Sachin Mali created PDFBOX-4144:
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Summary: Pdf to image conversion not releasing memory after
conversion
Key: PDFBOX-4144
URL: https://issues.apache.org/jira/browse/PDFBOX-4144
Project: PDFBox
Issue Type: Bug
Components: Parsing, Rendering
Affects Versions: 2.0.8
Environment: Apache Tomcat/8.0.33, Linux, JDK 1.8
Reporter: Sachin Mali
I have written a program that accepts pdf and convert it to image. Please see
the below code for your reference.
ByteArrayInputStream ipStream = new
ByteArrayInputStream(document.getFile().getBytes());
PDDocument documentUploaded =
PDDocument.load(ipStream,MemoryUsageSetting.setupTempFileOnly());
documentUploaded.setResourceCache(new MyResourceCache());
//Disabled a resource cache
PDFRenderer pdfRenderer = new PDFRenderer(documentUploaded);
int pageCounter = 0;
for (PDPage page : documentUploaded.getPages())
{
BufferedImage bim = pdfRenderer.renderImageWithDPI(pageCounter,
300, ImageType.RGB);
pageCounter = pageCounter + 1;
// Some code here
bim.flush();
bim = null;
}
documentUploaded.close();
After/Before conversion i printed heap size used by using
Runtime.getRuntime().totalMemory() . Also I checked top command to see
percentage of memory used.But in both cases the memory keeps increasing after
each conversion and does not release used memory.After tomcat restart I get
cleaned memory.
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