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Errors in FtrlFMExample.scala #735

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syw2014 opened this issue Apr 22, 2019 · 1 comment
Open

Errors in FtrlFMExample.scala #735

syw2014 opened this issue Apr 22, 2019 · 1 comment

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@syw2014
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syw2014 commented Apr 22, 2019

version: 2.1.0
platform: spark-on-angel
Error1: There were no opt.load and opt.save function
Error2:
java.io.NotSerializableException: com.tencent.angel.ml.feature.LabeledData
Serialization stack:
- object not serializable (class: com.tencent.angel.ml.feature.LabeledData, value: com.tencent.angel.ml.feature.LabeledData@3a82bbce)
at org.apache.spark.serializer.SerializationDebugger$.improveException(SerializationDebugger.scala:40)
at org.apache.spark.serializer.JavaSerializationStream.writeObject(JavaSerializer.scala:46)
at org.apache.spark.serializer.SerializationStream.writeAll(Serializer.scala:141)
at org.apache.spark.serializer.SerializerManager.dataSerializeStream(SerializerManager.scala:171)
at org.apache.spark.storage.BlockManager$$anonfun$doPutIterator$1$$anonfun$apply$8.apply(BlockManager.scala:992)
at org.apache.spark.storage.BlockManager$$anonfun$doPutIterator$1$$anonfun$apply$8.apply(BlockManager.scala:991)
at org.apache.spark.storage.DiskStore.put(DiskStore.scala:57)
at org.apache.spark.storage.BlockManager$$anonfun$doPutIterator$1.apply(BlockManager.scala:991)
at org.apache.spark.storage.BlockManager$$anonfun$doPutIterator$1.apply(BlockManager.scala:948)
at org.apache.spark.storage.BlockManager.doPut(BlockManager.scala:888)
at org.apache.spark.storage.BlockManager.doPutIterator(BlockManager.scala:948)
at org.apache.spark.storage.BlockManager.getOrElseUpdate(BlockManager.scala:694)
at org.apache.spark.rdd.RDD.getOrCompute(RDD.scala:334)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:285)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:87)
at org.apache.spark.scheduler.Task.run(Task.scala:99)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:282)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
@rachelsunrh
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maybe you can pull the new code again from branch-2.1.0 , in which there are functions, such as : save(path), saveWeight(path) and load(path).
https://github.com/Angel-ML/angel/blob/branch-2.1.0/spark-on-angel/mllib/src/main/scala/com/tencent/angel/spark/ml/online_learning/FtrlFM.scala

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@syw2014 @rachelsunrh