndlwrap functionality prevents the occurrence of a logoff event and closure of the window during a logoff.

This functionality uses Java Virtual Machine Tool Interface (JVMTI). If hndlwrap2.dll is loaded in the JVMTI interface, an event handler that detects the class preparation event and ignores the logoff and window closure events is installed. As a result, when you execute the hndlwrap functionality by specifying the -agentlib:hndlwrap2 option, you can operate the command even after logging off. For details on the options to be specified, see 16.5 Java HotSpot VM options that can be specified in Cosminexus in the uCosminexus Application Server Definition Reference Guide.