Bug on ComputableMonitor Timout

[zhangpengshan]

java.lang.NullPointerException: data and className should not be null. data:null, className:ml.shifu.shifu.core.dtrain.NNParams
at ml.shifu.guagua.io.BytableSerializer.bytesToObject(BytableSerializer.java:77)
at ml.shifu.guagua.master.NettyMasterCoordinator$3$1.next(NettyMasterCoordinator.java:402)
at ml.shifu.guagua.master.NettyMasterCoordinator$3$1.next(NettyMasterCoordinator.java:375)
at ml.shifu.shifu.core.dtrain.NNMaster.compute(NNMaster.java:163)
at ml.shifu.shifu.core.dtrain.NNMaster.compute(NNMaster.java:52)
at ml.shifu.guagua.master.GuaguaMasterService.iterate(GuaguaMasterService.java:254)
at ml.shifu.guagua.master.GuaguaMasterService.run(GuaguaMasterService.java:190)
at ml.shifu.guagua.mapreduce.GuaguaMapper.run(GuaguaMapper.java:136)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:647)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:323)
at org.apache.hadoop.mapred.Child$4.run(Child.java:270)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1177)
at org.apache.hadoop.mapred.Child.main(Child.java:264)