连接池查询hive表，查询几次后报错查询不了，重启jboss 又可以正常查询

java.sql.SQLException: org.apache.thrift.transport.TTransportException: java.net.SocketException: Connection timed out

Caused by: org.apache.thrift.transport.TTransportException: java.net.SocketException: Connection timed out

Caused by: java.net.SocketException: Connection timed out

java.sql.SQLException: Error while cleaning up the server resources

Caused by: org.apache.thrift.transport.TTransportException: java.net.SocketException: Broken pipe