Fix legacy APPC handling of Request

Legacy APPC uses the same topic for both requests and responses.
Unfortunately, when the actor sees the request, thinking it's a
response, it throws an exception because it can't find the status
code.  Fixed.

Issue-ID: POLICY-2434
Signed-off-by: Jim Hahn <jrh3@att.com>
Change-Id: I6137fb21dbf1149ff2faca2407ba69be0de6d40b

2 files changed, 5 insertions, 4 deletions

diff --git a/models-interactions/model-actors/actor.appc/src/main/java/org/onap/policy/controlloop/actor/appc/AppcOperation.java b/models-interactions/model-actors/actor.appc/src/main/java/org/onap/policy/controlloop/actor/appc/AppcOperation.java
index 5e84871cc..3ed23957a 100644
--- a/models-interactions/model-actors/actor.appc/src/main/java/org/onap/policy/controlloop/actor/appc/AppcOperation.java
+++ b/models-interactions/model-actors/actor.appc/src/main/java/org/onap/policy/controlloop/actor/appc/AppcOperation.java
@@ -145,7 +145,9 @@ public abstract class AppcOperation extends BidirectionalTopicOperation<Request,
     @Override
     protected Status detmStatus(String rawResponse, Response response) {
         if (response.getStatus() == null) {
-            throw new IllegalArgumentException("APP-C response is missing the response status");
+            // no status - this must be a request, not a response - just ignore it
+            logger.info("{}: ignoring request message for {}", getFullName(), params.getRequestId());
+            return Status.STILL_WAITING;
         }
 
         ResponseCode code = ResponseCode.toResponseCode(response.getStatus().getCode());
diff --git a/models-interactions/model-actors/actor.appc/src/test/java/org/onap/policy/controlloop/actor/appc/AppcOperationTest.java b/models-interactions/model-actors/actor.appc/src/test/java/org/onap/policy/controlloop/actor/appc/AppcOperationTest.java
index 204d95aa1..30450d02a 100644
--- a/models-interactions/model-actors/actor.appc/src/test/java/org/onap/policy/controlloop/actor/appc/AppcOperationTest.java
+++ b/models-interactions/model-actors/actor.appc/src/test/java/org/onap/policy/controlloop/actor/appc/AppcOperationTest.java
@@ -177,10 +177,9 @@ public class AppcOperationTest extends BasicAppcOperation {
     public void testDetmStatusStringResponse() {
         final ResponseStatus status = response.getStatus();
 
-        // null status
+        // null status (i.e., it's a Request, not a Response)
         response.setStatus(null);
-        assertThatIllegalArgumentException().isThrownBy(() -> oper.detmStatus("", response))
-                        .withMessage("APP-C response is missing the response status");
+        assertEquals(Status.STILL_WAITING, oper.detmStatus("", response));
         response.setStatus(status);
 
         // invalid code