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Add debug logs for http2 stream errors #4515

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merged 3 commits into from
Nov 7, 2022
Merged

Add debug logs for http2 stream errors #4515

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53e331e
log streaming error
jrhee17 Nov 2, 2022
fb03f19
address comments by @minwoox
jrhee17 Nov 3, 2022
7d1fb8e
add trace logs for expected exceptions
jrhee17 Nov 3, 2022
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10 changes: 9 additions & 1 deletion core/src/main/java/com/linecorp/armeria/internal/common/AbstractHttp2ConnectionHandler.java
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,7 @@
import io.netty.handler.codec.http2.Http2ConnectionEncoder;
import io.netty.handler.codec.http2.Http2ConnectionHandler;
import io.netty.handler.codec.http2.Http2Exception;
import io.netty.handler.codec.http2.Http2Exception.StreamException;
import io.netty.handler.codec.http2.Http2Settings;
import io.netty.handler.codec.http2.Http2Stream.State;
import io.netty.handler.codec.http2.Http2StreamVisitor;
Expand Down Expand Up @@ -111,13 +112,20 @@ protected final void onConnectionError(ChannelHandlerContext ctx, boolean outbou

handlingConnectionError = true;
if (Exceptions.isExpected(cause) || isGoAwaySentException(cause, connection())) {
// Ignore silently.
logger.trace("{} HTTP/2 connection error:", ctx.channel(), cause);
} else {
logger.warn("{} HTTP/2 connection error:", ctx.channel(), cause);
}
super.onConnectionError(ctx, outbound, cause, filterHttp2Exception(cause, http2Ex));
}

@Override
protected void onStreamError(ChannelHandlerContext ctx, boolean outbound, Throwable cause,
StreamException http2Ex) {
logger.debug("{} HTTP/2 stream error:", ctx.channel(), cause);
super.onStreamError(ctx, outbound, cause, http2Ex);
}

private static Http2Exception filterHttp2Exception(Throwable cause, @Nullable Http2Exception http2Ex) {
if (http2Ex != null) {
return http2Ex;
Expand Down