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ClassCastException when using -Dotel.jmx.target.system=tomcat #7883

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PeterF778 opened this issue Feb 22, 2023 · 1 comment · Fixed by #7884
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ClassCastException when using -Dotel.jmx.target.system=tomcat #7883

PeterF778 opened this issue Feb 22, 2023 · 1 comment · Fixed by #7884
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Describe the bug
JMX Metric Insight does not work when the predefined set of JMX Metrics for tomcat is specified.

Steps to reproduce
Use java command line option -Dotel.jmx.target.system=tomcat

What did you expect to see?
No error messages. If the application is Tomcat, the predefined JMX metrics for tomcat are collected and exported.

What did you see instead?
WARN io.opentelemetry.javaagent.shaded.instrumentation.jmx.yaml.RuleParser - java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String
No metrics are exported.

What version are you using?
1.23

Environment
Java 8
@PeterF778 PeterF778 added the bug Something isn't working label Feb 22, 2023
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Please assign this bug to me.

@mateuszrzeszutek mateuszrzeszutek linked a pull request Feb 23, 2023 that will close this issue
7883 ClassCastException when using -Dotel.jmx.target.system=tomcat #7884
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@PeterF778