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ubuntu安装Eclipse

news 2025/6/30 5:31:52

版本

ubuntu16.04 64bit

Eclipse 2019-12 （太高容易崩溃）

下载：wget https://archive.eclipse.org/technology/epp/downloads/release/2019-12/R/eclipse-java-2019-12-R-linux-gtk-x86_64.tar.gz

jdk安装

将jdk1.8.0_211-linux-x64.tar.gz解压到/opt下

添加环境变量 vi ~/.bashrc

export JAVA_HOME=/opt/jdk1.8.0_211
export CLASSPATH=$CLASSPATH:$JAVA_HOME/lib:$JAVA_HOME/jre/lib
export PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$HOME/bin

eclipse安装
- 将eclipse-java-2019-12-R-linux-gtk-x86_64.tar.gz解压到/opt下
- 添加桌面图标
  - cd /usr/share/applications
  - sudo touch eclipse.desktop
  - sudo vim eclipse.desktop
```
[Desktop Entry]
Encoding=UTF-8
Name=Eclipse
Comment=Eclipse
Exec=/opt/eclipse/eclipse
Icon=/opt/eclipse/icon.xpm
Terminal=false
StartupNotify=true
Type=Application
Categories=Application;Development;
```
  - sudo chmod u+x eclipse.desktop
  - cp -d eclipse.desktop ~/
eclipse找到jdk
- cd /opt/eclipse
- sudo ln -s /opt/jdk1.8.0_211/jre jre
使用时问题和解决方案
- 问题：Exception in thread “main” java.lang.UnsupportedClassVersionError: com/shanlitech/echat/App has been compiled by a more recent version of the Java Runtime (class file version 53.0), this version of the Java Runtime only recognizes class file versions up to 52.0
  解决方案：运行时eclipse内部是的jre版本比编译时使用的java高。左框项目–右击–Properties–Java Compiler–Compiler compliance level–改为和编译时sdk一样的版本
- 问题：Unbound classpath container:JRE System Library[JavaSE-9] in project
  解决方案：左框项目–右击–Properties–Java Build Path—Libraries—将报错的库版本移除