Does your code work without the launcher? Better check this step by step to figure out which part causes this error.
On Sat, Feb 24, 2024 at 3:25 AM George Dekermenjian <ged1...@gmail.com> wrote: > I have a python pipeline that uses the bigquery storage write method > (cross language with Java). I’m building launcher and worker docker images > and then launching the flex template. The launcher fails due to the > following runtime error in dataflow. > > I’m using runner v2 and it is a streaming pipeline using the streaming > engine. > > Any ideas of what is causing this? > > RuntimeError: > org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.util.concurrent.UncheckedExecutionException: > org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.util.concurrent.UncheckedExecutionException: > java.lang.ClassCastException: class > org.apache.beam.sdk.transforms.windowing.Repeatedly cannot be cast to class > org.apache.beam.sdk.transforms.windowing.Trigger$OnceTrigger > (org.apache.beam.sdk.transforms.windowing.Repeatedly and > org.apache.beam.sdk.transforms.windowing.Trigger$OnceTrigger are in unnamed > module of loader 'app')" > line: "exec.go:66" > >