changed the sonar version from 3.7 to sonarqube 5.1.1. and ran the build from jenkins getting Error
Failed to execute goal org.codehaus.mojo:sonar-maven-plugin:2.6:sonar (default-cli) on project integration-client: Execution default-cli of goal org.codehaus.mojo:sonar-maven-plugin:2.6:sonar failed: An API incompatibility was encountered while executing org.codehaus.mojo:sonar-maven-plugin:2.6:sonar: java.lang.UnsupportedClassVersionError: org/sonar/api/utils/SonarException : Unsupported major.minor version 51.0
i am using the java version 1.6 and maven version 3.2.3
previously with sonar 3.7 version it was working fine.