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Posted to jira@kafka.apache.org by "Manikumar (JIRA)" <ji...@apache.org> on 2018/05/14 16:59:00 UTC
[jira] [Updated] (KAFKA-6787) enumerate SampledStat.samples got
null item
[ https://issues.apache.org/jira/browse/KAFKA-6787?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Manikumar updated KAFKA-6787:
-----------------------------
Description:
{code}
java.lang.NullPointerException at org.apache.kafka.common.metrics.stats.SampledStat.purgeObsoleteSamples(SampledStat.java:104) at org.apache.kafka.common.metrics.stats.SampledStat.measure(SampledStat.java:74) at org.apache.kafka.common.metrics.KafkaMetric.metricValue(KafkaMetric.java:68) at kafka.api.QuotaTestClients$.metricValue(BaseQuotaTest.scala:163) at kafka.api.QuotaTestClients.produceUntilThrottled(BaseQuotaTest.scala:193) at kafka.api.BaseQuotaTest.testThrottledProducerConsumer(BaseQuotaTest.scala:84)
{code}
{code:java}
protected void purgeObsoleteSamples(MetricConfig config, long now) {
long expireAge = config.samples() * config.timeWindowMs();
for (Sample sample : samples) {
if (now - sample.lastWindowMs >= expireAge) // line 104, sample is null, probably is a concurrent issue
sample.reset(now);
}
}
{code}
was:
java.lang.NullPointerException at org.apache.kafka.common.metrics.stats.SampledStat.purgeObsoleteSamples(SampledStat.java:104) at org.apache.kafka.common.metrics.stats.SampledStat.measure(SampledStat.java:74) at org.apache.kafka.common.metrics.KafkaMetric.metricValue(KafkaMetric.java:68) at kafka.api.QuotaTestClients$.metricValue(BaseQuotaTest.scala:163) at kafka.api.QuotaTestClients.produceUntilThrottled(BaseQuotaTest.scala:193) at kafka.api.BaseQuotaTest.testThrottledProducerConsumer(BaseQuotaTest.scala:84)
{code:java}
protected void purgeObsoleteSamples(MetricConfig config, long now) {
long expireAge = config.samples() * config.timeWindowMs();
for (Sample sample : samples) {
if (now - sample.lastWindowMs >= expireAge) // line 104, sample is null, probably is a concurrent issue
sample.reset(now);
}
}
{code}
> enumerate SampledStat.samples got null item
> -------------------------------------------
>
> Key: KAFKA-6787
> URL: https://issues.apache.org/jira/browse/KAFKA-6787
> Project: Kafka
> Issue Type: Bug
> Components: metrics
> Affects Versions: 1.1.0
> Reporter: Qiang Zhao
> Priority: Critical
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> {code}
> java.lang.NullPointerException at org.apache.kafka.common.metrics.stats.SampledStat.purgeObsoleteSamples(SampledStat.java:104) at org.apache.kafka.common.metrics.stats.SampledStat.measure(SampledStat.java:74) at org.apache.kafka.common.metrics.KafkaMetric.metricValue(KafkaMetric.java:68) at kafka.api.QuotaTestClients$.metricValue(BaseQuotaTest.scala:163) at kafka.api.QuotaTestClients.produceUntilThrottled(BaseQuotaTest.scala:193) at kafka.api.BaseQuotaTest.testThrottledProducerConsumer(BaseQuotaTest.scala:84)
> {code}
> {code:java}
> protected void purgeObsoleteSamples(MetricConfig config, long now) {
> long expireAge = config.samples() * config.timeWindowMs();
> for (Sample sample : samples) {
> if (now - sample.lastWindowMs >= expireAge) // line 104, sample is null, probably is a concurrent issue
> sample.reset(now);
> }
> }
> {code}
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