执行命令:[root@hadoop102 mapreduce]# hadoop jar mapreduce2_maven.jar Filter 错误信息:Exception in thread "main" java.lang.ClassNotFoundException: Filter    at java.net.URLClassLoader.findClass(URLClassLoader.java:382)    at java.lang.ClassLoader.loadCla

Maven引入Hadoop依赖报错:Missing artifact jdk.tools:jdk.tools:jar:1.6 原因是缺少tools.jar的依赖,tools.jar在jdk的安装目录中提供了,所以改成如下形式解决此问题:添加依赖 <dependency> <groupId>org.apache.hadoop</groupId> <artifactId>hadoop-mapreduce-client-core</artifactId>

用java运行Hadoop例程报错:org.apache.hadoop.fs.LocalFileSystem cannot be cast to org.apache.所写代码如下: package com.pcitc.hadoop; import java.io.IOException; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.FileSystem; import org.apache.h

eclipse运行hadoop程序报错:Connection refused: no further information log4j:WARN No appenders could be found for logger (org.apache.hadoop.conf.Configuration.deprecation). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging

root用户执行hadoop命令报错: [root@vmocdp125 conf]# hadoop fs -ls /user/ [INFO] 17:50:42 main [RetryInvocationHandler]Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over vmocdp127.test.com/172.16.145.127:8020. Trying to fail

1.      hadoop启动报错 1.1.    问题1 util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 主要是依赖包 版本 过低的问题. 首先要定位问题,出现该问题的原因主要是hadoop native下面的hadoop静态库的问题: libhadoop.so.1.0.0 原因一: 网上有很

Error: java.io.IOException: Initialization of all the collectors failed. Error in last collector was :interface javax.xml.soap.Text Initialization of all the collectors failed  : 初始化所有收集器失败 2016-03-12 20:08:46,874 WARN org.apache.hadoop.hdfs.DFSClien

报错内容 flink执行jar时,报如下错误: org.apache.flink.client.program.ProgramInvocationException: Job failed. (JobID: b67d4b36791bb6d1be532323b4f77162) at org.apache.flink.client.program.rest.RestClusterClient.submitJob(RestClusterClient.java:268) at org.apache.fl

检查n多遍也试了n多次,证明下面是MANIFEST.MF文件正确写法: Manifest-Version: 1.0 Premain-Class: cn.yandz.monitor.SizeOfObjectUtils Can-Redefine-Classes: true Class-Path: lib/json-lib-2.4-jdk15.jar lib/ojdbc14.jar lib/commons-beanutils-1.8.3.jar lib/commons-collections-3.2.

在win7用Ant编译hadoop工程的时候,遇到了一个报错,如下: org.eclipse.core.runtime.CoreException: D:\workspace\hadoop-1.1.2\build.xml:83: Execute failed: java.io.IOException: Cannot run program "sed" 打开build.xml文件,找到sed,然后把注释掉即可,这段内容是为了替换苹果系统的空格的,但是..Windows出错啦,也难怪,因为

内容源自:https://blog.csdn.net/u014470581/article/details/51480600 报错信息: Exception in thread "main" java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.in

报错: Access restriction:The type JPEGCodec is not accessible due to restriction on required library C:\Program Files\Java\jre6\lib\rt.jar   解决方法: Project -> Properties -> libraries, 先remove掉JRE System Library,然后再Add Library重新加入. 将jre项目用自己下载的jre

缺少jstl依赖解析xml文件,报错jaspException 添加依赖如下: <dependency>              <groupId>jstl</groupId>              <artifactId>jstl</artifactId>              <version>1.2</version>     </dependency>

报错: 经过查看集群的jps如下: ==================== hadoop01 jps =================== FsShell ResourceManager NameNode Jps ==================== hadoop02 jps =================== NodeManager DataNode JournalNode QuorumPeerMain Jps ==================== hadoop03 jps =

<dependency> <groupId>net.sf.json-lib</groupId> <artifactId>json-lib</artifactId> <version>2.4</version> 报错误:Missing artifact net.sf.json-lib:json-lib:jar:2.4:compile 原因:json-lib是需要区分jdk版本的,pom.xml中的配置应加上标签classif

报如错误:JAVA_HOME is not set and could not be found,可能是因为JAVA_HOME环境没配置正确,还有一种情况是即使各结点都正确地配置了JAVA_HOME,但在集群环境下还是报该错误,解决方法是显示地重新声明一遍JAVA_HOME 1.检查JAVA_HOME是否配置正确(伪分布式环境) 启动start-all.sh时报错,如下所示 解决方法: 输入java –version,查看jdk是否安装成功 输入export,查看jdk环境变量是否设置成功 2.

hadoop启动journalnode时报错:localhost: ssh: Could not resolve hostname localhost: Temporary failure in name resolution 解决办法:将高亮部分补充到/etc/profile中,然后source生效 export JAVA_HOME=/opt/module/jdk1.8.0_144 export HADOOP_HOME=/opt/ha/hadoop-2.7.4 export HADOOP_CO

因为oracle的ojdbc.jar是收费的,所以maven的中央仓库中没有这个资源,只能通过配置本地库才能加载到项目中去. 首先下载 ojdbc14  https://pan.baidu.com/s/1ZeTdOjSGraBCd148wL4Zwg 密码:shgp 以上分享的版本号为   ojdbc14-10.2.0.2 接着 Windows + R 打开 cmd  执行命令 mvn install:install-file -DgroupId=com.oracle -DartifactId=o

升级ADT22以后,老项目编译时后遇到 NoDefFoundClassError  这个错误,因为项目中使用了jar文件. 遇到此问题的解决步骤: 1.项目根目录下建立 libs ,并将jar文件移入这个目录: 2.在java build path ->order and export 中勾选android private library 并置顶: 3.然后clean下工程,再编译: ADT每次升级都不省心啊.

打包成功,但是在执行时报错,没有主清单属性 解决: 增加红框内的依赖: <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <executions> <execution> <goals> <g

'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.springframework:spring-webmvc:jar dependency.(groupId:artifactId:type:classifier)' must be unique:依赖必须是唯一的 duplicate declaration of version :重复申明版本 解决:检查自己的pox.xml中是否重