This exception happened to a production environment and it has happened again. It happens every now. I retry the operation but sometimes the issue persists.
Here is the error detail and the list of accounts where it happened is sent in a follow-up private email. com.google.api.ads.common.lib.exception.OAuthException: Credential could not be refreshed. at com.google.api.ads.common.lib.auth.OfflineCredentials.generateCredential(OfflineCredentials.java:145) at com.bonial.megan.google.adwords.helper.AdwordsBatchJobServiceHelper.connectToGoogleAdwords(AdwordsBatchJobServiceHelper.groovy:91) at com.bonial.megan.google.adwords.helper.AdwordsBatchJobServiceHelper.initializeAdWordsSession(AdwordsBatchJobServiceHelper.groovy:62) at com.bonial.megan.google.adwords.AdwordsBatchJobService.createAndUploadBatchJobOperations(AdwordsBatchJobService.groovy:32) at com.bonial.megan.services.BatchProcessingService.createAndUploadBatchJobOperations(BatchProcessingService.groovy:51) at com.bonial.megan.execution.actors.stateChange.mutate.StateChangeMutateActor$_onReceiveBody_closure1.doCall(StateChangeMutateActor.groovy:42) at com.bonial.megan.execution.actors.stateChange.mutate.StateChangeMutateActor.onReceiveBody(StateChangeMutateActor.groovy:41) at com.bonial.megan.execution.actors.AbstractActor.onReceive(AbstractActor.groovy:42) at akka.actor.UntypedActor$$anonfun$receive$1.applyOrElse(UntypedActor.scala:167) at akka.actor.Actor$class.aroundReceive(Actor.scala:465) at akka.actor.UntypedActor.aroundReceive(UntypedActor.scala:97) at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) at akka.actor.ActorCell.invoke_aroundBody0(ActorCell.scala:487) at akka.actor.ActorCell$AjcClosure1.run(ActorCell.scala:1) at org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149) at akka.kamon.instrumentation.ActorCellInstrumentation$$anonfun$aroundBehaviourInvoke$1.apply(ActorCellInstrumentation.scala:62) at kamon.trace.Tracer$.withContext(TracerModule.scala:57) at akka.kamon.instrumentation.ActorCellInstrumentation.aroundBehaviourInvoke(ActorCellInstrumentation.scala:61) at akka.actor.ActorCell.invoke(ActorCell.scala:483) at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:254) at akka.dispatch.Mailbox.run(Mailbox.scala:221) at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) Caused by: java.net.ConnectException: Connection refused at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:77) at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:972) at com.google.api.client.auth.oauth2.TokenRequest.executeUnparsed(TokenRequest.java:283) at com.google.api.client.auth.oauth2.TokenRequest.execute(TokenRequest.java:307) at com.google.api.client.auth.oauth2.Credential.executeRefreshToken(Credential.java:570) at com.google.api.client.googleapis.auth.oauth2.GoogleCredential.executeRefreshToken(GoogleCredential.java:362) at com.google.api.client.auth.oauth2.Credential.refreshToken(Credential.java:489) at com.google.api.ads.common.lib.auth.OAuth2Helper.callRefreshToken(OAuth2Helper.java:68) at com.google.api.ads.common.lib.auth.OfflineCredentials.generateCredential(OfflineCredentials.java:140) ... 25 more Please provide a solution ASAP. Retrying the operation is a work-around* BUT NOT A SOLUTION UNLESS YOU FIX THIS.* -- -- =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ Also find us on our blog and Google+: https://googleadsdeveloper.blogspot.com/ https://plus.google.com/+GoogleAdsDevelopers/posts =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ You received this message because you are subscribed to the Google Groups "AdWords API Forum" group. To post to this group, send email to adwords-api@googlegroups.com To unsubscribe from this group, send email to adwords-api+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/adwords-api?hl=en --- You received this message because you are subscribed to the Google Groups "AdWords API Forum" group. To unsubscribe from this group and stop receiving emails from it, send an email to adwords-api+unsubscr...@googlegroups.com. Visit this group at https://groups.google.com/group/adwords-api. To view this discussion on the web visit https://groups.google.com/d/msgid/adwords-api/48bd7156-79ab-41a3-b2c4-ba8859c2618d%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.