咨询SessionPool使用技巧

[JavaCPlusMario]

Caused by: org.apache.iotdb.rpc.IoTDBConnectionException: timeout to get a connection from MyIPAddr:6667
at org.apache.iotdb.session.pool.SessionPool.getSession(SessionPool.java:557) ~[iotdb-session-1.3.0.jar!/:1.3.0]
at org.apache.iotdb.session.pool.SessionPool.executeQueryStatement(SessionPool.java:2963) ~[iotdb-session-1.3.0.jar!/:1.3.0]
at com.myapp.iotdb.util.IotDBUtil.executeQueryStatement(IotDBUtil.java:146) ~[myapp-common-iotdb-1.0-SNAPSHOT.jar!/:1.0-SNAPSHOT]
at com.myapp.BaseIoTQueryDAO.queryDevicePropertyData(BaseIoTQueryDAO.java:252) ~[myapp-common-iotdb-1.0-SNAPSHOT.jar!/:1.0-SNAPSHOT]
... 17 common frames omitted

为啥我得 SessionPool 经常 get a connection 超时

[CritasWang]

executeQueryStatement 的返回值记得 close。如果不 close 的话，对应的 session 会一直占用。