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Second TYPE line for metric name "jenkins_node_builds" or TYPE reported after samples

See original GitHub issue

Hi,

I’m facing a quite similar problem reported in the following closed issues:

I’m using the latest version of this plugin available on Jenkins (2.0.10) and I can only replicate this issue with versions >= 2.0.9. I know there is a version 2.0.11 but seems there are no related changes there.

Is this a real bug or I’m doing something wrong? If it’s a bug, is anyone working on it?

Version report

Jenkins and plugins versions report:

Jenkins: 2.303.2
OS: Linux - 4.9.0-11
---
ace-editor:1.1
ant:1.12
antisamy-markup-formatter:2.4
apache-httpcomponents-client-4-api:4.5.13-1.0
authentication-tokens:1.4
blueocean:1.25.1
blueocean-autofavorite:1.2.4
blueocean-bitbucket-pipeline:1.25.1
blueocean-commons:1.25.1
blueocean-config:1.25.1
blueocean-core-js:1.25.1
blueocean-dashboard:1.25.1
blueocean-display-url:2.4.1
blueocean-events:1.25.1
blueocean-git-pipeline:1.25.1
blueocean-github-pipeline:1.25.1
blueocean-i18n:1.25.1
blueocean-jwt:1.25.1
blueocean-personalization:1.25.1
blueocean-pipeline-api-impl:1.25.1
blueocean-pipeline-editor:1.25.1
blueocean-pipeline-scm-api:1.25.1
blueocean-rest:1.25.1
blueocean-rest-impl:1.25.1
blueocean-web:1.25.1
bootstrap4-api:4.6.0-3
bootstrap5-api:5.1.1-1
bouncycastle-api:2.25
branch-api:2.7.0
build-timeout:1.20
caffeine-api:2.9.2-29.v717aac953ff3
checks-api:1.7.2
cloudbees-bitbucket-branch-source:2.9.11
cloudbees-disk-usage-simple:0.10
cloudbees-folder:6.16
command-launcher:1.6
credentials:2.6.1
credentials-binding:1.27
display-url-api:2.3.5
durable-task:1.39
echarts-api:5.2.1-2
email-ext:2.84
extended-read-permission:3.2
favorite:2.3.3
font-awesome-api:5.15.4-1
git:4.9.0
git-client:3.10.0
git-server:1.10
github:1.34.1
github-api:1.133
github-branch-source:2.11.3
gradle:1.37.1
handy-uri-templates-2-api:2.1.8-1.0
htmlpublisher:1.27
jackson2-api:2.13.0-230.v59243c64b0a5
jaxb:2.3.0.1
jdk-tool:1.5
jenkins-design-language:1.25.1
jjwt-api:0.11.2-9.c8b45b8bb173
jquery-detached:1.2.1
jquery3-api:3.6.0-2
jsch:0.1.55.2
junit:1.53
ldap:2.7
lockable-resources:2.12
logstash:2.5.0205.vd05825ed46bd
mailer:1.34
matrix-auth:2.6.8
matrix-project:1.19
metrics:4.0.2.8
momentjs:1.1.1
okhttp-api:3.14.9
pam-auth:1.6
pipeline-build-step:2.15
pipeline-github-lib:1.0
pipeline-graph-analysis:1.11
pipeline-input-step:2.12
pipeline-milestone-step:1.3.2
pipeline-model-api:1.9.2
pipeline-model-definition:1.9.2
pipeline-model-extensions:1.9.2
pipeline-rest-api:2.19
pipeline-stage-step:2.5
pipeline-stage-tags-metadata:1.9.2
plain-credentials:1.7
plugin-util-api:2.5.0
popper-api:1.16.1-2
popper2-api:2.10.2-1
prometheus:2.0.10
pubsub-light:1.16
resource-disposer:0.16
role-strategy:3.2.0
scm-api:2.6.5
script-security:1.78
snakeyaml-api:1.29.1
sse-gateway:1.24
ssh-credentials:1.19
ssh-slaves:1.33.0
sshd:3.1.0
statistics-gatherer:2.0.3
structs:1.23
timestamper:1.13
token-macro:266.v44a80cf277fd
trilead-api:1.0.13
variant:1.4
workflow-api:2.47
workflow-basic-steps:2.24
workflow-cps:2.94
workflow-cps-global-lib:2.21
workflow-durable-task-step:2.40
workflow-job:2.42
workflow-multibranch:2.26
workflow-scm-step:2.13
workflow-step-api:2.24
workflow-support:3.8
ws-cleanup:0.39

What Operating System are you using (both controller, and any agents involved in the problem)?

