kylin failed to connect postgress metastore

[fakhar101]

I want to use postgres as a external metastore of kylin instead of mysql and while connecting with postgres I am facing the following ERROR.

ERROR [localhost-startStop-1] context.ContextLoader:350 : Context initialization failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'diagnosisService': Unsatisfied dependency expressed through field 'aclEvaluate'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'aclEvaluate': Unsatisfied dependency expressed through field 'aclUtil'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'aclUtil' defined in URL [jar:file:/home/hadoop/apache-kylin-4.0.0-bin-spark3/tomcat/webapps/kylin/WEB-INF/lib/kylin-server-base-4.0.0.jar!/org/apache/kylin/rest/util/AclUtil.class]: Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'expressionHandler' defined in class path resource [kylinSecurity.xml]: Cannot resolve reference to bean 'permissionEvaluator' while setting bean property 'permissionEvaluator'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'permissionEvaluator' defined in class path resource [kylinSecurity.xml]: Cannot resolve reference to bean 'aclService' while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'aclService' defined in URL [jar:file:/home/hadoop/apache-kylin-4.0.0-bin-spark3/tomcat/webapps/kylin/WEB-INF/lib/kylin-server-base-4.0.0.jar!/org/apache/kylin/rest/service/AclService.class]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.kylin.rest.service.AclService]: Constructor threw exception; nested exception is java.lang.IllegalArgumentException: Failed to find metadata store by url: kylin_metadata@jdbc,driverClassName=org.postgresql.Driver,url=jdbc:postgresql://hostname:5432/kylin,username=xyz,password=abc,maxActive=10,maxIdle=10
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588) ~[spring-beans-4.3.26.RELEASE.jar:4.3.26.RELEASE]
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87) ~[spring-beans-4.3.26.RELEASE.jar:4.3.26.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366) ~[spring-beans-4.3.26.RELEASE.jar:4.3.26.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1257) ~[spring-beans-4.3.26.RELEASE.jar:4.3.26.RELEASE]

    at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:211) ~[spring-beans-4.3.26.RELEASE.jar:4.3.26.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1132) ~[spring-beans-4.3.26.RELEASE.jar:4.3.26.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1060) ~[spring-beans-4.3.26.RELEASE.jar:4.3.26.RELEASE]
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:585) ~[spring-beans-4.3.26.RELEASE.jar:4.3.26.RELEASE]
    ... 28 more

Caused by: org.postgresql.util.PSQLException: ERROR: unrecognized configuration parameter "tables"
at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2284) ~[postgresql-9.4.1208.jre7.jar:9.4.1208.jre7]
at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2003) ~[postgresql-9.4.1208.jre7.jar:9.4.1208.jre7]
at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:200) ~[postgresql-9.4.1208.jre7.jar:9.4.1208.jre7]
at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:424) ~[postgresql-9.4.1208.jre7.jar:9.4.1208.jre7]
at org.postgresql.jdbc.PgPreparedStatement.executeWithFlags(PgPreparedStatement.java:161) ~[postgresql-9.4.1208.jre7.jar:9.4.1208.jre7]