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POPOI - Excel remains held by some process and cannot be edited
 

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  1. POPOI - Excel remains held by some process and cannot be edited
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    <p>I am using POI to read,edit and write excel files. My process flow is like write an excel, read it and again write it.</p> <p>Then if I try to edit the file using normal desktop excel application while my Java app is still running, the excel cannot be saved, it says some process is holding the excel, I am properly closing all file handles.</p> <p>Please help and tell me how to fix this issue.</p> <pre><code>SXSSFWorkbook wb = new SXSSFWorkbook(WINDOW_SIZE); Sheet sheet = getCurrentSheet();//stores the current sheet in a instance variable for (int rowNum = 0; rowNum &lt; data.size(); rowNum++) { if (rowNum &gt; RECORDS_PER_SHEET) { if (rowNum % (RECORDS_PER_SHEET * numberOfSheets) == 1) { numberOfSheets++; setCurrentSheet(wb.getXSSFWorkbook().createSheet()); sheet = getCurrentSheet(); } } final Row row = sheet.createRow(effectiveRowCnt); for (int columnCount = 0; columnCount &lt; data.get(rowNum).size(); columnCount++) { final Object value = data.get(rowNum).get(columnCount); final Cell cell = row.createCell(columnCount); //This method creates the row and cell at the given loc and adds value createContent(value, cell, effectiveRowCnt, columnCount, false, false); } } public void closeFile(boolean toOpen) { FileOutputStream out = null; try { out = new FileOutputStream(getFileName()); wb.write(out); } finally { try { if (out != null) { out.close(); out = null; if(toOpen){ // Open the file for user with default program final Desktop dt = Desktop.getDesktop(); dt.open(new File(getFileName())); } } } } } </code></pre>
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    1. USParoTech
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    1. COAfter a bit of testing I suppose my output stream/ some other handle is taking some time to close. As, even if my Java app keeps running if I try after some time I am able to edit and save the file.
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      1. USParoTech
    2. COSo now how do I make sure my streams have closed properly?
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      1. USParoTech
    3. COShow us some code! Without knowing what you're currently doing, we can't help fix your issues!
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      1. USakokskis
 

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