bucket.collections().getAllScopes() throws wrong Exception for nonexistent bucket

WARN    2021-03-04 11:23:23,762 [cb-events] com.couchbase.endpoint  - [com.couchbase.endpoint][EndpointConnectionFailedEvent][305ms] Connect attempt 1 failed because of AuthenticationFailureException: Either the bucket with name "b" is not present or the user does not have the right privileges to access it {"bucket":"b","circuitBreaker":"CLOSED","coreId":"0xdbd794e700000001","remote":"172.23.104.16:11210","type":"KV"}

com.couchbase.client.core.error.AuthenticationFailureException: Either the bucket with name "b" is not present or the user does not have the right privileges to access it {"bucket":"b","circuitBreaker":"CLOSED","coreId":"0xdbd794e700000001","remote":"172.23.104.16:11210","status":"NO_ACCESS","type":"KV"}

        at com.couchbase.client.core.io.netty.kv.SelectBucketHandler.channelRead(SelectBucketHandler.java:172)

        at com.couchbase.client.core.io.netty.kv.MemcacheProtocolVerificationHandler.channelRead(MemcacheProtocolVerificationHandler.java:84)

        at java.base/java.lang.Thread.run(Thread.java:835)

INFO    2021-03-04 11:23:23,869 [cb-events] com.couchbase.node  - [com.couchbase.node][NodeDisconnectedEvent][641us] Node disconnected {"coreId":"0xdbd794e700000001","managerPort":"8091","remote":"172.23.104.16"}

WARN    2021-03-04 11:23:23,972 [cb-events] com.couchbase.io  - [com.couchbase.io][SelectBucketFailedEvent] Select bucket failed with status code 0x24 {"bucket":"b","coreId":"0xdbd794e700000001","local":"/10.100.255.179:60014","remote":"172.23.104.16/172.23.104.16:11210"}

INFO    2021-03-04 11:23:24,078 [cb-events] com.couchbase.node  - [com.couchbase.node][NodeConnectedEvent] Node connected {"coreId":"0xdbd794e700000001","managerPort":"8091","remote":"172.23.104.16"}

INFO    2021-03-04 11:23:24,182 [cb-events] com.couchbase.node  - [com.couchbase.node][NodeConnectedEvent] Node connected {"coreId":"0xdbd794e700000001","managerPort":"8091","remote":"172.23.104.17"}

INFO    2021-03-04 11:23:24,182 [cb-events] com.couchbase.node  - [com.couchbase.node][NodeConnectedEvent] Node connected {"coreId":"0xdbd794e700000001","managerPort":"8091","remote":"172.23.104.18"}

INFO    2021-03-04 11:23:24,183 [cb-events] com.couchbase.node  - [com.couchbase.node][NodeConnectedEvent] Node connected {"coreId":"0xdbd794e700000001","managerPort":"8091","remote":"172.23.104.19"}

INFO    2021-03-04 11:23:24,309 [main] com.couchbase.javaclient.DocOperations  - Invoke create

INFO    2021-03-04 11:23:24,310 [ForkJoinPool-1-worker-3] com.couchbase.javaclient.reactive.DocCreate  - Upsert bucket collections

INFO    2021-03-04 11:23:24,310 [ForkJoinPool-1-worker-3] com.couchbase.javaclient.reactive.DocCreate  - BEFORE GET ALL SCOPES

ERROR   2021-03-04 11:23:24,358 [main] com.couchbase.javaclient.DocOperations  - com.couchbase.client.core.error.FeatureNotAvailableException: com.couchbase.client.core.error.FeatureNotAvailableException: The cluster does not support collections and scopes.

public void upsertBucketCollections() {

		List<Collection> bucketCollections = new ArrayList<>();

		log.info("BEFORE GET ALL SCOPES");

		List<ScopeSpec> bucketScopes = bucket.collections().getAllScopes();

		log.info("AFTER GET ALL SCOPES");

		for (ScopeSpec scope : bucketScopes) {

			for (CollectionSpec scopeCollection : scope.collections()) {

				Collection collection = bucket.scope(scope.name()).collection(scopeCollection.name());

				if (collection != null) {

					bucketCollections.add(collection);

				}

			}

		}

		bucketCollections.parallelStream().forEach(c -> upsert(c));

	}