创建集群时在cassandra中的InvalidQueryException

当我在第一步尝试使用Cassandra的Playlist tutorial时，我遇到了异常。我在Google Compute Engine上创建一个虚拟机并安装cassandra 3.0.10（this link）。然后我做了本教程所说的。创建集群时在cassandra中的InvalidQueryException

Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: localhost/127.0.0.1:9042 (com.datastax.driver.core.exceptions.InvalidQueryException: unconfigured table schema_keyspaces)) 
    at com.datastax.driver.core.ControlConnection.reconnectInternal(ControlConnection.java:240) 
    at com.datastax.driver.core.ControlConnection.connect(ControlConnection.java:86) 
    at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:1455) 
    at com.datastax.driver.core.Cluster.init(Cluster.java:158) 
    at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:329) 
    at com.datastax.driver.core.Cluster.connect(Cluster.java:279) 
    at playlist.model.CassandraData.createSession(CassandraData.java:66) 
    at playlist.model.CassandraData.getSession(CassandraData.java:50) 
    at playlist.model.CassandraInfo.<init>(CassandraInfo.java:25) 
    at playlist.controller.HomeServlet.doGet(HomeServlet.java:23) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:687) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) 
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812) 
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:587) 
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) 
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:595) 
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223) 
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127) 
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515) 
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) 
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061) 
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) 
    at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:191) 
    at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:72) 
    at org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:742) 
    at org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:712) 
    at org.apache.jsp.index_jsp._jspService(index_jsp.java:123) 
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) 
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438) 
    ... 38 more

有人说com.datastax.cassandra的版本与Cassandra不匹配。在pom.xml中，com.datastax.cassandra的版本是2.1.10。尽管我将其更改为3.1.0，但仍然出现异常。
我应该采用哪种版本的com.datastax.cassandra？

顺便说一下，我可以使用com.datastax.cassandra3.1.0来访问Cassandra3.7。但使用com.datastax.cassandra2.1.10来访问Cassandra3.7得到了同样的异常。

来源

2017-01-17 niaomingjian

问题的确是版本的不一致性。当我使用Tomcat来部署此应用程序时，我可以成功从Web浏览器访问它。但是，使用cargo所采用的教程并不适合我。我不熟悉它。也许我做错了什么。

来源

2017-01-17 10:01:21 niaomingjian

创建集群时在cassandra中的InvalidQueryException

回答

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