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新安装的Ubuntu安装jdk失败,解决方法

时间:2016-07-06 18:47:01      阅读:618      评论:0      收藏:0      [点我收藏+]

标签:ubuntu安装java环境

刚刚从阿里云租用了一台服务器准备着手按照hadoop,前提条件是安装java环境


在安装jdk时发现,报如下错误

The program ‘java‘ can be found in the following packages:
* gcj-4.4-jre-headless
* gcj-4.6-jre-headless
* openjdk-6-jre-headless
* gcj-4.5-jre-headless
* openjdk-7-jre-headless

查了查资料,发现需要更新下agt命令:apt-get update一定要更新下agt否则会执行失败

在执行 apt-get install openjdk-7-jre openjdk-7-jdk  下载安装


输入javac出现如下提示说明安装成功了

root@iZ254fu6ocuZ:~# javac

Usage: javac <options> <source files>

where possible options include:

  -g                         Generate all debugging info

  -g:none                    Generate no debugging info

  -g:{lines,vars,source}     Generate only some debugging info

  -nowarn                    Generate no warnings

  -verbose                   Output messages about what the compiler is doing

  -deprecation               Output source locations where deprecated APIs are used

  -classpath <path>          Specify where to find user class files and annotation processors

  -cp <path>                 Specify where to find user class files and annotation processors

  -sourcepath <path>         Specify where to find input source files

  -bootclasspath <path>      Override location of bootstrap class files

  -extdirs <dirs>            Override location of installed extensions

  -endorseddirs <dirs>       Override location of endorsed standards path

  -proc:{none,only}          Control whether annotation processing and/or compilation is done.

  -processor <class1>[,<class2>,<class3>...] Names of the annotation processors to run; bypasses default discovery process

  -processorpath <path>      Specify where to find annotation processors

  -d <directory>             Specify where to place generated class files

  -s <directory>             Specify where to place generated source files

  -implicit:{none,class}     Specify whether or not to generate class files for implicitly referenced files

  -encoding <encoding>       Specify character encoding used by source files

  -source <release>          Provide source compatibility with specified release

  -target <release>          Generate class files for specific VM version

  -version                   Version information

  -help                      Print a synopsis of standard options

  -Akey[=value]              Options to pass to annotation processors

  -X                         Print a synopsis of nonstandard options

  -J<flag>                   Pass <flag> directly to the runtime system

  -Werror                    Terminate compilation if warnings occur

  @<filename>                Read options and filenames from file


root@iZ254fu6ocuZ:~# 


新安装的Ubuntu安装jdk失败,解决方法

标签:ubuntu安装java环境

原文地址:http://bjzby.blog.51cto.com/4084070/1796598

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