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Disable Exception Replay for JDK < 11 #12411

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5adfe3a
Disable Exception Replay for JDK < 11
jpbempel Sep 4, 2026
2070b12
fix unit test
jpbempel Sep 4, 2026
5d5cd92
fix smoke test
jpbempel Sep 4, 2026
70bd581
fix FailedTestReplay smoke tests
jpbempel Sep 5, 2026
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18 changes: 12 additions & 6 deletions ...agent-debugger/src/main/java/com/datadog/debugger/agent/DefaultDebuggerConfigUpdater.java
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

import static datadog.trace.api.Config.isExplicitlyDisabled;

import datadog.environment.JavaVirtualMachine;
import datadog.trace.api.Config;
import datadog.trace.api.config.DebuggerConfig;
import datadog.trace.api.config.TraceInstrumentationConfig;
Expand Down Expand Up @@ -29,12 +30,17 @@ public void updateConfig(DebuggerConfigUpdate update) {
update.getDynamicInstrumentationEnabled(),
DebuggerAgent::startDynamicInstrumentation,
DebuggerAgent::stopDynamicInstrumentation);
startOrStopFeature(
config,
DebuggerConfig.EXCEPTION_REPLAY_ENABLED,
update.getExceptionReplayEnabled(),
DebuggerAgent::startExceptionReplay,
DebuggerAgent::stopExceptionReplay);
if (JavaVirtualMachine.isJavaVersionAtLeast(11)) {
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// Cannot remotely enable Exception Replay for JDK < 11 (JVM 8 bug)
startOrStopFeature(
config,
DebuggerConfig.EXCEPTION_REPLAY_ENABLED,
update.getExceptionReplayEnabled(),
DebuggerAgent::startExceptionReplay,
DebuggerAgent::stopExceptionReplay);
} else {
LOGGER.debug("Cannot start Exception Replay on JDK version < 11");
}
startOrStopFeature(
config,
TraceInstrumentationConfig.CODE_ORIGIN_FOR_SPANS_ENABLED,
Expand Down
13 changes: 11 additions & 2 deletions ...t-debugger/src/test/java/com/datadog/debugger/agent/DefaultDebuggerConfigUpdaterTest.java
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Expand Up @@ -8,6 +8,7 @@

import datadog.communication.ddagent.DDAgentFeaturesDiscovery;
import datadog.communication.ddagent.SharedCommunicationObjects;
import datadog.environment.JavaVirtualMachine;
import datadog.remoteconfig.ConfigurationPoller;
import datadog.trace.api.Config;
import datadog.trace.api.debugger.DebuggerConfigUpdate;
Expand All @@ -27,12 +28,20 @@ public void enableDisable() {
productConfigUpdater.updateConfig(new DebuggerConfigUpdate());
productConfigUpdater.updateConfig(new DebuggerConfigUpdate(true, true, true, true));
assertTrue(productConfigUpdater.isDynamicInstrumentationEnabled());
assertTrue(productConfigUpdater.isExceptionReplayEnabled());
if (JavaVirtualMachine.isJavaVersionAtLeast(11)) {
assertTrue(productConfigUpdater.isExceptionReplayEnabled());
} else {
assertFalse(productConfigUpdater.isExceptionReplayEnabled());
}
assertTrue(productConfigUpdater.isCodeOriginEnabled());
assertTrue(productConfigUpdater.isDistributedDebuggerEnabled());
productConfigUpdater.updateConfig(new DebuggerConfigUpdate());
assertTrue(productConfigUpdater.isDynamicInstrumentationEnabled());
assertTrue(productConfigUpdater.isExceptionReplayEnabled());
if (JavaVirtualMachine.isJavaVersionAtLeast(11)) {
assertTrue(productConfigUpdater.isExceptionReplayEnabled());
} else {
assertFalse(productConfigUpdater.isExceptionReplayEnabled());
}
assertTrue(productConfigUpdater.isCodeOriginEnabled());
assertTrue(productConfigUpdater.isDistributedDebuggerEnabled());
productConfigUpdater.updateConfig(new DebuggerConfigUpdate(false, false, false, false));
Expand Down
4 changes: 4 additions & 0 deletions ...integration-tests/src/test/java/datadog/smoketest/InProductEnablementIntegrationTest.java
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Expand Up @@ -11,6 +11,8 @@
import okhttp3.mockwebserver.RecordedRequest;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.condition.EnabledForJreRange;
import org.junit.jupiter.api.condition.JRE;

@NonRetryable
public class InProductEnablementIntegrationTest extends ServerAppDebuggerIntegrationTest {
Expand Down Expand Up @@ -81,6 +83,7 @@ void testDynamicInstrumentationEnablementStaticallyDisabled() throws Exception {

@Test
@DisplayName("testExceptionReplayEnablement")
@EnabledForJreRange(min = JRE.JAVA_11)
void testExceptionReplayEnablement() throws Exception {
additionalJvmArgs.add("-Ddd.third.party.excludes=datadog.smoketest");
appUrl = startAppAndAndGetUrl();
Expand All @@ -100,6 +103,7 @@ void testExceptionReplayEnablement() throws Exception {
@Flaky
@Test
@DisplayName("testExceptionReplayEnablementFailure")
@EnabledForJreRange(min = JRE.JAVA_11)
void testExceptionReplayEnablementFailure() throws Exception {
additionalJvmArgs.add("-Ddd.exception.replay.enabled=true");
additionalJvmArgs.add("-Ddd.third.party.excludes=datadog.smoketest");
Expand Down
4 changes: 4 additions & 0 deletions dd-smoke-tests/junit-console/src/test/java/datadog/smoketest/JUnitConsoleSmokeTest.java
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Expand Up @@ -30,6 +30,8 @@
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.condition.EnabledForJreRange;
import org.junit.jupiter.api.condition.JRE;
import org.junit.jupiter.api.io.TempDir;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
Expand Down Expand Up @@ -59,6 +61,8 @@ static void closeMockBackend() throws Exception {
}

@Test
// Exception Replay is disabled by default on JDK8 due to JVM bug
@EnabledForJreRange(min = JRE.JAVA_11)
void testHeadlessFailedTestReplay() throws Exception {
String projectName = "test_junit_console_failed_test_replay";
givenProjectFiles(projectName);
Expand Down
4 changes: 4 additions & 0 deletions dd-smoke-tests/maven/src/test/java/datadog/smoketest/MavenSmokeTest.java
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Expand Up @@ -41,6 +41,8 @@
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.condition.DisabledIf;
import org.junit.jupiter.api.condition.EnabledForJreRange;
import org.junit.jupiter.api.condition.JRE;
import org.junit.jupiter.api.io.TempDir;
import org.junit.jupiter.params.ParameterizedTest;
import org.slf4j.Logger;
Expand Down Expand Up @@ -312,6 +314,8 @@ void testServiceNamePropagation(String projectName, String mavenVersion) throws
"failed-test-replay | test_failed_maven_failed_test_replay | 3.9.9 "
})
@ParameterizedTest
// Exception Replay is disabled by default on JDK8 due to JVM bug
@EnabledForJreRange(min = JRE.JAVA_11)
void testFailedTestReplay(String projectName, String mavenVersion) throws Exception {
givenWrapperPropertiesFile(mavenVersion);
givenMavenProjectFiles(projectName);
Expand Down
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