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Log as warn invalid JMX metrics #4161

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merged 2 commits into from
Apr 9, 2025
Merged

Log as warn invalid JMX metrics #4161

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46d2ed5
Log as warn invalid JMX metrics
jeanbisutti Apr 3, 2025
213ccb5
Feedback and put the code at the right place
jeanbisutti Apr 8, 2025
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11 changes: 11 additions & 0 deletions .../com/microsoft/applicationinsights/agent/internal/init/PerformanceCounterInitializer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,8 @@
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.MDC;
Expand All @@ -41,6 +43,8 @@ public class PerformanceCounterInitializer {
private static final String METRIC_NAME_REGEXP = "[a-zA-Z0-9_.-/]+";
private static final String INVALID_CHARACTER_REGEXP = "[^a-zA-Z0-9_.-/]";

private static final Set<String> invalidJmxMetrics = ConcurrentHashMap.newKeySet();

public static void initialize(Configuration configuration) {

PerformanceCounterContainer.INSTANCE.setCollectionFrequencyInSec(
Expand Down Expand Up @@ -209,6 +213,13 @@ private static void calculateAndRecordValueForAttribute(
value += Double.parseDouble(String.valueOf(obj));
}
} catch (RuntimeException e) {
if (invalidJmxMetrics.add(jmxAttributeData.metricName)) {
try (MDC.MDCCloseable ignored = CUSTOM_JMX_METRIC_ERROR.makeActive()) {
logger.warn(
"{} JMX metric is invalid because only numeric and boolean JMX metric values are supported.",
jmxAttributeData.metricName);
}
}
ok = false;
break;
}
Expand Down
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