network: Cache entry found [url: http://localhost:8080/Preloader/html/CallNonExistJSPreloader.jnlp, version: null]
cache: Adding MemoryCache entry: http://localhost:8080/Preloader/html/CallNonExistJSPreloader.jnlp
cache: registerReference: com.sun.deploy.cache.MemoryCache$CachedResourceReference@499e2816: 1
basic: XMLParser with _source:
<?xml version="1.0" encoding="UTF-8"?><jnlp spec="1.0" xmlns:jfx="http://javafx.com" href="CallNonExistJSPreloader.jnlp">
    <information>
        <title>Sample app: FXHello</title>
        <vendor>Deployment SQE</vendor>
        <description>FXHello_name</description>
        <offline-allowed/>
    </information>
    <update check="background"/>
    <resources>
        <j2se version="9-ea+" href="http://java.sun.com/products/autodl/j2se">
            <property name="jnlp.fx.perf" value="true"/>
            <property name="jnlp.jsmethod" value="sayHello"/>
        </j2se>
        <jar href="hello.jar" size="5046" download="eager"/>
        <jar href="testpreloader.jar" size="9719" download="eager"/>
    </resources>
    <jfx:javafx-desc width="400" height="400" main-class="FXHello" name="FXHello_name" preloader-class="JSCallerPreloader"/>
</jnlp>
temp: returning LaunchDesc from XMLFormat.parse():

<jnlp spec="1.0" codebase="http://localhost:8080/Preloader/html/" href="http://localhost:8080/Preloader/html/CallNonExistJSPreloader.jnlp">
  <information>
    <title>Sample app: FXHello</title>
    <vendor>Deployment SQE</vendor>
    <homepage href="null"/>
    <description>FXHello_name</description>
    <offline-allowed/>
  </information>
  <update check="background" policy="always"/>
  <resources>
    <java href="http://java.sun.com/products/autodl/j2se" version="9-ea+"/>
    <jar href="http://localhost:8080/Preloader/html/hello.jar" download="eager" main="false"/>
    <jar href="http://localhost:8080/Preloader/html/testpreloader.jar" download="eager" main="false"/>
  </resources>
  <javafx-desc main-class="FXHello" preloader-class="JSCallerPreloader"/>
</jnlp>
cache: registerReference: com.sun.deploy.cache.MemoryCache$CachedResourceReference@499e2816: 2
network: Cache entry found [url: http://localhost:8080/Preloader/html/hello.jar, version: null]
cache: Adding MemoryCache entry: http://localhost:8080/Preloader/html/hello.jar
cache: registerReference: com.sun.deploy.cache.MemoryCache$CachedResourceReference@406f31ba: 1
cache: registerReference: com.sun.deploy.cache.MemoryCache$CachedResourceReference@406f31ba: 2
network: Cache entry found [url: http://localhost:8080/Preloader/html/testpreloader.jar, version: null]
cache: Adding MemoryCache entry: http://localhost:8080/Preloader/html/testpreloader.jar
cache: registerReference: com.sun.deploy.cache.MemoryCache$CachedResourceReference@cd9110c: 1
cache: registerReference: com.sun.deploy.cache.MemoryCache$CachedResourceReference@cd9110c: 2
basic: Plugin2ClassLoader.addURL2 called for http://localhost:8080/Preloader/html/hello.jar
basic: Plugin2ClassLoader.addURL2 called for http://localhost:8080/Preloader/html/testpreloader.jar
basic: Plugin2ClassLoader.drainPendingURLs addURL called for http://localhost:8080/Preloader/html/hello.jar
basic: Plugin2ClassLoader.drainPendingURLs addURL called for http://localhost:8080/Preloader/html/testpreloader.jar
Java Plug-in 12.0.0.0
Using JRE version 9-ea+147 Java HotSpot(TM) Server VM
JRE expiration date: 5/30/17, 12:00 AM
User home directory = C:\Users\Administrator
----------------------------------------------------
c:   clear console window
f:   finalize objects on finalization queue
g:   garbage collect
h:   display this help message
l:   dump classloader list
m:   print memory usage
o:   trigger logging
q:   hide console
r:   reload policy configuration
s:   dump system and deployment properties
t:   dump thread list
v:   dump thread stack
x:   clear classloader cache
0-5: set trace level to <n>
----------------------------------------------------
security: Security check for progress jars: allSigned=true
cache: Clean up the reference queue: http://localhost:8080/Preloader/html/hello.jar
