Include actual entries when we do not find a Document-entry

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1771394 13f79535-47bb-0310-9956-ffa450edef68
2016-11-25 22:07:45 +00:00 · 2016-11-25 22:07:45 +00:00 · ed975b0efa
parent e2b22e51f7
commit ed975b0efa
1 changed files with 1 additions and 1 deletions
--- a/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbook.java
+++ b/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbook.java
@ -287,7 +287,7 @@ public final class HSSFWorkbook extends POIDocument implements org.apache.poi.ss
        }

        throw new IllegalArgumentException("The supplied POIFSFileSystem does not contain a BIFF8 'Workbook' entry. "
-            + "Is it really an excel file?");
+            + "Is it really an excel file? Had: " + directory.getEntryNames());
    }

    /**