问题

我注意到这似乎是一个与版本相关的问题，我已经尝试了所有提供的解决方案，但似乎没有一个有效。

这是我的pom.xml文件：

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.2.6.RELEASE</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>
	<groupId>com.finalapplication</groupId>
	<artifactId>Fxykxll</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<name>NewCopy</name>
	<description>Project copied from aicha's to make it work,the first one didnt work</description>

	<properties>
		<java.version>1.8</java.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-jpa</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-thymeleaf</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-devtools</artifactId>
			<scope>runtime</scope>
			<optional>true</optional>
		</dependency>
		<dependency>
			<groupId>com.oracle.ojdbc</groupId>
			<artifactId>ojdbc8</artifactId>
			<scope>runtime</scope>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
			<exclusions>
				<exclusion>
					<groupId>org.junit.vintage</groupId>
					<artifactId>junit-vintage-engine</artifactId>
				</exclusion>
			</exclusions>
		</dependency>
	</dependencies>

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>

</project>

英文:

I ve been seeing that its a version related problem and i have tried all the solutions provided but none of them is seem to be working
here s my pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.6.RELEASE</version>
<relativePath/> 
</parent>
<groupId>com.finalapplication</groupId>
<artifactId>Fxykxll</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>NewCopy</name>
<description>Project copied from aicha's to make it work,the first one didnt work</description>

&lt;properties&gt;
	&lt;java.version&gt;1.8&lt;/java.version&gt;
&lt;/properties&gt;

&lt;dependencies&gt;
	&lt;dependency&gt;
		&lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
		&lt;artifactId&gt;spring-boot-starter-data-jpa&lt;/artifactId&gt;
	&lt;/dependency&gt;
	&lt;dependency&gt;
		&lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
		&lt;artifactId&gt;spring-boot-starter-thymeleaf&lt;/artifactId&gt;
	&lt;/dependency&gt;
	&lt;dependency&gt;
		&lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
		&lt;artifactId&gt;spring-boot-starter-web&lt;/artifactId&gt;
	&lt;/dependency&gt;

	&lt;dependency&gt;
		&lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
		&lt;artifactId&gt;spring-boot-devtools&lt;/artifactId&gt;
		&lt;scope&gt;runtime&lt;/scope&gt;
		&lt;optional&gt;true&lt;/optional&gt;
	&lt;/dependency&gt;
	&lt;dependency&gt;
		&lt;groupId&gt;com.oracle.ojdbc&lt;/groupId&gt;
		&lt;artifactId&gt;ojdbc8&lt;/artifactId&gt;
		&lt;scope&gt;runtime&lt;/scope&gt;
	&lt;/dependency&gt;
	&lt;dependency&gt;
		&lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
		&lt;artifactId&gt;spring-boot-starter-test&lt;/artifactId&gt;
		&lt;scope&gt;test&lt;/scope&gt;
		&lt;exclusions&gt;
			&lt;exclusion&gt;
				&lt;groupId&gt;org.junit.vintage&lt;/groupId&gt;
				&lt;artifactId&gt;junit-vintage-engine&lt;/artifactId&gt;
			&lt;/exclusion&gt;
		&lt;/exclusions&gt;
	&lt;/dependency&gt;
&lt;/dependencies&gt;

&lt;build&gt;
	&lt;plugins&gt;
		&lt;plugin&gt;
			&lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
			&lt;artifactId&gt;spring-boot-maven-plugin&lt;/artifactId&gt;
		&lt;/plugin&gt;
	&lt;/plugins&gt;
&lt;/build&gt;

</project>

答案1

得分: 0

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
         https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.7.RELEASE</version>
        <relativePath /> <!-- lookup parent from repository -->
    </parent>
    <groupId>test</groupId>
    <artifactId>testweb</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>testweb</name>
    <description>test</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-security -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>
        <dependency>
            <groupId>com.oracle.ojdbc</groupId>
            <artifactId>ojdbc8</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.tomcat</groupId>
            <artifactId>tomcat-jasper</artifactId>
            <version>8.5.20</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-ehcache</artifactId>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintage</groupId>
                    <artifactId>junit-vintage-engine</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

    <repositories>
        <repository>
            <id>spring-milestones</id>
            <name>Spring Milestones</name>
            <url>https://repo.spring.io/milestone</url>
        </repository>
    </repositories>
    <pluginRepositories>
        <pluginRepository>
            <id>spring-milestones</id>
            <name>Spring Milestones</name>
            <url>https://repo.spring.io/milestone</url>
        </pluginRepository>
    </pluginRepositories>
</project>

英文:

