Unfortunately, it does not help too much. I see two diferences with the video: 1) in the video netbeans is run on Java 1.8, I am running on Java 13 (and I don't know why I should change) 2) in the video it seems to use Maven, I am using Ant (which should not make a difference)
Am 09.10.2019 um 16:02 schrieb Geertjan Wielenga: > https://www.youtube.com/watch?v=ciK5qzJsSTc > > Hope it helps, > > Gj > > On Wed, Oct 9, 2019 at 3:57 PM Helmut Leininger <h.leinin...@gmx.at > <mailto:h.leinin...@gmx.at>> wrote: > > Hi, > > I have a small test program using --enable-preview set for compile > and run. > > The program compiles without error, but whun runnning it from > within the IDE, it fails with this error message: > Fehler: Beim Laden der Klasse testapachepoi.TestApachePOI ist ein > LinkageError aufgetreten > java.lang.UnsupportedClassVersionError: > testapachepoi/TestApachePOI (class file version 56.65535) was > compiled with preview features that are unsupported. This version > of the Java Runtime only recognizes preview features for class > file version 57.65535 > > My configuration:* > Product Version:* Apache NetBeans IDE 11.2-beta2 > > *Java:* 13; OpenJDK 64-Bit Server VM 13+33 > > *Runtime:* OpenJDK Runtime Environment 13+33 > > *System:* Windows 10 version 10.0 running on amd64; Cp1252; de_AT > (nb) > > *User directory:* C:\Users\hl\AppData\Roaming\NetBeans\11.0 > > *Cache directory:* C:\Users\hl\AppData\Local\NetBeans\Cache\11.0 > > > Remarks: > - The only Java version installed is AdoptOpenJDK 13 > - the program can be launched from the command line without any > problem. > > > Regards > Helmut >
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