Question

创建mongoTemplate bean时出现以下错误。

我认为jar版本存在冲突。

如果我使用的是spring-data-mongodb 1.2.0.RELEASE，那么它会显示java.lang.NOCLASSDEFMETHOD错误。

org.springframework.beans.factory.BeanCreationException：创建名称为＆m; 39的mongoTemplate＆＃39;在ServletContext资源[/WEB-INF/spring-servlet.xml]中定义：bean的实例化失败;嵌套异常是org.springframework.beans.BeanInstantiationException：无法实例化bean类[org.springframework.data.mongodb.core.MongoTemplate]：构造函数抛出异常;嵌套异常是java.lang.NoSuchFieldError：INSTANCE           org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor（ConstructorResolver.java:278）           org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor（AbstractAutowireCapableBeanFactory.java:1114）           org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance（AbstractAutowireCapableBeanFactory.java:1017）           org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean（AbstractAutowireCapableBeanFactory.java:504）           org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean（AbstractAutowireCapableBeanFactory.java:475）           org.springframework.beans.factory.support.AbstractBeanFactory $ 1.getObject（AbstractBeanFactory.java:304）           org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton（DefaultSingletonBeanRegistry.java:228）           org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean（AbstractBeanFactory.java:300）           org.springframework.beans.factory.support.AbstractBeanFactory.getBean（AbstractBeanFactory.java:195）           org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons（DefaultListableBeanFactory.java:703）           org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization（AbstractApplicationContext.java:760）           org.springframework.context.support.AbstractApplicationContext.refresh（AbstractApplicationContext.java:482）           org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext（FrameworkServlet.java:658）           org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext（FrameworkServlet.java:624）           org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext（FrameworkServlet.java:672）           org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext（FrameworkServlet.java:543）           org.springframework.web.servlet.FrameworkServlet.initServletBean（FrameworkServlet.java:484）           org.springframework.web.servlet.HttpServletBean.init（HttpServletBean.java:136）           javax.servlet.GenericServlet.init（GenericServlet.java:158）           org.apache.catalina.authenticator.AuthenticatorBase.invoke（AuthenticatorBase.java:502）           org.apache.catalina.valves.ErrorReportValve.invoke（ErrorReportValve.java:79）           org.apache.catalina.valves.AbstractAccessLogValve.invoke（AbstractAccessLogValve.java:616）           org.apache.catalina.connector.CoyoteAdapter.service（CoyoteAdapter.java:522）           org.apache.coyote.http11.AbstractHttp11Processor.process（AbstractHttp11Processor.java:1095）           org.apache.coyote.AbstractProtocol $ AbstractConnectionHandler.process（AbstractProtocol.java:672）           org.apache.tomcat.util.net.AprEndpoint $ SocketProcessor.doRun（AprEndpoint.java:2500）           org.apache.tomcat.util.net.AprEndpoint $ SocketProcessor.run（AprEndpoint.java:2489）           java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1142）           java.util.concurrent.ThreadPoolExecutor中的$ Worker.run（ThreadPoolExecutor.java:617）           org.apache.tomcat.util.threads.TaskThread $ WrappingRunnable.run（TaskThread.java:61）           java.lang.Thread.run（Thread.java:745）

                  根本原因
org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.springframework.data.mongodb.core.MongoTemplate]: Constructor threw exception; nested exception is java.lang.NoSuchFieldError: INSTANCE
        org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:164)
        org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:125)
        org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:270)
        org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1114)
        org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1017)
        org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504)
        org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
        org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304)
        org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
        org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)
        org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195)
        org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:703)
        org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760)
        org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482)
        org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:658)
        org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:624)
        org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:672)
        org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:543)
        org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:484)
        org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)
        javax.servlet.GenericServlet.init(GenericServlet.java:158)
        org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
        org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
        org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
        org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:522)
        org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1095)
        org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:672)
        org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2500)
        org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2489)
        java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        java.lang.Thread.run(Thread.java:745)
    

的pom.xml

<?xml version="1.0"?>
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
    xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

