[ML]Fix the bug where the run() function of ExecutableInferenceRequest throws an exception when get inferenceEntityId. (#112135) (#112393)

Co-authored-by: Huaixinww <141887897+Huaixinww@users.noreply.github.com>

Author: davidkyle

docs/changelog/112135.yaml

@@ -0,0 +1,4 @@
+pr: 112135 
+summary: Fix the bug where the run() function of ExecutableInferenceRequest throws an exception when get inferenceEntityId.
+area: Inference 
+type: bug

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/external/http/sender/ExecutableInferenceRequest.java

@@ -30,7 +30,7 @@ record ExecutableInferenceRequest(
 
     @Override
     public void run() {
-        var inferenceEntityId = request.createHttpRequest().inferenceEntityId();
+        var inferenceEntityId = request.getInferenceEntityId();
 
         try {
             requestSender.send(logger, request, HttpClientContext.create(), hasFinished, responseHandler, listener);

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/external/request/amazonbedrock/AmazonBedrockRequest.java

@@ -37,12 +37,10 @@ public AmazonBedrockModel model() {
 
     /**
      * Amazon Bedrock uses the AWS SDK, and will not create its own Http Request
-     * But, this is needed for the ExecutableInferenceRequest to get the inferenceEntityId
-     * @return NoOp request
      */
     @Override
     public final HttpRequest createHttpRequest() {
-        return new HttpRequest(new NoOpHttpRequest(), inferenceId);
+        throw new UnsupportedOperationException("Amazon Bedrock does not use Http Requests");
     }
 
     /**