1、没有找到pom文件,需要设置版本号
![在这里插入图片描述](https://img-blog.csdnimg.cn/20210720112626883.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3p6bDg4ODg4ODg=,size_16,color_FFFFFF,t_70#pic_center)
![在这里插入图片描述](https://img-blog.csdnimg.cn/20210720112611634.png#pic_center
解决办法:
https://blog.csdn.net/SSbandianH/article/details/109502789
2、IDEA打包出错:[ERROR] The specified user settings file does not exist: C:\Users\Administrator.m2\setting
链接:https://blog.csdn.net/qq_44982182/article/details/108812770
3、未找到模块
not found for the web module.
![在这里插入图片描述](https://img-blog.csdnimg.cn/f8564ea0f92b4e89884ffe4ba5bf60f5.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3p6bDg4ODg4ODg=,size_16,color_FFFFFF,t_70#pic_center)
解决方法:
https://blog.csdn.net/kerryqpw/article/details/70555526
4、无视xml
警告: Ignored XML validation warning
出错的原因:
是xml的文件没有被读取到或者被读取的时候有语法错误,以至于报错
解决方法:
检查xml的文件配置
![在这里插入图片描述](https://img-blog.csdnimg.cn/19c72a7fffbe4496a48eec38bde719cc.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3p6bDg4ODg4ODg=,size_16,color_FFFFFF,t_70)
5、加载不到内容
Could not transfer artifact com.alibaba:druid:pom:1.0.9 from/to central
(无法将工件com.alibaba:druid:pom:1.0.9从/传输到central)
错误原因:
没有找到配置好的maven仓库,加载不到内容
解决办法:
1、可以重新查看maven仓库加载的路径是否正确,检查setting
2、在你下载相关的依赖包时,没有下载成功照成的,需要找到对应的maven库包,删除以 .lastUpdated 结尾的文件,然后重新下载
链接:https://blog.csdn.net/m0_37138008/article/details/104428616
3、修改pom.xml文件
链接:https://blog.csdn.net/nineya_com/article/details/103328985
6、导入常出现的错误
问题如下:
Class ‘ItemService’ is public, should be declared in a file named ‘ItemService.java’
解决办法:
查找导入的ItemService文件,同时是interface,又是java文件,所以报错
7、关于jar异常
问题如下
java.lang.UnsatisfiedLinkError: no sapjco3 in java.library.path
找不到文件报错
解决办法
前提是已经把 sapjco.dll放到system32目录下,sapjco3.jar导入到lib下
此时该异常依然存在
具体解决办法链接:https://blog.csdn.net/ontheway20/article/details/28616315/
下载sapjco.dll和sapjco.jar链接:https://download.csdn.net/download/sunjava1/7463949
8、 前后端交互类型不一致,导出播出
![在这里插入图片描述](https://img-blog.csdnimg.cn/ddcb6c5f0c1a44e6bab82fe9343a5d70.png?x-oss-process=image/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAenpsODg4ODg4OA==,size_20,color_FFFFFF,t_70,g_se,x_16)
解决办法
导出错误:前端传String类型,,但是我用Date接受了
解决办法
添加springboot注解:
9、关于jar异常
问题如下
found character ‘@’ that cannot start any token. (Do not use @ for indentati
配置文件莫名奇怪的出错,某个位置缺少@的符号之类
解决办法
解决:https://www.jianshu.com/p/1f36cdcdd27e
10、关于由于jdk版本引发的异常
报错如下:
java.lang.IllegalStateException: Failed to load ApplicationContext
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘entityManagerFactoty’ defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException
![在这里插入图片描述](https://img-blog.csdnimg.cn/214a77a2aecf47a1a712b3244139d6e2.png?x-oss-process=image/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAenpsODg4ODg4OA==,size_20,color_FFFFFF,t_70,g_se,x_16)
<!-- 防止jdk版本问题 -->
<dependency>
<groupId>javax.xml.bind</groupId>
<artifactId>jaxb-api</artifactId>
<version>2.3.0</version>
</dependency>
<dependency>
<groupId>com.sun.xml.bind</groupId>
<artifactId>jaxb-impl</artifactId>
<version>2.3.0</version>
</dependency>
<dependency>
<groupId>com.sun.xml.bind</groupId>
<artifactId>jaxb-core</artifactId>
<version>2.3.0</version>
</dependency>
<dependency>
<groupId>javax.activation</groupId>
<artifactId>activation</artifactId>
<version>1.1.1</version>
</dependency>
<dependency>
<groupId>javax.xml.bind</groupId>
<artifactId>jaxb-api</artifactId>
<version>2.3.0</version>
</dependency>