The problem does not occur for me now following a dependency update. Here are the parts of mvn dependency:tree that involve gax
| +- 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.code.gson:gson:jar:2.8.2:compile \- com.google.api:gax:jar:1.15.0:compile Those that involve Beam +- org.apache.beam:beam-runners-google-cloud-dataflow-java:jar:2.2.0:compile | +- org.apache.beam:beam-sdks-java-core:jar:2.2.0:compile | +- org.apache.beam:beam-sdks-java-extensions-google-cloud-platform-core:jar:2.2.0:compile | +- org.apache.beam:beam-sdks-common-runner-api:jar:2.2.0:compile ... | +- 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 Here are the parts of my pom that involve gax and Beam <dependency> <groupId>org.apache.beam</groupId> <artifactId>beam-runners-google-cloud-dataflow-java</artifactId> <version>2.2.0</version> </dependency> <dependency> <groupId>com.google.api</groupId> <artifactId>gax</artifactId> <version>1.15.0</version> </dependency> On Wed, Jan 31, 2018 at 2:55 AM, Jacob Marble <jmar...@kochava.com> wrote: > Josh, what did you do to work around this? > > This suddenly crept up on a production pipeline yesterday, without > anything changing on our side (we do rebuild at every run). > > Jacob > > On Fri, Dec 8, 2017 at 6:46 PM, Chamikara Jayalath <chamik...@google.com> > wrote: > >> 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$DefaultDatastore >>>> Factory.create(DatastoreOptions.java:51) >>>> at com.google.cloud.datastore.DatastoreOptions$DefaultDatastore >>>> Factory.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$DefaultDatastore >>>> Factory.create(DatastoreOptions.java:51) >>>> at com.google.cloud.datastore.DatastoreOptions$DefaultDatastore >>>> Factory.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? >>>> >>> > -- *JOSHUA FOX* Principal Software Architect | Freightos *T (Israel): *+972-545691165 | *T (US)*: +1-3123400953 Smooth shipping.
