java.lang.NullPointerException: Cannot invoke "String.indexOf(String)" because "duration" is null
at com.pcl.util.VideoUtil.getIntSecond(VideoUtil.java:249) ~[classes!/:0.0.1-SNAPSHOT]
at com.pcl.util.VideoUtil.getExceetTime(VideoUtil.java:239) ~[classes!/:0.0.1-SNAPSHOT]
at com.pcl.service.DataSetService.runChouZhen(DataSetService.java:450) ~[classes!/:0.0.1-SNAPSHOT]
at com.pcl.service.DataSetService.lambda$chouZhen$2(DataSetService.java:396) ~[classes!/:0.0.1-SNAPSHOT]
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) ~[na:na]
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) ~[na:na]
at java.base/java.lang.Thread.run(Thread.java:832) ~[na:na]