Exception in thread "main" java.lang.NumberFormatException: For input string: "1 "
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Integer.parseInt(Integer.java:580)
at java.lang.Integer.parseInt(Integer.java:615)
at com.monitorjbl.xlsx.impl.StreamingSheetReader.unformattedContents(StreamingSheetReader.java:316)
at com.monitorjbl.xlsx.impl.StreamingSheetReader.handleEvent(StreamingSheetReader.java:184)
at com.monitorjbl.xlsx.impl.StreamingSheetReader.getRow(StreamingSheetReader.java:76)
at com.monitorjbl.xlsx.impl.StreamingSheetReader.access$100(StreamingSheetReader.java:37)
at com.monitorjbl.xlsx.impl.StreamingSheetReader$StreamingRowIterator.hasNext(StreamingSheetReader.java:370)
at com.monitorjbl.xlsx.impl.StreamingSheetReader$StreamingRowIterator.<init>(StreamingSheetReader.java:364)
at com.monitorjbl.xlsx.impl.StreamingSheetReader.iterator(StreamingSheetReader.java:336)
at com.monitorjbl.xlsx.impl.StreamingSheet.iterator(StreamingSheet.java:49)
at ru.bvn13.test.App.main(App.java:96)
https://yadi.sk/d/7N-lbmgA3MGqCM - this one. Read it as described in your project's main page.