Created https://issues.apache.org/jira/browse/BEAM-3321 to update the gax-grpc dependency of Beam.
- Cham On Friday, December 8, 2017 at 6:12:20 PM UTC-8, Harsh Vardhan wrote: > > +chamikara@ > > On Friday, December 8, 2017 at 1:31:00 AM UTC-8, Joshua Fox wrote: >> >> I use Cloud Datastore API to check for Kinds in the Datastore, then use >> Dataflow -- now upgrading to Beam -- to copy one Datastore to another.. >> >> After adding beam-sdks-java-io-google-cloud-platform to my pom, I start >> getting this when initializing the Cloud Datastore API >> >> Exception in thread "main" java.lang.NoClassDefFoundError: >> com/google/api/gax/retrying/ResultRetryAlgorithm >> at >> com.google.cloud.datastore.DatastoreOptions$DefaultDatastoreFactory.create(DatastoreOptions.java:51) >> at >> com.google.cloud.datastore.DatastoreOptions$DefaultDatastoreFactory.create(DatastoreOptions.java:45) >> at com.google.cloud.ServiceOptions.getService(ServiceOptions.java:426) >> >> It is caused by gax dependencies. >> >> Specifically, before I add beam-sdks-java-io-google-cloud-platform there >> is this gax dependency >> >> +- com.google.cloud:google-cloud-datastore:jar:1.12.0:compile >> | +- com.google.cloud:google-cloud-core:jar:1.12.0:compile >> | | +- com.google.api:gax:jar:1.15.0:compile >> >> >> >> and after I add it there is this >> >> +- >> org.apache.beam:beam-sdks-java-io-google-cloud-platform:jar:2.2.0:compile >> | +- com.google.api:gax-grpc:jar:0.20.0:compile >> | | +- com.google.api:gax:jar:1.3.1:compile >> >> >> If I add gax 1.15.0 to my pom explicitly, I get >> >> Exception in thread "main" java.lang.NoClassDefFoundError: >> com/google/api/gax/retrying/ExceptionRetryAlgorithm >> at java.lang.ClassLoader.defineClass1(Native Method) >> .. >> at com.google.cloud.BaseService.<clinit>(BaseService.java:48) >> at >> com.google.cloud.datastore.DatastoreOptions$DefaultDatastoreFactory.create(DatastoreOptions.java:51) >> at >> com.google.cloud.datastore.DatastoreOptions$DefaultDatastoreFactory.create(DatastoreOptions.java:45) >> at com.google.cloud.ServiceOptions.getService(ServiceOptions.java:426) >> >> Clearly Datastore and Beam should work together. Yet there have been >> dependency problems between the two for a while. See this discussion >> <https://stackoverflow.com/questions/40830727/> from 1 year ago. >> >> How can I resolve this? >> >
