What is Java Class Sharing Archive File: -XX:SharedArchiveFile?

Usage:

• -XX:SharedArchiveFile=<filename>

Description:

The -XX:SharedArchiveFile option specifies the path of the shared archive used with Class Data Sharing.

When this option is used together with -Xshare:dump and -XX:SharedClassListFile then the JVM generates a new shared class data archive file at the path specified with -XX:SharedArchiveFile, using the list of classes specified by -XX:SharedClassListFile.

When this option is used with -Xshare:auto or -Xshare:on, then the specified path is used to load the shared class data archive file to increase the startup speed of the Java application.

See the description of the -Xshare option for details on Class Data Sharing

Default Value:

The default value of -XX:SharedArchiveFile on Linux/MacOS/Solaris is:

$JAVA_HOME/lib/server/classes.jsa

On Windows the default location is:

%JAVA_HOME%\bin\server\classes.jsa

Errors:

None

Arguments Related to -Xshare:

TODO: link to -Xshare TODO: link to -XX:DumpLoadedClassList TODO: link
to -XX:SharedClassListFile TODO: link to -XX:ArchiveClassesAtExit

Related Posts:

• Java Application Class Data Sharing.

NOTE:

If you have additional comments, interesting experiences or even point of disagreement with this JVM argument description, please leave a comment. Your

insights will help the entire 10+ million java developer community to develop
one standard source of documentation for all the JVM arguments.