one more fix

Signed-off-by: Dmitrii Tikhomirov <[email protected]>

Author: treblereel

impl/http/src/main/java/io/serverlessworkflow/impl/executors/http/oauth/AccessTokenProvider.java

@@ -45,12 +45,7 @@ public class AccessTokenProvider {
 
   public JWT validateAndGet() {
     Map<String, Object> token = tokenResponseHandler.apply(invocation, context);
-    JWT jwt;
-    try {
-      jwt = jwtConverter.fromToken((String) token.get("access_token"));
-    } catch (IllegalArgumentException e) {
-      throw new IllegalStateException("Failed to parse JWT token: " + e.getMessage(), e);
-    }
+    JWT jwt = jwtConverter.fromToken((String) token.get("access_token"));
     if (!(issuers == null || issuers.isEmpty())) {
       String tokenIssuer = (String) jwt.getClaim("iss");
       if (tokenIssuer == null || tokenIssuer.isEmpty() || !issuers.contains(tokenIssuer)) {

impl/http/src/main/java/io/serverlessworkflow/impl/executors/http/oauth/TokenResponseHandler.java

@@ -20,6 +20,7 @@
 import io.serverlessworkflow.impl.WorkflowException;
 import jakarta.ws.rs.ProcessingException;
 import jakarta.ws.rs.client.ResponseProcessingException;
+import jakarta.ws.rs.core.GenericType;
 import jakarta.ws.rs.core.Response;
 import java.util.Map;
 import java.util.function.BiFunction;
@@ -41,7 +42,7 @@ public Map<String, Object> apply(InvocationHolder invocation, TaskContext contex
                         + response.getEntity())
                 .build());
       }
-      return (Map<String, Object>) response.readEntity(Map.class);
+      return response.readEntity(new GenericType<>() {});
     } catch (ResponseProcessingException e) {
       throw new WorkflowException(
           WorkflowError.communication(