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Merged
merged 15 commits into from
Jul 18, 2025
Merged

Update play mvc to use AdviceScope #13140

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b802d15
add code attributes to play mvc
jaydeluca Jan 31, 2025
1546f93
Merge branch 'main' of github.com:jaydeluca/opentelemetry-java-instru…
jaydeluca Jul 11, 2025
0450f64
make AdviceScope class consistent, update test and remove deprecated …
jaydeluca Jul 11, 2025
a6220e8
code review notes
jaydeluca Jul 15, 2025
f2315e3
finish moving logic into advicescope class
jaydeluca Jul 15, 2025
f7d1652
remove code attributes
jaydeluca Jul 15, 2025
ed566b9
no longer need actiondata
jaydeluca Jul 15, 2025
760e04d
revert instrumenter changes, move advicescope into advice class
jaydeluca Jul 16, 2025
091d26e
inline scope within advicescope
jaydeluca Jul 16, 2025
a24f019
fix nesting and cast
jaydeluca Jul 16, 2025
4fe2bdd
migrate 2.6 too
jaydeluca Jul 16, 2025
94ebe69
remove cast
jaydeluca Jul 16, 2025
cb48f8f
move updateSpan into future wrapper
jaydeluca Jul 17, 2025
9324fbc
Merge branch 'main' into add-code-attributes-play-mvc
laurit Jul 18, 2025
e585f56
fix indy convertsion
laurit Jul 18, 2025
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70 changes: 45 additions & 25 deletions ...main/java/io/opentelemetry/javaagent/instrumentation/play/v2_4/ActionInstrumentation.java
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
import io.opentelemetry.context.Scope;
import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
import javax.annotation.Nullable;
import net.bytebuddy.asm.Advice;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.matcher.ElementMatcher;
Expand Down Expand Up @@ -49,41 +50,60 @@ public void transform(TypeTransformer transformer) {
@SuppressWarnings("unused")
public static class ApplyAdvice {

@Advice.OnMethodEnter(suppress = Throwable.class)
public static void onEnter(
@Advice.Argument(0) Request<?> req,
@Advice.Local("otelContext") Context context,
@Advice.Local("otelScope") Scope scope) {
Context parentContext = currentContext();
if (!instrumenter().shouldStart(parentContext, null)) {
return;
public static class AdviceScope {
private final Context context;
private final Scope scope;

public AdviceScope(Context context, Scope scope) {
this.context = context;
this.scope = scope;
}

@Nullable
public static AdviceScope start(Context parentContext) {
if (!instrumenter().shouldStart(parentContext, null)) {
return null;
}

Context context = instrumenter().start(parentContext, null);
return new AdviceScope(context, context.makeCurrent());
}

context = instrumenter().start(parentContext, null);
scope = context.makeCurrent();
public void end(
@Nullable Throwable throwable,
Future<Result> responseFuture,
Action<?> thisAction,
Request<?> req) {
scope.close();
updateSpan(context, req);

if (throwable == null) {
// span finished in RequestCompleteCallback
responseFuture.onComplete(
new RequestCompleteCallback(context), thisAction.executionContext());
} else {
instrumenter().end(context, null, null, throwable);
}
}
}

@Advice.OnMethodEnter(suppress = Throwable.class)
public static AdviceScope onEnter(@Advice.Argument(0) Request<?> req) {
return AdviceScope.start(currentContext());
}

@Advice.OnMethodExit(onThrowable = Throwable.class, suppress = Throwable.class)
public static void stopTraceOnResponse(
@Advice.This Object thisAction,
@Advice.This Action<?> thisAction,
@Advice.Thrown Throwable throwable,
@Advice.Argument(0) Request<?> req,
@Advice.Return(readOnly = false) Future<Result> responseFuture,
@Advice.Local("otelContext") Context context,
@Advice.Local("otelScope") Scope scope) {
if (scope == null) {
@Advice.Return Future<Result> responseFuture,
@Advice.Enter @Nullable AdviceScope actionScope) {
if (actionScope == null) {
return;
}
scope.close();

updateSpan(context, req);
// span finished in RequestCompleteCallback
if (throwable == null) {
responseFuture.onComplete(
new RequestCompleteCallback(context), ((Action<?>) thisAction).executionContext());
} else {
instrumenter().end(context, null, null, throwable);
}

actionScope.end(throwable, responseFuture, thisAction, req);
}
}
}
82 changes: 52 additions & 30 deletions ...main/java/io/opentelemetry/javaagent/instrumentation/play/v2_6/ActionInstrumentation.java
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
import io.opentelemetry.context.Scope;
import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
import javax.annotation.Nullable;
import net.bytebuddy.asm.Advice;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.matcher.ElementMatcher;
Expand Down Expand Up @@ -49,44 +50,65 @@ public void transform(TypeTransformer transformer) {
@SuppressWarnings("unused")
public static class ApplyAdvice {

@Advice.OnMethodEnter(suppress = Throwable.class)
public static void onEnter(
@Advice.Argument(0) Request<?> req,
@Advice.Local("otelContext") Context context,
@Advice.Local("otelScope") Scope scope) {
Context parentContext = currentContext();
if (!instrumenter().shouldStart(parentContext, null)) {
return;
public static class AdviceScope {
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there is a failure in play 2.6 tests scans.gradle.com/s/36fci3go5n3se

Strangely I haven't been able to reproduce the test failure locally. I am still investigating.

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thanks @laurit !

private final Context context;
private final Scope scope;

public AdviceScope(Context context, Scope scope) {
this.context = context;
this.scope = scope;
}

@Nullable
public static AdviceScope start(Context parentContext) {
if (!instrumenter().shouldStart(parentContext, null)) {
return null;
}

Context context = instrumenter().start(parentContext, null);
return new AdviceScope(context, context.makeCurrent());
}

public Future<Result> end(
@Nullable Throwable throwable,
Future<Result> responseFuture,
Action<?> thisAction,
Request<?> req) {
scope.close();
updateSpan(context, req);

if (throwable == null) {
// span is finished when future completes
// not using responseFuture.onComplete() because that doesn't guarantee this handler span
// will be completed before the server span completes
responseFuture =
ResponseFutureWrapper.wrap(responseFuture, context, thisAction.executionContext());
} else {
instrumenter().end(context, null, null, throwable);
}

return responseFuture;
}
}

context = instrumenter().start(parentContext, null);
scope = context.makeCurrent();
@Advice.OnMethodEnter(suppress = Throwable.class)
public static AdviceScope onEnter(@Advice.Argument(0) Request<?> req) {
return AdviceScope.start(currentContext());
}

@Advice.OnMethodExit(onThrowable = Throwable.class, suppress = Throwable.class)
public static void stopTraceOnResponse(
@Advice.This Object thisAction,
@Advice.AssignReturned.ToReturned
public static Future<Result> stopTraceOnResponse(
@Advice.This Action<?> thisAction,
@Advice.Thrown Throwable throwable,
@Advice.Argument(0) Request<?> req,
@Advice.Return(readOnly = false) Future<Result> responseFuture,
@Advice.Local("otelContext") Context context,
@Advice.Local("otelScope") Scope scope) {
if (scope == null) {
return;
}
scope.close();

updateSpan(context, req);
if (throwable == null) {
// span is finished when future completes
// not using responseFuture.onComplete() because that doesn't guarantee this handler span
// will be completed before the server span completes
responseFuture =
ResponseFutureWrapper.wrap(
responseFuture, context, ((Action<?>) thisAction).executionContext());
} else {
instrumenter().end(context, null, null, throwable);
@Advice.Return Future<Result> responseFuture,
@Advice.Enter @Nullable AdviceScope actionScope) {
if (actionScope == null) {
return responseFuture;
}

return actionScope.end(throwable, responseFuture, thisAction, req);
}
}
}
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