Hello
I am trying to do some pretty simple stuff sending some large files
from a servlet.
The response is just a standard HttpServletResponse. The code looks
something like this:
---------------
response.setHeader(HTTP_CONTENT_DISPOSITION, "attachment; filename=" +
fileName);
response.setContentType(contentType);
response.setContentLength((int) resourceFile.length());
InputStream is = new FileInputStream(resourceFile);
OutputStream os = response.getOutputStream();
byte[] buf = new byte[BUFFER_SIZE];
int nbytes;
while ((nbytes = is.read(buf)) != -1) {
os.write(buf, 0, nbytes);
}
---------------
The exception thrown is as follows:
------------
java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2786)
at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:94)
at
java.util.zip.DeflaterOutputStream.deflate(DeflaterOutputStream.java:161)
at
java.util.zip.DeflaterOutputStream.write(DeflaterOutputStream.java:118)
at java.util.zip.GZIPOutputStream.write(GZIPOutputStream.java:72)
at
net.sf.ehcache.constructs.web.filter.FilterServletOutputStream.write(FilterServletOutputStream.java:58)
at
com.opensymphony.module.sitemesh.filter.RoutableServletOutputStream.write(RoutableServletOutputStream.java:118)
at
com.myapp.controllers.ResourceDownloadController.sendResource(ResourceDownloadController.java:127)
------------
I confess I dont really understand why it would be complaining here
since I am just writing streams. Does anyone have any ideas?
Also why is the stream being compressed? Any way to switch that off?
Thanks
Jonathan
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