Fixed some javadoc warning/errors.
Fixed NPE error in objective tracker.
Preparing for upgrade to Java 8 and Karaf 3.0.2.
diff --git a/utils/misc/src/main/java/org/onlab/graph/TarjanGraphSearch.java b/utils/misc/src/main/java/org/onlab/graph/TarjanGraphSearch.java
index 4498939..5bf305e 100644
--- a/utils/misc/src/main/java/org/onlab/graph/TarjanGraphSearch.java
+++ b/utils/misc/src/main/java/org/onlab/graph/TarjanGraphSearch.java
@@ -32,12 +32,14 @@
/**
* {@inheritDoc}
- * <p/>
+ * <p>
* This implementation produces results augmented with information on
* SCCs within the graph.
- * <p/>
+ * </p>
+ * <p>
* To prevent traversal of an edge, the {@link EdgeWeight#weight} should
* return a negative value as an edge weight.
+ * </p>
*/
@Override
public SCCResult<V, E> search(Graph<V, E> graph, EdgeWeight<V, E> weight) {