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Fix undertow instrumentation with http pipelining #8400

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May 3, 2023
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Original file line number Diff line number Diff line change
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/*
* Copyright The OpenTelemetry Authors
* SPDX-License-Identifier: Apache-2.0
*/

package io.opentelemetry.javaagent.instrumentation.undertow;

import com.google.auto.service.AutoService;
import io.opentelemetry.javaagent.extension.ignore.IgnoredTypesBuilder;
import io.opentelemetry.javaagent.extension.ignore.IgnoredTypesConfigurer;
import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;

@AutoService(IgnoredTypesConfigurer.class)
public class UndertowIgnoredTypesConfigurer implements IgnoredTypesConfigurer {

@Override
public void configure(IgnoredTypesBuilder builder, ConfigProperties config) {
// When http pipelining is used HttpReadListener is passed to another worker thread to start
// processing next request when the context from the old request is still active. Prevent
// propagating context from the old request to the new one.
builder.ignoreTaskClass("io.undertow.server.protocol.http.HttpReadListener");
}
}