SONAR suggestion - generic exceptions

Replace uses of generic RuntimeException
with more appropriate unchecked exceptions

Change-Id: If283743c2cf7252b8d280bdb788708ebbe57da9d
diff --git a/apps/p4-tutorial/pipeconf/src/main/java/org/onosproject/p4tutorial/pipeconf/PipeconfFactory.java b/apps/p4-tutorial/pipeconf/src/main/java/org/onosproject/p4tutorial/pipeconf/PipeconfFactory.java
index a1e65aa..5d37bd1 100644
--- a/apps/p4-tutorial/pipeconf/src/main/java/org/onosproject/p4tutorial/pipeconf/PipeconfFactory.java
+++ b/apps/p4-tutorial/pipeconf/src/main/java/org/onosproject/p4tutorial/pipeconf/PipeconfFactory.java
@@ -67,7 +67,7 @@
         try {
             pipelineModel = P4InfoParser.parse(P4INFO_URL);
         } catch (P4InfoParserException e) {
-            throw new RuntimeException(e);
+            throw new IllegalStateException(e);
         }
 
         return DefaultPiPipeconf.builder()