The OutOfMemoryError occurs at the cb.addImage(img) line. The image I'm
trying to write is about 210,703 KB. I'm running the below code fragment
from a Servlet in JBOSS-5.0.1.GA, Itextpdf-5.0.7, and java version
"1.6.0_20".
I'm wondering if there is a simple fix to this problem like turning
streaming to disk on for large images which I've read does occur so I'm
not sure what the problem is. This problem does not occur in a
standalone Java class but so far only when run in my servlet container.
I'm running the 32 bit version of JBOSS so I can't up the VM (-Xms1280m
-Xmx1280m) memory any more then I already have. The images are only
going to get bigger.
java.lang.OutOfMemoryError
at java.io.FileOutputStream.writeBytes(Native Method)
at java.io.FileOutputStream.write(FileOutputStream.java:260)
at
java.io.BufferedOutputStream.write(BufferedOutputStream.java:105)
at
com.itextpdf.text.pdf.OutputStreamCounter.write(OutputStreamCounter.java
:157)
at
java.io.ByteArrayOutputStream.writeTo(ByteArrayOutputStream.java:109)
at com.itextpdf.text.pdf.PdfStream.toPdf(PdfStream.java:353)
at
com.itextpdf.text.pdf.PdfIndirectObject.writeTo(PdfIndirectObject.java:1
57)
at
com.itextpdf.text.pdf.PdfWriter$PdfBody.add(PdfWriter.java:396)
at
com.itextpdf.text.pdf.PdfWriter$PdfBody.add(PdfWriter.java:376)
at
com.itextpdf.text.pdf.PdfWriter$PdfBody.add(PdfWriter.java:329)
at com.itextpdf.text.pdf.PdfWriter.addToBody(PdfWriter.java:780)
at com.itextpdf.text.pdf.PdfWriter.add(PdfWriter.java:3096)
at
com.itextpdf.text.pdf.PdfWriter.addDirectImageSimple(PdfWriter.java:3071
)
at
com.itextpdf.text.pdf.PdfWriter.addDirectImageSimple(PdfWriter.java:2998
)
at
com.itextpdf.text.pdf.PdfContentByte.addImage(PdfContentByte.java:1228)
at
com.itextpdf.text.pdf.PdfContentByte.addImage(PdfContentByte.java:1110)
at
com.itextpdf.text.pdf.PdfContentByte.addImage(PdfContentByte.java:1094)
Code fragment:
PdfWriter writer = PdfWriter.getInstance(document, new
FileOutputStream(outPutFile));
document.open();
PdfContentByte cb = writer.getDirectContent();
Image img = Image.getInstance(firstImageName);
PdfLayer group = new PdfLayer("Layers", writer);
PdfLayer layer1 = new PdfLayer("image", writer);
group.addChild(layer1);
cb.beginLayer(group);
cb.endLayer();
cb.beginLayer(layer1);
cb.addImage(img); // the addImage where the out of memory occurs
cb.endLayer();
document.close();
Thanks.
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