Try this

&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;
 &lt;project xmlns=&quot;http://maven.apache.org/POM/4.0.0&quot;
xmlns:xsi=&quot;http://www.w3.org/2001/XMLSchema-instance&quot;
xsi:schemaLocation=&quot;http://maven.apache.org/POM/4.0.0 
 https://maven.apache.org/xsd/maven-4.0.0.xsd">
&lt;modelVersion&gt;4.0.0&lt;/modelVersion&gt;
&lt;parent&gt;
	&lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
	&lt;artifactId&gt;spring-boot-starter-parent&lt;/artifactId&gt;
	&lt;version&gt;1.5.7.RELEASE&lt;/version&gt;
	&lt;relativePath /&gt; &lt;!-- lookup parent from repository --&gt;
&lt;/parent&gt;
&lt;groupId&gt;test&lt;/groupId&gt;
&lt;artifactId&gt;testweb&lt;/artifactId&gt;
&lt;version&gt;0.0.1-SNAPSHOT&lt;/version&gt;
&lt;name&gt;testweb&lt;/name&gt;
&lt;description&gt;test&lt;/description&gt;

&lt;properties&gt;
	&lt;java.version&gt;1.8&lt;/java.version&gt;
&lt;/properties&gt;

&lt;dependencies&gt;
	&lt;dependency&gt;
		&lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
		&lt;artifactId&gt;spring-boot-starter-data-jpa&lt;/artifactId&gt;
	&lt;/dependency&gt;
	&lt;!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-security --&gt;
	&lt;dependency&gt;
		&lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
		&lt;artifactId&gt;spring-boot-starter-security&lt;/artifactId&gt;
	&lt;/dependency&gt;
&lt;dependency&gt;
    &lt;groupId&gt;com.oracle.ojdbc&lt;/groupId&gt;
    &lt;artifactId&gt;ojdbc8&lt;/artifactId&gt;
    &lt;scope&gt;runtime&lt;/scope&gt;
&lt;/dependency&gt;

	&lt;dependency&gt;
		&lt;groupId&gt;org.apache.tomcat&lt;/groupId&gt;
		&lt;artifactId&gt;tomcat-jasper&lt;/artifactId&gt;
		&lt;version&gt;8.5.20&lt;/version&gt;
	&lt;/dependency&gt;

	&lt;dependency&gt;
		&lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
		&lt;artifactId&gt;spring-boot-starter-web&lt;/artifactId&gt;
	&lt;/dependency&gt;
	&lt;dependency&gt;
		&lt;groupId&gt;org.hibernate&lt;/groupId&gt;
		&lt;artifactId&gt;hibernate-ehcache&lt;/artifactId&gt;
	&lt;/dependency&gt;
	&lt;dependency&gt;
		&lt;groupId&gt;mysql&lt;/groupId&gt;
		&lt;artifactId&gt;mysql-connector-java&lt;/artifactId&gt;
		&lt;scope&gt;runtime&lt;/scope&gt;
	&lt;/dependency&gt;
	&lt;dependency&gt;
		&lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
		&lt;artifactId&gt;spring-boot-starter-test&lt;/artifactId&gt;
		&lt;scope&gt;test&lt;/scope&gt;
		&lt;exclusions&gt;
			&lt;exclusion&gt;
				&lt;groupId&gt;org.junit.vintage&lt;/groupId&gt;
				&lt;artifactId&gt;junit-vintage-engine&lt;/artifactId&gt;
			&lt;/exclusion&gt;
		&lt;/exclusions&gt;
	&lt;/dependency&gt;
&lt;/dependencies&gt;

&lt;build&gt;
	&lt;plugins&gt;
		&lt;plugin&gt;
			&lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
			&lt;artifactId&gt;spring-boot-maven-plugin&lt;/artifactId&gt;
		&lt;/plugin&gt;
	&lt;/plugins&gt;
&lt;/build&gt;

&lt;repositories&gt;
	&lt;repository&gt;
		&lt;id&gt;spring-milestones&lt;/id&gt;
		&lt;name&gt;Spring Milestones&lt;/name&gt;
		&lt;url&gt;https://repo.spring.io/milestone&lt;/url&gt;
	&lt;/repository&gt;
&lt;/repositories&gt;
&lt;pluginRepositories&gt;
	&lt;pluginRepository&gt;
		&lt;id&gt;spring-milestones&lt;/id&gt;
		&lt;name&gt;Spring Milestones&lt;/name&gt;
		&lt;url&gt;https://repo.spring.io/milestone&lt;/url&gt;
	&lt;/pluginRepository&gt;
&lt;/pluginRepositories&gt;

</project>

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