请问 java.lang.LinkageError 怎么解决，百度了一晚上好像是maven依赖冲突问题，但是实在查不出来啊，来个大佬指导一下

kfyty725 2019-01-11 12:32:40
这个是 pom.xml：


<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <groupId>com.fyty</groupId>

  <artifactId>dubboDemo-consumer</artifactId>

  <version>0.0.1-SNAPSHOT</version>

  <packaging>war</packaging>

  

  <properties>

  	<webVersion>4.0</webVersion>

  	<spring.version>5.0.1.RELEASE</spring.version>

  </properties>

  

<pluginRepositories>

	<pluginRepository>

		<id>alfresco-public</id>

		<url>https://artifacts.alfresco.com/nexus/content/groups/public</url>

	</pluginRepository>

	<pluginRepository>

		<id>alfresco-public-snapshots</id>

		<url>https://artifacts.alfresco.com/nexus/content/groups/public-snapshots</url>

		<snapshots>  

			<enabled>true</enabled>

			<updatePolicy>daily</updatePolicy>

		</snapshots>

	</pluginRepository>

	<pluginRepository>

		<id>beardedgeeks-releases</id>

		<url>http://beardedgeeks.googlecode.com/svn/repository/releases</url>

	</pluginRepository>

</pluginRepositories>

  

  <build>

  	<plugins>

  		<plugin>

  			<groupId>org.apache.maven.plugins</groupId>

  			<artifactId>maven-compiler-plugin</artifactId>

  			<configuration>

  				<source>1.8</source>

  				<target>1.8</target>

  				<encoding>UTF-8</encoding>

  			</configuration>

  		</plugin>

  		

		<plugin>  

			<groupId>org.apache.tomcat.maven</groupId>  

			<artifactId>tomcat8-maven-plugin</artifactId>  

			<version>3.0-r1655215</version>  

		</plugin>

  	</plugins>

  </build>

  

  <dependencies>

	  <dependency>

  			<groupId>com.fyty</groupId>

  			<artifactId>dubboDemo-service</artifactId>

  			<version>0.0.1-SNAPSHOT</version>

  	  </dependency>

  		

		<dependency>

		    <groupId>com.alibaba</groupId>

		    <artifactId>dubbo</artifactId>

		    <version>2.6.5</version>

		    <exclusions>

		    	<exclusion>

		    		<groupId>org.springframework</groupId>

		    		<artifactId>*</artifactId>

		    	</exclusion>

		    </exclusions>

		</dependency>

		

		<dependency>

        	<groupId>com.alibaba.spring</groupId>

        	<artifactId>spring-context-support</artifactId>

        	<version>1.0.2</version>

    	</dependency>

		

		<dependency>

		    <groupId>io.netty</groupId>

		    <artifactId>netty-all</artifactId>

		    <version>4.1.32.Final</version>

		</dependency>

		

		<dependency>

			<groupId>org.apache.curator</groupId>

			<artifactId>curator-framework</artifactId>

			<version>4.1.0</version>

		</dependency>

		

		<dependency>

			<groupId>org.apache.curator</groupId>

			<artifactId>curator-recipes</artifactId>

			<version>4.1.0</version>

		</dependency>

		

		<dependency>

		    <groupId>com.101tec</groupId>

		    <artifactId>zkclient</artifactId>

		    <version>0.11</version>

		</dependency>

  

		<dependency>

			<groupId>org.springframework</groupId>

			<artifactId>spring-core</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-web</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-aop</artifactId>

			<version>${spring.version}</version>

		</dependency>

		

		<dependency>

			<groupId>org.springframework</groupId>

			<artifactId>spring-expression</artifactId>

			<version>${spring.version}</version>

		</dependency>

		

		<dependency>

			<groupId>org.springframework</groupId>

			<artifactId>spring-webmvc</artifactId>

			<version>${spring.version}</version>

		</dependency>

		

		<dependency>

	  		<groupId>javax.servlet</groupId>

	  		<artifactId>servlet-api</artifactId>

	  		<version>4.0</version>

	  		<scope>provided</scope>

	  	</dependency>

	  	

	  	<dependency>

	  		<groupId>javax.servlet</groupId>

	  		<artifactId>jsp-api</artifactId>

	  		<version>2.3</version>

	  		<scope>provided</scope>

	  	</dependency>

	  	

	  	<dependency>

	  		<groupId>javax.el</groupId>

	  		<artifactId>el-api</artifactId>

	  		<version>3.0</version>

	  		<scope>provided</scope>

	  	</dependency>

	  	

