Preconfigure JDK before getting java executable #562
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Before 2020.1, the default JDK was being preconfigured automatically on startup if there was no JDK defined. Now it is being done much later, so importing projects would fail every time until the user specifies the JDK manually
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Thank you for this, I've been meaning to look into it! |
jastice
approved these changes
Jul 29, 2020
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Manually merged via 484bf55 Thank you! |
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Currently, importing any sbt project would fail when there is no JDK defined within IntelliJ. This can happen for example if someone installs it for the first time and does not configure the JDK manually.
Why does this happen?
Previously, there was a
DefaultJdkConfiguratorapplication component which tried to preconfigure a JDK during IDE startup. In this commit, the component was removed and theProjectJdkTable::preconfiguremethod was introduced. This method is actually being invoked automatically inProjectSdksModelduring the project import, but it happens much later than theSbtExternalSystemManagerneeds the JDK.How does the PR work?
It preconfigures the JDK just before the JDK is needed. The operation is idempotent, so there is no worry that it will affect subsequent import operations.
Why is there no tests to cover this case?
Sadly, the
preconfiguremethod is ignored in unit test mode. We are currently monitoring this behavior within our own scala test suite which is interacting with an actual IDE and not its unit test mode. In fact, that is how we found this issue.