Try loading features as Val userfeatures = sc.objectFile(path1) Val productFeatures = sc.objectFile(path2)
And then call the constructor of the MatrixFsgtorizationModel with those. Sent with Good (www.good.com) -----Original Message----- From: wanbo [gewa...@163.com<mailto:gewa...@163.com>] Sent: Wednesday, January 07, 2015 10:54 PM Eastern Standard Time To: user@spark.apache.org Subject: Re: MatrixFactorizationModel serialization I save and reload model like this: val bestModel = ALS.train(training, rank, numIter, lambda) bestModel.get.userFeatures.saveAsObjectFile("hdfs://***:9000/spark/results/userfeatures") bestModel.get.productFeatures.saveAsObjectFile("hdfs://***:9000/spark/results/productfeatures") val bestModel = obj.asInstanceOf[MatrixFactorizationModel] bestModel.userFeatures.sparkContext.objectFile("hdfs://***:9000/spark/results/userfeatures") bestModel.productFeatures.sparkContext.objectFile("hdfs://***:9000/spark/results/productfeatures") But, there has same exception: Exception in thread "Driver" java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.spark.deploy.yarn.ApplicationMaster$$anon$2.run(ApplicationMaster.scala:162) Caused by: java.lang.NullPointerException at com.ft.jobs.test.ModelDeserialization$.main(ModelDeserialization.scala:138) at com.ft.jobs.test.ModelDeserialization.main(ModelDeserialization.scala) ... 5 more Have fixed this issue? -- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/MatrixFactorizationModel-serialization-tp18389p21024.html Sent from the Apache Spark User List mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@spark.apache.org For additional commands, e-mail: user-h...@spark.apache.org ________________________________________________________ The information contained in this e-mail is confidential and/or proprietary to Capital One and/or its affiliates. The information transmitted herewith is intended only for use by the individual or entity to which it is addressed. If the reader of this message is not the intended recipient, you are hereby notified that any review, retransmission, dissemination, distribution, copying or other use of, or taking of any action in reliance upon this information is strictly prohibited. If you have received this communication in error, please contact the sender and delete the material from your computer.
