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Java 8 File.renameTo() fails without error message

Since the upgrade to Debian 10 with tomcat9 (previously Debian 9 with tomcat8) we have problems with moving directories via File.renameTo or rather the underlying ...
GitHub

netty 4.0.0.CR3 FileUpload renameTo throw java.lang.UnsupportedOperationException, but not ...

at io.netty.handler.codec.http.multipart.AbstractMemoryHttpData.renameTo(AbstractMemoryHttpData.java:213) at io.netty.handler.codec.http.multipart.MixedFileUpload ...