PDF exporting returns 0KB file

[paodb]

Describe the bug

Go to https://addonsv24-staging.flowingcode.com/gridexporter/basic (or any demo with pdf exporting) and try to export as pdf. See download happening but file is empty.

Expected behavior

Pdf file should contain exported grid data.

Minimal reproducible example

Explained above.

Add-on Version

2.5.0-SNAPSHOT

Vaadin Version

24.5.0

Additional information

Haven't tested locally. Found issue while playing with demo on staging site.

[mlopezFC]

This is the problem:

java.lang.ClassNotFoundException: jakarta.xml.bind.ValidationEventHandler
	at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:445) ~[na:na]
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:587) ~[na:na]
	at org.springframework.boot.loader.net.protocol.jar.JarUrlClassLoader.loadClass(JarUrlClassLoader.java:103) ~[app.jar:1.0.0-SNAPSHOT]
	at org.springframework.boot.loader.launch.LaunchedClassLoader.loadClass(LaunchedClassLoader.java:91) ~[app.jar:1.0.0-SNAPSHOT]
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[na:na]
	at com.flowingcode.vaadin.addons.gridexporter.PdfStreamResourceWriter.accept(PdfStreamResourceWriter.java:54) ~[grid-exporter-addon-2.5.0-SNAPSHOT.jar!/:2.5.0-SNAPSHOT]
	at com.flowingcode.vaadin.addons.gridexporter.ConcurrentStreamResourceWriter.accept(ConcurrentStreamResourceWriter.java:272) ~[grid-exporter-addon-2.5.0-SNAPSHOT.jar!/:2.5.0-SNAPSHOT]
	at com.vaadin.flow.server.communication.StreamResourceHandler.handleRequest(StreamResourceHandler.java:86) ~[flow-server-24.5.0.jar!/:24.5.0]
	at com.vaadin.flow.server.communication.StreamRequestHandler.handleRequest(StreamRequestHandler.java:111) ~[flow-server-24.5.0.jar!/:24.5.0]
	at com.vaadin.flow.server.VaadinService.handleRequest(VaadinService.java:1647) ~[flow-server-24.5.0.jar!/:24.5.0]
	at com.vaadin.flow.server.VaadinServlet.service(VaadinServlet.java:398) ~[flow-server-24.5.0.jar!/:24.5.0]
	at com.vaadin.flow.spring.SpringServlet.service(SpringServlet.java:106) ~[vaadin-spring-24.5.0.jar!/:na]

[yuktgsl]

@mlopezFC I think you might need to add javax.xml.bind : jaxb-api : 2.3.1 and org.glassfish.jaxb : jaxb-runtime as dependencies. It would be good if someone could confirm this please.