Issue

• after invoking "browseMessages(java.lang.String)" on a destination through hawtio, memory consumption increases rapidly and results in an OutOfMemoryException. Observed the following pattern in the dominator tree from the heap dump

Class Name                                                           | Shallow Heap | Retained Heap | Percentage
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java.lang.Thread @ 0xe492b2a8  qtp1100965499-152 Thread              |          104 |   382,895,032 |     92.28%
|- org.json.simple.JSONArray @ 0xe4b13230                            |           24 |   357,410,592 |     86.14%
|- org.json.simple.JSONObject @ 0xda17ef70                           |           48 |    22,346,680 |      5.39%
|- org.json.simple.JSONObject @ 0xdb6ec398                           |           48 |     2,195,904 |      0.53%
|- org.json.simple.JSONObject @ 0xdb911848                           |           48 |       483,792 |      0.12%
|- org.json.simple.JSONObject @ 0xdb988c20                           |           48 |       256,048 |      0.06%
|- org.json.simple.JSONObject @ 0xda1690d0                           |           48 |        84,464 |      0.02%
|- org.json.simple.JSONObject @ 0xdb9049f0                           |           48 |        52,432 |      0.01%
|- org.json.simple.JSONObject @ 0xda161840                           |           48 |        26,704 |      0.01%
|- org.json.simple.JSONObject @ 0xda15aa68                           |           48 |        14,944 |      0.00%
|- org.json.simple.JSONObject @ 0xda15f9b8                           |           48 |         7,256 |      0.00%
|- java.lang.ThreadLocal$ThreadLocalMap @ 0xe49595e8                 |           24 |         6,112 |      0.00%
|- org.json.simple.JSONObject @ 0xdba156b8                           |           48 |         3,456 |      0.00%
|- org.jolokia.converter.json.ObjectSerializationContext @ 0xe4b12fb8|           32 |         1,056 |      0.00%
|- org.json.simple.JSONObject @ 0xe4b132f0                           |           48 |           776 |      0.00%
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