cassandra - 防止记录错误的Cassandra接触点的堆栈跟踪

当使用Datastax Java驱动程序的Cassandra客户端程序被赋予无效的联系点（计算机的主机名而不是实际运行的Cassandra守护程序）时，驱动程序本身会记录堆栈跟踪。然而，堆栈跟踪毫无价值，因为存在配置错误而不是错误，并且之前是一条信息量更大的警告消息。

如何在这种情况下配置Cassandra驱动程序不要抛出异常，或者配置logback 而不是来记录堆栈跟踪？

以下是我目前收到的嘈杂日志消息：

2015-05-07 13:55:22,758 my-program: WARN You listed test-host-2.example.com/172.16.12.202:9042 in your contact points, but it could not be reached at startup
2015-05-07 13:55:22,919 my-program: WARN Some contact points don't match specified local data center. Local DC = DC1. Non-conforming contact points: /172.16.12.204:9042 (DC2)
2015-05-07 13:55:28,105 my-program: ERROR Error creating pool to test-host-2.example.com/172.16.12.202:9042
com.datastax.driver.core.TransportException: [test-host-2.example.com/172.16.12.202:9042] Cannot connect
    at com.datastax.driver.core.Connection.(Connection.java:106) ~[my-program-1.0.0.1.jar:1.0.0.1]
    at com.datastax.driver.core.PooledConnection.(PooledConnection.java:32) ~[my-program-1.0.0.1.jar:1.0.0.1]
    at com.datastax.driver.core.Connection$Factory.open(Connection.java:521) ~[my-program-1.0.0.1.jar:1.0.0.1]
    at com.datastax.driver.core.SingleConnectionPool.(SingleConnectionPool.java:76) ~[my-program-1.0.0.1.jar:1.0.0.1]
    at com.datastax.driver.core.HostConnectionPool.newInstance(HostConnectionPool.java:35) ~[my-program-1.0.0.1.jar:1.0.0.1]
    at com.datastax.driver.core.SessionManager.replacePool(SessionManager.java:239) ~[my-program-1.0.0.1.jar:1.0.0.1]
    at com.datastax.driver.core.SessionManager.access$400(SessionManager.java:39) ~[my-program-1.0.0.1.jar:1.0.0.1]
    at com.datastax.driver.core.SessionManager$3.call(SessionManager.java:272) [my-program-1.0.0.1.jar:1.0.0.1]
    at com.datastax.driver.core.SessionManager$3.call(SessionManager.java:264) [my-program-1.0.0.1.jar:1.0.0.1]
    at java.util.concurrent.FutureTask.run(FutureTask.java:262) [na:1.7.0_75]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_75]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_75]
    at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]
Caused by: org.jboss.netty.channel.ConnectTimeoutException: connection timed out: test-host-2.example.com/172.16.12.202:9042
    at org.jboss.netty.channel.socket.nio.NioClientBoss.processConnectTimeout(NioClientBoss.java:137) ~[my-program-1.0.0.1.jar:1.0.0.1]
    at org.jboss.netty.channel.socket.nio.NioClientBoss.process(NioClientBoss.java:83) ~[my-program-1.0.0.1.jar:1.0.0.1]
    at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:318) ~[my-program-1.0.0.1.jar:1.0.0.1]
    at org.jboss.netty.channel.socket.nio.NioClientBoss.run(NioClientBoss.java:42) ~[my-program-1.0.0.1.jar:1.0.0.1]
    ... 3 common frames omitted

防止记录错误的Cassandra接触点的堆栈跟踪

2 个答案: