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Thread: Unable to Launch The Application- please help

  1. #1
    Junior Member
    Join Date
    Oct 2023
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    Post Unable to Launch The Application- please help

    I am totally new with java. I have a applet with 1 launcher file and 4 other folders containing Java .class files.
    I am trying to run/execute file name start.iml with java launcher.

    I got the error : unable to launch the application

    here code:

    <?xml version="1.0" encoding="UTF-8"?>
    <module type="JAVA_MODULE" version="4">
    <component name="NewModuleRootManager" inherit-compiler-output="true">
    <exclude-output />
    <content url="file://$MODULE_DIR$">
    <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
    <sourceFolder url="file://$MODULE_DIR$/resource" type="java-resource" />
    <orderEntry type="inheritedJdk" />
    <orderEntry type="sourceFolder" forTests="false" />

    here is exception :

    MissingFieldException[ The following required field is missing from the launch file: <jnlp>]
    at com.sun.javaws.jnl.XMLFormat.process(Unknown Source)
    at com.sun.javaws.jnl.XMLFormat.parse(Unknown Source)
    at com.sun.javaws.jnl.LaunchDescFactory.buildDescript or(Unknown Source)
    at com.sun.javaws.jnl.LaunchDescFactory.buildDescript or(Unknown Source)
    at com.sun.javaws.Main.launchApp(Unknown Source)
    at com.sun.javaws.Main.continueInSecureThread(Unknown Source)
    at com.sun.javaws.Main.access$000(Unknown Source)
    at com.sun.javaws.Main$1.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

    please help me.

  2. #2
    Member Helium c2's Avatar
    Join Date
    Nov 2023
    Kekaha, Kaua'i
    Thanked 1 Time in 1 Post

    Default Re: Unable to Launch The Application- please help

    This file has to be embedded in a web page. You are trying to test it and then run it. Unless you have your own hostlocal site up, testing this on a web page will not be possible. Sun is the company that owned Java before Oracle.

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