<span style="line-height: 1.5;">sudo apt-get remove nixnote </span>
执行sudo apt-get autoremove也报错
正在设置 icedtea-netx:amd64 (1.5.1-1ubuntu1) ...
update-alternatives: 警告: forcing reinstallation of alternative /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/itweb-settings because link group itweb-settings is broken
update-alternatives: 警告: not replacing /usr/share/man/man1/itweb-settings.1.gz with a link
update-alternatives: 警告: forcing reinstallation of alternative /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/itweb-settings because link group itweb-settings is broken
update-alternatives: 警告: not replacing /usr/share/man/man1/itweb-settings.1.gz with a link
update-alternatives: 错误: alternative path /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/javaws doesn't exist
dpkg: error processing package icedtea-netx:amd64 (--configure):
子进程 已安装 post-installation 脚本 返回了错误号 2
在处理时有错误发生：
icedtea-netx:amd64
E: Sub-process /usr/bin/dpkg returned an error code (1)
搞定了，安装NixNote的时候，Ubuntu软件中心还安装了openjdk，在软件中心里把openjdk卸载掉就不会报错了