Add opt-in support for emitting exceptions as log signals#16259
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trask wants to merge 11 commits intoopen-telemetry:mainfrom
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Add opt-in support for emitting exceptions as log signals#16259trask wants to merge 11 commits intoopen-telemetry:mainfrom
trask wants to merge 11 commits intoopen-telemetry:mainfrom
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laurit
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Mar 2, 2026
| if (emitExceptionAsSpanEvents()) { | ||
| span.recordException(error); | ||
| } | ||
| if (emitExceptionAsLogs() && exceptionEventExtractor != null) { |
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If the extractor is not set the exception would be lost. Is there a plan to introduce a default extractor or do we need to change the instrumenter api to force user to always provide an extractor?
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changed the default to
- name:
"exception" - severity:
WARN
laurit
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Mar 2, 2026
…-signal # Conflicts: # instrumentation-api/src/test/java/io/opentelemetry/instrumentation/api/instrumenter/InstrumenterTest.java
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| assertThat(log.getAttributes().get(EXCEPTION_TYPE)) | ||
| .isEqualTo("java.lang.IllegalStateException"); | ||
| assertThat(log.getAttributes().get(EXCEPTION_MESSAGE)).isEqualTo("test"); | ||
| assertThat(log.getAttributes().get(EXCEPTION_STACKTRACE)).isNotNull(); |
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OpenTelemetryAssertions.assertThat(logs.get(0))
// Should be WARN (from setExceptionEventExtractor), not ERROR (from CONSUMER span kind)
.hasSeverity(Severity.WARN)
.hasEventName("messaging.client.operation.exception")
.hasAttributesSatisfyingExactly(equalTo(EXCEPTION_TYPE, "java.lang.IllegalStateException"),
equalTo(EXCEPTION_MESSAGE, "test"),
satisfies(EXCEPTION_STACKTRACE, AbstractAssert::isNotNull));
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Mar 3, 2026
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Span events are in the process of being deprecated.
This starts to add opt-in support for emitting exceptions as logs (as opposed to span events).
Follows semantic conventions proposal: open-telemetry/semantic-conventions#3414
See #16049 for how this will be used, this PR is just laying the foundation.