STS4 程序包javax.servlet.http不存在

1.報錯信息

  某些war包程序會由於缺乏運行時環境,在maven打包時偶爾出現如下異常:java

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project pa_remove_peel: Compilation failure: Compilation failure:
[ERROR] /F:/FruitsWorkspace/pineapple/pa_remove_peel/src/main/java/com/hengbao/utils/service/SimpleService.java:[3,26] 程序包javax.servlet.http不存在
[ERROR] /F:/FruitsWorkspace/pineapple/pa_remove_peel/src/main/java/com/hengbao/utils/service/SimpleService.java:[4,26] 程序包javax.servlet.http不存在
[ERROR] /F:/FruitsWorkspace/pineapple/pa_remove_peel/src/main/java/com/hengbao/utils/service/SimpleService.java:[10,44] 找不到符號
[ERROR] 符號:   類 HttpServletRequest
[ERROR] 位置: 類 com.hengbao.utils.service.SimpleService
[ERROR] /F:/FruitsWorkspace/pineapple/pa_remove_peel/src/main/java/com/hengbao/utils/service/SimpleService.java:[24,64] 找不到符號
[ERROR] 符號:   類 HttpServletRequest
[ERROR] 位置: 類 com.hengbao.utils.service.SimpleService
[ERROR] /F:/FruitsWorkspace/pineapple/pa_remove_peel/src/main/java/com/hengbao/utils/service/SimpleService.java:[27,17] 找不到符號
[ERROR] 符號:   類 Cookie
[ERROR] 位置: 類 com.hengbao.utils.service.SimpleService
[ERROR] /F:/FruitsWorkspace/pineapple/pa_remove_peel/src/main/java/com/hengbao/utils/service/SimpleService.java:[29,30] 找不到符號
[ERROR] 符號:   類 Cookie

2.添加運行時環境

  右鍵項目 -> Build Path -> Configure Build Path -> Libraires -> Add Library -> Server Runtimeapache

  若是列表中沒有選項,那麼你尚未添加tomcat環境。你能夠在菜單欄中的Window-> Preferences 中添加,搜索Server,對應的環境的添加在此處:tomcat

3.感謝

  感謝 https://blog.csdn.net/qqqxiaobaiji/article/details/53404925 給我思路app

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