I've been working with the HSSF4 Java POI procedures that I downloaded from
the links
previously listed on this mail list. I was able to get an RPG program to
write out
to a new Excel spreadsheet but I am having a problem getting a program to
read from
an existing Excel spreadsheet.
I've included the error message, section of code in the HSSF4 service
program where
the error is occuring and the entire RPG program that I am calling. This
program
is a version of the UPDDEMO RPG program that was part of the code in the
www.iseriesnetwork.com/noderesources/code/clubtechcode/ExcelCrtDemo.zip
examples.
Does anyone know why I am receiving the following error? The error is
occuring on
the following line in the RPG program:
book = hssf_open('/excel/BBNExpress.xls');
Thanks!
Here's the detailed message that I am receiving:
Message ID . . . . . . : RNX0301 Severity . . . . . . . : 50
Message . . . . : Java exception received when calling Java method.
Cause . . . . . : RPG procedure HSSF_OPEN in program CBSCUSTM/HSSFR4
received Java exception "java.lang.UnsatisfiedLinkError:" when calling
method "<ini" with signature "" in class
"org.apache.poi.hssf.usermodel.HSSFWorkbook".
Below is the section of the HSSFR4 service program where the error occurred.
The error occurred on line 1266 / 126500.
Program: HSSFR4 Library: CBSCUSTM Module: HSSFR4
1262 126100 /free
1263 126200 wwStr = new_String(peFilename);
1264 126300 wwFile = new_FileInputStream(wwStr);
1265 126400 wwPOIFS = new_POIFSFileSystem(wwFile);
1266 126500 wwBook = new_HSSFWorkbookFromPOIFS(wwPOIFS); <---
Error
1267 126600
1268 126700 closeFile(wwFile);
Here is the entire RPG program. The HSSFR4 service program is part of the
OSBBNDDIR binding directory.
H DFTACTGRP(*NO)
H OPTION(*SRCSTMT: *NODEBUGIO: *NOSHOWCPY)
H THREAD(*SERIALIZE)
H BNDDIR('OSBBNDDIR' : 'QC2LE')
/copy qOSBCPYSRC,hssf_h
D book s like(HSSFWorkbook)
D sheet s like(HSSFSheet)
D row s like(HSSFRow)
D cell s like(HSSFCell)
D TempStr s like(jString)
D StrVal s 52A varying
D NumVal s 8F
D type s 10I 0
D String_getBytes...
D pr 1024A varying
D extproc(*JAVA:
D 'java.lang.String':
D 'getBytes')
* Put environment variable
D PutEnv pr 10i 0 ExtProc('putenv')
D EnvVar * value options(*string)
D rc s 10i 0
/free
// set CLASSPATH environment
rc = putenv('CLASSPATH=/excel/POI-2.0.jar');
hssf_begin_object_group(100);
// Load the BBN Express Spreadsheet into memory
book = hssf_open('/excel/BBNExpress.xls'); <--- Error
// Get the cell
sheet = hssf_getSheet(book: 'Sept 20');
row = HSSFSheet_getRow(sheet: 2);
cell = HSSFRow_GetCell(row: 2);
type = HSSFCell_getCellType(cell);
StrVal = 'Cell B2 = ';
select;
when type = CELL_TYPE_STRING;
StrVal +=
String_getBytes(HSSFCell_getStringCellValue(cell));
when type = CELL_TYPE_FORMULA;
StrVal += String_getBytes(HSSFCell_getCellFormula(cell));
when type = CELL_TYPE_NUMERIC;
NumVal = HSSFCell_getNumericCellValue(cell);
StrVal += %char(%dech(NumVal:15:2));
endsl;
dsply StrVal;
hssf_save(book: '/excel/BBNExpress.xls');
hssf_end_object_group();
*inlr = *on;
/end-free
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