fix jenkins err

tests/Jenkinsfile

@@ -114,14 +114,6 @@ pipeline {
                 java -jar target/JdbcRestfulDemo-jar-with-dependencies.jar
                 '''
             }
-            catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
-                sh '''
-                cd ${WKC}/src/connector/jdbc
-                mvn clean package -Dmaven.test.skip=true >/dev/null 
-                cd ${WKC}/tests/examples/JDBC/JDBCDemo/
-                java --class-path=../../../../src/connector/jdbc/target:$JAVA_HOME/jre/lib/ext -jar target/JDBCDemo-SNAPSHOT-jar-with-dependencies.jar -host 127.0.0.1
-                '''
-            }
             catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
                 sh '''
                 cp -rf ${WKC}/tests/examples/nodejs ${JENKINS_HOME}/workspace/