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Gradle treats the `tokens:` map passed to the ReplaceTokens content filter as a filter argument, not a task input, so it affects neither the up-to-date check nor the build cache key. The filtered sources contain only unsubstituted placeholders and are byte identical regardless of what the tokens expand to, so nothing invalidates processResources when a token value changes. In a shared checkout where build/ survives branch switches, the task stays UP-TO-DATE and the previous branch's substituted resource is left behind. Switching master -> a former release branch left dataflow.properties holding master's container version, so pipelines ran against a wrong version of beam-master SDK harness. The same staleness also poisons the build cache, since both branches compute the same key for different correct outputs, so `clean` is not a reliable workaround. This can be fixed by declaring the token map as an input property.
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shunping
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September 15, 2026 16:10
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Gradle treats the
tokens:map passed to the ReplaceTokens content filter as a filter argument, not a task input, so it affects neither the up-to-date check nor the build cache key. The filtered sources contain only unsubstituted placeholders and are byte identical regardless of what the tokens expand to, so nothing invalidatesprocessResourceswhen a token value changes.In a shared checkout where build branch switches, the task stays UP-TO-DATE and the previous branch's substituted resource is left behind. Particularly, switching master -> a former release branch left
dataflow.propertiesholding master's container version, so pipelines ran against a wrong version of beam-master SDK harness. The same staleness also poisons the build cache, since both branches compute the same key for different correct outputs, socleanis not a reliable workaround.This can be fixed by declaring the token map as an input property.