scala运行异常Exception in thread “main“ java.lang.NoSuchMethodError: scala.Predef$_scala遇到exception in thread "thread-1-CSDN博客网友收藏

scala运行异常Exception in thread “main“ java.lang.NoSuchMethodError: scala.Predef$_scala遇到exception in thread "thread-1-CSDN博客

文章浏览阅读1k次。使用intelli idea +scala+spark,运行程序代码如下:package big.data.analyse.mllibimport org.apache.spark.{SparkConf, SparkContext}import org.apache.spark.mllib.fpm.FPGrowthobject FP { def main(args: Array[String]) { val conf = new SparkConf().setMaster("l......
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二叉树删除节点时空指针异常Exception in thread "main" java.lang.NullPointerException_二叉树算法种空指针异常如何处理-CSDN博客网友收藏

二叉树删除节点时空指针异常Exception in thread "main" java.lang.NullPointerException_二叉树算法种空指针异常如何处理-CSDN博客

文章浏览阅读426次。错误原因:Exception in thread “main” java.lang.NullPointerException(空指针异常)按照指示,跳到代码146行,发现是在进行递归时没有判断左儿子和右儿子是否为空,如果为空,则会出现空指针异常。解决方法:此......
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Unable to instantiate SparkSession with Hive support because Hive classes are not found._java.lang.illegalargumentexception: unable to inst-CSDN博客网友收藏

Unable to instantiate SparkSession with Hive support because Hive classes are not found._java.lang.illegalargumentexception: unable to inst-CSDN博客

文章浏览阅读1.3w次,点赞7次,收藏8次。写一个maven模块的时候出现了这样一个Exception:Exception in thread "main" java.lang.IllegalArgumentException: Unable to instantiate SparkSession with Hive support because Hive classes are not found.这是因为没有在......
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[完美解决] Failed to start bean ‘webServerStartStop‘; nested exception is java.lang.reflect.UndeclaredTh_failed to start bean 'webserverstartstop'; nested -CSDN博客网友收藏

[完美解决] Failed to start bean ‘webServerStartStop‘; nested exception is java.lang.reflect.UndeclaredTh_failed to start bean 'webserverstartstop'; nested -CSDN博客

文章浏览阅读1.1w次,点赞12次,收藏16次。org.springframework.context.ApplicationContextException: Failed to start bean ‘webServerStartStop’; nested exception is java.lang.reflect.UndeclaredThrowableException集群nacos后 用了nginx作为代理, 启动时候一直转圈圈…可......
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idea构建spark项目(Libraries在不同级别下的定义--Exception in thread “main“ java.lang.NoSuchMethodError: scala.Pr)_idea libraries分层问题-CSDN博客网友收藏

idea构建spark项目(Libraries在不同级别下的定义--Exception in thread “main“ java.lang.NoSuchMethodError: scala.Pr)_idea libraries分层问题-CSDN博客

文章浏览阅读147次。一、构建过程中遇到的一些问题用global libraries的scala就会出现如下错误。(我的改动是把global libraries里面的scala的sdk删除,在project setting下的libraries里面添加了spark里的jars和本机安装的2.10.7版本的Scala。这样......
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No default constructor found; nested exception is java.lang.NoSuchMethodException: com.bgu.edu.User._no default constructor found; nested exception is -CSDN博客网友收藏

No default constructor found; nested exception is java.lang.NoSuchMethodException: com.bgu.edu.User._no default constructor found; nested exception is -CSDN博客

文章浏览阅读685次。出现在Spring的JdbcTemplate中jdbcTemplate.queryForObject(String sql,RowMapper rowMapper, Object …args)在JdbcTemplate 中使用queryForObject 返回一个实体对象时可能会发生此问题,其主要原因在于创建的实体类中创建了有参构造方法......
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第91课:SparkStreaming基于Kafka Direct案例实战和内幕源码解密 java.lang.ClassNotFoundException 踩坑解决问题详细内幕版本_error gettingpartition metadata for ’, does the to-CSDN博客网友收藏

第91课:SparkStreaming基于Kafka Direct案例实战和内幕源码解密 java.lang.ClassNotFoundException 踩坑解决问题详细内幕版本_error gettingpartition metadata for ’, does the to-CSDN博客

文章浏览阅读4.5w次。第91课:SparkStreaming基于Kafka Direct案例实战和内幕源码解密 1.启动hdfs2启动spark 3启动zookeeperroot@worker2:~# zkServer.sh startJMX enabled by defaultUsing config: /usr/local/zookeeper-3.4.6/bin/._error gettingpartition metadata for ’, does the t......
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No default constructor found; nested exception is java.lang.NoSuchMethodException: org.springframewo_no default constructor found; nested exception is _匿名玩家-V的博客-CSDN博客网友收藏

No default constructor found; nested exception is java.lang.NoSuchMethodException: org.springframewo_no default constructor found; nested exception is _匿名玩家-V的博客-CSDN博客

Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.autoconfigure.MetricsDropwizardAutoConfiguration]: No default constructor found; nested exception is java.lang.NoSuchMethodException: o_no default constructor found; nested except......
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