Did you get any error in the Errog Market Log? (You could try to search in the Exchange directory into the Error Log Folder).
this: !?
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2014-11-13 17:27:23 - DOGE/BTC Error Lookup Exception : null
2014-11-13 17:27:23 - java.lang.NullPointerException
2014-11-13 17:28:01 - DOGE/BTC Error Lookup Exception : null
2014-11-13 17:28:01 - java.lang.NullPointerException
2014-11-13 17:28:38 - DOGE/BTC Error Lookup Exception : null
2014-11-13 17:28:38 - java.lang.NullPointerException
2014-11-13 17:29:18 - DOGE/BTC Error Lookup Exception : null
2014-11-13 17:29:18 - java.lang.NullPointerException
2014-11-13 17:29:59 - DOGE/BTC Error Lookup Exception : null
2014-11-13 17:29:59 - java.lang.NullPointerException
2014-11-13 17:30:39 - DOGE/BTC Error Lookup Exception : null
2014-11-13 17:30:39 - java.lang.NullPointerException
2014-11-13 17:31:18 - DOGE/BTC Error Lookup Exception : null
2014-11-13 17:31:18 - java.lang.NullPointerException
.....
2014-11-13 16:25:06 - DOGE/BTC Error Lookup Exception : null
2014-11-13 16:25:06 - java.lang.NullPointerException
at CAT.pingPong.CoreOrderEnv.PPOrderCalculatorRules.calculateOrderPrice(PPOrderCalculatorRules.java:90)
at CAT.pingPong.CoreOrderEnv.PPOrderCalculatorRules.calculateNewOrderFromTrade(PPOrderCalculatorRules.java:71)
at CAT.pingPong.Core.PPPingPong.checkTradePing(PPPingPong.java:164)
at CAT.pingPong.Core.PPPingPong.lookup(PPPingPong.java:78)
at CAT.pingPong.Core.PPPingPong.startLookup(PPPingPong.java:52)
at CAT.pingPong.Core.PPAlgoMaster$1.run(PPAlgoMaster.java:92)
at java.util.TimerThread.mainLoop(Unknown Source)
at java.util.TimerThread.run(Unknown Source)
2014-11-13 13:06:34 - DOGE/BTC Error Lookup Exception : null
2014-11-13 13:06:34 - java.lang.NullPointerException
at CAT.pingPong.CoreOrderEnv.PPOrderCalculatorRules.calculateOrderPrice(PPOrderCalculatorRules.java:90)
at CAT.pingPong.CoreOrderEnv.PPOrderCalculatorRules.calculateNewOrderFromTrade(PPOrderCalculatorRules.java:71)
at CAT.pingPong.Core.PPPingPong.checkTradePing(PPPingPong.java:164)
at CAT.pingPong.Core.PPPingPong.lookup(PPPingPong.java:78)
at CAT.pingPong.Core.PPPingPong.startLookup(PPPingPong.java:52)
at CAT.pingPong.Core.PPAlgoMaster$1.run(PPAlgoMaster.java:92)
at java.util.TimerThread.mainLoop(Unknown Source)
at java.util.TimerThread.run(Unknown Source)
2014-11-13 13:07:15 - DOGE/BTC Error Lookup Exception : null
2014-11-13 13:07:15 - java.lang.NullPointerException
at CAT.pingPong.CoreOrderEnv.PPOrderCalculatorRules.calculateOrderPrice(PPOrderCalculatorRules.java:90)
at CAT.pingPong.CoreOrderEnv.PPOrderCalculatorRules.calculateNewOrderFromTrade(PPOrderCalculatorRules.java:71)
at CAT.pingPong.Core.PPPingPong.checkTradePing(PPPingPong.java:164)
at CAT.pingPong.Core.PPPingPong.lookup(PPPingPong.java:78)
at CAT.pingPong.Core.PPPingPong.startLookup(PPPingPong.java:5
there is a lot of such!