Hi Emmanuel, Thanks for the tip, I fixed zeroc-ice package to set the sourceCompatibility and targetCompatibility to 8
Best regards, José On Sun, Nov 4, 2018 at 12:03 AM Emmanuel Bourg <ebo...@apache.org> wrote: > On 03/11/2018 23:36, Markus Koschany wrote: > > > I have fixed it like that in mockito but it still feels like a > > regression to me. sourceCompatibility and targetCompatibility had been > > already set in build.gradle but now with OpenJDK 11 I have to specify it > > in two other .gradle files as well. Maybe this is magically resolved in > > a later Gradle version. > > It looks like Gradle uses the current Java version when compiling a > project not specifying the source/target level explicitly, and it does > so by passing the -source and -target options to javac with a 1.x value, > where x is the version of the JDK targeted. The issue is, up to Java 10 > javac accepted the values 1.x and x, but starting with Java 11 it no > longer accepts the 1.x values (for x >= 11). > > So with Java 11, we can still do: > > javac -source 1.10 -target 1.10 Foo.java > > but not: > > javac -source 1.11 -target 1.11 Foo.java > > This returns the error "invalid source release: 1.11". The following > syntax has to be used instead: > > javac -source 11 -target 11 Foo.java > > This is very likely to be fixed in a recent Gradle update, but upgrading > the gradle package won't be possible before the Buster release. So > either someone figures out a patch for Gradle 4.4.1, or we simply add > two lines to the few affected packages. > > Emmanuel Bourg > > -- José Gutiérrez de la Concha ZeroC, Inc.
