This repository was archived by the owner on May 3, 2022. It is now read-only.
This repository was archived by the owner on May 3, 2022. It is now read-only.
ALS app: java.lang.ClassCastException: java.lang.Object cannot be cast to java.lang.String #304
Description
Reports of a strange ClassCastException in ALS in master / 2.3:
2016-08-18 17:17:18,768 INFO ALSServingModelManager:97 ALSServingModel[features:30, implicit:true, X:(7640666 users), Y:(1613282 items, partitions: [0:104911, 1:10022, 2:44695, 3:26323, 4:50937, 5:36393, 6:99643, 7:54777, 8:17366, 9:28681, 10:131557, 11:31438, 12:33617, 13:24153, 14:111447, 15:43643, ...]...), fractionLoaded:0.99938]
2016-08-18 17:17:18,867 INFO ALSServingModelManager:104 Loading new model
2016-08-18 17:17:24,141 INFO AbstractOryxResource:86 Model loaded fraction: 0.9996865
2016-08-18 17:17:24,460 INFO ALSServingModelManager:115 Updating model
2016-08-18 17:17:49,084 ERROR ModelManagerListener:144 Error while consuming updates
java.lang.ClassCastException: java.lang.Object cannot be cast to java.lang.String
at net.openhft.koloboke.collect.impl.hash.MutableSeparateKVObjLHashGO.removeIf(MutableSeparateKVObjLHashGO.java:275)
at com.cloudera.oryx.app.serving.als.model.ALSServingModel.lambda$retainRecentAndKnownItems$7(ALSServingModel.java:437)
at net.openhft.koloboke.collect.impl.hash.MutableLHashParallelKVObjObjMapGO$ValueView.forEach(MutableLHashParallelKVObjObjMapGO.java:2228)
at com.cloudera.oryx.app.serving.als.model.ALSServingModel.retainRecentAndKnownItems(ALSServingModel.java:435)
at com.cloudera.oryx.app.serving.als.model.ALSServingModelManager.consume(ALSServingModelManager.java:119)
at com.cloudera.oryx.lambda.serving.ModelManagerListener.lambda$contextInitialized$1(ModelManagerListener.java:142)
at com.cloudera.oryx.common.lang.LoggingCallable.lambda$log$0(LoggingCallable.java:48)
at com.cloudera.oryx.common.lang.LoggingCallable.lambda$asRunnable$1(LoggingCallable.java:66)
at java.lang.Thread.run(Thread.java:745)
2016-08-18 17:17:49,086 INFO ModelManagerListener:177 ModelManagerListener closing
2016-08-18 17:17:49,086 INFO ModelManagerListener:179 Shutting down model manager
2016-08-18 17:17:49,086 INFO ModelManagerListener:184 Shutting down input producer
2016-08-18 17:17:49,086 INFO Producer:68 Shutting down producer