jakartified adaptation of the #5282 Signed-off-by: Maxim Nesen <maxim.nesen@oracle.com>

diff --git a/core-server/src/main/java/org/glassfish/jersey/server/internal/routing/AbstractMethodSelectingRouter.java b/core-server/src/main/java/org/glassfish/jersey/server/internal/routing/AbstractMethodSelectingRouter.java
index 76e96aa..6416ed4 100644
--- a/core-server/src/main/java/org/glassfish/jersey/server/internal/routing/AbstractMethodSelectingRouter.java
+++ b/core-server/src/main/java/org/glassfish/jersey/server/internal/routing/AbstractMethodSelectingRouter.java

@@ -201,10 +201,10 @@
         /**
          * Determines whether this {@code ConsumesProducesAcceptor} router can process the {@code request}.
          *
-         * @param requestContext The request to be tested.
+         * @param contentType The media type of the {@code request} to be tested (can be NULL).
          * @return True if the {@code request} can be processed by this router, false otherwise.
          */
-        abstract boolean isConsumable(ContainerRequest requestContext);
+        abstract boolean isConsumable(MediaType contentType);
 
         @Override
         public String toString() {
@@ -400,8 +400,8 @@
         final List<ConsumesProducesAcceptor> satisfyingAcceptors = new LinkedList<>();
         final Set<ResourceMethod> differentInvokableMethods = Collections.newSetFromMap(new IdentityHashMap<>());
         final MediaType requestContentType = request.getMediaType();
-        for (ConsumesProducesAcceptor cpi : acceptors) {
-            if (cpi.isConsumable(request)) {
+        for (final ConsumesProducesAcceptor cpi : acceptors) {
+            if (cpi.isConsumable(requestContentType)) {
                 satisfyingAcceptors.add(cpi);
                 differentInvokableMethods.add(cpi.methodRouting.method);
             }

diff --git a/core-server/src/main/java/org/glassfish/jersey/server/internal/routing/OctetStreamMethodSelectingRouter.java b/core-server/src/main/java/org/glassfish/jersey/server/internal/routing/OctetStreamMethodSelectingRouter.java
index 47b30a8..c7cc880 100644
--- a/core-server/src/main/java/org/glassfish/jersey/server/internal/routing/OctetStreamMethodSelectingRouter.java
+++ b/core-server/src/main/java/org/glassfish/jersey/server/internal/routing/OctetStreamMethodSelectingRouter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2021 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2023 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0, which is available at
@@ -65,11 +65,11 @@
         /**
          * Determines whether this {@code ConsumesProducesAcceptor} router can process the {@code request}.
          *
-         * @param requestContext The request to be tested.
+         * @param contentType The media type of the {@code request} to be tested (can be NULL).
          * @return True if the {@code request} can be processed by this router, false otherwise.
          */
-        boolean isConsumable(ContainerRequest requestContext) {
-            MediaType contentType = requestContext.getMediaType();
+        @Override
+        boolean isConsumable(MediaType contentType) {
             if (contentType == null && methodRouting.method.getType() != ResourceMethod.JaxrsType.SUB_RESOURCE_LOCATOR
                     && methodRouting.method.getInvocable().requiresEntity()) {
                 contentType = MediaType.APPLICATION_OCTET_STREAM_TYPE;

diff --git a/core-server/src/main/java/org/glassfish/jersey/server/internal/routing/WildcardMethodSelectingRouter.java b/core-server/src/main/java/org/glassfish/jersey/server/internal/routing/WildcardMethodSelectingRouter.java
index c9f2e49..6559d33 100644
--- a/core-server/src/main/java/org/glassfish/jersey/server/internal/routing/WildcardMethodSelectingRouter.java
+++ b/core-server/src/main/java/org/glassfish/jersey/server/internal/routing/WildcardMethodSelectingRouter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2021 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2023 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0, which is available at
@@ -68,11 +68,11 @@
         /**
          * Determines whether this {@code ConsumesProducesAcceptor} router can process the {@code request}.
          *
-         * @param requestContext The request to be tested.
+         * @param contentType The media type of the {@code request} to be tested (can be NULL).
          * @return True if the {@code request} can be processed by this router, false otherwise.
          */
-        boolean isConsumable(ContainerRequest requestContext) {
-            MediaType contentType = requestContext.getMediaType();
+        @Override
+        boolean isConsumable(MediaType contentType) {
             return contentType == null || consumes.getMediaType().isCompatible(contentType);
         }
     }