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Remove support for running on JDK / Java 8 #634

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msridhar opened this issue Aug 8, 2022 · 2 comments
Open

Remove support for running on JDK / Java 8 #634

msridhar opened this issue Aug 8, 2022 · 2 comments
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@msridhar
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msridhar commented Aug 8, 2022

Error Prone dropped support for Java 8 several months ago:

https://github.com/google/error-prone/releases/tag/v2.11.0

Dropping Java 8 support will allow us to clean up several ugly hacks in the NullAway code and build configuration. We'll aim to cut one final release supporting Java 8 before doing this.
@lazaroclapp lazaroclapp mentioned this issue Sep 9, 2022
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@msridhar msridhar mentioned this issue Sep 29, 2022
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msridhar added a commit that referenced this issue Sep 30, 2022
@msridhar
Build and test against Error Prone 2.15.0 (#665)
92d94a7 
EP 2.15.0 has a check enabled by default that we want to disable (see google/error-prone#3366).  We cannot just disable this check with the existing config, since it does not exist in version 2.10.0, the latest version that works with JDK 8.  Rather than adding conditional config around this one check, this PR disables compiling our code with Error Prone checks on JDK 8.  We still check all our code with Error Prone on JDK 11+, and we are still running our own tests on JDK 8 (for now; see #634).

Beyond the config changes, no code changes were required.
@msridhar
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Upon further thought, I think we shouldn't be too aggressive in dropping Java 8 support. There are scenarios in which libraries that still want to target Java 8 would want to build on a JDK 8 JVM, and NullAway dropping that support would make things more inconvenient. I think we can survive with the hacks we have for now. Leaving this open as we want to do this eventually

@msridhar
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We're now at the end of 2023, and I think we should aim to drop support for running NullAway on JDK 8 in the near future. Specifically, I propose:

  1. In the next release, document that we plan for that release to be the last that supports running on JDK 8.
  2. Assuming we do not learn of any major issues, drop support in the following release, potentially doing a larger version number bump to indicate a significant change.

@lazaroclapp @yuxincs thoughts?

@msridhar msridhar mentioned this issue Dec 20, 2023
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