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javaws(1) General Commands Manual javaws(1) NAME 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 com- mand, 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 us- age.(No argument expected) -license Display the GPL license and exit.(No argument expected) -viewer Shows the trusted certificate viewer.(No argument expected) -Xcacheids List available IDs in cache, which you can use to delete indi- vidual applications.(Expected none or one argument) -Xclearcache Clean the JNLP application cache. If you pass argument, only specified application is deleted.(Expected none or one argu- ment) Run options: -allowredirect Follows HTTP redirects.(No argument expected) -arg arg Adds an application argument before launching.(Expected one or more arguments) -browser Launch embeded browser. Use in great need only!(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 pa- rameter 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 ar- gument expected) -nosecurity Disables the secure runtime environment. You need also deploy- ment.security.itw.ignorecertissues to workaround corrupted sig- natures(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) -startuptracker Enable startup time tracker(No argument expected) -strict Enables strict checking of JNLP file format.(No argument ex- pected) -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. Appli- cation can still connect.(No argument expected) -Xtrustnone Instead of asking user, will foretold all answers as no.(No ar- gument 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://my- page.web/dangerous.jnlp Will start dangerous.jnlp application, originally from my- page.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 de- ployment.jre.dir. $JAVA_HOME/lib/security/cacerts Contains various system java-wide stored certificates. Con- trolled by deployment.system.security.cacerts $JAVA_HOME/lib/security/jssecacerts Contains various system java-wide stored certificates. Con- trolled by deployment.system.security.jssecacerts $JAVA_HOME/lib/security/trusted.certs Contains various system java-wide stored certificates. Con- trolled by deployment.system.security.trusted.certs $JAVA_HOME/lib/security/trusted.clientcerts Contains various system java-wide stored certificates. Con- trolled by deployment.system.security.trusted.clientautcerts $JAVA_HOME/lib/security/trusted.jssecerts Contains various system java-wide stored certificates. Con- trolled 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.run- ningfile $XDG_CACHE_HOME/icedtea-web/cache Contains cached runtime entries. Controlled by deploy- ment.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 deploy- ment.user.pcachedir $XDG_CACHE_HOME/icedtea-web/tmp Contains temporary runtime files. Controlled by deploy- ment.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 every- thing else. Controlled by deployment.user.logdir $XDG_CONFIG_HOME/icedtea-web/security/java.policy Contains granted permissions for selected unsigned apps. Con- trolled by deployment.user.security.policy $XDG_CONFIG_HOME/icedtea-web/security/trusted.cacerts Contains various users stored certificates. Controlled by de- ployment.user.security.trusted.cacerts $XDG_CONFIG_HOME/icedtea-web/security/trusted.certs Contains various users stored certificates. Controlled by de- ployment.user.security.trusted.certs $XDG_CONFIG_HOME/icedtea-web/security/trusted.clientcerts Contains various users stored certificates. Controlled by de- ployment.user.security.trusted.clientauthcerts $XDG_CONFIG_HOME/icedtea-web/security/trusted.jssecacerts Contains various users stored certificates. Controlled by de- ployment.user.security.trusted.jssecacerts $XDG_CONFIG_HOME/icedtea-web/security/trusted.jssecerts Contains various users stored certificates. Controlled by de- ployment.user.security.trusted.jssecerts $XDG_DATA_HOME/applications/javaws Subdirectory in users menus space, for placing custom menu shortcuts. {%WINDIR/Sun/Java or /etc/.java}/deployment/.appletTrustSettings File responsible for various actions on applets and apps based on their codebase based on admins actions. {%WINDIR/Sun/Java or /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/IcedTea-Web#Filing_bugs http://icedtea.classpath.org/bugzilla Please run in debug (-verbose switch or itw-settings setting or ICEDTEAPLU- GIN_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 ap- plication itself) when filing out the bug report. AUTHOR The following people have made contibutions to this project. Please keep this list in alphabetical order. Lillian Angel <langel@redhat.com>Andrew Azores <aazores@redhat.com>Deepak Bhole <dbhole@redhat.com>Laurent BourgA"s <bourges.laurent@gmail.com>Adam Buchta <adbuch7@gmail.com>Ricardo MartAn Camarero <rickyepoderi@ya- hoo.es>Marcin Cieslak <marcin.cieslak@gmail.com>Danesh Dadachanji <ddadacha@redhat.com>Adam Domurad <adomurad@redhat.com>Lukasz Dracz <ldracz@redhat.com>Thomas Fitzsimmons <fitzsim@redhat.com>Olesya Gerasi- menko <gammaray@basealt.ru>MichaA GA^3rny <mgorny@gentoo.org>Mark Greenwood <mark@dcs.shef.ac.uk>Tereza Hlavackova <hlavackova.tereza@gmail.com>Lars Herschke <lhersch@dssgmbh.de>Peter Hatina <phatina@redhat.com>Andrew John Hughes <ahughes@redhat.com>Jie Kang <jkang@redhat.com>Alex Kashchenko <akashche@redhat.com>Matthias Klose <doko@ubuntu.com>Alexandr Kolouch <skolnag@gmail.com>Jan Kmetko <jan.kmetko.ml@gmail.com>Francis Kung <fkung@redhat.com>Denis Lila <dlila@redhat.com>DJ Lucas <dj@luca- sit.com>Omair Majid <omajid@redhat.com>Jon A. Maxwell <jmaxwell@users.sourceforge.net>Thomas Meyer <thomas@m3y3r.de>Kurt Miller <kurt@intricatesoftware.com>Saad Mohammad <smohammad@redhat.com>Martin Ols- son <martin@minimum.se>Stefan Ring <stefan@complang.tuwien.ac.at>Ville SkyttAx <ville.skytta@iki.fi>Fridrich Strba <fridrich.strba@suse.com>Andrew Su <asu@redhat.com>Joshua Sumali <jsumali@redhat.com>Joel Tesdall <jtes- dall@mapcon.com>Michal Vala <mvala@redhat.com>Jiri Vanek <jvanek@red- hat.com>TomA!A! Votava <tomcacolca@gmail.com>Mark Wielaard <mark@klomp.org>Jacob Wisor <gitne@excite.co.jp>Man Lung Wong <mwong@red- hat.com> This project also includes code from the following projects: OpenJDK <http://openjdk.java.net/> Netx <http://jnlp.sourceforge.net/netx/> SEE ALSO icedtea-web(1) javaws(1) icedtea-web-plugin(1) itweb-settings(1) policyedi- tor(1) policytool(1) java(1) http://icedtea.classpath.org/wiki/IcedTea-Web http://icedtea.classpath.org/hg/icedtea-web icedtea-web 1.8.8 11 Jun 2026 javaws(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXAMPLES | FILES | BUGS | AUTHOR | SEE ALSO
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