CC: dev@ > On 23 Sep 2021, at 15:48, Ohad Pinchevsky <ohad.pinchev...@gmail.com> wrote: > According to the blog in Beam website Java 11 is already supported since 2.27 > https://beam.apache.org/blog/beam-2.27.0/ > <https://beam.apache.org/blog/beam-2.27.0/>
I believe it’s related only for Java SDK containers whereas Flink (or Spark) job server containers are still built with Java 8. I think we need fix it. > But in the Dockerfile of Beam they have Java 8 installed: > > https://hub.docker.com/layers/apache/beam_flink1.13_job_server/2.31.0/images/sha256-e727deacac9b16b5a05066998a8d39e0c2860ced0484246f16566bf384d8b028?context=explore > > <https://hub.docker.com/layers/apache/beam_flink1.13_job_server/2.31.0/images/sha256-e727deacac9b16b5a05066998a8d39e0c2860ced0484246f16566bf384d8b028?context=explore> > > Flink 1.13 already support Java 11 > https://github.com/apache/flink-docker/tree/master/1.13 > <https://github.com/apache/flink-docker/tree/master/1.13> > > Running mixed code resulting with exception: > > compiled by a more recent version of the Java Runtime (class file version > 55.0), this version of the Java Runtime only recognizes class file versions > up to 52.0 >
