[MTOOLCHAINS-57] Build time has doubled after using toolchains

[jira-importer]

Rich M opened MTOOLCHAINS-57 and commented

I have started to use toolchains plugin today for Java 8 and 17, and noticed that build time has doubled since.

Is this a known issue or expected behavior when using toolchains ?

There are 1466 modules in the build, out of which 5 modules are using 17, rest are using Java 8.

I have Java 8 defined as default in the main pom, and the 5 submodules override the plugin configuration to 17.

Build used to take around 1 hour earlier, now it is taking 2 hours.

Any tips/tricks to debug or fix this issue ?

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Affects: 3.0.0