Hi Vladimir,
I did a smoke testing in my local (Windows 11 Pro) and Java 21 - all good from my end. On Oct 31, 2025, 2:08 PM -0400, Vladimir Sitnikov <[email protected]>, wrote: > Hi devs, > > I’ve refreshed a large set of dependencies and build settings while > preparing for 6.0. > I’d love your help to build from master, run your typical plans/plugins, > and report anything odd (successes welcome too!). > > Highlights to keep an eye on > * Build/runtime baselines: code migrated to Java 17; builds now on Java 21. > Please try with Java 17/21/25. > * Logging: SLF4J 2.x route via log4j-slf4j2-impl. Watch for binding/bridge > surprises. > * XML stack: removed xercesImpl from runtime and avoided drifting into > xml-apis 2.x; this might affect XPath/XSLT usage and XStream. > Please test XPath Extractor/Assertion and any XML-heavy samplers. > * XStream: constructor wired with PureJavaReflectionProvider; upgraded to > 1.4.21 — please watch for serialization/deserialization quirks. > * Jackson, Rhino, ASM, Tika, Saxon-HE and many others bumped; Groovy/JUnit5 > modernized. Exercise JSON Extractor, JSR223, and any script-heavy plans. > * Dropped the MongoDB plugin (heads-up for anyone who still had it > lurking). > * Internal test infra hardens localhost/loopback usage and fixes a few > flaky tests. If you run our test suite locally/CI, note the networking > tweaks. > * We also removed the commons-lang3 dependency in favor of core JDK > (commons-lang3 is still included in the binary distribution). > > Build & try > > git clone https://github.com/apache/jmeter.git > cd jmeter > ./gradlew runGui > > What feedback is most useful now? > * Does JMeter start cleanly with Java 17/21/25 on your OS? Any > module/export warnings? > * Regressions in XML/XPath/XSLT, XStream object serialization, or JSON > processing? > * Any surprises with SLF4J/Log4j configuration or plugin logging? > * Third-party samplers/processors you use (DB, HTTP, scripting, etc.) still > behave? > * Anything in the UI or reports that changed unexpectedly after the bumps? > * Any missing issues/PRs you would like to include > > Thanks in advance for kicking the tires! > Vladimir
