It's an old jetty. The current version is 9.4.20, so you may consider upgrading.
In any case, however, Jetty limits the size of uploads by default. You will have to adjust this parameter to accomodate whatever makes sense.
https://www.eclipse.org/jetty/documentation/current/setting-form-size.html
Depending on which framework is used for the application on the Jetty side, there may be additional upload size limitations (e.g., in Spring Boot).
The jetty log should be able to tell you what is happening.
--j.
In any case, however, Jetty limits the size of uploads by default. You will have to adjust this parameter to accomodate whatever makes sense.
https://www.eclipse.org/jetty/documentation/current/setting-form-size.html
Depending on which framework is used for the application on the Jetty side, there may be additional upload size limitations (e.g., in Spring Boot).
The jetty log should be able to tell you what is happening.
--j.