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/metrics/MetricsManager.java b/utils/misc/src/main/java/org/onlab/metrics/MetricsManager.java
index 2dd31aa..5fe22f7 100644
--- a/utils/misc/src/main/java/org/onlab/metrics/MetricsManager.java
+++ b/utils/misc/src/main/java/org/onlab/metrics/MetricsManager.java
@@ -49,8 +49,8 @@
* this class, but are allocated by the caller and passed in for registration:
* <pre>
* <code>
- * private final Gauge<Long> gauge =
- * new {@literal Gauge<Long>}() {
+ * private final Gauge<Long> gauge =
+ * new {@literal Gauge<Long>}() {
* {@literal @}Override
* public Long getValue() {
* return gaugeValue;