Java • Raspberry 5 with Java app using javafx MediaView Error

djpeterlewis@ledposter:~ $ sudo java --version
openjdk 21.0.10 2026-01-20
OpenJDK Runtime Environment (build 21.0.10+7-Debian-1deb13u1)
OpenJDK 64-Bit Server VM (build 21.0.10+7-Debian-1deb13u1, mixed mode, sharing)
djpeterlewis@ledposter:~ $

djpeterlewis@ledposter:~ $ dpkg-query -L openjfx
/.
/usr
/usr/share
/usr/share/doc
/usr/share/doc/openjfx
/usr/share/doc/openjfx/TODO.Debian
/usr/share/doc/openjfx/changelog.Debian.gz
/usr/share/doc/openjfx/copyright
/usr/share/openjfx
/usr/share/openjfx/lib
/usr/share/openjfx/lib/javafx.properties
/usr/share/openjfx/lib/javafx.base.jar
/usr/share/openjfx/lib/javafx.controls.jar
/usr/share/openjfx/lib/javafx.fxml.jar
/usr/share/openjfx/lib/javafx.graphics.jar
/usr/share/openjfx/lib/javafx.media.jar
/usr/share/openjfx/lib/javafx.swing.jar
/usr/share/openjfx/lib/javafx.web.jar
djpeterlewis@ledposter:~ $

sudo apt-get install libavcodec-extra libavformat-extra
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following additional packages will be installed:
libavcodec-extra61 libavformat-extra61
Suggested packages:
libcuda1 libnvcuvid1 libnvidia-encode1
The following packages will be REMOVED:
libavcodec61 libavformat61
The following NEW packages will be installed:
libavcodec-extra libavcodec-extra61 libavformat-extra libavformat-extra61
0 upgraded, 4 newly installed, 2 to remove and 0 not upgraded.
Need to get 8,814 kB of archives.
After this operation, 253 kB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Get:1 http://archive.raspberrypi.com/debian trixie/main arm64 libavformat-extra61 arm64 8:7.1.3-0+deb13u1+rpt1 [1,466 kB]
Get:2 http://archive.raspberrypi.com/debian trixie/main arm64 libavcodec-extra61 arm64 8:7.1.3-0+deb13u1+rpt1 [7,230 kB]
Get:3 http://archive.raspberrypi.com/debian trixie/main arm64 libavcodec-extra arm64 8:7.1.3-0+deb13u1+rpt1 [58.9 kB]
Get:4 http://archive.raspberrypi.com/debian trixie/main arm64 libavformat-extra arm64 8:7.1.3-0+deb13u1+rpt1 [58.9 kB]
Fetched 8,814 kB in 3s (3,398 kB/s)
dpkg: libavformat61:arm64: dependency problems, but removing anyway as you requested:
vlc-plugin-base:arm64 depends on libavformat61 (>= 7:7.0).
rpicam-apps-encoder:arm64 depends on libavformat61 (>= 7:7.0).
python3-av depends on libavformat61 (>= 7:7.0).
libavfilter10:arm64 depends on libavformat61 (>= 7:7.0).
libavdevice61:arm64 depends on libavformat61 (= 8:7.1.3-0+deb13u1+rpt1).
gstreamer1.0-libav:arm64 depends on libavformat61 (>= 7:7.0).
ffmpeg depends on libavformat61 (>= 7:7.0).

(Reading database ... 143046 files and directories currently installed.)
Removing libavformat61:arm64 (8:7.1.3-0+deb13u1+rpt1) ...
Selecting previously unselected package libavformat-extra61:arm64.
(Reading database ... 143040 files and directories currently installed.)
Preparing to unpack .../libavformat-extra61_8%3a7.1.3-0+deb13u1+rpt1_arm64.deb ...
Unpacking libavformat-extra61:arm64 (8:7.1.3-0+deb13u1+rpt1) ...
dpkg: libavcodec61:arm64: dependency problems, but removing anyway as you requested:
vlc-plugin-base:arm64 depends on libavcodec61 (>= 7:7.1).
rpicam-apps-encoder:arm64 depends on libavcodec61 (>= 7:7.1).
python3-av depends on libavcodec61 (>= 7:7.0).
libneatvnc0:arm64 depends on libavcodec61 (>= 7:7.0).
libavformat-extra61:arm64 depends on libavcodec61 (= 8:7.1.3-0+deb13u1+rpt1).
libavfilter10:arm64 depends on libavcodec61 (= 8:7.1.3-0+deb13u1+rpt1).
libavdevice61:arm64 depends on libavcodec61 (>= 7:7.0).
gstreamer1.0-libav:arm64 depends on libavcodec61 (>= 7:7.1).
ffmpeg depends on libavcodec61 (>= 7:7.1).

