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fix: jmeter-script-gen template — intProp var refs + saveConfig cross-version breakage#174

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Wool-xing merged 1 commit into
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fix/jmeter-script-gen-compat
Jun 1, 2026
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fix: jmeter-script-gen template — intProp var refs + saveConfig cross-version breakage#174
Wool-xing merged 1 commit into
mainfrom
fix/jmeter-script-gen-compat

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Summary

  • Fix <intProp>/<longProp> containing ${THREADS}/${RAMPUP}/${DURATION} variable refs → <stringProp>
  • Remove hardcoded <objProp name="saveConfig"> from ResultCollector (26 fields, delegates to jmeter.properties defaults)
  • Add JMeter version compatibility banner (JMeter 5.0 ~ 5.6.3)

Root cause

skills/jmeter-script-gen.md template used by automation-engineer agent to generate JMX files had two JMeter XML incompatibilities:

  1. Typed props (intProp/longProp) containing ${VAR} refs cause NumberFormatException at JMX load time
  2. Hardcoded SampleSaveConfiguration fields (e.g. responseMessage renamed to message in JMeter 5.5+) cause MissingFieldException across versions

Test plan

  • JMX loads without NumberFormatException in JMeter 5.6.3
  • JMX loads without MissingFieldException in JMeter 5.6.3
  • Verify JTL output via jmeter.properties defaults
  • Smoke test with jmeter -n -t api_load_test.jmx

…-version breakage

Two bugs fixed:
1. ThreadGroup <intProp>/<longProp> containing ${THREADS}/${RAMPUP}/${DURATION}
   → changed to <stringProp> (JMeter runtime eval, not XML parse time)
2. Removed hardcoded <objProp name="saveConfig"> from ResultCollector
   → delegates to jmeter.properties defaults, compatible with JMeter 5.0~5.6.3

Added version compatibility banner documenting both constraints.
@Wool-xing Wool-xing merged commit cb9649c into main Jun 1, 2026
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