bug1:

org.apache.maven.archiver.MavenArchiver.getManifest
(org.apache.maven.project.MavenProject,org.apache.maven.archiver.MavenArchiveConfiguration)	
pom.xml	/testsql	line 1	Maven Configuration Problem

今天尝试连接数据库

help ->Install New Software -> add ->https://otto.takari.io/content/sites/m2e.extras/m2eclipse-mavenarchiver/0.17.2/N/LATEST(已经失效)
后来用这个:http://repo1.maven.org/maven2/.m2e/connectors/m2eclipse-mavenarchiver/0.17.2/N/LATEST/ 

今天尝试连接数据库

好吧,失败了。。。。。。

bug2:

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

1、设置java Build Path里的jdk版本:点击项目右键–properties—java Build Path设置jdk为1.8

2、设置java  compiler里的jdk版本:点击项目右键–properties—java  compiler设置jdk为1.8

3、点击项目右键–properties---project Facets设置java文件的版本为 1.8,并打勾。 

 

bug3:

cvc-complex-type.2.4.c: The matching wildcard is strict...

在xsi:schemaLocation 加上:

http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd

bug4:

Cannot change version of project facet Dynamic web module to 3.1

跟他走!-->https://blog.csdn.net/changjizeng512/article/details/53994504

bug5:

The import javax.persistence cannot be resolved

是因为缺少相关jar包和jpa,在pom.xml中加入依赖即可

        <dependency>
            <groupId>org.eclipse.persistence</groupId>
            <artifactId>org.eclipse.persistence.jpa</artifactId>
            <version>2.6.0</version>
        </dependency>

 

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