pnf service instantiation fix - IndexOutOfBoundsException

Issue-ID: SO-3322
Signed-off-by: Lukasz Muszkieta <lukasz.muszkieta@nokia.com>
Change-Id: I6c978cbe788281eac25fa7be6f4ff24c4bff9810
Signed-off-by: Lukasz Muszkieta <lukasz.muszkieta@nokia.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowAction.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowAction.java
index d9ad245e76..7c4f735577 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowAction.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowAction.java
@@ -30,6 +30,7 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
+import java.util.Comparator;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
@@ -1663,8 +1664,11 @@ public class WorkflowAction {
                 execution.setVariable(BBConstants.G_ISTOPLEVELFLOW, northBoundRequest.getIsToplevelflow());
             }
             List<OrchestrationFlow> flows = northBoundRequest.getOrchestrationFlowList();
-            if (flows == null)
+            if (flows == null) {
                 flows = new ArrayList<>();
+            } else {
+                flows.sort(Comparator.comparingInt(OrchestrationFlow::getSequenceNumber));
+            }
             for (OrchestrationFlow flow : flows) {
                 if (!flow.getFlowName().contains("BB") && !flow.getFlowName().contains("Activity")) {
                     List<OrchestrationFlow> macroQueryFlows =