Index: oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/observation/ConsolidatedListenerMBeanImpl.java
===================================================================
--- oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/observation/ConsolidatedListenerMBeanImpl.java	(revision 1761440)
+++ oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/observation/ConsolidatedListenerMBeanImpl.java	(working copy)
@@ -289,6 +289,7 @@
         static final String[] FIELD_NAMES = new String[]{
                 "index",
                 "className",
+                "toString",
                 "isDeep",
                 "nodeTypeNames",
                 "deliveries",
@@ -315,6 +316,7 @@
         static final OpenType[] FIELD_TYPES = new OpenType[]{
                 SimpleType.INTEGER,
                 SimpleType.STRING,
+                SimpleType.STRING,
                 SimpleType.BOOLEAN,
                 SimpleType.STRING,
                 SimpleType.LONG,
@@ -362,6 +364,7 @@
             Object[] values = new Object[]{
                     index,
                     mbeans.eventListenerMBean.getClassName(),
+                    mbeans.eventListenerMBean.getToString(),
                     mbeans.eventListenerMBean.isDeep(),
                     Arrays.toString(mbeans.eventListenerMBean.getNodeTypeName()),
                     mbeans.eventListenerMBean.getEventDeliveries(),
@@ -393,6 +396,7 @@
         static final String[] FIELD_NAMES = new String[]{
                 "index",
                 "className",
+                "toString",
                 "maxQueueSize",
                 "queueSize",
                 "localEventCount",