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via Stack Overflow by Kaushal
, 1 year ago
error reading Scala signature of org.apache.spark.ml.classification.NaiveBayesModel: assertion failed: class MLWriter
via scala-lang.org by Unknown author, 2 years ago
via scala-lang.org by Unknown author, 2 years ago
via GitHub by scabug
, 7 months ago
error reading Scala signature of Bean: bad symbolic reference to value Value in object Anno (a classfile may be missing)
via scala-lang.org by Unknown author, 2 years ago
error reading Scala signature of Bean: bad symbolic reference to value Value in object Anno (a classfile may be missing)
java.lang.RuntimeException: error reading Scala signature of org.apache.spark.ml.classification.NaiveBayesModel: assertion failed: class MLWriter	at scala.reflect.internal.pickling.UnPickler.unpickle(UnPickler.scala:45)	at scala.reflect.runtime.JavaMirrors$JavaMirror.unpickleClass(JavaMirrors.scala:565)	at scala.reflect.runtime.SymbolLoaders$TopClassCompleter.complete(SymbolLoaders.scala:32)	at scala.reflect.internal.Symbols$Symbol.info(Symbols.scala:1231)	at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:43)	at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:61)	at scala.reflect.internal.Mirrors$RootsBase.staticModuleOrClass(Mirrors.scala:72)	at scala.reflect.internal.Mirrors$RootsBase.staticClass(Mirrors.scala:119)	at scala.reflect.internal.Mirrors$RootsBase.staticClass(Mirrors.scala:21)	at org.apache.spark.ml.classification.NaiveBayesModel$NaiveBayesModelWriter$$typecreator1$1.apply(NaiveBayes.scala:264)	at scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe$lzycompute(TypeTags.scala:231)	at scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe(TypeTags.scala:231)	at org.apache.spark.sql.catalyst.ScalaReflection$class.localTypeOf(ScalaReflection.scala:642)	at org.apache.spark.sql.catalyst.ScalaReflection$.localTypeOf(ScalaReflection.scala:30)	at org.apache.spark.sql.catalyst.ScalaReflection$class.schemaFor(ScalaReflection.scala:630)	at org.apache.spark.sql.catalyst.ScalaReflection$.schemaFor(ScalaReflection.scala:30)	at org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:430)	at org.apache.spark.ml.classification.NaiveBayesModel$NaiveBayesModelWriter.saveImpl(NaiveBayes.scala:264)	at org.apache.spark.ml.util.MLWriter.save(ReadWrite.scala:90)	at org.apache.spark.ml.util.MLWritable$class.save(ReadWrite.scala:130)	at org.apache.spark.ml.classification.NaiveBayesModel.save(NaiveBayes.scala:130)	at $line61.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anonfun$1$$anonfun$apply$mcVI$sp$1.apply$mcV$sp(:65)	at $line61.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anonfun$1$$anonfun$apply$mcVI$sp$1.apply(:63)	at $line61.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anonfun$1$$anonfun$apply$mcVI$sp$1.apply(:63)	at scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24)	at scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)	at java.lang.Thread.run(Thread.java:745)