安装maven提示ERROR: JAVA_HOME is set to an invalid directory.

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安装maven提示ERROR: JAVA_HOME is set to an invalid directory.

查询网上资料发现多种解决办法:有的是多写了分号,有的路径错误. 需要注意的是maven配置前需要配置好jdk的路径. 我的java_home 之前的配置为:C:\Program Files\Java\jdk1.7.0_17\bin 所以导致错误,把java_home 改为:C:\Program Files\Java\jdk1.7.0_17后正确…

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error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools" 进入该网址http://www.lfd.uci.edu/~gohlke/pythonlibs/#twisted 下载twisted对应版本的whl文件 Twisted‑18.9.0‑cp37‑cp37m‑win_amd64.whl ,cp后面是python版本,amd64代表64位, 运行 pip in…

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ubuntu 安装maven提示出错 The program 'mvn' can be found in the following packages

问题: I am trying to install apache maven 3 in Ubuntu 12.04 lts. What I did was open the terminal then I typed the following commands export M2_HOME=/usr/local/apache-maven/apache-maven-3.0.5 [Then pressed Enter] export M2=$M2_HOME/bin [Then pressed En…