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Handle exceptions at sampling runnable level. #93

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merged 1 commit into from
Aug 25, 2024
+13 −2
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Handle exceptions at sampling runnable level. #93

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15 changes: 13 additions & 2 deletions ...n/java/org/connectorio/addons/binding/internal/source/sampling/DefaultSamplingSource.java
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Original file line number Diff line number Diff line change
Expand Up @@ -87,15 +87,26 @@ static class SamplerRunnable implements Runnable {
private final Logger logger = LoggerFactory.getLogger(SamplerRunnable.class);

private final Sampler sampler;
private int failureCount = 0;

SamplerRunnable(Sampler sampler) {
this.sampler = sampler;
}

@Override
public void run() {
logger.trace("Executing operation {}", sampler);
sampler.fetch();
try {
logger.trace("Executing operation {}", sampler);
sampler.fetch();
} catch (Exception e) {
if (failureCount++ == 0) {
logger.warn("Failed to collect sample", e);
} else if (failureCount < 1000 && failureCount % 100 == 0) {
logger.warn("Failed to collect sample. This is {} failure of this task", failureCount, e);
} else if (failureCount >= 1000 && failureCount % 1000 == 0) {
logger.warn("Failed to collect sample. This is {} failure of this task, possible permanent communication error", failureCount, e);
}
}
}
}
}
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