    <modelVersion>4.0.0</modelVersion>
    <groupId>com.websystique.springmvc</groupId>
    <artifactId>JioAsp</artifactId>
    <packaging>war</packaging>
    <version>1.0.0</version>
    <name>JioAsp Maven Webapp</name>

    <properties>
        <springframework.version>4.0.3.RELEASE</springframework.version>
        <jackson.library>2.7.5</jackson.library>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${springframework.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${springframework.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${springframework.version}</version>
        </dependency>
<dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${springframework.version}</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>${jackson.library}</version>
        </dependency>
            <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-mongodb</artifactId>
            <version>1.5.0.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.mongodb</groupId>
            <artifactId>mongo-java-driver</artifactId>
            <version>3.4.1</version>
        </dependency>
        <dependency>
    <groupId>org.springframework.data</groupId>
    <artifactId>spring-data-commons</artifactId>
    <version>1.12.6.RELEASE</version>
        </dependency>
        <dependency>
    <groupId>org.springframework.data</groupId>
    <artifactId>spring-data-commons-core</artifactId>
    <version>1.4.1.RELEASE</version>
</dependency>
        <dependency>
 <groupId>cglib</groupId>
 <artifactId>cglib</artifactId>
 <version>2.2</version>
 </dependency>

        <!-- dependency>
            <groupId>com.fasterxml.jackson.dataformat</groupId>
            <artifactId>jackson-dataformat-xml</artifactId>
            <version>${jackson.library}</version>
        </dependency-->
    </dependencies>

    <build>
        <pluginManagement>
            <plugins>
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.2</version>
                    <configuration>
                        <source>1.7</source>
                        <target>1.7</target>
                    </configuration>
                </plugin>
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-war-plugin</artifactId>
                    <version>2.4</version>
                    <configuration>
                        <warSourceDirectory>src/main/webapp</warSourceDirectory>
                        <warName>JioAsp</warName>
                        <failOnMissingWebXml>false</failOnMissingWebXml>
                        <outputDirectory>D:\apache-tomcat-8.0.33\webapps\</outputDirectory>
                    </configuration>
                </plugin>
            </plugins>
        </pluginManagement>
        <finalName>JioAsp</finalName>
    </build>
</project>

弹簧servlet.xml中

<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:mongo="http://www.springframework.org/schema/data/mongo"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
http://www.springframework.org/schema/data/mongo
">
<!-- http://www.springframework.org/schema/data/mongo/spring-mongo.xsd
 --><context:component-scan base-package="com.websystique.springmvc.controller" />
<context:component-scan base-package="com.websystique.springmvc.service" />
     <!-- Configuration defining views files -->


 <!-- <mongo:mongo host="localhost" port="27017" id="mongo" />
    <mongo:db-factory dbname="aadhaar" mongo-ref="mongo" id="mongoDbFactory" />

     <bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
        <constructor-arg name="mongoDbFactory" ref="mongoDbFactory" />
    </bean> 
 -->
    <!-- <bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
        <constructor-arg name="mongo" ref="mongo" />
        <constructor-arg name="databaseName" value="ganesh" />
    </bean> -->

    <!-- <bean id="personDAO" class="com.springjdbc.mongojdbctemplateclass.MongoDBJDBCTemplate">
        <constructor-arg name="mongoOps" ref="mongoTemplate"/>
    </bean> -->

<!-- Factory bean that creates the Mongo instance -->
 <bean id="mongo" class="org.springframework.data.mongodb.core.MongoFactoryBean">
    <property name="host" value="localhost" />
</bean>
<!-- MongoTemplate for connecting and querying the documents in the database -->
<bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
     <constructor-arg name="mongo" ref="mongo" />
     <constructor-arg name="databaseName" value="aadhaar" />
</bean> 
</beans>

Answer 1

Spring数据mongodb 1.5.0使用mongo java驱动程序2.13.3，而你用mongo java驱动程序3.4.1覆盖它。找到已解决的依赖项并删除pom.xml中的冲突，它将解决该问题。

在spring

1 个答案: