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jvm12.conf Parameter Reference

Appendix C JVM Configuration 109

jvm.serializeAttach 0 (off), 1 (on) 0 If on, threads that attach to the

JVM are serialized. By default (if

off), threads can attach to the

JVM in parallel.

jvm.stickyAttach 0 (off), 1 (on) 0 Setting the value of this

parameter to 1 causes threads to

remember that they are attached

to the JVM.

This speeds up request

processing by eliminating

AttachCurrentThread and

DetachCurrentThread calls.

It can, however, have a

side-effect: recycled threads

which may be doing other

processing can be suspended by

the garbage collector arbitrarily.

Thread pools can be used to

eliminate this side effect for

other subsystems. For more

information about thread pools,

see the iPlanet Web Server

Administrator’s Guide.

jvm.trace 5 Determines the trace level. For

servlet and JSP debugging, the

recommended level is 7. Level 5

displays servlet engine

messages. Level 6 displays

servlet and JSP engine

messages. Level 7 displays these

and other exceptions in the

browser.

jvm.allowExit 0 (off), 1 (on) 0 Enables or disables exit from the

process.

Table C-1 jvm12.conf settings

Setting Allowed Values Default Value Description

1 2 ... 104 105 106 107 108 109 110 111 112 113 114 ... 123 124

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