运行Spring boot cassandra项目时出现异常

我通过为web，安全性，验证和spring-boot cassandra选择了一些依赖项来下载spring initializer项目 . 当我尝试运行./gradlew bootrun时，我在启动期间遇到以下异常

org.springframework.beans.factory.BeanCreationException：在类路径资源中定义名为'session'的bean时出错[org / springframework / boot / autoconfigure / data / cassandra / CassandraDataAutoConfiguration.class]：init方法的调用失败;嵌套异常是com.datastax.driver.core.exceptions.NoHostAvailableException：所有尝试查询的主机都失败了（尝试过：localhost / 127.0.0.1:9042(com.datastax.driver.core.exceptions.InvalidQueryException：unconfigured table schema_keyspaces ））org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean（AbstractAutowireCapableBeanFactory.java:1578）〜[spring-beans-4.2.4.RELEASE.jar：4.2.4.RELEASE] org.springframework.beans . or.s.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean（AbstractAutowireCapableBeanFactory）中的factory.support.AbstractAutowireCapableBeanFactory.doCreateBean（AbstractAutowireCapableBeanFactory.java:545）〜[spring-beans-4.2.4.RELEASE.jar：4.2.4.RELEASE] .java：482）〜[spring-beans-4.2.4.RELEASE.jar：4.2.4.RELEASE] org.springframework.beans.factory.support.AbstractBeanFactory $ 1.getObject（AbstractBeanFactory.java:306）〜[spring -beans-4.2.4.RELEASE.jar：4.2.4.RELEASE] at org.springframework.beans.factory.s upport.DefaultSingletonBeanRegistry.getSingleton（DefaultSingletonBeanRegistry.java:230）〜[spring-beans-4.2.4.RELEASE.jar：4.2.4.RELEASE] org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean（AbstractBeanFactory.java ：302）〜[spring-beans-4.2.4.RELEASE.jar：4.2.4.RELEASE] org.springframework.beans.factory.support.AbstractBeanFactory.getBean（AbstractBeanFactory.java:197）〜[spring-beans- 4.2.4.RELEASE.jar：4.2.4.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons（DefaultListableBeanFactory.java [spring-beans-4.2.4.RELEASE.jar：4.2.4.RELEASE ] org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization（AbstractApplicationContext.java:839）〜[spring-context-4.2.4.RELEASE.jar：4.2.4.RELEASE] org.springframework.context.support.AbstractApplicationContext org.springframework.boot.context.emb中的.refresh（AbstractApplicationContext.java:538）〜[spring-context-4.2.4.RELEASE.jar：4.2.4.RELEASE] edded.EmbeddedWebApplicationContext.refresh（EmbeddedWebApplicationContext.java:118）〜[spring-boot-1.3.2.RELEASE.jar：1.3.2.RELEASE] org.springframework.boot.SpringApplication.refresh（SpringApplication.java:766）[在org.springframework.boot.SpringApplication.createAndRefreshContext（SpringApplication.java:361）[spring-boot-1.3.2.RELEASE.jar：1.3 . 2.RELEASE] org.springframework.boot.SpringApplication.run（SpringApplication.java:307）[spring-boot-1.3.2.RELEASE.jar：1.3.2.RELEASE] org.springframework.boot.SpringApplication.run （SpringApplication.java:1191）[spring-boot-1.3.2.RELEASE.jar：1.3.2.RELEASE]在org.springframework.boot.SpringApplication.run（SpringApplication.java:1180）[spring-boot-1.3 . 2.RELEASE.jar：1.3.2.RELEASE] at com.anirudh.myretail.CassandratestApplication.main（CassandratestApplication.java:10）[main /：na]引起：com.datastax.driver.core.exceptions.NoHostAvailableException：所有主机尝试查询失败（尝试：localhos t / 127.0.0.1:9042(com.datastax.driver.core.exceptions.InvalidQueryException：unconfigured table schema_keyspaces））com.datastax.driver.core.ControlConnection.reconnectInternal（ControlConnection.java:240）〜[cassandra-driver- core-2.1.9.jar：na] at com.datastax.driver.core.ControlConnection.connect（ControlConnection.java:86）〜[cassandra-driver-core-2.1.9.jar：na] at com.datastax . driver.core.Cluster $ Manager.init（Cluster.java:1429）〜[cassandra-driver-core-2.1.9.jar：na] at com.datastax.driver.core.Cluster.init（Cluster.java:162） ）〜[cassandra-driver-core-2.1.9.jar：na] at com.datastax.driver.core..connectAsync（Cluster.java:341）〜[cassandra-driver-core-2.1.9.jar：na ] com.datastax.driver.core.Cluster.connectAsync（Cluster.java:314）〜[cassandra-driver-core-2.1.9.jar：na] at com.datastax.driver.core.Cluster.connect（Cluster .java：252）〜[cassandra-driver-core-2.1.9.jar：na] at org.springframework.cassandra.config.CassandraCqlSessionFactoryBean.afterPropertiesSet（CassandraCqlSessionFactoryBean.java:82）在org.springframework.data.cassandra.config.CassandraSessionFactoryBean.afterPropertiesSet（CassandraSessionFactoryBean.java:43）〜[spring-data-cassandra-1.3.2.RELEASE .jar：na] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods（AbstractAutowireCapableBeanFactory.java:1637)~ [spring-beans-4.2.4.RELEASE.jar：4.2.4.RELEASE] at atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean（AbstractAutowireCapableBeanFactory.java:1574）〜[spring-beans-4.2.4.RELEASE.jar：4.2.4.RELEASE]