ijokarumawak commented on a change in pull request #3578: NIFI-5952 [WIP]
Fixing RAW S2S illegal blocking mode on Java 11
URL: https://github.com/apache/nifi/pull/3578#discussion_r301908370
##########
File path:
nifi-commons/nifi-site-to-site-client/src/main/java/org/apache/nifi/remote/codec/StandardFlowFileCodec.java
##########
@@ -56,13 +62,32 @@ public void encode(final DataPacket dataPacket, final
OutputStream encodedOut) t
writeString(entry.getValue(), out);
}
- out.writeLong(dataPacket.getSize());
+ final long dataSize = dataPacket.getSize();
+ out.writeLong(dataSize);
final InputStream in = dataPacket.getData();
- StreamUtils.copy(in, encodedOut);
+ copy(dataSize, in, encodedOut);
encodedOut.flush();
}
+ private long copy(long length, final InputStream source, final
OutputStream destination) throws IOException {
+
+ final StopWatch stopWatch = new StopWatch(false);
+ final byte[] buffer = new byte[8192];
+ long totalRead = 0;
+ // Use 'available' so that it doesn't block
+ for (int available; totalRead < length && (available =
source.available()) > 0;) {
Review comment:
Thank you for catching this. I think this is a leftover while I was trying
different things. Reverted changes to StandardFlowFileCodec.
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