Exception in thread “main“ java.lang.UnsupportedOperationException: Schema for type Any is not suppo
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报错信息
Exception in thread "main" java.lang.UnsupportedOperationException: Schema for type Any is not supported
at org.apache.spark.sql.catalyst.ScalaReflection$$anonfun$schemaFor$1.apply(ScalaReflection.scala:809)
at org.apache.spark.sql.catalyst.ScalaReflection$$anonfun$schemaFor$1.apply(ScalaReflection.scala:740)
at scala.reflect.internal.tpe.TypeConstraints$UndoLog.undo(TypeConstraints.scala:56)
at org.apache.spark.sql.catalyst.ScalaReflection$class.cleanUpReflectionObjects(ScalaReflection.scala:926)
at org.apache.spark.sql.catalyst.ScalaReflection$.cleanUpReflectionObjects(ScalaReflection.scala:49)
at org.apache.spark.sql.catalyst.ScalaReflection$.schemaFor(ScalaReflection.scala:739)
at org.apache.spark.sql.catalyst.ScalaReflection$.schemaFor(ScalaReflection.scala:736)
at org.apache.spark.sql.UDFRegistration.register(UDFRegistration.scala:192)
at com.jn.Spark$.main(Spark.scala:66)
at com.jn.Spark.main(Spark.scala)
报错是不支持类型any的架构,spark udf自定义函数报这个错是因为返回值类型不一致,改成一样的返回类型就可以了,但我这里犯的错误是写的if与else if 没有else,当两个判断条件都不满足时就会报不支持的类型
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 1
-
场景:eclipse中编写java中用到数组
- 问题:
程序不报错但是运行过程中 终止,显示字样
“
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 1
”
- 截图:
- 原因:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException
这句话表示异常出现在main这个线程里面,错误是java.lang.ArrayIndexOutOfBoundsException。这个错误是你下标获取超出范围了,一般是例如你数组长度为2.但是你获取数组[3].这时候就会报这个错
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