我正在 Google Dataflow 中运行流式 Apache 光束管道。它从 Kafka 读取数据并将流式插入到 Bigquery。
但是在 bigquery 流插入步骤中，它抛出了大量警告 -
java.lang.RuntimeException: ManagedChannel allocation site
at io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference.<init> (ManagedChannelOrphanWrapper.java:93)
at io.grpc.internal.ManagedChannelOrphanWrapper.<init> (ManagedChannelOrphanWrapper.java:53)
at io.grpc.internal.ManagedChannelOrphanWrapper.<init> (ManagedChannelOrphanWrapper.java:44)
at io.grpc.internal.ManagedChannelImplBuilder.build (ManagedChannelImplBuilder.java:612)
at io.grpc.internal.AbstractManagedChannelImplBuilder.build (AbstractManagedChannelImplBuilder.java:261)
at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.createSingleChannel (InstantiatingGrpcChannelProvider.java:340)
at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.access$1600 (InstantiatingGrpcChannelProvider.java:73)
at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider$1.createSingleChannel (InstantiatingGrpcChannelProvider.java:214)
at com.google.api.gax.grpc.ChannelPool.create (ChannelPool.java:72)
at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.createChannel (InstantiatingGrpcChannelProvider.java:221)
at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.getTransportChannel (InstantiatingGrpcChannelProvider.java:204)
at com.google.api.gax.rpc.ClientContext.create (ClientContext.java:169)
at com.google.cloud.bigquery.storage.v1beta2.stub.GrpcBigQueryWriteStub.create (GrpcBigQueryWriteStub.java:138)
at com.google.cloud.bigquery.storage.v1beta2.stub.BigQueryWriteStubSettings.createStub (BigQueryWriteStubSettings.java:145)
at com.google.cloud.bigquery.storage.v1beta2.BigQueryWriteClient.<init> (BigQueryWriteClient.java:128)
at com.google.cloud.bigquery.storage.v1beta2.BigQueryWriteClient.create (BigQueryWriteClient.java:109)
at org.apache.beam.sdk.io.gcp.bigquery.BigQueryServicesImpl.newBigQueryWriteClient (BigQueryServicesImpl.java:1255)
at org.apache.beam.sdk.io.gcp.bigquery.BigQueryServicesImpl.access$800 (BigQueryServicesImpl.java:135)
at org.apache.beam.sdk.io.gcp.bigquery.BigQueryServicesImpl$DatasetServiceImpl.<init> (BigQueryServicesImpl.java:521)
at org.apache.beam.sdk.io.gcp.bigquery.BigQueryServicesImpl$DatasetServiceImpl.<init> (BigQueryServicesImpl.java:449)
at org.apache.beam.sdk.io.gcp.bigquery.BigQueryServicesImpl.getDatasetService (BigQueryServicesImpl.java:169) …