https://issues.apache.org/bugzilla/show_bug.cgi?id=52055
--- Comment #13 from Sudhan Moghe <sudhan.mo...@gmail.com> ---
Rest of the stack trace is my application code.
I am starting async processing with
if (request.isAsyncSupported()) {
final AsyncContext asyncCtx = request.startAsync(request, response);
final Runnable command = new AsyncRequestProcessor(asyncCtx, this,
this.actionObjects);
Executor executor =
(Executor)request.getServletContext().getAttribute(Constants.ASYNC_REQUEST_EXECUTOR);
executor.execute(command);
}
Next line on stack trace is
ServletUtils.getBytesOfStream(ServletUtils.java:425)
Code of same is
public static ByteArrayInputStreamExt getBytesOfStream(final Map<String,
Object> helperMap, final InputStream stream, int len, boolean chunked) throws
IOException {
try {
ByteArrayInputStreamExt bais = (ByteArrayInputStreamExt)
helperMap.get(Constants.DATA);
byte[] tempBuf = null;
if (bais == null) {
tempBuf = new byte[len];
bais = new ByteArrayInputStreamExt(tempBuf);
} else {
tempBuf = bais.getBuffer();
}
int readSoFar = 0;
int bytesRead = 0;
while (len > readSoFar) {
bytesRead = stream.read(tempBuf, readSoFar, (len - readSoFar));
if (bytesRead == -1) {
if (chunked) {
if (readSoFar == 0) {
bais.reset(0);
return bais;
} else {
bais.reset(readSoFar);
return bais;
}
}
throw new IOException("Failed to read from inputstream");
}
readSoFar += bytesRead;
}
bais.reset(len);
return bais;
} catch (OutOfMemoryError th) {
logger.error("Creating a byte array of length: " + len + " has resulted
in OOM error: " + th.getMessage());
}
return null;
}
And this method is called with
ServletUtils.getBytesOfStream(request.getInputStream(), length);
This method is called in a loop reading 10MB at a time. For chunked, loop stops
with EOF. The ByteArrayInputStreamExt handling is for reusing the byte[].
This happens only when client aborts.
Let me know if you need anymore info. Which class should I check if I have to
debug this?
Thanks,
Sudhan
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