Exception in thread "main" java.io.FileNotFoundException: [E:\desktop\mnt3\output_7711\20140406_7711\ouput_D8150DFD771120140404150052!!!!!!14172.txt, E:\desktop\mnt3\output_7711\20140406_7711\ouput_D8150DFD771120140405143434!!!!!!14173.txt, E:\desktop\mnt3\output_7711\20140406_7711\ouput_D8150DFD771120140406151158!!!!!!14174.txt, E:\desktop\mnt3\output_7711\20140406_7711\（文件名或扩展名过长。）
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.(Unknown Source)
at java.io.FileReader.(Unknown Source)
at function.InsertActMysql.insertactmysql(InsertActMysql.java:49)
at run.Run.main(Run.java:44)
什么原因，怎么解决
明显看到是文件没找到错误。是否是文件命名不符合规则，换一种文件命名方式呢？