在spark集群中执行./spark-shell时报以下错误: 18/07/23 10:02:39 WARN DataNucleus.Connection: BoneCP specified but not present in CLASSPATH (or one of dependencies)18/07/23 10:02:39 WARN metastore.HiveMetaStore: Retrying creating default database after error: Error…
Discovery starting. *** RUN ABORTED *** java.lang.RuntimeException: Unable to load a Suite class that was discovered in the runpath: org.apache.spark.util.MutableURLClassLoaderSuite at org.scalatest.tools.DiscoverySuite$.getSuiteInstance(DiscoverySui…
Attempting to run http://spark.apache.org/docs/latest/quick-start.html#a-standalone-app-in-scala from source. This line val wordCounts = textFile.flatMap(line => line.split(" ")).map(word => (word, 1)).reduceByKey(_+_) reports compile valu…
1.转义字符: 常见的replaceAll,split,mkstring中涉及到特殊字符的都要加上转义字符,比如str.split("\\|"),str.replaceAll("\\[", "") 报错信息: java.util.regex.PatternSyntaxException: Unclosed character class near index 0 java.util.regex.PatternSyntaxException: Un…
hive 2.3.4 on spark 2.4.0 Hive on Spark provides Hive with the ability to utilize Apache Spark as its execution engine. set hive.execution.engine=spark; 1 version Hive on Spark is only tested with a specific version of Spark, so a given version of Hi…
错误一: // :: ERROR Executor: Exception ) java.lang.NoSuchMethodError: scala.Product.$init$(Lscala/Product;)V at Person.<init>(RDD_To_DataFrame.scala:) at RDD_To_DataFrame$.$anonfun$main$(RDD_To_DataFrame.scala:) at scala.collection.Iterator$$anon$.nex…
下载了spark 1.4,执行spark-shell时遇到以下错误: java.net.UnknownHostException: UKON-M-Q0EP: UKON-M-Q0EP: nodename nor servname provided, or not known at java.net.InetAddress.getLocalHost(InetAddress.java:1473) 这并非spark特有的错误,而是Mac上使用java常见的一个问题,是application在查询主机相应…
使用spark2.4跟spark2.3 做替代公司现有的hive选项. 跑个别任务spark有以下错误 java.io.EOFException: Premature EOF from inputStream at com.hadoop.compression.lzo.LzopInputStream.readFully(LzopInputStream.java:74) at com.hadoop.compression.lzo.LzopInputStream.readHeader(LzopInp…
PyCharm3.0默认快捷键(翻译的) PyCharm Default Keymap 1.编辑(Editing) Ctrl + Space 基本的代码完成(类.方法.属性)Ctrl + Alt + Space 快速导入任意类Ctrl + Shift + Enter 语句完成Ctrl + P 参数信息(在方法中调用参数) Ctrl + Q 快速查看文档 F1 外部文档 Shift + F1 外部文档,进入web文档主页 Ctrl + Shift + Z -->…
内容包含:pycharm学习技巧 Learning tips.PyCharm3.0默认快捷键(翻译的).pycharm常用设置.pycharm环境和路径配置.Pycharm实用拓展功能:pycharm中清除已编译.pyc中间文件.python2转python3最快方式[pycharm版本控制和数据库管理][PyCharm中的那些实用功能] pycharm学习技巧 Learning tips /pythoncharm/help/tip of the day:A special variant of…
来源: (https://blog.csdn.net/weixin_41059146/article/details/78826163) 1.编辑(Editing) Ctrl + Space 基本的代码完成(类.方法.属性)Ctrl + Alt + Space 快速导入任意类Ctrl + Shift + Enter 语句完成Ctrl + P 参数信息(在方法中调用参数) Ctrl + Q 快速查看文档 F1 外部文档 Shift + F1 外部文档,进入web…
##一.基本功能: 1.启动hive时报错 java.lang.ExceptionInInitializerError at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:190) at org.apache.hadoop.hive.ql.stats.jdbc.JDBCStatsPublisher.init(JDBCStatsPublisher.java:265) at org.apac…