Werk #17774: jolokia_jvm_threading_pool: Improved handling of unlimited max threads and extended ruleset

Component	Checks & agents
Title	jolokia_jvm_threading_pool: Improved handling of unlimited max threads and extended ruleset
Date	Jun 2, 2025
Level	Trivial Change
Class	New Feature
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.5.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.4.0p5 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.3.0p35 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

The Jolokia JVM ThreadPool check now explicitly handles the case where the maximum number of threads is unlimited (maxThreads == -1). In this situation, the check will always return an OK state with the summary "Maximum threads: not set (unlimited)". Additionally, the ruleset for this check has been extended. It is now possible to configure absolute threshold levels for thread counts, in addition to the previously available percentage-based thresholds.

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