Question

我有以下代码：

StringSerializer ss = StringSerializer.get();
String cf = "TEST";
CassandraHostConfigurator conf = new CassandraHostConfigurator("localhost:9160");
conf.setCassandraThriftSocketTimeout(40000);
conf.setExhaustedPolicy(ExhaustedPolicy.WHEN_EXHAUSTED_BLOCK);
conf.setRetryDownedHostsDelayInSeconds(5);
conf.setRetryDownedHostsQueueSize(128);
conf.setRetryDownedHosts(true);
conf.setLoadBalancingPolicy(new LeastActiveBalancingPolicy());
String key = Long.toString(System.currentTimeMillis());
Cluster cluster = HFactory.getOrCreateCluster("TestCluster", conf);
Keyspace keyspace = HFactory.createKeyspace("TestCluster", cluster);
Mutator<String> mutator = HFactory.createMutator(keyspace, StringSerializer.get());    int count = 0;
while (!"q".equals(new Scanner( System.in).next())) {
    try{
        mutator.insert(key, cf, HFactory.createColumn("column_" + count, "v_" + count, ss, ss));
    count++;
    } catch (Exception e) {
        e.printStackTrace();
    }
}

我可以使用它写一些值，但是当我重新启动cassandra时，它会失败。这是日志：

[15:11:07] INFO [CassandraHostRetryService]已启动主机重试服务＆gt;队列大小为128，重试延迟时间为5秒 [15:11:07] INFO [JmxMonitor]注册JMX＆gt; me.prettyprint.cassandra.service_ASG：ServiceType = hector，MonitorType = hector [15:11:17]错误[HThriftClient]无法在客户端关闭时刷新传输（预期＆gt;如果池正在关闭）：CassandraClient org.apache.thrift.transport.TTransportException：java.net.SocketException：Broken pipe at＆gt; org.apache.thrift.transport.TIOStreamTransport.write（TIOStreamTransport.java:147）在org.apache.thrift.transport.TFramedTransport.flush（TFramedTransport.java:156） at＆gt; me.prettyprint.cassandra.connection.client.HThriftClient.close（HThriftClient.java:98） at＆gt; me.prettyprint.cassandra.connection.client.HThriftClient.close（HThriftClient.java:26） at＆gt; me.prettyprint.cassandra.connection.HConnectionManager.closeClient（HConnectionManager.java:308） at＆gt; me.prettyprint.cassandra.connection.HConnectionManager.operateWithFailover（HConnectionManager.java:257） at＆gt; me.prettyprint.cassandra.model.ExecutingKeyspace.doExecuteOperation（ExecutingKeyspace.java:97） at me.prettyprint.cassandra.model.MutatorImpl.execute（MutatorImpl.java:243） at me.prettyprint.cassandra.model.MutatorImpl.insert（MutatorImpl.java:69）在com.app.App.main（App.java:40）引起：java.net.SocketException：管道损坏 at java.net.SocketOutputStream.socketWrite0（Native Method）在java.net.SocketOutputStream.socketWrite（SocketOutputStream.java:109）在java.net.SocketOutputStream.write（SocketOutputStream.java:153） at＆gt; org.apache.thrift.transport.TIOStreamTransport.write（TIOStreamTransport.java:145） ......还有9个 [15:11:17] ERROR [HConnectionManager] MARK主机为主机＆gt; localhost（127.0.0.1）：9160向下触发 [15:11:17] ERROR [HConnectionManager]关闭时的池状态：＆gt;：{localhost（127.0.0.1）：9160}; IsActive？：是的;有效：1;被阻止：0;空闲：15; NumBeforeExhausted：49 [15:11:17] INFO [ConcurrentHClientPool]关闭时触发：{localhost（127.0.0.1）：9160} [15:11:17] INFO [ConcurrentHClientPool]关闭完成：{localhost（127.0.0.1）：9160} [15:11:17] INFO [CassandraHostRetryService]检测到关闭的主机被添加到重试队列：localhost（127.0.0.1）：9160 [15:11:17]警告[HConnectionManager]无法在此主机上填写请求CassandraClient [15:11:17]警告[HConnectionManager]例外： me.prettyprint.hector.api.exceptions.HectorTransportException：org.apache.thrift.transport.TTransportException：java.net.SocketException：Broken pipe at＆gt; me.prettyprint.cassandra.connection.client.HThriftClient.getCassandra（HThriftClient.java:82） at＆gt; me.prettyprint.cassandra.connection.HConnectionManager.operateWithFailover（HConnectionManager.java:236） at＆gt; me.prettyprint.cassandra.model.ExecutingKeyspace.doExecuteOperation（ExecutingKeyspace.java:97） at me.prettyprint.cassandra.model.MutatorImpl.execute（MutatorImpl.java:243） at me.prettyprint.cassandra.model.MutatorImpl.insert（MutatorImpl.java:69）在com.app.App.main（App.java:40）引起：org.apache.thrift.transport.TTransportException：java.net.SocketException：Broken pipe 在org.apache.thrift.transport.TIOStreamTransport.write（TIOStreamTransport.java:147）在org.apache.thrift.transport.TFramedTransport.flush（TFramedTransport.java:157）在org.apache.cassandra.thrift.Cassandra $ Client.send_set_keyspace（Cassandra.java:466）在org.apache.cassandra.thrift.Cassandra $ Client.set_keyspace（Cassandra.java:455） at＆gt; me.prettyprint.cassandra.connection.client.HThriftClient.getCassandra（HThriftClient.java:78） ......还有5个引起：java.net.SocketException：管道损坏 at java.net.SocketOutputStream.socketWrite0（Native Method）在java.net.SocketOutputStream.socketWrite（SocketOutputStream.java:109）在java.net.SocketOutputStream.write（SocketOutputStream.java:153） at＆gt; org.apache.thrift.transport.TIOStreamTransport.write（TIOStreamTransport.java:145） ......还有9个 [15:11:17] INFO [HConnectionManager]客户端CassandraClient发布到非活动或死池。关闭。 [15:11:17] INFO [HConnectionManager]客户端CassandraClient发布到非活动或死池。关闭。 [15:11:17] INFO [HConnectionManager]添加了主机localhost（127.0.0.1）：9160到池

Answer 1

你已经设置 -

conf.setRetryDownedHostsDelayInSeconds(5);

尝试在重启后等待超过5秒钟。此外，您可能需要升级。

您设置的 thrift_max_message_length_in_mb 的大小是多少？

亲切的问候。

如何使用Hector重新连接到Cassandra？

1 个答案: