java.lang.AbstractMethodError

[Ritesh raushan]

i got a error-
java.lang.AbstractMethodError: ch.qos.logback.classic.Logger.log(Lorg/slf4j/Marker;Ljava/lang/String;ILjava/lang/String;Ljava/lang/Throwable;)V
at org.apache.commons.logging.impl.SLF4JLocationAwareLog.info(SLF4JLocationAwareLog.java:159)

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 http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>org.vliv</groupId>
    <artifactId>cvj</artifactId>
    <name>cvj</name>
    <packaging>war</packaging>
    <version>1.0.0-SNAPSHOT</version>
    <properties>
        <org.springframework.version>3.1.1.RELEASE</org.springframework.version>
        <hibernate-core-version>4.1.2.Final</hibernate-core-version>
        <org.slf4j.version>1.5.11</org.slf4j.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <netbeans.hint.deploy.server>Tomcat</netbeans.hint.deploy.server>
        <downloadSources>true</downloadSources>
  <downloadJavadocs>true</downloadJavadocs>
    </properties>
    
    <dependencies>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-asm</artifactId>
            <version>3.1.1.RELEASE</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.mongodb</groupId>
            <artifactId>mongo-java-driver</artifactId>
            <version>2.9.1</version>
        </dependency>
		 
        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-mongodb</artifactId>
            <version>1.0.4.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>cglib</groupId>
            <artifactId>cglib</artifactId>
            <version>2.2.2</version>
        </dependency>

		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>log4j-over-slf4j</artifactId>
			<version>1.5.11</version>
		</dependency>

		
		<!--

		<dependency>
			<groupId>org.mongodb</groupId>
			<artifactId>mongo-java-driver</artifactId>
			<version>2.9.1</version>
		</dependency>
		 
		<dependency>
			<groupId>org.springframework.data</groupId>
			<artifactId>spring-data-mongodb</artifactId>
			<version>1.0.4.RELEASE</version>
		</dependency>
		
      		-->
                
                <dependency>
   <groupId>xuggle</groupId>
   <artifactId>xuggle-xuggler</artifactId>
   <version>5.2</version>
  </dependency>
<dependency>
        <groupId>com.nativelibs4java</groupId>
        <artifactId>bridj</artifactId>
        <version>0.6.2</version>
  </dependency>
  <dependency>
	<groupId>ch.qos.logback</groupId>
	<artifactId>logback-classic</artifactId>
	<version>0.9.27</version>
               
</dependency>
          <dependency>
	<groupId>ch.qos.logback</groupId>
	<artifactId>logback-core</artifactId>
	<version>0.9.27</version>
        
</dependency>
              
  
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${org.springframework.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${org.springframework.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>${org.springframework.version}</version>
        </dependency>
        
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-web</artifactId>
            <version>3.1.0.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-config</artifactId>
            <version>3.1.0.RELEASE</version>
        </dependency>
        
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-taglibs</artifactId>
            <version>3.1.0.RELEASE</version>
            <type>jar</type>
            <scope>compile</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework.webflow</groupId>
            <artifactId>spring-webflow</artifactId>
            <version>2.3.1.RELEASE</version>
        </dependency>

        <!-- Spring Framework -->
        <!-- Logging -->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-simple</artifactId>
            <version>1.5.11</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.5.11</version>
        </dependency>

        <!--  JSR 303 with Hibernate Validator -->
        <dependency>
            <groupId>javax.validation</groupId>
            <artifactId>validation-api</artifactId>
            <version>1.0.0.GA</version>
        </dependency>
        

        <!--  Joda Time -->
        <dependency>
            <groupId>joda-time</groupId>
            <artifactId>joda-time</artifactId>
            <version>1.6.2</version>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>joda-time</groupId>
            <artifactId>joda-time-jsptags</artifactId>
            <version>1.0.2</version>
            <scope>runtime</scope>
        </dependency>

        <!-- Servlet -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>2.5</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <version>2.1</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

        <!-- Test -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.7</version>
            <scope>test</scope>
        </dependency>
        <!-- For Hibernate  -->
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-validator</artifactId>
            <version>4.1.0.Final</version>
        </dependency>

        <dependency>
            <groupId>commons-lang</groupId>
            <artifactId>commons-lang</artifactId>
            <version>2.4</version>
        </dependency>
        
        <!-- Excel library --> 
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi</artifactId>
            <version>3.8</version>
        </dependency>
            

        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-core</artifactId>
            <version>4.1.2.Final</version>
        </dependency>
       
        <!-- tiles configuration -->
        <dependency>
            <groupId>org.apache.tiles</groupId>
            <artifactId>tiles-jsp</artifactId>
            <version>2.2.2</version>
        </dependency>

        <!-- JSON Mashaling -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
            <version>2.0.0</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>2.0.0</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.0.0</version>
        </dependency>
        <dependency>
            <groupId>javax.mail</groupId>
            <artifactId>mail</artifactId>
            <version>1.4.3</version>
        </dependency>
        <dependency>
            <groupId>c3p0</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.0.4</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.21</version>
        </dependency>      
         
        <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>1.2</version>
        </dependency>
        
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.4</version>
        </dependency> 
        
      
        <dependency>
            <groupId>commons-logging</groupId>
            <artifactId>commons-logging</artifactId>
            <version>1.1.1</version>
        </dependency>
        
        <dependency>
            <groupId>org.apache.velocity</groupId>
            <artifactId>velocity</artifactId>
            <version>1.5</version>
            <type>jar</type>
        </dependency>
        
        <!-- Brightcove Integration Lib -->
        <dependency>
            <groupId>com.brightcove</groupId>
            <artifactId>bc-commons-catalog-objects</artifactId>
            <version>4.1.9</version>
            <scope>system</scope>
            <systemPath>${basedir}/src/main/webapp/WEB-INF/lib/bc-commons-catalog-objects-4.1.9.jar</systemPath>
        </dependency>
        
        <dependency>
            <groupId>com.brightcove</groupId>
            <artifactId>bc-commons-collection-utils</artifactId>
            <version>4.1.9</version>
            <scope>system</scope>
            <systemPath>${basedir}/src/main/webapp/WEB-INF/lib/bc-commons-collection-utils-4.1.9.jar</systemPath>
        </dependency>
 
        <dependency>
            <groupId>com.brightcove</groupId>
            <artifactId>bc-commons-http-utils</artifactId>
            <version>4.1.9</version>
            <scope>system</scope>
            <systemPath>${basedir}/src/main/webapp/WEB-INF/lib/bc-commons-http-utils-4.1.9.jar</systemPath>
        </dependency>
        
        <dependency>
            <groupId>com.brightcove</groupId>
            <artifactId>bc-java-mapi-wrapper</artifactId>
            <version>4.1.9</version>
            <scope>system</scope>
            <systemPath>${basedir}/src/main/webapp/WEB-INF/lib/bc-java-mapi-wrapper-4.1.9.jar</systemPath>
        </dependency> 
                
        <dependency>
            <groupId>org.apache</groupId>
            <artifactId>httpclient</artifactId>
            <version>4.0.3</version>
            <scope>system</scope>
            <systemPath>${basedir}/src/main/webapp/WEB-INF/lib/httpclient-4.0.3.jar</systemPath>
        </dependency>
        
        <dependency>
            <groupId>org.apache</groupId>
            <artifactId>httpcore</artifactId>
            <version>4.1</version>
            <scope>system</scope>
            <systemPath>${basedir}/src/main/webapp/WEB-INF/lib/httpcore-4.1.jar</systemPath>
        </dependency>
        
        <dependency>
            <groupId>org.apache</groupId>
            <artifactId>json-org</artifactId>
            <version>1.0</version>
            <scope>system</scope>
            <systemPath>${basedir}/src/main/webapp/WEB-INF/lib/json-org.jar</systemPath>
        </dependency> 
        
