title: Schema Registry + SSL
body: <p>This is the error that I get when I run the command:
  bin/schema-registry-start etc/schema-registry/schema-registry.properties</p>
  
  <pre><code>[2019-08-14 18:44:30,596] INFO Logging initialized @2427ms to org.eclipse.jetty.util.log.Slf4jLog (org.eclipse.jetty.util.log:193)
  [2019-08-14 18:44:32,759] INFO Initializing KafkaStore with broker endpoints: SSL://localhost:9093 (io.confluent.kafka.schemaregistry.storage.KafkaStore:105)
  [2019-08-14 18:44:33,642] ERROR [AdminClient clientId=adminclient-1] Connection to node -1 (localhost/127.0.0.1:9093) failed authentication due to: SSL handshake failed (org.apache.kafka.clients.NetworkClient:737)
  [2019-08-14 18:44:33,642] ERROR [AdminClient clientId=adminclient-1] Connection to node -1 (localhost/127.0.0.1:9093) failed authentication due to: SSL handshake failed (org.apache.kafka.clients.NetworkClient:737)
  [2019-08-14 18:44:33,650] ERROR Error starting the schema registry (io.confluent.kafka.schemaregistry.rest.SchemaRegistryRestApplication:68)
  io.confluent.kafka.schemaregistry.exceptions.SchemaRegistryInitializationException: Error initializing kafka store while initializing schema registry
      at io.confluent.kafka.schemaregistry.storage.KafkaSchemaRegistry.init(KafkaSchemaRegistry.java:224)
      at io.confluent.kafka.schemaregistry.rest.SchemaRegistryRestApplication.initSchemaRegistry(SchemaRegistryRestApplication.java:66)
      at io.confluent.kafka.schemaregistry.rest.SchemaRegistryRestApplication.configureBaseApplication(SchemaRegistryRestApplication.java:81)
      at io.confluent.rest.Application.createServer(Application.java:205)
      at io.confluent.kafka.schemaregistry.rest.SchemaRegistryMain.main(SchemaRegistryMain.java:42)
  Caused by: io.confluent.kafka.schemaregistry.storage.exceptions.StoreInitializationException: Failed trying to create or validate schema topic configuration
      at io.confluent.kafka.schemaregistry.storage.KafkaStore.createOrVerifySchemaTopic(KafkaStore.java:179)
      at io.confluent.kafka.schemaregistry.storage.KafkaStore.init(KafkaStore.java:116)
      at io.confluent.kafka.schemaregistry.storage.KafkaSchemaRegistry.init(KafkaSchemaRegistry.java:222)
      ... 4 more
  Caused by: java.util.concurrent.ExecutionException: org.apache.kafka.common.errors.SslAuthenticationException: SSL handshake failed
      at org.apache.kafka.common.internals.KafkaFutureImpl.wrapAndThrow(KafkaFutureImpl.java:45)
      at org.apache.kafka.common.internals.KafkaFutureImpl.access$000(KafkaFutureImpl.java:32)
      at org.apache.kafka.common.internals.KafkaFutureImpl$SingleWaiter.await(KafkaFutureImpl.java:104)
      at org.apache.kafka.common.internals.KafkaFutureImpl.get(KafkaFutureImpl.java:272)
      at io.confluent.kafka.schemaregistry.storage.KafkaStore.createOrVerifySchemaTopic(KafkaStore.java:167)
      ... 6 more
  Caused by: org.apache.kafka.common.errors.SslAuthenticationException: SSL handshake failed
  Caused by: javax.net.ssl.SSLHandshakeException: General SSLEngine problem
      at sun.security.ssl.Handshaker.checkThrown(Handshaker.java:1521)
      at sun.security.ssl.SSLEngineImpl.checkTaskThrown(SSLEngineImpl.java:528)
      at sun.security.ssl.SSLEngineImpl.writeAppRecord(SSLEngineImpl.java:1197)
      at sun.security.ssl.SSLEngineImpl.wrap(SSLEngineImpl.java:1165)
      at javax.net.ssl.SSLEngine.wrap(SSLEngine.java:469)
      at org.apache.kafka.common.network.SslTransportLayer.handshakeWrap(SslTransportLayer.java:448)
      at org.apache.kafka.common.network.SslTransportLayer.doHandshake(SslTransportLayer.java:313)
      at org.apache.kafka.common.network.SslTransportLayer.handshake(SslTransportLayer.java:265)
      at org.apache.kafka.common.network.KafkaChannel.prepare(KafkaChannel.java:170)
      at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:547)
      at org.apache.kafka.common.network.Selector.poll(Selector.java:483)
      at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:539)
      at org.apache.kafka.clients.admin.KafkaAdminClient$AdminClientRunnable.run(KafkaAdminClient.java:1152)
      at java.lang.Thread.run(Thread.java:748)
  Caused by: javax.net.ssl.SSLHandshakeException: General SSLEngine problem
      at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
      at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1709)
      at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:318)
      at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:310)
      at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1639)
      at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:223)
      at sun.security.ssl.Handshaker.processLoop(Handshaker.java:1037)
      at sun.security.ssl.Handshaker$1.run(Handshaker.java:970)
      at sun.security.ssl.Handshaker$1.run(Handshaker.java:967)
      at java.security.AccessController.doPrivileged(Native Method)
      at sun.security.ssl.Handshaker$DelegatedTask.run(Handshaker.java:1459)
      at org.apache.kafka.common.network.SslTransportLayer.runDelegatedTasks(SslTransportLayer.java:402)
      at org.apache.kafka.common.network.SslTransportLayer.handshakeUnwrap(SslTransportLayer.java:484)
      at org.apache.kafka.common.network.SslTransportLayer.doHandshake(SslTransportLayer.java:340)
      ... 7 more
  Caused by: java.security.cert.CertificateException: No name matching localhost found
      at sun.security.util.HostnameChecker.matchDNS(HostnameChecker.java:231)
      at sun.security.util.HostnameChecker.match(HostnameChecker.java:96)
      at sun.security.ssl.X509TrustManagerImpl.checkIdentity(X509TrustManagerImpl.java:459)
      at sun.security.ssl.X509TrustManagerImpl.checkIdentity(X509TrustManagerImpl.java:440)
      at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:261)
      at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:144)
      at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1626)
      ... 16 more
  </code></pre>
  
  <p>I am following this tutorial to enable SSL with the Schema Registry:
  <a href="https://docs.confluent.io/current/schema-registry/security/index.html" rel="nofollow noreferrer">https://docs.confluent.io/current/schema-registry/security/index.html</a></p>
  
  <p>This is my schema-registry.properties:
  <a href="https://pastebin.com/if4P5jiD" rel="nofollow noreferrer">https://pastebin.com/if4P5jiD</a></p>