java.io.IOException: Invalid header signature; read 0, expected -2226271756974174256

sourceforge.net | 8 months ago
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    sourceforge.net | 8 months ago
    java.io.IOException: Invalid header signature; read 0, expected -2226271756974174256
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Root Cause Analysis

  1. java.io.IOException

    Invalid header signature; read 0, expected -2226271756974174256

    at org.apache.poi.poifs.storage.HeaderBlockReader.<init>()
  2. POI
    HSSFWorkbook.<init>
    1. org.apache.poi.poifs.storage.HeaderBlockReader.<init>(HeaderBlockReader.java:88)
    2. org.apache.poi.poifs.filesystem.POIFSFileSystem.<init>(POIFSFileSystem.java:83)
    3. org.apache.poi.hssf.usermodel.HSSFWorkbook.<init>(HSSFWorkbook.java:210)
    4. org.apache.poi.hssf.usermodel.HSSFWorkbook.<init>(HSSFWorkbook.java:191)
    4 frames
  3. tracker
    TimeTracker$22.run
    1. tracker.TimecardSpreadsheet.openWorkbook(TimecardSpreadsheet.java:145)
    2. tracker.TimecardSpreadsheet.<init>(TimecardSpreadsheet.java:53)
    3. tracker.TimeTracker.tick(TimeTracker.java:597)
    4. tracker.TimeTracker.access$1200(TimeTracker.java:41)
    5. tracker.TimeTracker$22.run(TimeTracker.java:387)
    5 frames
  4. Java RT
    TimerThread.run
    1. java.util.TimerThread.mainLoop(Unknown Source)
    2. java.util.TimerThread.run(Unknown Source)
    2 frames