	  	<dependency>

	  		<groupId>javax.annotation</groupId>

	  		<artifactId>annotations-api</artifactId>

	  		<version>3.0</version>

	  		<scope>provided</scope>

	  	</dependency>

	  	

	  	<dependency>

	  		<groupId>org.apache.tomcat</groupId>

	  		<artifactId>tomcat-jasper</artifactId>

	  		<version>9.0</version>

	  		<scope>provided</scope>

	  	</dependency>

	  	

	  	<dependency>

	  		<groupId>org.apache.tomcat</groupId>

	  		<artifactId>tomcat-jasper-el</artifactId>

	  		<version>9.0</version>

	  		<scope>provided</scope>

	  	</dependency>

	  	

		<dependency>

		    <groupId>org.apache.tomcat.embed</groupId>

		    <artifactId>tomcat-embed-core</artifactId>

		    <version>8.5.34</version>

		    <scope>provided</scope>

		</dependency>



	  	<dependency>

	  		<groupId>commons-logging</groupId>

	  		<artifactId>commons-logging</artifactId>

	  		<version>1.2</version>

	  	</dependency>

	  	

	  	<dependency>

	  		<groupId>org.slf4j</groupId>

	  		<artifactId>slf4j-api</artifactId>

	  		<version>1.7.25</version>

	  	</dependency>

	  	

	  	<dependency>

	  		<groupId>org.slf4j</groupId>

	  		<artifactId>slf4j-log4j12</artifactId>

	  		<version>1.7.25</version>

	  	</dependency>

	  	

	  	<dependency>

	  		<groupId>log4j</groupId>

	  		<artifactId>log4j</artifactId>

	  		<version>1.2.17</version>

	  	</dependency>

	  	

	  	<dependency>

	  		<groupId>junit</groupId>

	  		<artifactId>junit</artifactId>

	  		<version>4.12</version>

	  		<scope>test</scope>

	  	</dependency>

  </dependencies>

</project>



这里是报错信息：


一月 11, 2019 12:20:03 下午 org.apache.catalina.core.StandardWrapperValve invoke

严重: Servlet.service() for servlet [jsp] in context with path [/dubboDemo-consumer] threw exception [java.lang.LinkageError: loader constraint violation: when resolving method "org.apache.jasper.runtime.InstanceManagerFactory.getInstanceManager(Ljavax/servlet/ServletConfig;)Lorg/apache/tomcat/InstanceManager;" the class loader (instance of org/apache/jasper/servlet/JasperLoader) of the current class, org/apache/jsp/index_jsp, and the class loader (instance of org/codehaus/plexus/classworlds/realm/ClassRealm) for the method's defining class, org/apache/jasper/runtime/InstanceManagerFactory, have different Class objects for the type org/apache/tomcat/InstanceManager used in the signature] with root cause

java.lang.LinkageError: loader constraint violation: when resolving method "org.apache.jasper.runtime.InstanceManagerFactory.getInstanceManager(Ljavax/servlet/ServletConfig;)Lorg/apache/tomcat/InstanceManager;" the class loader (instance of org/apache/jasper/servlet/JasperLoader) of the current class, org/apache/jsp/index_jsp, and the class loader (instance of org/codehaus/plexus/classworlds/realm/ClassRealm) for the method's defining class, org/apache/jasper/runtime/InstanceManagerFactory, have different Class objects for the type org/apache/tomcat/InstanceManager used in the signature

	at org.apache.jsp.index_jsp._jspInit(index_jsp.java:32)

	at org.apache.jasper.runtime.HttpJspBase.init(HttpJspBase.java:49)

	at org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:180)

	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)

	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)

	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)

	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)

	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)

	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506)

	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)

	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)

	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)

	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)

	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:537)

	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1081)

	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:658)

	at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:222)

	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1566)

	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1523)

	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)

	at java.lang.Thread.run(Thread.java:745)

...全文
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kfyty725 2019-01-11
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maven依赖树： 


