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為什么Maven構建無法解析Spring @Bean @Configuration等注釋?

[英]Why can't Maven build resolve Spring @Bean @Configuration etc annotations?

我正在嘗試將Spring MVC項目移至3.2.4。

當我嘗試像以前一樣使用Maven在IntelliJ中運行該應用程序時,由於無法從Spring找到一系列注釋類而出現錯誤。

@Bean
@Configuration
@ComponentScan
@PropertySource

都因無法解決類錯誤消息而失敗。

其他注釋也可以,這使我認為這是一個依賴項,因為Spring版本是我的項目代碼庫的主要更改。

Spring 3.2.4是否更改了這些注釋在包裝中的位置?

我當前的pom(為簡潔起見,刪除了一些位):

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"    
    <!-- SNIP project naming etc, nothing changed from before moving to 3.2.4 -->

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <java.version>1.7</java.version>
    <spring.version>3.2.4.RELEASE</spring.version><!-- 3.2.4 -->
    <spring.security.version>3.2.0.RC1</spring.security.version>
</properties>


<dependencies>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-core</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-beans</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-web</artifactId>
        <version>${spring.version}</version>
    </dependency>
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-context</artifactId>
<version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-expression</artifactId>
        <version>${spring.version}</version>
    </dependency>

    <dependency>
        <groupId>org.springframework.security</groupId>
        <artifactId>spring-security-config</artifactId>
        <version>${spring.security.version}</version>
    </dependency>

    <dependency>
        <groupId>org.springframework.security</groupId>
        <artifactId>spring-security-web</artifactId>
        <version>${spring.security.version}</version>
    </dependency>


    <dependency><!-- needed for freemarker FreeMarkerConfigurer stuff -->
        <groupId>org.springframework</groupId>
        <artifactId>spring-context-support</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-web</artifactId>
        <version>${spring.version}</version>
    </dependency>

    <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-webmvc</artifactId>
    <version>${spring.version}</version>
</dependency>
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-orm</artifactId>
    <version>${spring.version}</version>
    <type>jar</type>
</dependency>


    <!-- LOGGING -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context</artifactId>
        <version>3.0.0.RELEASE</version>
        <scope>runtime</scope>
        <exclusions>
            <exclusion>
                <groupId>commons-logging</groupId>
                <artifactId>commons-logging</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>jcl-over-slf4j</artifactId>
        <version>1.5.8</version>
        <scope>runtime</scope>
    </dependency>
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-api</artifactId>
        <version>1.5.8</version>
        <scope>runtime</scope>
    </dependency>
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-log4j12</artifactId>
        <version>1.5.8</version>
        <scope>runtime</scope>
    </dependency>
    <dependency>
        <groupId>log4j</groupId>
        <artifactId>log4j</artifactId>
        <version>1.2.14</version>
        <scope>runtime</scope>
    </dependency>


<!-- Servlet Spec -->
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>javax.servlet-api</artifactId>
        <version>3.0.1</version>
        <scope>provided</scope>
    </dependency>

    <!-- view -->
    <!-- SNIP sitemesh/freemarker/jsp etc -->


    <!-- DB access -->
    <!-- SNIP hibernate stuff, sql dialect/driver-->


    <!-- Test -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-test</artifactId>
        <version>${spring.version}</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.7</version>
        <scope>test</scope>
    </dependency>
</dependencies>

<repositories>
    <repository>
        <id>bonecp-repo</id>
        <name>BoneCP Repository</name>
        <url>http://jolbox.com/bonecp/downloads/maven</url>
    </repository>
    <!--<repository>-->
        <!--<id>springsource-milestones</id>-->
        <!--<name>SpringSource Milestones Proxy</name>-->
        <!--<url>https://oss.sonatype.org/content/repositories/springsource-milestones-->
        <!--</url>-->
    <!--</repository>-->
    <!--<repository>-->
        <!--<id>jboss-public-repository-group</id>-->
        <!--<name>JBoss Public Repository Group</name>-->
        <!--<url>http://repository.jboss.org/nexus/content/groups/public</url>-->
    <!--</repository>-->
</repositories>

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>2.0.2</version>
            <configuration>
                <source>${java.version}</source>
                <target>${java.version}</target>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-war-plugin</artifactId>
            <version>2.3</version>
            <configuration>
                <failOnMissingWebXml>false</failOnMissingWebXml>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.tomcat.maven</groupId>
            <artifactId>tomcat7-maven-plugin</artifactId>
            <version>2.0</version>
            <configuration>
                <path>/yhj</path>
            </configuration>
        </plugin>
    </plugins>
</build>

您的POM中存在org.springframework:spring-context重復的依賴關系,可能導致類路徑沖突。 第一個是使用3.2.4.RELEASE版本的編譯依賴性,第二個是使用3.0.0.RELEASE版本的運行時依賴性。

我建議您刪除第二個,因為它是不必要的,應該被第一個取代。

Spring不會出什么問題。 要進行調試,請將帶注釋的類復制到.war項目中並在其中運行。 很多事情可能接線錯誤,但是彈簧只會說不滿意的自動接線。 它應該是開箱即用的,因此無法正確完成某些工作。 未設置屬性,未滿足依賴項等。將其復制到項目中后,可以簡化問題,使其在該位置工作后,將其移回類,即可正常工作!

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