        <dependency>
            <groupId>org.scribe</groupId>
            <artifactId>scribe</artifactId>
            <version>1.3.3</version>
        </dependency>
        
        
        
         <dependency>
	<groupId>net.sourceforge.jexcelapi</groupId>
	<artifactId>jxl</artifactId>
	<version>2.5.7</version>
        <scope>system</scope>
            <systemPath>${basedir}/src/main/webapp/WEB-INF/lib/jxl-2.5.7.jar</systemPath>
          </dependency>
            
		
		<!--

				<dependency>
			<groupId>org.springframework.social</groupId>
			<artifactId>spring-social-google</artifactId>
			<version>1.0.0.M2</version>
		</dependency>

		<dependency>
		  <groupId>com.google.apis</groupId>
		  <artifactId>google-api-services-discovery</artifactId>
		  <version>v1-rev17-1.13.2-beta</version>
		</dependency>

		        <dependency>
            <groupId>org.scribe</groupId>
            <artifactId>scribe</artifactId>
            <version>1.3.0</version>
            <scope>system</scope>
            <systemPath>${basedir}/src/main/webapp/WEB-INF/lib/scribe-1.3.0.jar</systemPath>
        </dependency>          


-->
		<dependency>
		   <groupId>log4j</groupId>
		   <artifactId>log4j</artifactId>
		   <version>1.2.14</version>
		   <type>jar</type>
		   <scope>compile</scope>
		</dependency>    
        
    </dependencies>
    <repositories>
        <!--        <repository>
            <id>terracotta-releases</id>
            <url>http://www.terracotta.org/download/reflector/releases</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>-->
        <repository>
            <id>sf-web-joda-time</id>
            <name>Sourceforge Site</name>
            <url>http://oss.sonatype.org/content/repositories/joda-releases</url>
        </repository>
        <repository>
            <id>repository.springsource.release</id>
            <name>SpringSource GA Repository</name>
            <url>http://repo.springsource.org/release</url>
        </repository>
        <repository>
            <id>com.springsource.repository.bundles.release</id>
            <name>EBR Spring Release Repository</name>
            <url>http://repository.springsource.com/maven/bundles/release</url>
        </repository>
        <repository>
            <id>com.springsource.repository.bundles.external</id>
            <name>EBR External Release Repository</name>
            <url>http://repository.springsource.com/maven/bundles/external</url>
        </repository>
		<!--        
		<repository>
		  <id>google-api-services</id>
		  <url>http://google-api-client-libraries.appspot.com/mavenrepo</url>
		</repository>
		-->
                <repository>
   <id>xuggle repo</id>
   <url>http://xuggle.googlecode.com/svn/trunk/repo/share/java/</url>
  </repository>
    </repositories> 
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.0.2</version>
                <configuration>
                    <source>1.6</source>
                    <target>1.6</target>
                    <showWarnings>true</showWarnings>
                    <encoding>${project.build.sourceEncoding}</encoding>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-war-plugin</artifactId>
                <version>2.0.2</version>
                <configuration>
                    <warName>cvj</warName>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-dependency-plugin</artifactId>
                <executions>
                    <execution>
                        <id>install</id>
                        <phase>install</phase>
                        <goals>
                            <goal>sources</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-resources-plugin</artifactId>
                <version>2.4.3</version>
                <configuration>
                    <encoding>${project.build.sourceEncoding}</encoding>
                </configuration>
            </plugin>

            <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>tomcat-maven-plugin</artifactId>
                <configuration>
                    <!--                    <warName>vliv</warName> -->
                    <warFile>./target/cvj.war</warFile>
                    <url>http://127.0.0.1:8080/manager</url>
                    <server>mytomcatserver</server>
                    <path>/cvj</path>
                </configuration>
            </plugin>		
		
        </plugins>
    </build>
</project>

[Jesper de Jong]

You are most likely using versions of SLF4J and Logback that don't match (for example, you're using a version of SLF4J that is newer than what your version of Logback expects).

Make sure you use versions of these libraries that work together.