### Install for All Users

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Set the `userMode` property to `1` in the `response.varfile` to install OpenWebStart for all users on the system.

```properties
userMode$Integer=1
```

--------------------------------

### Install OpenWebStart on Linux

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Use this command to install OpenWebStart using the DEB package on Linux. Ensure you have root privileges.

```bash
sudo dpkg -i OpenWebStart_linux_1_1_8.deb
```

--------------------------------

### Unattended Installation Properties

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Example properties for an unattended installation of OpenWebStart. These are defined in a `response.varfile`.

```properties
ows.jvm.manager.server.default=https://my.custom.server
ows.jvm.manager.server.default.locked=true
```

```properties
sys.adminRights$Boolean=false
sys.fileAssociation.extensions$StringArray="jnlp","jnlpx"
sys.fileAssociation.launchers$StringArray="313","313"
sys.installationDir=/Applications/OpenWebStart
sys.languageId=de
```

```properties
sys.adminRights$Boolean=false
sys.fileAssociation.extensions$StringArray="jnlp","jnlpx"
sys.fileAssociation.launchers$StringArray="313","313"
sys.installationDir=/Applications/OpenWebStart
sys.languageId=de
ows.jvm.manager.server.default=https://my.custom.server
ows.jvm.manager.server.default.locked=true
```

--------------------------------

### Install for Current User

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Set the `userMode` property to `0` in the `response.varfile` to install OpenWebStart only for the current user.

```properties
userMode$Integer=0
```

--------------------------------

### Install Prerequisite Tools

Source: https://github.com/karakun/openwebstart/blob/master/INSTALL.md

Install the necessary build tools and Java 8 JDK via the package manager.

```bash
sudo apt install git maven openjdk-8-jdk
```

--------------------------------

### Execute Unattended Installer

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Commands to run the OpenWebStart installer in silent mode using a response file.

```bash
<OpenWebStart_windows_1.x.x.exe> -q -varfile response.varfile
```

```bash
hdiutil attach OpenWebStart_macos_1_x_x.dmg
/Volumes/OpenWebStart/OpenwebStart\ Installer.app/Contents/MacOS/JavaApplicationStub -q -varfile response.varfile
hdiutil detach /Volumes/OpenWebStart
```

--------------------------------

### Example JNLP File 1

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

An example JNLP file demonstrating resource definitions, including JVM arguments and properties.

```xml
jvm_args_1.jnlp:
 	<j2se version="1.8*"  java-vm-args=" -Xmx512m -Xms256m -Djnlp.ccc=jnlp"/>
        <jar href="generated-jars/jvm_args.jar"/>
        <property name="http.agent" value="jnlp"/>
        <property name="javaws.xyz" value="jnlp"/>
        <property name="sun.java2d.dpiaware" value="true"/>
        <property name="my.prop" value="jnlp"/>
        <property name="jnlp.prop" value="jnlp"/>
    </resources>
```

--------------------------------

### Example JNLP File 2

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

A second example JNLP file showcasing different JVM arguments and properties, including module additions.

```xml
jvm_args_2.jnlp :
	<resources>
		<java version="1.8+"	java-vm-args="-Xmx512M -Xms256M  -Djnlp.ccc=jnlp -Dmy.prop=jnlp --add-modules=java.sql"/>
		<jar href="generated-jars/jvm_args.jar"/>
		<property name="sun.awt.disableMixing" value="true"/>
		<property name="http.agent" value="Blah"/>
		<property name="javaws.xyz" value="jnlp"/>
		<property name="sun.java2d.dpiaware" value="true"/>
		<property name="jnlp.prop" value="jnlp"/>
	</resources>
```

--------------------------------

### Run Installer without Admin Rights

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Set `sys.adminRights` to `false` in the `response.varfile` to run the installer without requiring administrator privileges.

```properties
sys.adminRights$Boolean=false
```

--------------------------------

### Configure JVM Cache Directory

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Examples of setting the JVM cache directory path on Windows.

```properties
ows.jvm.manager.cache.dir=c:\temp\JVMCacheDir
ows.jvm.manager.cache.dir=c:/temp/JVMCacheDir
```

