I have a cluster of 2 machine and when I start my service that makes the connection log to me as the following error:
[PORTAL] 776296 [http-bio-9090-exec-63] INFO com.couchbase.client.core.CouchbaseCore - CouchbaseEnvironment: {sslEnabled=false, sslKeystoreFile='null', sslKeystorePassword='null', queryEnabled=false, queryPort=8093, bootstrapHttpEnabled=true, bootstrapCarrierEnabled=true, bootstrapHttpDirectPort=8091, bootstrapHttpSslPort=18091, bootstrapCarrierDirectPort=11210, bootstrapCarrierSslPort=11207, ioPoolSize=3, computationPoolSize=3, responseBufferSize=16384, requestBufferSize=16384, kvServiceEndpoints=1, viewServiceEndpoints=1, queryServiceEndpoints=1, searchServiceEndpoints=1, ioPool=NioEventLoopGroup, coreScheduler=CoreScheduler, eventBus=DefaultEventBus, packageNameAndVersion=couchbase-java-client/2.2.7 (git: 2.2.7, core: 1.2.8), dcpEnabled=false, retryStrategy=BestEffort, maxRequestLifetime=180000, retryDelay=ExponentialDelay{growBy 1.0 MICROSECONDS, powers of 2; lower=100, upper=100000}, reconnectDelay=ExponentialDelay{growBy 1.0 MILLISECONDS, powers of 2; lower=32, upper=4096}, observeIntervalDelay=ExponentialDelay{growBy 1.0 MICROSECONDS, powers of 2; lower=10, upper=100000}, keepAliveInterval=30000, autoreleaseAfter=2000, bufferPoolingEnabled=true, tcpNodelayEnabled=true, mutationTokensEnabled=false, socketConnectTimeout=1000, dcpConnectionBufferSize=20971520, dcpConnectionBufferAckThreshold=0.2, dcpConnectionName=dcp/core-io, callbacksOnIoPool=false, queryTimeout=180000, viewTimeout=75000, kvTimeout=2500, connectTimeout=5000, disconnectTimeout=25000, dnsSrvEnabled=false}
[PORTAL] 776367 [http-bio-9090-exec-63] INFO com.couchbase.client.core.message.cluster.SeedNodesRequest - Unknown host couchbaseServer2.xxx in bootstrap list.
java.net.UnknownHostException: couchbaseServer2.xxx
at java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method)
at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:901)
at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1295)
at java.net.InetAddress.getAllByName0(InetAddress.java:1248)
at java.net.InetAddress.getAllByName(InetAddress.java:1164)
at java.net.InetAddress.getAllByName(InetAddress.java:1098)
at java.net.InetAddress.getByName(InetAddress.java:1048)
at com.couchbase.client.core.message.cluster.SeedNodesRequest.<init>(SeedNodesRequest.java:99)
at com.couchbase.client.java.CouchbaseAsyncCluster.<init>(CouchbaseAsyncCluster.java:264)
at com.couchbase.client.java.CouchbaseCluster.<init>(CouchbaseCluster.java:234)
at com.couchbase.client.java.CouchbaseCluster.create(CouchbaseCluster.java:191)
at com.couchbase.client.java.CouchbaseCluster.create(CouchbaseCluster.java:179)
after this error log write :
[PORTAL] 776625 [cb-io-1-1] INFO com.couchbase.client.core.node.Node - Connected to Node couchbaseServer1.xxx
[PORTAL] 776948 [cb-computations-3] INFO com.couchbase.client.core.config.ConfigurationProvider - Opened bucket test_bucket
[PORTAL] 776984 [cb-io-1-2] INFO com.couchbase.client.core.node.Node - couchbaseServer2.xxx