cache: deregisterReference: com.sun.deploy.cache.MemoryCache$CachedResourceReference@406f31ba: 1
cache: delayedRemoveResource: http://localhost:8080/Preloader/html/hello.jar
cache: Clean up the reference queue: http://localhost:8080/Preloader/html/hello.jar
cache: deregisterReference: com.sun.deploy.cache.MemoryCache$CachedResourceReference@406f31ba: 0
cache: Cancel delay cleanup: URL: http://localhost:8080/Preloader/html/hello.jar | C:\Users\Administrator\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\36\28d2464-181c3db0.idx
cache: delayedRemoveResource: http://localhost:8080/Preloader/html/hello.jar
cache: Clean up the reference queue: http://localhost:8080/Preloader/html/testpreloader.jar
cache: deregisterReference: com.sun.deploy.cache.MemoryCache$CachedResourceReference@cd9110c: 1
cache: delayedRemoveResource: http://localhost:8080/Preloader/html/testpreloader.jar
cache: Clean up the reference queue: http://localhost:8080/Preloader/html/testpreloader.jar
cache: deregisterReference: com.sun.deploy.cache.MemoryCache$CachedResourceReference@cd9110c: 0
cache: Cancel delay cleanup: URL: http://localhost:8080/Preloader/html/testpreloader.jar | C:\Users\Administrator\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\36\6315ce4-688c68af.idx
cache: delayedRemoveResource: http://localhost:8080/Preloader/html/testpreloader.jar
cache: Clean up the reference queue: http://localhost:8080/Preloader/html/CallNonExistJSPreloader.jnlp
cache: deregisterReference: com.sun.deploy.cache.MemoryCache$CachedResourceReference@499e2816: 1
cache: delayedRemoveResource: http://localhost:8080/Preloader/html/CallNonExistJSPreloader.jnlp
basic: LaunchDesc.selectJRE( returning selected jre: JREInfo for index 1:
    platform is: 9
    product is: 9-ea
    location is: http://java.sun.com/products/autodl/j2se
    path is: C:\Program Files\Java\jre-9\bin\javaw.exe
    args is: 
    native platform is: Windows, x86 [ x86, 32bit ]
    JavaFX runtime is: JavaFX 9 at: null
    enabled is: true
    registered is: true
    system is: true

basic: LaunchDesc location: http://localhost:8080/Preloader/html/CallNonExistJSPreloader.jnlp
cache: Cancel delay cleanup: URL: http://localhost:8080/Preloader/html/hello.jar | C:\Users\Administrator\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\36\28d2464-181c3db0.idx
cache: registerReference: com.sun.deploy.cache.MemoryCache$CachedResourceReference@406f31ba: 1
cache: registerReference: com.sun.deploy.cache.MemoryCache$CachedResourceReference@406f31ba: 2
security: Blacklist revocation check is enabled
security: blacklist: Reconstruct cache
security: blacklist: created: NEED_CREATE, lastModified: 1480655583317
security: The jar file isnt signed so the blacklist check will be skipped
security: Trusted libraries list check is enabled
security: Trusted libraries list file not found
cache: Create from verifier: JarSigningData{hasOnlySignedEntries=false, hasSingleCodeSource=false, hasMissingSignedEntries=false}
cache: Cancel delay cleanup: URL: http://localhost:8080/Preloader/html/testpreloader.jar | C:\Users\Administrator\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\36\6315ce4-688c68af.idx
cache: registerReference: com.sun.deploy.cache.MemoryCache$CachedResourceReference@cd9110c: 1
cache: registerReference: com.sun.deploy.cache.MemoryCache$CachedResourceReference@cd9110c: 2
security: The jar file isnt signed so the blacklist check will be skipped
security: Trusted libraries list file not found
cache: Create from verifier: JarSigningData{hasOnlySignedEntries=false, hasSingleCodeSource=false, hasMissingSignedEntries=false}
basic: JNLP2ClassLoader.getPermissions()
security: Grant connect perm for http://localhost:8080/Preloader/html/testpreloader.jar : java.security.Permissions@7b8a00 (
 ("java.net.URLPermission" "http://localhost:8080" "*:*")
 ("java.net.URLPermission" "http://localhost:8080/-" "*:*")
)

security: JAVAWS AppPolicy Permission requested for: http://localhost:8080/Preloader/html/testpreloader.jar
security: Add sandbox permissions
basic: JNLP2ClassLoader.getPermissions() X
java.lang.RuntimeException: java.lang.IllegalArgumentException: Method name should not be null.
