JMeter抛出“文件永不保留”错误

Question

在运行JMeter进行数据驱动测试时，JMeter抛出以下错误。没有提取大量数据。CSV文件包含大约1500个电子邮件ID，并且希望将测试提高到一百万。但是，测试本身在第一次尝试中失败。

请提出任何想法。感谢您的帮助。

2019-03-19 23:55:08,169 ERROR o.a.j.c.CSVDataSet: java.io.IOException: File never reserved: C:\Users\sp\Desktop\STM\STM-JMeterTests\emailAdd.csv
2019-03-19 23:55:08,572 INFO o.a.j.t.JMeterThread: Thread is done: emailAdd 1-5
2019-03-19 23:55:08,572 INFO o.a.j.t.JMeterThread: Thread finished: emailAdd 1-5
2019-03-19 23:55:08,594 ERROR o.a.j.c.CSVDataSet: java.io.IOException: File never reserved: C:\Users\sp\Desktop\STM\STM-JMeterTests\emailAdd.csv
2019-03-19 23:55:08,595 ERROR o.a.j.c.CSVDataSet: java.io.IOException: File never reserved: C:\Users\sp\Desktop\STM\STM-JMeterTests\emailAdd.csv
2019-03-19 23:55:08,607 INFO o.a.j.t.JMeterThread: Thread is done: emailAdd 1-4