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[#1595] Fix IllegalStateException thrown by HttpObjectEncoder when an empty HttpContent was written

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This commit is contained in:
Norman Maurer 2013-07-17 12:01:50 +02:00
parent b9bae2b5e4
commit 66c4c07ec0
1 changed files with 11 additions and 0 deletions
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11
codec-http/src/main/java/io/netty/handler/codec/http/HttpObjectEncoder.java
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@ -16,6 +16,7 @@
package io.netty.handler.codec.http;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToMessageEncoder;
import io.netty.util.CharsetUtil;
@ -81,6 +82,10 @@ public abstract class HttpObjectEncoder<H extends HttpMessage> extends MessageTo
if (state == ST_CONTENT_NON_CHUNK) {
if (contentLength > 0) {
out.add(content.retain());
} else {
// Need to produce some output otherwise an
// IllegalstateException will be thrown
out.add(Unpooled.EMPTY_BUFFER);
}
if (chunk instanceof LastHttpContent) {
@ -110,6 +115,12 @@ public abstract class HttpObjectEncoder<H extends HttpMessage> extends MessageTo
}
state = ST_INIT;
} else {
if (contentLength == 0) {
// Need to produce some output otherwise an
// IllegalstateException will be thrown
out.add(Unpooled.EMPTY_BUFFER);
}
}
} else {
throw new Error();