we are observing when we upgrade confluent platform 7.8.2 with this connector 1.3.2, we are seeing config deployment error

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we are getting **Error**: io.grpc.LoadBalancerProvider: io.grpc.rls.RlsLoadBalancerProvider not a subtype
on confluent platform 7.8.2 (Enterprise version) with pubsub-group-kafka-connector 1.3.2

Any idea how to fix this.

**config info:**

"name": "gcpsource-config",
"config": {
"connector.class":"com.google.pubsub.kafka.source.CloudPubSubSourceConnector",
"tasks.max":"3",
"cps.subscription":"****",
"cps.project":"****",
"value.converter":"org.apache.kafka.connect.storage.StringConverter",
"key.converter": "org.apache.kafka.connect.storage.StringConverter",
"kafka.topic":"$TOPIC_NAME",
"transforms": "CustomTransformerGCPToString",
"transforms.CustomTransformerGCPToString.type":"com.****.CustomTransformerGCPToString",
"transforms.CustomTransformerGCPToString.fields":"xx"
}

**Error log:**

{"name":"gcpsource-config","connector":{"state":"FAILED","worker_id":"******:**","trace":"java.util.ServiceConfigurationError: io.grpc.LoadBalancerProvider: io.grpc.rls.RlsLoadBalancerProvider not a subtype\n\tat java.base/java.util.ServiceLoader.fail(ServiceLoader.java:590)\n\tat java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNextService(ServiceLoader.java:1237)\n\tat java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNext(ServiceLoader.java:1265)\n\tat java.base/java.util.ServiceLoader$2.hasNext(ServiceLoader.java:1300)\n\tat java.base/java.util.ServiceLoader$3.hasNext(ServiceLoader.java:1385)\n\tat io.grpc.ServiceProviders.loadAll(ServiceProviders.java:67)\n\tat io.grpc.LoadBalancerRegistry.getDefaultRegistry(LoadBalancerRegistry.java:102)\n\tat io.grpc.internal.AutoConfiguredLoadBalancerFactory.(AutoConfiguredLoadBalancerFactory.java:51)\n\tat io.grpc.internal.ManagedChannelImpl.(ManagedChannelImpl.java:613)\n\tat io.grpc.internal.ManagedChannelImplBuilder.build(ManagedChannelImplBuilder.java:655)\n\tat io.grpc.ForwardingChannelBuilder2.build(ForwardingChannelBuilder2.java:261)\n\tat com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.createSingleChannel(InstantiatingGrpcChannelProvider.java:425)\n\tat com.google.api.gax.grpc.ChannelPool.(ChannelPool.java:107)\n\tat com.google.api.gax.grpc.ChannelPool.create(ChannelPool.java:85)\n\tat com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.createChannel(InstantiatingGrpcChannelProvider.java:243)\n\tat com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.getTransportChannel(InstantiatingGrpcChannelProvider.java:237)\n\tat com.google.api.gax.rpc.ClientContext.create(ClientContext.java:236)\n\tat com.google.cloud.pubsub.v1.stub.GrpcSubscriberStub.create(GrpcSubscriberStub.java:287)\n\tat com.google.pubsub.kafka.source.CloudPubSubSourceConnector.verifySubscription(CloudPubSubSourceConnector.java:305)\n\tat com.google.pubsub.kafka.source.CloudPubSubSourceConnector.start(CloudPubSubSourceConnector.java:146)\n\tat org.apache.kafka.connect.runtime.WorkerConnector.doStart(WorkerConnector.java:218)\n\tat org.apache.kafka.connect.runtime.WorkerConnector.start(WorkerConnector.java:247)\n\tat org.apache.kafka.connect.runtime.WorkerConnector.doTransitionTo(WorkerConnector.java:406)\n\tat org.apache.kafka.connect.runtime.WorkerConnector.doTransitionTo(WorkerConnector.java:387)\n\tat org.apache.kafka.connect.runtime.WorkerConnector.doRun(WorkerConnector.java:167)\n\tat org.apache.kafka.connect.runtime.WorkerConnector.run(WorkerConnector.java:127)\n\tat org.apache.kafka.connect.runtime.isolation.Plugins.lambda$withClassLoader$7(Plugins.java:339)\n\tat java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)\n\tat java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)\n\tat java.base/java.lang.Thread.run(Thread.java:835)\n"},"tasks":[],"type":"source"}

Start with the reported version combination and the stack trace entry points in CloudPubSubSourceConnector.java, especially verifySubscription and start. Reproduce connector deployment on Confluent Platform 7.8.2 with connector 1.3.2 and investigate the gRPC ServiceLoader failure; done means the source connector deploys without this error.

Written by the indexing model from the issue text.