(Reading database ... 143047 files and directories currently installed.)
Removing libavcodec61:arm64 (8:7.1.3-0+deb13u1+rpt1) ...
Selecting previously unselected package libavcodec-extra61:arm64.
(Reading database ... 143040 files and directories currently installed.)
Preparing to unpack .../libavcodec-extra61_8%3a7.1.3-0+deb13u1+rpt1_arm64.deb ...
Unpacking libavcodec-extra61:arm64 (8:7.1.3-0+deb13u1+rpt1) ...
Selecting previously unselected package libavcodec-extra:arm64.
Preparing to unpack .../libavcodec-extra_8%3a7.1.3-0+deb13u1+rpt1_arm64.deb ...
Unpacking libavcodec-extra:arm64 (8:7.1.3-0+deb13u1+rpt1) ...
Selecting previously unselected package libavformat-extra:arm64.
Preparing to unpack .../libavformat-extra_8%3a7.1.3-0+deb13u1+rpt1_arm64.deb ...
Unpacking libavformat-extra:arm64 (8:7.1.3-0+deb13u1+rpt1) ...
Setting up libavcodec-extra61:arm64 (8:7.1.3-0+deb13u1+rpt1) ...
Setting up libavformat-extra61:arm64 (8:7.1.3-0+deb13u1+rpt1) ...
Setting up libavformat-extra:arm64 (8:7.1.3-0+deb13u1+rpt1) ...
Setting up libavcodec-extra:arm64 (8:7.1.3-0+deb13u1+rpt1) ...
Processing triggers for libc-bin (2.41-12+rpt1+deb13u1) ...

djpeterlewis@ledposter:~/Downloads $ sudo java -jar --module-path /usr/share/openjfx/lib --add-modules javafx.controls -jar ledposterplayer.jar
main._appstart (java line: 63)
java.lang.RuntimeException: java.lang.ClassNotFoundException: javafx$scene$media$MediaView
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:140)
at anywheresoftware.b4j.objects.CustomViewWrapper.AfterDesignerScript(CustomViewWrapper.java:85)
at anywheresoftware.b4j.objects.LayoutBuilder.loadLayout(LayoutBuilder.java:109)
at anywheresoftware.b4j.objects.PaneWrapper.LoadLayout(PaneWrapper.java:101)
at b4j.ledposter.main._appstart(main.java:63)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:111)
at anywheresoftware.b4a.BA.raiseEvent(BA.java:98)
at b4j.ledposter.main.start(main.java:37)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$9(LauncherImpl.java:846)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runAndWait$12(PlatformImpl.java:455)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$10(PlatformImpl.java:428)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$11(PlatformImpl.java:427)
at javafx.graphics/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:96)
at javafx.graphics/com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
at javafx.graphics/com.sun.glass.ui.gtk.GtkApplication.lambda$runLoop$11(GtkApplication.java:277)
at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: java.lang.ClassNotFoundException: javafx$scene$media$MediaView
at anywheresoftware.b4j.object.JavaObject.getCorrectClassName(JavaObject.java:289)
at anywheresoftware.b4j.object.JavaObject.InitializeNewInstance(JavaObject.java:84)
at b4j.ledposter.mediaview._designercreateview(mediaview.java:133)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:111)
... 18 more

Statistics: Posted by djpeterlewis — Sat Jan 31, 2026 2:53 pm — Replies 1 — Views 20