BUG: integrator data learn creates exeception

[buggsley]

java.lang.NullPointerException
at learn.LearnModel.genBinsRates(LearnModel.java:1495)
at learn.LearnModel.learnModel(LearnModel.java:296)
at learn.LearnLHPN.run(LearnLHPN.java:2420)
at java.lang.Thread.run(Thread.java:680)
java.lang.NullPointerException
at learn.LearnModel.genBinsRates(LearnModel.java:1495)
at learn.LearnModel.learnModel(LearnModel.java:309)
at learn.LearnLHPN.run(LearnLHPN.java:2420)
at java.lang.Thread.run(Thread.java:680)
java.lang.NullPointerException
at learn.LearnModel.getMinRate(LearnModel.java:3154)
at learn.LearnModel.updateGraph(LearnModel.java:2027)
at learn.LearnModel.learnModel(LearnModel.java:311)
at learn.LearnLHPN.run(LearnLHPN.java:2420)
at java.lang.Thread.run(Thread.java:680)
java.lang.NullPointerException
at learn.LearnLHPN.mergeLhpns(LearnLHPN.java:5549)
at learn.LearnLHPN.run(LearnLHPN.java:2426)
at java.lang.Thread.run(Thread.java:680)
java.lang.NullPointerException
at learn.LearnModel.getMinRate(LearnModel.java:3154)
at learn.LearnModel.updateGraph(LearnModel.java:2027)
at learn.LearnModel.learnModel(LearnModel.java:311)
at learn.LearnLHPN.run(LearnLHPN.java:2420)
at java.lang.Thread.run(Thread.java:680)
java.lang.NullPointerException
at learn.LearnLHPN.mergeLhpns(LearnLHPN.java:5549)
at learn.LearnLHPN.run(LearnLHPN.java:2426)
at java.lang.Thread.run(Thread.java:680)
java.lang.NullPointerException
at learn.LearnModel.getMinRate(LearnModel.java:3154)
at learn.LearnModel.updateGraph(LearnModel.java:2027)
at learn.LearnModel.learnModel(LearnModel.java:311)
at learn.LearnLHPN.run(LearnLHPN.java:2420)
at java.lang.Thread.run(Thread.java:680)
java.lang.NullPointerException
at learn.LearnLHPN.mergeLhpns(LearnLHPN.java:5549)
at learn.LearnLHPN.run(LearnLHPN.java:2426)
at java.lang.Thread.run(Thread.java:680)
java.lang.NullPointerException
at learn.LearnModel.getMinRate(LearnModel.java:3154)
at learn.LearnModel.updateGraph(LearnModel.java:2027)
at learn.LearnModel.learnModel(LearnModel.java:311)
at learn.LearnLHPN.run(LearnLHPN.java:2420)
at java.lang.Thread.run(Thread.java:680)
java.lang.NullPointerException
at learn.LearnLHPN.mergeLhpns(LearnLHPN.java:5549)
at learn.LearnLHPN.run(LearnLHPN.java:2426)
at java.lang.Thread.run(Thread.java:680)
java.lang.NullPointerException
java.lang.NullPointerException
java.lang.NullPointerException
at learn.LearnModel.getMinRate(LearnModel.java:3154)
at learn.LearnModel.updateGraph(LearnModel.java:2027)
at learn.LearnModel.learnModel(LearnModel.java:311)
at learn.LearnLHPN.run(LearnLHPN.java:2420)
at java.lang.Thread.run(Thread.java:680)
java.lang.NullPointerException
at learn.LearnLHPN.mergeLhpns(LearnLHPN.java:5549)
at learn.LearnLHPN.run(LearnLHPN.java:2426)
at java.lang.Thread.run(Thread.java:680)
java.lang.NullPointerException
at learn.LearnModel.getMinRate(LearnModel.java:3154)
at learn.LearnModel.updateGraph(LearnModel.java:2027)
at learn.LearnModel.learnModel(LearnModel.java:311)
at learn.LearnLHPN.run(LearnLHPN.java:2420)
at java.lang.Thread.run(Thread.java:680)
java.lang.NullPointerException
at learn.LearnLHPN.mergeLhpns(LearnLHPN.java:5549)
at learn.LearnLHPN.run(LearnLHPN.java:2426)
at java.lang.Thread.run(Thread.java:680)
java.lang.NullPointerException
java.lang.NullPointerException
java.lang.NullPointerException
java.lang.NullPointerException
java.lang.NullPointerException
java.lang.NullPointerException
java.lang.NullPointerException
java.lang.NullPointerException
java.lang.NullPointerException
java.lang.NullPointerException
java.lang.NullPointerException
java.lang.NullPointerException
java.lang.NullPointerException
java.lang.NullPointerException