debug运行java程序报错 ERROR: transport error 202: connect failed: Connection timed out ERROR: JDWP Transport dt_socket failed to initialize, TRANSPORT_INIT(510) JDWP exit error AGENT_ERROR_TRANSPORT_INIT(197): No transports initialized [debugInit.c:750] 错误…

首先,当在运行java程序出现这个错误时,首先考虑是不是路径或者未指定正确的包名,例如当运行下面这个文件时: package cn.wgh.socket; public class HelloWorld { public static void main(String[] args) { System.out.println("Hello world!"); } } 应该要将cmd的目录设置到项目的根目录后,再来进行运行操作,比如说我的项目目录是这样的: E:\Work\MyJava\…

问题1: 解决办法:依次执行如下两步   问题2: 解决办法:如下两项版本应保持一致…

按照文档:http://www.micmiu.com/bigdata/hadoop/hadoop2x-eclipse-mapreduce-demo/安装配置好Eclipse后,运行WordCount程序报错: log4j:WARN No appenders could be found for logger (org.apache.hadoop.metrics2.lib.MutableMetricsFactory). log4j:WARN Please initialize the log4j…

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…

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…

运行Java程序的时候,报错:EXCEPTION_ACCESS_VIOLATION (0xc0000005): 根据原网页的说明: EXCEPTION_ACCESS_VIOLATION In rare circumstances, a Java program could stop with a message similar to the following: An unexpected error has been detected by HotSpot Virtual Machine: E…

首先用记事本写一个最简单的Java代码,我把文件保存在桌面的HelloWorld文件夹中,这里将记事本的名称改为HelloWorld.java public class HelloWorld{ public static void main(String args[]){ System.out.println("hello!"); } } 其次用Win+R键,输入cmd打开命令提示符 系统默认位于 C:\Users\西瓜 用命令 cd desktop\HelloWorld  转到该目录…

1. 安装了eclipsecdt版 2. 采用mingw 编译第一个c程序,报错“launch failed,binary not found”.检查是mingw下的bin目录在环境变量里设置错了. set path=%path%;G:/mingw/bin //放在系统环境变量 set LIBRARY_PATH=G:/lib set C_INCLUDE_PATH=G:/mingw/include 在CDT中每一次新项目建成后,系统一般默认会进行第一次的构建,也就是自动生成可执行文件.可是事实我们…

报错:Unable to open debugger port (127.0.0.1:63959): java.net.SocketException "socket closed",编译过来就是无法打开调试器端口,套接字已关闭 这台笔记本操作系统是win10专业工作站版,debug启动项目,provide项目完美启动成功,然后consumer项目报错:Unable to open debugger port (127.0.0.1:63959): java.net.SocketExce…