Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: nikagra

core/src/main/java/com/datastax/oss/driver/api/core/session/SessionBuilder.java

@@ -965,8 +965,7 @@ protected final CompletionStage<CqlSession> buildDefaultSessionAsync() {
                 InetSocketAddress socketAddress =
                     parseContactPoint(addr, endpoint.getConnectionId());
                 programmaticContactPoints.add(new DefaultEndPoint(socketAddress));
-              } catch (IllegalArgumentException e) {
-                throw e;
+
               } catch (Exception e) {
                 throw new IllegalArgumentException(
                     String.format(

core/src/test/java/com/datastax/oss/driver/api/core/session/ClientRoutesSessionBuilderTest.java

@@ -53,26 +53,6 @@ public void should_allow_null_client_routes_config() {
     assertThat(builder.programmaticArgumentsBuilder.build().getClientRoutesConfig()).isNull();
   }
 
-  @Test
-  public void should_validate_connection_address_format() {
-    // Valid formats should be accepted (tested in integration/functional tests)
-    // Here we test that invalid formats produce helpful error messages
-
-    UUID connectionId = UUID.randomUUID();
-
-    // Invalid port: not a number
-    ClientRoutesConfig.builder()
-        .addEndpoint(new ClientRoutesEndpoint(connectionId, "host:abc"))
-        .build();
-
-    // Note: Actual validation happens in SessionBuilder.buildDefaultSessionAsync()
-    // which is called during session.build(). Since we can't easily test that here
-    // without creating a full session (which requires infrastructure), we document
-    // the expected behavior:
-    // - "host:abc" should throw IllegalArgumentException: "Invalid port number 'abc'..."
-    // - "host:99999" should throw IllegalArgumentException: "Port must be between 1 and 65535"
-    // These are tested in ClientRoutesValidationTest.
-  }
 
   /** Test subclass to access protected fields. */
   private static class TestSessionBuilder extends SessionBuilder<TestSessionBuilder, CqlSession> {

manual/core/address_resolution/README.md

@@ -159,7 +159,7 @@ The system table name can be customized in the [configuration](../configuration/
 datastax-java-driver.advanced.client-routes.table-name = "system.client_routes"
 ```
 
-**Note:** As of version 4.19.0.5, the client routes configuration API is available, but the full handler implementation
+**Note:** As of the current version, the client routes configuration API is available, but the full handler implementation
 (DNS resolution, address translation, event handling) is still under development.
 
 ### EC2 multi-region