E:\MyWorkSpace\dubboDemo-consumer>mvn -Dverbose dependency:tree
[WARNING]
[WARNING] Some problems were encountered while building the effective settings
[WARNING] Unrecognised tag: 'id' (position: START_TAG seen ...</mirror>\r\n     -->\r\n\t \r\n      <id>... @160:11)  @ E:\Maven\bin\..\conf\settings.xml, line 160, column 11
[WARNING]
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for com.fyty:dubboDemo-consumer:war:0.0.1-SNAPSHOT
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ line 34, column 13
[WARNING]
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING]
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building dubboDemo-consumer 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-dependency-plugin:2.8:tree (default-cli) @ dubboDemo-consumer ---
[INFO] com.fyty:dubboDemo-consumer:war:0.0.1-SNAPSHOT
[INFO] +- com.fyty:dubboDemo-service:jar:0.0.1-SNAPSHOT:compile
[INFO] +- com.alibaba:dubbo:jar:2.6.5:compile
[INFO] |  +- (org.springframework:spring-context:jar:4.3.16.RELEASE:compile - omitted for conflict with 5.0.1.RELEASE)
[INFO] |  +- org.javassist:javassist:jar:3.20.0-GA:compile
[INFO] |  \- org.jboss.netty:netty:jar:3.2.5.Final:compile
[INFO] +- com.alibaba.spring:spring-context-support:jar:1.0.2:compile
[INFO] +- io.netty:netty-all:jar:4.1.32.Final:compile
[INFO] +- org.apache.curator:curator-framework:jar:4.1.0:compile
[INFO] |  \- org.apache.curator:curator-client:jar:4.1.0:compile
[INFO] |     +- (org.apache.zookeeper:zookeeper:jar:3.5.4-beta:compile - omitted for conflict with 3.4.13)
[INFO] |     +- com.google.guava:guava:jar:20.0:compile
[INFO] |     \- (org.slf4j:slf4j-api:jar:1.7.6:compile - omitted for conflict with 1.6.1)
[INFO] +- org.apache.curator:curator-recipes:jar:4.1.0:compile
[INFO] |  \- (org.apache.curator:curator-framework:jar:4.1.0:compile - omitted for duplicate)
[INFO] +- com.101tec:zkclient:jar:0.11:compile
[INFO] |  +- org.apache.zookeeper:zookeeper:jar:3.4.13:compile
[INFO] |  \- (org.slf4j:slf4j-api:jar:1.6.1:compile - omitted for conflict with 1.7.25)
[INFO] +- org.springframework:spring-core:jar:5.0.1.RELEASE:compile
[INFO] +- org.springframework:spring-context:jar:5.0.1.RELEASE:compile
[INFO] +- org.springframework:spring-web:jar:5.0.1.RELEASE:compile
[INFO] +- org.springframework:spring-beans:jar:5.0.1.RELEASE:compile
[INFO] +- org.springframework:spring-aop:jar:5.0.1.RELEASE:compile
[INFO] +- org.springframework:spring-expression:jar:5.0.1.RELEASE:compile
[INFO] +- org.springframework:spring-webmvc:jar:5.0.1.RELEASE:compile
[INFO] +- javax.servlet:servlet-api:jar:4.0:provided
[INFO] +- javax.servlet:jsp-api:jar:2.3:provided
[INFO] +- javax.el:el-api:jar:3.0:provided
[INFO] +- javax.annotation:annotations-api:jar:3.0:provided
[INFO] +- org.apache.tomcat:tomcat-jasper:jar:9.0:provided
[INFO] +- org.apache.tomcat:tomcat-jasper-el:jar:9.0:provided
[INFO] +- org.apache.tomcat.embed:tomcat-embed-core:jar:8.5.34:provided
[INFO] |  \- org.apache.tomcat:tomcat-annotations-api:jar:8.5.34:provided
[INFO] +- commons-logging:commons-logging:jar:1.2:compile
[INFO] +- org.slf4j:slf4j-api:jar:1.7.25:compile
[INFO] +- org.slf4j:slf4j-log4j12:jar:1.7.25:compile
[INFO] +- log4j:log4j:jar:1.2.17:compile
[INFO] \- junit:junit:jar:4.12:test
[INFO]    \- org.hamcrest:hamcrest-core:jar:1.3:test
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.083 s
[INFO] Finished at: 2019-01-11T12:30:20+08:00
[INFO] Final Memory: 13M/232M
[INFO] ------------------------------------------------------------------------
kfyty725 2019-01-11
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myeclipse 垃圾软件毁我青春，一模一样的文件，放在 idea 一次跑起来，但我还是想知道 myeclipse 中到底哪里冲突了
亲爱的Joe 2019-01-11
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have different Class objects for the type org/apache/tomcat/InstanceManager used in the signature

可能是InstanceManager 有重复了。
如果用的是Intellij工具,请打开File--Project Structure ，看看Problem里面有没有详细信息
IDEA中出现Java.lang.UnsupportedClassVersionError的问题该如何解决！
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webmagic采集CSDN的Java_WebDevelop页面
使用webmagic采集博客类的网站示例
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个人开发轻量级资产管理系统，python3+Django2+adminLTE，大佬请忽略。.zip
个人开发轻量级资产管理系统，python3+Django2+adminLTE，大佬请忽略。
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