--------------------------------

### Configure System Configuration URL

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Examples of setting the deployment.system.config property with escaped special characters for different file paths and URLs.

```properties
deployment.system.config=file\:/C\:/Windows/Sun/Java/global.properties
```

```properties
deployment.system.config=file\:/etc/.java/deployment/base.properties
```

```properties
deployment.system.config=https\://192.168.1.1./javaws/system.properties
```

--------------------------------

### Override Installation Directory via Command Line

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Use the -dir argument to specify an installation path relative to the user profile.

```bash
OpenWebStart_windows-x64_x_x_x.exe -q -varfile response.varfile -dir %USERPROFILE%\<the dir where you want to install ows>
```

--------------------------------

### Resulting JVM Arguments Example

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Illustrates the final combined JVM arguments for a specific JNLP file after merging with `deployment.properties` overrides. Properties defined later in the merge process take precedence.

```text
-Xmx512m, -Xms256m, -Djnlp.ccc=jnlp, -Djavaws.xyz=jnlp, -Dsun.java2d.dpiaware=true, -Djnlp.prop=jnlp, -Dhttp.agent=jnlp, -Xmx2048m, -Xms512m, -Dabc=dep, -Ddepprop=dep, -Dmy.prop=depprop, -Djavaws.xyz=dep, -Djnlp.ccc=dep, -Dsun.java2d.dpiaware=false, -Dhttp.agent=BBBB
```

--------------------------------

### Configure Admin Rights in response.varfile

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Set the admin rights property within the response.varfile for unattended installations.

```properties
sys.adminRights$Boolean=true
```

--------------------------------

### Enable Experimental Application Manager

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Set this property in deployment.properties to enable the experimental application management feature, which allows starting, creating shortcuts for, and deleting downloaded applications.

```properties
ows.experimental.applicationManager.active=true
```

--------------------------------

### Configure JNLP Resources and Application Descriptor

Source: https://github.com/karakun/openwebstart/blob/master/documentation/faq/FAQ.adoc

Example of defining Java versions, JAR dependencies, and the main application class within a JNLP file.

```xml
<vendor>Karakun AG</vendor>
    <offline-allowed/>
</information>
<security>
    <all-permissions/>
</security>
<resources>
    <java version="11*"/>
    <jar href="jars/jfxapp.jar"/>
    <jar href="jars/javafx-controls-17.0.0.1-win.jar"/>
    <jar href="jars/javafx-graphics-17.0.0.1-win.jar"/>
    <jar href="jars/javafx-base-17.0.0.1-win.jar"/>
    <jar href="jars/javafx-fxml-17.0.0.1-win.jar"/>
</resources>
<application-desc main-class="com.karakun.ows.javafx_test.FXAppLauncher"/>
</jnlp>
```

--------------------------------

### Configure JNLP for JavaFX 11

Source: https://github.com/karakun/openwebstart/blob/master/documentation/faq/FAQ.adoc

Example JNLP structure for deploying JavaFX 11 applications.

```xml
<?xml version="1.0" encoding="utf-8"?>
<jnlp spec="1.0+" codebase="https://myhost.com">
<information>
    <title>JavaFX 11 App</title>
```

--------------------------------

### Specify Manifest Attributes to Check

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Configure specific manifest attributes to be checked by OWS by providing a comma-separated list. This example excludes the PERMISSIONS attribute.

```properties
deployment.manifest.attributes.check= CODEBASE, TRUSTED, ALAC, ENTRYPOINT
```

--------------------------------

### Portable Update Files

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Core files that require manual updates when upgrading the portable OpenWebStart installation.

```text
\openwebstart.jar (the application must be updated)

\jre\ (the bundled JRE which is used to run OpenWebStart)
```

--------------------------------

### Start JNLP Application in Offline Mode

Source: https://github.com/karakun/openwebstart/blob/master/documentation/faq/FAQ.adoc

Use this command to launch a previously cached JNLP application without accessing a server. Ensure all necessary JAR files are present in the cache.

```bash
javaws -Xoffline myapp.jnlp
```

--------------------------------

### Configure JNLP for JavaFX 8

Source: https://github.com/karakun/openwebstart/blob/master/documentation/faq/FAQ.adoc

Specify a JVM vendor and a JSON server URL in the JNLP file to ensure the correct JavaFX-enabled JDK is installed.

```xml
<?xml version="1.0" encoding="utf-8"?>
<jnlp spec="1.0+" codebase="https://myhost.com">
<information>
    <title>JavaFX 8 App</title>
    <vendor>Karakun AG</vendor>
    <offline-allowed/>
</information>
<security>
    <all-permissions/>
</security>
<resources>
    <java version="1.8*" vendor="zulu" href="http://myjvmserver.com/jvms/jvms.json"/>
    <jar href="generated-jars/javafx-test.jar"/>
</resources>
<application-desc main-class="com.karakun.ows.javafx_test.HelloWorld"/>
</jnlp>
```

--------------------------------

### Build Projects

Source: https://github.com/karakun/openwebstart/blob/master/INSTALL.md

Commands to build the IcedTea-Web dependency and the OpenWebStart project.

```bash
mvn install
```

```bash
./mvnw install
```

--------------------------------

### Define System Configuration File

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

A sample deployment.config file defining the system configuration URL and mandatory loading requirement.

```properties
deployment.system.config=https\://192.168.1.1./javaws/system.properties
deployment.system.config.mandatory=true
```

--------------------------------

### Launch JNLP with Arguments

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Passes arguments to the main method of the application launched via OpenWebStart.

```bash
argarray=("${@:1:$#-1}")

open -a "OpenWebStart javaws" "$jnlp" --args "${argarray[@]}"
```

--------------------------------

### MacOS OpenWebStart Wrapper Script

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Use this script to wrap OpenWebStart invocations on MacOS, ensuring the JNLP file or URL is passed as the final argument.

```bash
#!/bin/bash
# A wrapper for OpenWebStart that behaves like 'javaws' on MacOS.

if [ "$#" -lt 1 ]; then
    echo "Must provide at least a JNLP file or URL"
    exit 1
fi

# The JNLP file or URL which much be at the end of the argument list.
jnlp=${!#}
```

--------------------------------

### Configure Local JVM Search

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Settings to control how OpenWebStart discovers JVMs on the local file system.

```properties
ows.jvm.manager.searchLocalAtStartup=true
ows.jvm.manager.excludeDefaultSearchLocation=true
ows.jvm.manager.customSearchLocation=c\:/path/to/jvm,c:\\path\\to\\other\\jvm
```

--------------------------------

### Define server whitelist

Source: https://github.com/karakun/openwebstart/blob/master/documentation/faq/FAQ.adoc

Add a comma-separated list of servers to the deployment.properties file to restrict resource downloads.

```properties
deployment.security.whitelist=10.10.10.10, google.com, some.server.net
```

--------------------------------

### OpenWebStart Log File Naming Convention

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

OpenWebStart generates log files for different stages of application launch. These files follow a specific naming convention that includes a timestamp and stage number.

```plaintext
<timestamp>-ows-stage<stage number>.log
```

```plaintext
<timestamp>-ows-settings.log
```

--------------------------------

### Specify 32-bit JVM in JNLP

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Use the `require-32bit` attribute in the JNLP file to force OpenWebStart to use a 32-bit JVM on a 64-bit machine.

```xml
<java version="1.8*" require-32bit="true" ... />
```

--------------------------------

### Whitelist Additional JVM Arguments

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Extend the list of allowed JVM arguments by specifying them in the `deployment.properties` file. Only the argument name should be listed.

```properties
deployment.jvm.arguments.whitelist=-Dnew_jvm_arg1, -Dnew_jvm_arg2
```

--------------------------------

### Execute OWS from Portable Media

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Command syntax for launching the javaws executable with a JNLP file or URL.

```bash
javaws.exe [url-to-jnlp | path-to-jnlp] [options]
```

--------------------------------

### Launching JNLP Application via Command Line (Mac)

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Use this command to launch a JNLP application on macOS. This command opens the specified JNLP file with the OpenWebStart javaws application.

```bash
open -a "OpenWebStart javaws" <path or url of jnlp file>
```

--------------------------------

### Configure Portable Environment Variables

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Environment variables to redirect cache and configuration directories for portable usage.

```text
XDG_CACHE_HOME (default value is %USER_HOME%\.cache)

XDG_CONFIG_HOME (default: %USER_HOME%\.config)
```

--------------------------------

### Enforce 32-bit JVM in JNLP

Source: https://github.com/karakun/openwebstart/blob/master/documentation/faq/FAQ.adoc

Use the require-32bit attribute to force OpenWebStart to use a 32-bit JVM on 64-bit systems.

```xml
<jnlp
  spec="1.0+" codebase="...">
  <resources>
    <java version="1.8*" require-32bit="true" ... />
    <jar href="MyDemo.jar"/>
  </resources>
  <application-desc main-class="misc.MyDemo"/>
</jnlp>
```

--------------------------------

### Configure System-wide Trust Store

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Specify a central trust store and link it via the system-wide deployment configuration file.

```properties
deployment.system.security.trusted.certs=<Central Directory>\\trusted.certs
deployment.system.security.trusted.certs.locked
```

```properties
deployment.system.config=file:///<Central Directory>/itw.properties
deployment.system.config.mandatory=true
```

--------------------------------

### Launching JNLP Application via Command Line (Windows)

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Use this command to launch a JNLP application on Windows. Ensure 'javaws' is in your system's PATH.

```bash
javaws <path or url of jnlp file>
```

--------------------------------

### Set JAVA_HOME Environment Variable

Source: https://github.com/karakun/openwebstart/blob/master/INSTALL.md

Configure the JAVA_HOME path to ensure the correct Java version is used during compilation.

```bash
export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64/
```

--------------------------------

### Enable HTTP Redirects

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Allows the javaws command to follow HTTP redirects when fetching a JNLP file.

```bash
javaws -allowredirect http://jogamp.org/deployment/archive/rc/v2.3.2/jogl-demos/Gears.jnlp
```

--------------------------------

### Define JVM server whitelist

Source: https://github.com/karakun/openwebstart/blob/master/documentation/faq/FAQ.adoc

Restrict JVM downloads to specific server URLs by adding a whitelist entry to the deployment properties.

```properties
ows.jvm.manager.server.allowFromJnlp.whitelist=myjvms.myserver.com, *.jvms.com
```

--------------------------------

### JVM server JSON configuration

Source: https://github.com/karakun/openwebstart/blob/master/documentation/faq/FAQ.adoc

JSON format used by the JVM server to define available runtimes for OpenWebStart.

```json
{
  "cacheTimeInMillis":5000,
  "runtimes":
  [
    {
     "version":"1.8.0_252",
     "vendor":"Zulu Community Edition",
     "os":"WIN64",
     "href":"https://cdn.azul.com/zulu/bin/zulu8.46.0.19-ca-fx-jdk8.0.252-win_x64.zip"
    }
  ]
}
```

--------------------------------

### Configure Manifest Attribute Checking

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Set the deployment.manifest.attributes.check property in deployment.properties to control which manifest attributes OWS checks. The default is ALL. Use NONE to disable all checks.

```properties
deployment.manifest.attributes.check=NONE
```

--------------------------------

### Lock Configuration Properties

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Enforce configuration settings by adding a .locked postfix to the property key.

```properties
ows.jvm.manager.server.default=https\://192.168.1.1/jvms.json
ows.jvm.manager.server.default.locked=true
```

--------------------------------

### Set Global JVM Arguments via Environment Variable

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Use the `JAVAWS_VM_ARGS` environment variable to apply JVM arguments to all JNLP files.

```bash
set JAVAWS_VM_ARGS=-Xss2048k -Xmx4096m
```

--------------------------------

### List Supported JVM Vendor Names

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Valid vendor names or aliases that can be used in the JNLP vendor attribute.

```text
"*"
"AdoptOpenJDK", "Adopt"
"Amazon.com Inc.", "Amazon Inc.", "Amazon"
"Azul Systems, Inc.", "Azul"
"BellSoft"
"Eclipse Adoptium", "Adoptium"
"Oracle Corporation", "Oracle"
```

--------------------------------

### Use Whitelisted JVM Arguments in JNLP

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Include JVM arguments in the JNLP file that have been previously whitelisted in `deployment.properties`.

```xml
<java version="x"  java-vm-args="-Dnew_jvm_arg1=value1 -Dnew_jvm_arg2=value2"/>
```

--------------------------------

### Specify JVM Server in JNLP

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Allows the JNLP file to specify the location of the JVM download server.

```xml
<java version="1.8*" href="http://myjvms.myserver.com/jvms.json"/>
```

--------------------------------

### Implement JavaFX Launcher Class

Source: https://github.com/karakun/openwebstart/blob/master/documentation/faq/FAQ.adoc

