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)

-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 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/IcedTea-Web#Filing_bugs
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/IcedTea-Web
http://icedtea.classpath.org/hg/icedtea-web

Info

10 Feb 2017 icedtea-web (fedora-0.2.pre04.fc26-x86_64)