eclipse ide 报错的几个问题配置

待我称王封你为后i 2022-12-14 15:58 117阅读 0赞

**Eclipse IDE for Java Developers**

**Version: 2019-12 (4.14.0)**

## 一 Java compiler level does not match the version of the installed Java project facet. ##

解决方法

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpdXRpZXR1bw_size_16_color_FFFFFF_t_70][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpdXRpZXR1bw_size_16_color_FFFFFF_t_70 1][] \\

和 这个 1.8 版本要统一

![20201014153639824.png][]

下面的

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpdXRpZXR1bw_size_16_color_FFFFFF_t_70 2][]

## 二 Referenced file contains errors (http://www.springframework.org/schema/mvc/s ##

Multiple annotations found at this line: - **Referenced file contains errors (http://www.springframework.org/schema/context/spring-context.xsd).** For more information, right click on the message in the Problems View and select "Show Details..." - **Referenced file contains errors (http://www.springframework.org/schema/mvc/spring-mvc.xsd)**. For more information, right click on the message in the Problems View and select "Show Details..."

解决

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpdXRpZXR1bw_size_16_color_FFFFFF_t_70 3][]

## 三 Access restriction: The type FileURLConnection is not accessible due to restriction on required library ##

eclipse设置问题，它默认把这些受访问限制的API设成了ERROR

修改

的Deprecated and restricted API中的Forbidden references(access rules)选为Warning就可以了。

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpdXRpZXR1bw_size_16_color_FFFFFF_t_70 4][]

# Eclipse中New Server没有tomcat选项 #

Help->InstallNew Software->add -> http://download.eclipse.org/releases/kepler -> JST Server AdaptersExtensions(打勾选上该项)

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpdXRpZXR1bw_size_16_color_FFFFFF_t_70 5][]

![20201030161743714.png][]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpdXRpZXR1bw_size_16_color_FFFFFF_t_70]: /images/20221123/c507505238aa4a24a6936e4dce826751.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpdXRpZXR1bw_size_16_color_FFFFFF_t_70 1]: /images/20221123/6b0e327e4a09419aa06b995e0d4aebb5.png
[20201014153639824.png]: /images/20221123/892809fd97b74e51bb18c2574b8e92f4.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpdXRpZXR1bw_size_16_color_FFFFFF_t_70 2]: /images/20221123/6fc6ec48c1004ec98a4c58f6add7f37b.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpdXRpZXR1bw_size_16_color_FFFFFF_t_70 3]: /images/20221123/06dbbeb5d3004407ac6d3a3a15c9198b.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpdXRpZXR1bw_size_16_color_FFFFFF_t_70 4]: /images/20221123/05e8ba9bdd0a43ec82acc207b02f4883.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpdXRpZXR1bw_size_16_color_FFFFFF_t_70 5]: /images/20221123/be5dbfff692742fb983f94faa23377d6.png
[20201030161743714.png]: /images/20221123/59c7b7d77bf3405db505185e665e1028.png