test.foreachPartition(new ForeachPartitionFunction<Row>() {
public void call(Iterator<Row> t) throws Exception {
while (t.hasNext()){
Row row = t.next();
/*Vector testdata= new Vector();
testdata.add(row);
Logisticmodel.addRow(testdata);*/
System.out.print(row.getString(0) +"\t" + row.getString(1)+"\t" + row.getString(2)+"\t" + row.getString(3)+"\t" + row.getString(4)+"\t" + row.getString(5)+"\t" + row.getString(6)+"\t" + row.getString(7)+"\t" + row.getString(8)+"\t" + row.getString(9)+"\t" + row.getDouble(10)+"\t" +(org.apache.spark.ml.linalg.DenseVector) row.get(11));
//System.out.println();
}
}
});
test.foreachPartition(new ForeachPartitionFunction<Row>() {
public void call(Iterator<Row> t) throws Exception {
while (t.hasNext()){
Row row = t.next();
/*Vector testdata= new Vector();
testdata.add(row);
Logisticmodel.addRow(testdata);*/
System.out.print(row.getString(0) +"\t" + row.getString(1)+"\t" + row.getString(2)+"\t" + row.getString(3)+"\t" + row.getString(4)+"\t" + row.getString(5)+"\t" + row.getString(6)+"\t" + row.getString(7)+"\t" + row.getString(8)+"\t" + row.getString(9)+"\t" + row.getDouble(10)+"\t" +(org.apache.spark.ml.linalg.DenseVector) row.get(11));
//System.out.println();
}
}
});
我有上面的代码，并给我以下错误
org.apache.spark.SparkException: Task not serializable
at org.apache.spark.util.ClosureCleaner$.ensureSerializable(ClosureCleaner.scala:403)
at org.apache.spark.util.ClosureCleaner$.org$apache$spark$util$ClosureCleaner$$clean(ClosureCleaner.scala:393)
at org.apache.spark.util.ClosureCleaner$.clean(ClosureCleaner.scala:162)
at org.apache.spark.SparkContext.clean(SparkContext.scala:2326)
at org.apache.spark.rdd.RDD$$anonfun$foreachPartition$1.apply(RDD.scala:934)
at org.apache.spark.rdd.RDD$$anonfun$foreachPartition$1.apply(RDD.scala:933)
at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)
at org.apache.spark.rdd.RDD.withScope(RDD.scala:363)
at org.apache.spark.rdd.RDD.foreachPartition(RDD.scala:933)
at org.apache.spark.sql.Dataset$$anonfun$foreachPartition$1.apply$mcV$sp(Dataset.scala:2736)
at org.apache.spark.sql.Dataset$$anonfun$foreachPartition$1.apply(Dataset.scala:2736)
at org.apache.spark.sql.Dataset$$anonfun$foreachPartition$1.apply(Dataset.scala:2736)
at org.apache.spark.sql.Dataset$$anonfun$withNewRDDExecutionId$1.apply(Dataset.scala:3350)
at org.apache.spark.sql.execution.SQLExecution$$anonfun$withNewExecutionId$1.apply(SQLExecution.scala:78)
at org.apache.spark.sql.execution.SQLExecution$.withSQLConfPropagated(SQLExecution.scala:125)
at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:73)
at org.apache.spark.sql.Dataset.withNewRDDExecutionId(Dataset.scala:3346)
at org.apache.spark.sql.Dataset.foreachPartition(Dataset.scala:2735)
at org.apache.spark.sql.Dataset.foreachPartition(Dataset.scala:2747)
at LogisticRegression$3.actionPerformed(LogisticRegression.java:336)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$500(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.io.NotSerializableException: LogisticRegression$3
Serialization stack:
- object not serializable (class: LogisticRegression$3, value: LogisticRegression$3@66cd4e38)
- field (class: LogisticRegression$3$1, name: this$1, type: class LogisticRegression$3)
- object (class LogisticRegression$3$1, LogisticRegression$3$1@752a453c)
- field (class: org.apache.spark.sql.Dataset$$anonfun$foreachPartition$2, name: func$4, type: interface org.apache.spark.api.java.function.ForeachPartitionFunction)
- object (class org.apache.spark.sql.Dataset$$anonfun$foreachPartition$2, <function1>)
at org.apache.spark.serializer.SerializationDebugger$.improveException(SerializationDebugger.scala:40)
at org.apache.spark.serializer.JavaSerializationStream.writeObject(JavaSerializer.scala:46)
at org.apache.spark.serializer.JavaSerializerInstance.serialize(JavaSerializer.scala:100)
at org.apache.spark.util.ClosureCleaner$.ensureSerializable(ClosureCleaner.scala:400)
... 56 more