Upgrading from 3.6 to 3.7

Core#

• Gatling Expression Language with ${} was conflicting with Kotlin and Scala String interpolations. As a result, it’s now deprecated and we recommend you now use #{} instead.
• WhiteList and BlackList have been renamed respectively into AllowList and DenyList. Old names are still present but are deprecated for removal and are no longer documented.
• streamBody request processor is probably unused and is deprecated for removal
• heavisideUsers has been renamed into stressPeakUsers. Old name is still present but is deprecated for removal and is no longer documented.
• feed(feeder, Int) is deprecated for removal and is no longer documented.
• Feeder#convert has been renamed into transform. Old name is still present but is deprecated for removal and is no longer documented.
• flattenMapIntoAttributes is deprecated for removal and is no longer documented.
• SignatureCalculator has been dropped. Please use simple functions instead.

HTTP#

• polling has been renamed into poll. Old name is still present but is deprecated for removal and is no longer documented.
• maxConnectionsPerHostLikeXXX are deprecated for removal. Please use maxConnectionsPerHost(Int) instead.
• ignoreDefaultChecks has been renamed into ignoreProtocolChecks. Old name is still present but is deprecated for removal and is no longer documented.
• ignoreDefaultHeaders has been renamed into ignoreProtocolHeaders. Old name is still present but is deprecated for removal and is no longer documented.
• #4142: BREAKING CHANGE ResponseProcessor parameters order has been reversed for consistency

JMS#

• #4139: BREAKING CHANGE JMS replyTimeout is now a Duration

Maven#

The new major version 4 of the gatling-maven-plugin no longer compiles Scala code itself.

In order to upgrade, you’ll have to add the scala-maven-plugin, as described in the documentation

Maven Archetype and Giter8 template#

The gatling-maven-archetype and the g8 template are discontinued. Instead, please git clone the gatling-maven-plugin demo projects or the gatling-sbt-plugin demo project.

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