[Java] Fix APIClient basePath Configuration (#14600)

* Nullify serverIndex in java ApiClient.setBasePath

Restores previous behavior broken between v6.2.1 and v6.3.0

* Regenerate samples

modules/openapi-generator/src/main/resources/Java/ApiClient.mustache

@@ -192,6 +192,7 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
 
   public ApiClient setBasePath(String basePath) {
     this.basePath = basePath;
+    this.serverIndex = null;
     return this;
   }
 

modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/ApiClient.mustache

@@ -291,6 +291,7 @@ public class ApiClient {
      */
     public ApiClient setBasePath(String basePath) {
         this.basePath = basePath;
+        this.serverIndex = null;
         return this;
     }
 

samples/client/echo_api/java/okhttp-gson/src/main/java/org/openapitools/client/ApiClient.java

@@ -160,6 +160,7 @@ public class ApiClient {
      */
     public ApiClient setBasePath(String basePath) {
         this.basePath = basePath;
+        this.serverIndex = null;
         return this;
     }
 

samples/client/others/java/okhttp-gson-streaming/src/main/java/org/openapitools/client/ApiClient.java

@@ -160,6 +160,7 @@ public class ApiClient {
      */
     public ApiClient setBasePath(String basePath) {
         this.basePath = basePath;
+        this.serverIndex = null;
         return this;
     }
 

samples/client/petstore/java/jersey1/src/main/java/org/openapitools/client/ApiClient.java

@@ -170,6 +170,7 @@ public class ApiClient extends JavaTimeFormatter {
 
   public ApiClient setBasePath(String basePath) {
     this.basePath = basePath;
+    this.serverIndex = null;
     return this;
   }
 

samples/client/petstore/java/okhttp-gson-awsv4signature/src/main/java/org/openapitools/client/ApiClient.java

@@ -240,6 +240,7 @@ public class ApiClient {
      */
     public ApiClient setBasePath(String basePath) {
         this.basePath = basePath;
+        this.serverIndex = null;
         return this;
     }
 

samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/java/org/openapitools/client/ApiClient.java

@@ -253,6 +253,7 @@ public class ApiClient {
      */
     public ApiClient setBasePath(String basePath) {
         this.basePath = basePath;
+        this.serverIndex = null;
         return this;
     }
 

samples/client/petstore/java/okhttp-gson-group-parameter/src/main/java/org/openapitools/client/ApiClient.java

@@ -236,6 +236,7 @@ public class ApiClient {
      */
     public ApiClient setBasePath(String basePath) {
         this.basePath = basePath;
+        this.serverIndex = null;
         return this;
     }
 

samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/ApiClient.java

@@ -242,6 +242,7 @@ public class ApiClient {
      */
     public ApiClient setBasePath(String basePath) {
         this.basePath = basePath;
+        this.serverIndex = null;
         return this;
     }
 

samples/client/petstore/java/okhttp-gson-swagger1/src/main/java/org/openapitools/client/ApiClient.java

@@ -236,6 +236,7 @@ public class ApiClient {
      */
     public ApiClient setBasePath(String basePath) {
         this.basePath = basePath;
+        this.serverIndex = null;
         return this;
     }
 

samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/ApiClient.java

@@ -291,6 +291,7 @@ public class ApiClient {
      */
     public ApiClient setBasePath(String basePath) {
         this.basePath = basePath;
+        this.serverIndex = null;
         return this;
     }