javaws-itweb man page

javaws — a Java Web Start client

Synopsis

javaws [-run-options] jnlp file
javaws [-control-options]

Description

javaws is an implementation of a JNLP client. It uses a JNLP (Java Network Launch Protocol) file to securely run a remote Java application or a Java applet. This implementation of javaws is from the IcedTea project and is based on the NetX project.

A JNLP file is an xml file that describes how to securely run a remote Java application or a Java applet.

Options

When specifying options, the name of the jnlp file can be after the command, the -jnlp option, an option with no arguments, or after an argument with an option that takes one argument. A html file that launches a jnlp can be specified after the -html option.
The jnlp-file can either be a url or a local path.
The JNLP file should only be specified once, whether as a main argument, after -jnlp or through an html file.

Control options:

-about
Shows a sample application.(No argument expected)
-help
Prints out information about supported command and basic usage.(No argument expected)
-license
Display the GPL license and exit.(No argument expected)
-viewer
Shows the trusted certificate viewer.(No argument expected)
-Xclearcache
Clean the JNLP application cache.(No argument expected)

Run options:

-allowredirect
Follows HTTP redirects.(No argument expected)
-arg arg
Adds an application argument before launching.(Expected one or more arguments)
-headless
Disables download window, other UIs.(No argument expected)
-html
Location of HTML file to launch (url or file). You can use parameter ALL or numbers (like 1 2 5) to select applets on page. However experimental, this switch should keep you still in safety.(Expected one or more arguments)
-jnlp
Location of JNLP file to launch (url or file).(Exactly one argument expected)
-nosecurity
Disables the secure runtime environment.(No argument expected)
-noupdate
Disables checking for updates.(No argument expected)
-param name=value
Adds an applet parameter before launching.(Expected one or more arguments)
-property name=value
Sets a system property before launching.(Expected one or more arguments)
-strict
Enables strict checking of JNLP file format.(No argument expected)
-update seconds
Check for updates.(Exactly one argument expected)
-verbose
Enable verbose output.(No argument expected)
-version
Print the IcedTea-Web version and exit.(No argument expected)
-Xignoreheaders
Skip jar header verification.(No argument expected)
-xml
Uses a strict XML parser to parse the JNLP file.(No argument expected)
-Xnofork
Do not create another JVM.(No argument expected)
-Xoffline
Prevent ITW network connection. Only cache will be used. Application can still connect.(No argument expected)
-Xtrustnone
Instead of asking user, will foretold all answers as no.(No argument expected)

Examples

javaws -about
Shows basic help and about informations.
javaws -about -headless
Shows basic help and about informations in terminal only.
javaws -Xnofork -Xignoreheaders -allowredirect -Xoffline http://mypage.web/dangerous.jnlp
Will start dangerous.jnlp application, originally from mypage.web, without downloading it, without headers check and in forced single VM.

Files

$JAVA_HOME/lib/deployment.config
java-global deployment properties file. May be affected by deployment.jre.dir.
$JAVA_HOME/lib/security/cacerts
Contains various system java-wide stored certificates. Controlled by deployment.system.security.cacerts
$JAVA_HOME/lib/security/jssecacerts
Contains various system java-wide stored certificates. Controlled by deployment.system.security.jssecacerts
$JAVA_HOME/lib/security/trusted.certs
Contains various system java-wide stored certificates. Controlled by deployment.system.security.trusted.certs
$JAVA_HOME/lib/security/trusted.clientcerts
Contains various system java-wide stored certificates. Controlled by deployment.system.security.trusted.clientautcerts
$JAVA_HOME/lib/security/trusted.jssecerts
Contains various system java-wide stored certificates. Controlled by deployment.system.security.trusted.jssecerts
$TMP/$USER/netx/locks
Location of netx locks. Controlled by deployment.user.locksdir
$TMP/$USER/netx/locks/netx_running
Location of netx main lock. Controlled by deployment.user.runningfile
$XDG_CACHE_HOME/icedtea-web/cache
Contains cached runtime entries. Controlled by deployment.user.cachedir
$XDG_CACHE_HOME/icedtea-web/cache/recently_used
Additional information about items in cache
$XDG_CACHE_HOME/icedtea-web/pcache
Contains saved application data. Controlled by deployment.user.pcachedir
$XDG_CACHE_HOME/icedtea-web/tmp
Contains temporary runtime files. Controlled by deployment.user.tmp
$XDG_CONFIG_HOME/icedtea-web/.appletTrustSettings
File responsible for various actions on applets and apps based on their codebase based on users actions.
$XDG_CONFIG_HOME/icedtea-web/deployment.properties
Users main deployment properties file.
$XDG_CONFIG_HOME/icedtea-web/icons
Location where icons of javaws applications desktop/menu launchers icons are stored
$XDG_CONFIG_HOME/icedtea-web/log
contains file-log files (if enabled), itw-cplugin-date_time.log for native part of plugin, itw-javantx-date_time.log for everything else. Controlled by deployment.user.logdir
$XDG_CONFIG_HOME/icedtea-web/security/java.policy
Contains granted permissions for selected unsigned apps. Controlled by deployment.user.security.policy
$XDG_CONFIG_HOME/icedtea-web/security/trusted.cacerts
Contains various users stored certificates. Controlled by deployment.user.security.trusted.cacerts
$XDG_CONFIG_HOME/icedtea-web/security/trusted.certs
Contains various users stored certificates. Controlled by deployment.user.security.trusted.certs
$XDG_CONFIG_HOME/icedtea-web/security/trusted.clientcerts
Contains various users stored certificates. Controlled by deployment.user.security.trusted.clientauthcerts
$XDG_CONFIG_HOME/icedtea-web/security/trusted.jssecacerts
Contains various users stored certificates. Controlled by deployment.user.security.trusted.jssecacerts
$XDG_CONFIG_HOME/icedtea-web/security/trusted.jssecerts
Contains various users stored certificates. Controlled by deployment.user.security.trusted.jssecerts
$XDG_DATA_HOME/applications/javaws
Subdirectory in users menus space, for placing custom menu shortcuts.
/etc/.java/deployment/.appletTrustSettings
File responsible for various actions on applets and apps based on their codebase based on admins actions.
/etc/.java/deployment/deployment.config
Global deployment config file.

Where $XDG_CONFIG_DIR, $XDG_CACHE_DIR and $XDG_RUNTIME_DIR are set as ~/.config, ~/.cache and /tmp or /var/tmp if not set.

Bugs

There aren't any known bugs. If you come across one, please file it at:
http://icedtea.classpath.org/wiki/IcedT…
http://icedtea.classpath.org/bugzilla

Please run in debug (-verbose switch or itw-settings setting or ICEDTEAPLUGIN_DEBUG variable set to true) mode and include that output (best is from java console) with URL to jnlp or html file (or the jnlp/html file or application itself) when filing out the bug report.

Author

Please run in debug (-verbose switch or itw-settings setting or ICEDTEAPLUGIN_DEBUG variable set to true) mode and include that output (best is from java console) with URL to jnlp or html file (or the jnlp/html file or application itself) when filing out the bug report.

See Also

icedtea-web(1) javaws(1) icedtea-web-plugin(1) itweb-settings(1) policyeditor(1) policytool(1) java(1)

http://icedtea.classpath.org/wiki/IcedT…
http://icedtea.classpath.org/hg/icedtea…

Info

13 Jul 2016 icedtea-web (fedora-3.fc25-x86_64)