OS: Linux - 4.9.0-11

Reproduction steps

Launch telegraf with the following configuration

...
[[inputs.prometheus]]
  urls = ["myurl/prometheus/"]
  username = "myuser"
  password = "mypassw"
...

Start running jobs and we’ll receive the following error: [inputs.prometheus] Error in plugin: error reading metrics for URL/prometheus/: reading text format failed: text format parsing error in line 1774: second TYPE line for metric name "jenkins_node_builds", or TYPE reported after samples

I only have the error when the metrics for master are displayed

# HELP jenkins_node_builds Generated from Dropwizard metric import (metric=jenkins.node.builds, type=com.codahale.metrics.Timer)
# TYPE jenkins_node_builds summary
jenkins_node_builds{node="master",quantile="0.5",} 0.108072807
jenkins_node_builds{node="master",quantile="0.75",} 0.108072807
jenkins_node_builds{node="master",quantile="0.95",} 0.108072807
jenkins_node_builds{node="master",quantile="0.98",} 0.108072807
jenkins_node_builds{node="master",quantile="0.99",} 0.108072807
jenkins_node_builds{node="master",quantile="0.999",} 0.108072807

Results

(from the previous reports)

Expected result:

# HELP jenkins_node_builds Generated from Dropwizard metric import (metric=jenkins.node.builds, type=com.codahale.metrics.Timer)
# TYPE jenkins_node_builds summary
jenkins_node_builds{node="master",quantile="0.5",} 0.108072807
jenkins_node_builds{node="master",quantile="0.75",} 0.108072807
jenkins_node_builds{node="master",quantile="0.95",} 0.108072807
jenkins_node_builds{node="master",quantile="0.98",} 0.108072807
jenkins_node_builds{node="master",quantile="0.99",} 0.108072807
jenkins_node_builds{node="master",quantile="0.999",} 0.108072807
jenkins_node_builds_count{node="master"} 1.0
jenkins_node_builds{node="test3",quantile="0.5",} 0.0
jenkins_node_builds{node="test3",quantile="0.75",} 0.0
jenkins_node_builds{node="test3",quantile="0.95",} 0.0
jenkins_node_builds{node="test3",quantile="0.98",} 0.0
jenkins_node_builds{node="test3",quantile="0.99",} 0.0
jenkins_node_builds{node="test3",quantile="0.999",} 0.0
jenkins_node_builds_count{node="test3"} 0.0

Actual result:

# HELP jenkins_node_test3_builds Generated from Dropwizard metric import (metric=jenkins.node.test3.builds, type=com.codahale.metrics.Timer)
# TYPE jenkins_node_test3_builds summary
jenkins_node_builds{node="test3",quantile="0.5",} 0.0
jenkins_node_builds{node="test3",quantile="0.75",} 0.0
jenkins_node_builds{node="test3",quantile="0.95",} 0.0
jenkins_node_builds{node="test3",quantile="0.98",} 0.0
jenkins_node_builds{node="test3",quantile="0.99",} 0.0
jenkins_node_builds{node="test3",quantile="0.999",} 0.0
jenkins_node_builds_count{node="master"} 1.0
# HELP jenkins_node_builds Generated from Dropwizard metric import (metric=jenkins.node.builds, type=com.codahale.metrics.Timer)
# TYPE jenkins_node_builds summary
jenkins_node_builds{node="master",quantile="0.5",} 0.108072807
jenkins_node_builds{node="master",quantile="0.75",} 0.108072807
jenkins_node_builds{node="master",quantile="0.95",} 0.108072807
jenkins_node_builds{node="master",quantile="0.98",} 0.108072807
jenkins_node_builds{node="master",quantile="0.99",} 0.108072807
jenkins_node_builds{node="master",quantile="0.999",} 0.108072807
jenkins_node_builds_count{node="test3"} 0.0