Required launcher pattern for JavaFX applications running on Java 11 or higher.

```java
// Launcher for JavaFX application which is specified in the Jnlp file
public class FXAppLauncher {
    public static void main(String[] args) {
        FXApp.main(args);
    }
}

// JavaFX Application
public class FXApp extends Application {
    public static void main(String[] args) {
        launch(args);
    }

    @Override
	public void start(Stage primaryStage) {
        ... // JavaFX code
    }
    ...
}
```

--------------------------------

### Specify JVM Version and Arguments in JNLP

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Configures the required JVM version and heap memory arguments for a JNLP application.

```xml
<java version="1.8+"  java-vm-args=" -Xmx512m -Xms128m -XX:SurvivorRatio=6 -XX:NewSize=96m -XX:MinHeapFreeRatio=20 -XX:MaxHeapFreeRatio=30"/>
```

--------------------------------

### Pass arguments to JNLP application

Source: https://github.com/karakun/openwebstart/blob/master/documentation/faq/FAQ.adoc

Use the -arg flag to pass custom arguments to the application's main method.

```bash
javaws -arg arg1=value1 arg2=value2 -jnlp <path to jnlp file>
```

--------------------------------

### Customize JVM Cache Location

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Set the directory for JVM caching in the deployment.properties file, which overrides XDG_CACHE_HOME.

```properties
ows.jvm.manager.cache.dir=c:\\temp\\JVMCacheDir
```

--------------------------------

### Specify JVM Arguments in JNLP

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Define JVM arguments directly within the JNLP file using the `java-vm-args` attribute.

```xml
<java version="1.8+"  *java-vm-args=" -Xmx512m -Xms128m -XX:SurvivorRatio=6 -XX:NewSize=96m -XX:MinHeapFreeRatio=20 -XX:MaxHeapFreeRatio=30"*/>
```

--------------------------------

### Define Custom JVM Download Server JSON

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

The JSON structure required for a custom JVM download server. The cacheTimeInMillis field determines how often the client re-contacts the server.

```json
{
    "cacheTimeInMillis":<miliseconds>,
    "runtimes":[
        {
            "version":<JVM version>,
            "vendor":<vendor name>,
            "os":<OS identifier>,
            "href":<absolute url to the archive containing the JVM>
        },

        ... more runtime definitions
}
```

--------------------------------

### Override JNLP JVM Arguments in deployment.properties

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Specify JVM arguments in `deployment.properties` to merge with or override those defined in specific JNLP files. Note the escaping of equals signs for properties.

```properties
ows.jvmargs.for.jvm_args_1.jnlp=-Xmx2048m -Xms512m -Dabc\=dep -Ddepprop=dep -Dmy.prop\=depprop -Djavaws.xyz\=dep -Djnlp.ccc\=dep -Dsun.java2d.dpiaware\=false -Dhttp.agent\=BBBB

ows.jvmargs.for.jvm_args_2.jnlp=-Xmx1024m -Ddepprop=dep -Xms512m -Dsun.java2d.dpiawared\=false -Dmy.prop\=depprop -Djavaws.xyz\=dep -Djnlp.ccc\=dep -Dsun.java2d.dpiaware\=false -Dhttp.agent\="BBBB"
--add-opens\=java.desktop/sun.print\=ALL-UNNAMED --add-exports\=java.desktop/sun.print\=ALL-UNNAMED --add-modules\=java.sql
```

--------------------------------

### Launching JNLP Application in Offline Mode (Windows)

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

This command launches a JNLP application in offline mode on Windows, preventing it from accessing the server for resources. The application must have been previously cached.

```bash
javaws -Xoffline myApp.jnlp
```

--------------------------------

### Specify JVM Vendor in JNLP

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Restricts the JVM selection to a specific vendor within the JNLP file.

```xml
<java version="1.8*" vendor="AdoptOpenJDK" ... />
```

--------------------------------

### Launching JNLP Application in Offline Mode (Mac)

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

This command launches a JNLP application in offline mode on macOS, preventing it from accessing the server for resources. The application must have been previously cached.

```bash
open -a "OpenWebStart javaws" myApp.jnlp --args -Xoffline
```

--------------------------------

### Clear JNLP Cache

Source: https://github.com/karakun/openwebstart/blob/master/documentation/guide/OWSGuide.adoc

Removes cached JNLP applications from the local system.

```bash
javaws -Xclearcache
```

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