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Obtain JSR223 usage report after test execution #6510

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Obtain JSR223 usage report after test execution #6510

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f719708
Allow more complex configuration of the cache; generate the usage rep…
KingRabbid Oct 6, 2025
1c82baa
Unify the JSR223 logging error statements
KingRabbid Oct 6, 2025
52282d8
Another set
KingRabbid Oct 6, 2025
c457940
Missing brackets
KingRabbid Oct 9, 2025
07af912
Merge branch 'refs/heads/jsr223-logging' into jsr223-cache-configurable
KingRabbid Oct 22, 2025
163b6f8
Merge branch 'refs/heads/master' into jsr223-cache-configurable
KingRabbid Oct 22, 2025
907fe10
Bump Caffeine to 3.1.8. Add Caffeine Javadoc link. Add debug logging …
KingRabbid Oct 22, 2025
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3 changes: 3 additions & 0 deletions bin/jmeter.properties
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Original file line number Diff line number Diff line change
Expand Up @@ -1235,6 +1235,9 @@ view.results.tree.renderers_order=.RenderAsText,.RenderAsRegexp,.RenderAsBoundar
# Used by JSR-223 elements
# Size of compiled scripts cache
#jsr223.compiled_scripts_cache_size=100
# Configurable options on the compiled scripts cache, overrides the jsr223.compiled_scripts_cache_size property
# See com.github.benmanes.caffeine.cache.Caffeine API for details
jsr223.compiled_scripts_cache_spec=maximumSize=100,recordStats

#---------------------------------------------------------------------------
# Classpath configuration
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17 changes: 9 additions & 8 deletions src/core/src/main/java/org/apache/jmeter/util/JSR223TestElement.java
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Expand Up @@ -60,10 +60,8 @@ public abstract class JSR223TestElement extends ScriptingTestElement
* Cache of compiled scripts
*/
private static final Cache<ScriptCacheKey, CompiledScript> COMPILED_SCRIPT_CACHE =
Caffeine
.newBuilder()
.maximumSize(JMeterUtils.getPropDefault("jsr223.compiled_scripts_cache_size", 100))
.build();
Caffeine.from(JMeterUtils.getPropDefault("jsr223.compiled_scripts_cache_spec","maximumSize=" +
JMeterUtils.getPropDefault("jsr223.compiled_scripts_cache_size", 100) + ",recordStats")).build();

/**
* Lambdas can't throw checked exceptions, so we wrap cache loading failure with a runtime one.
Expand Down Expand Up @@ -257,11 +255,11 @@ private static <T extends ScriptCacheKey> CompiledScript getCompiledScript(
} catch (ScriptCompilationInvocationTargetException e) {
Throwable cause = e.getCause();
if (cause instanceof IOException) {
cause.addSuppressed(new IllegalStateException("Unable to compile script " + newCacheKey));
cause.addSuppressed(new IllegalStateException("Unable to compile script: " + newCacheKey));
throw (IOException) cause;
}
if (cause instanceof ScriptException) {
cause.addSuppressed(new IllegalStateException("Unable to compile script " + newCacheKey));
cause.addSuppressed(new IllegalStateException("Unable to compile script: " + newCacheKey));
throw (ScriptException) cause;
}
throw e;
Expand All @@ -287,7 +285,7 @@ public boolean compile()
((Compilable) scriptEngine).compile(getScript());
return true;
} catch (ScriptException e) { // NOSONAR
logger.error("Error compiling script for test element {}, error:{}", getName(), e.getMessage());
logger.error("Error compiling script for test element named: '{}', error: {}", getName(), e.getMessage());
return false;
}
} else {
Expand All @@ -297,7 +295,7 @@ public boolean compile()
((Compilable) scriptEngine).compile(fileReader);
return true;
} catch (ScriptException e) { // NOSONAR
logger.error("Error compiling script for test element {}, error:{}", getName(), e.getMessage());
logger.error("Error compiling script for test element named: '{}', error: {}", getName(), e.getMessage());
return false;
}
}
Expand Down Expand Up @@ -357,6 +355,9 @@ public void testEnded() {
*/
@Override
public void testEnded(String host) {
if (COMPILED_SCRIPT_CACHE.estimatedSize() > 0) {
logger.info("Compiled cache size: {}, stats: {}", COMPILED_SCRIPT_CACHE.estimatedSize(), COMPILED_SCRIPT_CACHE.stats());
}
COMPILED_SCRIPT_CACHE.invalidateAll();
scriptMd5 = null;
}
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2 changes: 1 addition & 1 deletion xdocs/usermanual/component_reference.xml
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Expand Up @@ -1185,7 +1185,7 @@ To benefit from this feature:
</li>
</ul>
Cache size is controlled by the following JMeter property (<code>jmeter.properties</code>):
<source>jsr223.compiled_scripts_cache_size=100</source>
<source>jsr223.compiled_scripts_cache_size=100</source> or via a more complex cache setup using the <source>jsr223.compiled_scripts_cache_spec</source>
<note>Unlike the <complink name="BeanShell Sampler" />, the interpreter is not saved between invocations.</note>
<note>
JSR223 Test Elements using Script file or Script text + checked <code>Cache compiled script if available</code> are now compiled if ScriptEngine supports this feature, this enables great performance enhancements.
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4 changes: 4 additions & 0 deletions xdocs/usermanual/properties_reference.xml
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Expand Up @@ -1985,6 +1985,10 @@ JMETER-SERVER</source>
Used by JSR-223 elements.<br/>
Size of compiled scripts cache.<br/>
Defaults to: <code>100</code></property>
<property name="jsr223.compiled_scripts_cache_spec">
Used by JSR-223 elements.<br/>
Caffeine framework spec configuration in String format. Overrides <code>jsr223.compiled_scripts_cache_size</code><br/>
Defaults to: <code>maximumSize=<jsr223.compiled_scripts_cache_size>,recordStats</code></property>
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@vlsi vlsi Oct 9, 2025

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Can you refer the documentation or copy the relevant bits here?

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@KingRabbid KingRabbid Oct 9, 2025

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Hi,

some details in the Javadoc: https://www.javadoc.io/static/com.github.ben-manes.caffeine/caffeine/3.2.2/com.github.benmanes.caffeine/com/github/benmanes/caffeine/cache/Caffeine.html

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@KingRabbid KingRabbid Oct 17, 2025 •
edited
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Spec/configurable attributes description: https://www.javadoc.io/doc/com.github.ben-manes.caffeine/caffeine/latest/com.github.benmanes.caffeine/com/github/benmanes/caffeine/cache/CaffeineSpec.html and logic behind counters: https://www.javadoc.io/doc/com.github.ben-manes.caffeine/caffeine/latest/com.github.benmanes.caffeine/com/github/benmanes/caffeine/cache/stats/CacheStats.html

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@vlsi vlsi Oct 17, 2025

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I mean it would be worth adding the links to JMeter documentation

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@KingRabbid KingRabbid Oct 22, 2025

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I've pushed new code, not sure it addresses your suggestion with regards to documentation, please let me know where to edit.

</properties>
</section>

Expand Down