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https://issues.apache.org/jira/browse/SPARK-2575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14073329#comment-14073329
 ] 

Xiangrui Meng commented on SPARK-2575:
--------------------------------------

[~dbtsai] sent a PR for multinomial logistic regression: 
https://github.com/apache/spark/pull/1379

Btw, is your problem solved?

> SVMWithSGD throwing Input Validation failed 
> --------------------------------------------
>
>                 Key: SPARK-2575
>                 URL: https://issues.apache.org/jira/browse/SPARK-2575
>             Project: Spark
>          Issue Type: Bug
>          Components: MLlib
>    Affects Versions: 1.0.1
>            Reporter: navanee
>
> SVMWithSGD throwing Input Validation failed while using Sparse Array as 
> Input. Though SVMWihtSGD accepts LibSVM format.
> Exception trace :
> org.apache.spark.SparkException: Input validation failed.
>       at 
> org.apache.spark.mllib.regression.GeneralizedLinearAlgorithm.run(GeneralizedLinearAlgorithm.scala:145)
>       at 
> org.apache.spark.mllib.regression.GeneralizedLinearAlgorithm.run(GeneralizedLinearAlgorithm.scala:124)
>       at 
> org.apache.spark.mllib.classification.SVMWithSGD$.train(SVM.scala:154)
>       at 
> org.apache.spark.mllib.classification.SVMWithSGD$.train(SVM.scala:188)
>       at org.apache.spark.mllib.classification.SVMWithSGD.train(SVM.scala)
>       at com.xurmo.ai.hades.classification.algo.Svm.train(Svm.java:143)
>       at 
> com.xurmo.ai.hades.classification.algo.SimpleSVMTest.generateModelFile(SimpleSVMTest.java:172)
>       at 
> com.xurmo.ai.hades.classification.algo.SimpleSVMTest.trainSampleDataTest(SimpleSVMTest.java:65)
>       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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
>       at 
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
>       at 
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
>       at 
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
>       at 
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
>       at 
> org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
>       at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
>       at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
>       at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
>       at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
>       at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
>       at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
>       at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
>       at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
>       at 
> org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
>       at 
> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
>       at 
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
>       at 
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
>       at 
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
>       at 
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)



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