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https://issues.apache.org/jira/browse/NIFI-6716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16943441#comment-16943441
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ASF subversion and git services commented on NIFI-6716:
-------------------------------------------------------
Commit 261a39599231aaab0115d30eaf8340fdf3801965 in nifi's branch
refs/heads/master from Kotaro Terada
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=261a395 ]
NIFI-6716: Prometheus Metrics Server returns 500 when a Remote Process Group
used
Signed-off-by: Pierre Villard <[email protected]>
This closes #3767.
> Prometheus Metrics Server returns 500 when a Remote Process Group used
> ----------------------------------------------------------------------
>
> Key: NIFI-6716
> URL: https://issues.apache.org/jira/browse/NIFI-6716
> Project: Apache NiFi
> Issue Type: Bug
> Reporter: Kotaro Terada
> Assignee: Kotaro Terada
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Prometheus Metrics Server returns 500 (Internal Server Error) when a Remote
> Process Group is used. The error message:
> {quote}{{java.lang.IllegalArgumentException: Incorrect number of labels.}}
> {{at io.prometheus.client.SimpleCollector.labels(SimpleCollector.java:64)}}
> {{at
> org.apache.nifi.reporting.prometheus.api.PrometheusMetricsUtil.createNifiMetrics(PrometheusMetricsUtil.java:405)}}
> {{at
> org.apache.nifi.reporting.prometheus.PrometheusServer$MetricsServlet.doGet(PrometheusServer.java:74)}}
> {quote}
> Just because the labels number of `ACTIVE_REMOTE_PORT_COUNT`,
> `INACTIVE_REMOTE_PORT_COUNT`, and `AVERAGE_LINEAGE_DURATION` are unmatched.
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