Red Hat NETSCAPE ENTERPRISE SERVER 6.0 - NSAPI PROGRAMMER GUIDE Bedienungsanleitung PDF herunterladen (Seite 105)

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Appendix C

JVM Configuration

The Java Virtual Machine (JVM) works by default without any additional

configuration if properly set up.

However, if you need to specify settings for the JVM, such as additional classpath

information, you can configure the JVM properties for iPlanet Web Server via the

Administrator interface. You can add as many other properties as you want to (up

to 64).

For information about JVM, see The Java Virtual Machine Specification from Sun at:

http://java.sun.com/docs/books/vmspec/2nd-edition/html/VMSpecTOC.doc.html

The jvm12.conf File

You can also configure JVM parameters by editing the jvm12.conf configuration

file, which resides under the server’s

config directory.

For example, to disable JIT, you can add the following line to

jvm12.conf:

java.compiler=NONE

NOTE A few attributes on the Configure JVM Attributes page on the Java

tab show as “Default.” Since you can use different JVMs, these

default values are unknown. You cannot query a JVM to find out

the actual default values; instead, refer to your JVM

documentation. For example, for Sun’s JVM, if you choose Yes for

the JIT Compiler option, it shows as “Default” because JIT is

enabled in the JVM by default. However, if you choose No for the

JIT compiler, an explicit entry,

jvm.compiler=NONE, is added to the

jvm12.conf file.

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Red Hat NETSCAPE ENTERPRISE SERVER 6.0 - NSAPI PROGRAMMER GUIDE Bedienungsanleitung Seite 105