【spark提示Caused by: java.lang.ClassCastException: scala.collection.mutable.WrappedArray$ofRef cannot be cast to [Lscala.collection.immutable.Map;】的更多相关文章

spark提示Caused by: java.lang.ClassCastException: scala.collection.mutable.WrappedArray$ofRef cannot be cast to [Lscala.collection.immutable.Map;

spark提示Caused by: java.lang.ClassCastException: scala.collection.mutable.WrappedArray$ofRef cannot be cast to [Lscala.collection.immutable.Map; 起因 编写了一个处理两列是否相等的UDF,这两列的数据结构是一样的,但是结构比较复杂,如下: |-- list: array (nullable = true) | |-- element: map (conta…

hive orc压缩数据异常java.lang.ClassCastException: org.apache.hadoop.io.Text cannot be cast to org.apache.hadoop.hive.ql.io.orc.OrcSerde$OrcSerdeRow

hive表在创建时候指定存储格式 STORED AS ORC tblproperties ('orc.compress'='SNAPPY'); 当insert数据到表时抛出异常 Caused by: java.lang.ClassCastException: org.apache.hadoop.io.Text cannot be cast to org.apache.hadoop.hive.ql.io.orc.OrcSerde$OrcSerdeRow at org.apache.hadoop.h…

sbt spark2.3.1 idea打包Caused by: java.lang.ClassNotFoundException: scala.Product$class

今天同事在服务区上面装的是最新版本的hadoop3.10和spark2.3.1,因为用scala开发, 所以我想用sbt进行开发.过程中遇到各种坑,刚开始用的jdk10,结果也报错,后来改成jdk1.8. 又报了新的错误.开始用的是scala2.12.6 如果不要使用spark的纯scala项目则不报错,但只要是spark的包引用则报错,则统统报错. Caused by: java.lang.ClassNotFoundException: scala.Product$class 后来修改buil…

关于android使用ksoap2报Caused by: java.lang.ClassCastException: org.ksoap2.SoapFault cannot be cast to org.ksoap2.serialization.SoapObject

Caused by: java.lang.ClassCastException: org.ksoap2.SoapFault cannot be cast to org.ksoap2.serialization.SoapObject 报这种类似的错误的,困扰了我挺久.偶尔报不是一直报. 原来是少了一个判断,因为服务器每次返回的不一定是我们想要的结果. 见图 困惑了好久,最后在 stackoverflow 里面才找到答案. 大概就是服务器异常的时候会导致这个,难怪我程序会崩溃有些时候,比如某个地方本…

Caused by: java.lang.ClassCastException: org.springframework.web.SpringServletContainerInitializer cannot be cast to javax.servlet.ServletContainerInitializer错误解决办法

严重: Failed to initialize end point associated with ProtocolHandler ["http-bio-8080"] java.net.BindException: Address already in use <null>:8080 at org.apache.tomcat.util.net.JIoEndpoint.bind(JIoEndpoint.java:407) at org.apache.tomcat.util.…

Caused by: java.lang.ClassCastException: org.springframework.web.SpringServletContainerInitializer cannot be cast to javax.servlet.ServletContainerInitializer

A child container failed during startjava.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].StandardContext[/book_shop]] at java.util.concurrent.Futur…

Caused by: java.lang.ClassCastException: class java.lang.Double cannot be cast to class org.apache.hadoop.io.WritableComparable

错误: Caused by: java.lang.ClassCastException: class java.lang.Double cannot be cast to class org.apache.hadoop.io.WritableComparable (java.lang.Double is in module java.base of loader 'bootstrap'; org.apache.hadoop.io.WritableComparable is in unnamed…

java.lang.ClassCastException: net.sf.ezmorph.bean.MorphDynaBean cannot be cast to

Java.lang.ClassCastException: net.sf.ezmorph.bean.MorphDynaBean cannot be cast to 在使用JSONObject.toBean的时候,得到的Bean里面的复杂数据类型不能转换成需要的对象类型. demo: 创建两个实体类Teacher和Student:Teacher中有一个List类型的私有属性 package com.edu.xukai; /** * @author xukai * */ public class S…

SSH整合时执行hibernate查询报错:java.lang.ClassCastException: com.ch.hibernate.Department_$$_javassist_0 cannot be cast to javassist.util.proxy

今天在整合ssh三个框架时,有一个功能,是查询所有员工信息,且员工表和部门表是多对一的映射关系,代码能正常运行到查询得到一个List集合,但在页面展示的时候,就报异常了, java.lang.ClassCastException: com.ch.hibernate.Department_$$_javassist_0 cannot be cast to javassist.util.proxy.Proxy 问题应该出在实体类Department上,然后我参照网上的解释,将Department.hb…

java.lang.ClassCastException: org.springframework.web.filter.CharacterEncodingFilter cannot be cast to javax.servlet.Filter

java.lang.ClassCastException: org.springframework.web.filter.CharacterEncodingFilter cannot be cast to javax.servlet.Filter    at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)    at org.apache.catalina.c…