	at javafx.deploy/com.sun.deploy.uitoolkit.impl.fx.FXApplet2Adapter.instantiatePreloader(Unknown Source)
	at jdk.javaws@9-ea/com.sun.javaws.progress.PreloaderDelegate.doInitPreloader(Unknown Source)
	at jdk.javaws@9-ea/com.sun.javaws.progress.PreloaderDelegate.access$100(Unknown Source)
	at jdk.javaws@9-ea/com.sun.javaws.progress.PreloaderDelegate$2.run(Unknown Source)
	at java.base/java.lang.Thread.run(Unknown Source)
Caused by: java.lang.IllegalArgumentException: Method name should not be null.
	at jdk.plugin@9-ea/sun.plugin2.main.client.MessagePassingJSObject.<clinit>(Unknown Source)
	at jdk.plugin@9-ea/sun.plugin2.main.client.LiveConnectSupport.importObject(Unknown Source)
	at jdk.plugin@9-ea/sun.plugin2.main.client.MessagePassingExecutionContext.getJSObject(Unknown Source)
	at jdk.plugin@9-ea/sun.plugin2.applet2.Plugin2Host.getJSObject(Unknown Source)
	at javafx.deploy/com.sun.javafx.applet.HostServicesImpl$WCGetter.run(Unknown Source)
	at javafx.deploy/com.sun.javafx.applet.HostServicesImpl$WCGetter.run(Unknown Source)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at javafx.deploy/com.sun.javafx.applet.HostServicesImpl.getWebContext(Unknown Source)
	at javafx.graphics/javafx.application.HostServices.getWebContext(Unknown Source)
	at JSCallerPreloader.start(JSCallerPreloader.java:20)
	at javafx.deploy/com.sun.deploy.uitoolkit.impl.fx.FXPreloader$3.call(Unknown Source)
	at javafx.deploy/com.sun.deploy.uitoolkit.impl.fx.FXPluginToolkit$Caller.run(Unknown Source)
	at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$9(Unknown Source)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$10(Unknown Source)
	at javafx.graphics/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(Unknown Source)
	at javafx.graphics/com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
	at javafx.graphics/com.sun.glass.ui.win.WinApplication.lambda$runLoop$3(Unknown Source)
	... 1 more
security: Validating cached jar url=http://localhost:8080/Preloader/html/hello.jar ffile=C:\Users\Administrator\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\36\28d2464-181c3db0 com.sun.deploy.cache.CachedJarFile@138e2fe
security: Treat jar as unsigned due to exception: com.sun.deploy.net.JARSigningException: Found unsigned entry in resource (JAR file)
basic: passing security checks; secureArgs:true, allSigned:false
basic: continuing launch in this VM
network: LDUpdater: started background update check
basic: JNLP2ClassLoader.getPermissions()
security: Grant connect perm for http://localhost:8080/Preloader/html/hello.jar : java.security.Permissions@2bf615 (
 ("java.net.URLPermission" "http://localhost:8080" "*:*")
 ("java.net.URLPermission" "http://localhost:8080/-" "*:*")
)

security: JAVAWS AppPolicy Permission requested for: http://localhost:8080/Preloader/html/hello.jar
security: Add sandbox permissions
basic: JNLP2ClassLoader.getPermissions() X
security: SSV validation:
    running: 9
    requested: null
    range: null
    javaVersionParam: null
    Rule Set version: null
security: continue with running version
security: JUT Record:
    plugin2
    http://localhost:8080/Preloader/html/CallNonExistJSPreloader.html: jnlp_href=CallNonExistJSPreloader.jnlp launchjnlp= code=dummy.class orig_java_arguments=-Djnlp.fx.perf=true,-Djnlp.jsmethod=sayHello, java_status_events=true java_arguments= type=application/x-java-applet javafx_version=2.0+ separate_jvm=true __applet_relaunched=true codebase=http://localhost:8080/Preloader/html/ javafx_applet_id=CallNonExistJSPreloader __applet_session_data=C:\Users\ADMINI~1\AppData\Local\Temp\session2598169454694538935 width=400 name=CallNonExistJSPreloader id=CallNonExistJSPreloader scriptable=true height=400  app_model=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
network: JARUpdater: update check for http://localhost:8080/Preloader/html/hello.jar
network: JARUpdater: update check for http://localhost:8080/Preloader/html/testpreloader.jar
cache: MemoryCache: removed entry http://localhost:8080/Preloader/html/CallNonExistJSPreloader.jnlp