Are you running using 2.4.0 or HEAD ? We upgraded google-api-client dependencies of HEAD to 1.23 last month: https://github.com/apache/beam/pull/5046/files
If you are using HEAD make sure that you are not picking up clouddebugger 1.22 (or any other 1.22 dependency). Thanks, Cham On Wed, May 16, 2018 at 8:49 AM Lukasz Cwik <lc...@google.com> wrote: > The Dataflow worker relies on this dependency to be supplied as part of > the users application. Are you sure the way you build/package your > application hasn't changed in the past few days? > > Note that the DataflowRunner has specified > "google-api-services-clouddebugger" as a dependency[1]. The other issue > could be that a dependency of CloudDebugger is incompatible. There is a > known issue where "google-api-client" 1.22.0 is incompatible with 1.23.0 > and hence all Google libraries that depend on "google-api-client" should > use a set of dependencies that are consistent with using a single version > of "google-api-client" (The DataflowRunner in Apache Beam uses 1.22.0). > > 1: > https://mvnrepository.com/artifact/org.apache.beam/beam-runners-google-cloud-dataflow-java/2.4.0 > > On Wed, May 16, 2018 at 3:53 AM Frank Yellin <f...@fyellin.com> wrote: > >> Something just starting breaking on me in the last day or so. I have the >> trivial program: >> >> public static void main(String[] args) { >> PipelineOptions options = >> PipelineOptionsFactory.fromArgs(args).create(); >> Pipeline pipeline = Pipeline.create(options); >> } >> >> >> If I call it with no arguments, it quietly does nothing, as expected. If >> I pass the argument >> --runner=dataflowRunner >> I get the error message >> >> Exception in thread "main" java.lang.NoClassDefFoundError: >> com/google/api/services/clouddebugger/v2/CloudDebugger >> >> >> I can't find any reference to v2/CloudDebugger and I do not know who is >> including it or calling it. Has something changed in the last few days on >> GCE? >> >> Help! >> >>