如何解决com.datastax.oss.driver.api.core.DriverTimeoutException:查询'SELECT * FROM system.local'在PT0.5S之后超时
当我尝试运行试图连接到Cassandra的Java应用程序时,出现以下异常:
com.datastax.oss.driver.api.core.DriverTimeoutException: query 'SELECT * FROM system.local' timed out after PT0.5S
DriverConfigLoader configBuilder = DriverConfigLoader.programmaticBuilder()
.withClass(DefaultDriverOption.AUTH_PROVIDER_CLASS,PlainTextAuthProvider.class)
.withString(DefaultDriverOption.AUTH_PROVIDER_USER_NAME,user)
.withString(DefaultDriverOption.AUTH_PROVIDER_PASSWORD,pass)
.withBoolean(DefaultDriverOption.CONNECTION_WARN_INIT_ERROR,false)
.withInt(DefaultDriverOption.CONNECTION_MAX_REQUESTS,32768)
.withDuration(DefaultDriverOption.REQUEST_TIMEOUT,Duration.ofSeconds(30))
.withDuration(DefaultDriverOption.CONNECTION_INIT_QUERY_TIMEOUT,Duration.ofSeconds(10)).build();
try {
cqlSession = CqlSession.builder().addContactPoints(hostsList).withKeyspace(keyspace)
.withLocalDatacenter(dataCenter).withConfigLoader(configBuilder).build();
} catch (Exception e) {
logger.error("CassandraConfig >> Unable to connect to database {}",e);
}
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