In order not to store my download data in memory, I'm saving the data into a temp file. To download the data I stream the data directly from file:
public void appendToResponse(WOResponse response, WOContext context) {
response.setHeader("application/octet-stream", "Content-Type");
response.setHeader("attachment; filename=" + fileName, "Content-Disposition");
try {
long dataLength = inputFile.length();
FileInputStream inputStream = new FileInputStream(inputFile);
response.setContentStream(inputStream, 0, dataLength);
} catch (IOException e) {
log.error("failed to get size: " + e.getMessage(), e);
}
}
This works as expected, but not when the app is deployed as a servlet container.
Has anybody a hint, why Content-Length=0 and only 0 bites are read in servlet container deployment?
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