打开部分ppt文件，出现NumberFormatException错误
这个的堆栈和之前提的那个不一样
文件放这里了 https://netcut.cn/1go3ht96r
错误如下：
- Code: Select all
java.lang.NumberFormatException: For input string: ""
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Long.parseLong(Long.java:601)
at java.lang.Long.parseLong(Long.java:631)
at com.spire.presentation.ClickHyperlink.spr‣┼(Unknown Source)
at com.spire.presentation.packages.sprskp.spr┮┹(Unknown Source)
at com.spire.presentation.packages.sprskp.spr┅┭(Unknown Source)
at com.spire.presentation.packages.sprskp.spr〠┹(Unknown Source)
at com.spire.presentation.packages.sprskp.<init>(Unknown Source)
at com.spire.presentation.packages.sprskp.<init>(Unknown Source)
at com.spire.presentation.Presentation.spr┲┹(Unknown Source)
at com.spire.presentation.Presentation.loadFromStream(Unknown Source)
at Main.processThumbnails(Main.java:44)
at Main.lambda$main$1(Main.java:86)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:750)
