我希望使用Docker来启动我的应用程序和Cassandra数据库,并且我想使用Docker Compose来实现。不幸的是,Cassandra启动比我的应用程序慢得多,由于我的应用程序急切地初始化了Cluster
对象,因此我会收到以下异常:
com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: cassandra/172.18.0.2:9042 (com.datastax.driver.core.exceptions.TransportException: [cassandra/172.18.0.2:9042] Cannot connect))
at com.datastax.driver.core.ControlConnection.reconnectInternal(ControlConnection.java:233)
at com.datastax.driver.core.ControlConnection.connect(ControlConnection.java:79)
at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:1454)
at com.datastax.driver.core.Cluster.init(Cluster.java:163)
at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:334)
at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:309)
at com.datastax.driver.core.Cluster.connect(Cluster.java:251)
根据堆栈跟踪和一些调试,看起来Cassandra Java驱动程序不会将重试策略应用于初始启动。这对我来说有点奇怪。是否有一种方式可以配置驱动程序,以便它将继续尝试连接到服务器直到成功?