Could not read or parse the JNLP file

Hi team,

Could you help me with this error using ICEDTEA-Web? How should I proceed?

Windows 10
jdk-11.0.27.6-openj9
icedtea-web-1.8.8

```
Read Error: Could not read or parse the JNLP file. (java.lang.NullPointerException: name can't be null (name can't be null))
net.sourceforge.jnlp.LaunchException: Fatal: Read Error: Could not read or parse the JNLP file. You can try to download this file manually and send it as bug report to IcedTea-Web team.
at net.sourceforge.jnlp.Launcher.fromUrl(Launcher.java:489)
at net.sourceforge.jnlp.Launcher.launch(Launcher.java:289)
at net.sourceforge.jnlp.runtime.JnlpBoot.run(JnlpBoot.java:67)
at net.sourceforge.jnlp.runtime.Boot.run(Boot.java:274)
at net.sourceforge.jnlp.runtime.Boot.run(Boot.java:63)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:693)
at net.sourceforge.jnlp.runtime.Boot.main(Boot.java:214)
Caused by: java.io.IOException: java.lang.NullPointerException: name can't be null
at net.sourceforge.jnlp.JNLPFile.openURL(JNLPFile.java:319)
at net.sourceforge.jnlp.JNLPFile.(JNLPFile.java:232)
at net.sourceforge.jnlp.JNLPFile.(JNLPFile.java:215)
at net.sourceforge.jnlp.JNLPFile.(JNLPFile.java:200)
at net.sourceforge.jnlp.JNLPFile.(JNLPFile.java:186)
at net.sourceforge.jnlp.Launcher.fromUrl(Launcher.java:453)
... 6 more
Caused by: java.lang.NullPointerException: name can't be null
at java.base/java.io.FilePermission.init(FilePermission.java:321)
at java.base/java.io.FilePermission.(FilePermission.java:488)
at java.base/java.lang.SecurityManager.checkRead(SecurityManager.java:661)
at java.base/java.io.FileInputStream.(FileInputStream.java:146)
at net.sourceforge.jnlp.JNLPFile.openURL(JNLPFile.java:317)
... 11 more
```