一、問題發生的原因：C盤磁盤不足，idea啓動報IO異常，項目停止運行。我關閉IDEA重新啓動，報以下錯誤：
Problems found loading plugins:
Plugin "Persistence Frameworks Support" was not loaded: required plugin "Database Tools and SQL" is disabled.
Plugin "GlassFish Integration" was not loaded: required plugin "Java EE: EJB, JPA, Servlets" is disabled.
Plugin "JBoss Integration" was not loaded: required plugin "Java EE: EJB, JPA, Servlets" is disabled.
Plugin "JSR45 Integration" was not loaded: required plugin "Java EE: EJB, JPA, Servlets" is disabled.
Plugin "Jetty Integration" was not loaded: required plugin "Java EE: EJB, JPA, Servlets" is disabled.
Plugin "Resin Integration" was not loaded: required plugin "Java EE: EJB, JPA, Servlets" is disabled.
Plugin "Tomcat and TomEE Integration" was not loaded: required plugin "Java EE: EJB, JPA, Servlets" is disabled.
Plugin "CloudBees integration" was not loaded: required plugin "Java EE: EJB, JPA, Servlets" is disabled.
Plugin "Geronimo Integration" was not loaded: required plugin "Java EE: EJB, JPA, Servlets" is dis... (show balloon)
二、IDEA啓動報錯Plugin Error的解決辦法：
找到IDEA的配置文件夾下的disabled_plugins.txt，刪除然後重啓IDEA即可；
文件存放位置：C:\Users\用戶名.IntelliJIdea2017.2\config
我的電腦位置：C:\Users\Administrator.USER-20170315AN.IntelliJIdea2017.2\config
