Hi,

For now the simplest is to disable always is an alternate JVM is used, just remove the second part of the first IF statement. In Main it is no longer relevant, as the runtime JDK is always >= 17, so it would always trigger the first if.

I would not spend too much time, until errorprone gets its issues fixed. Actually they have some hacks but they only work with toolkits. Looks like the combination fork=true and not using toolkits breaks their construction of parameters to pass.

Same for Solr.

Am 14.11.2023 um 19:17 schrieb Uwe Schindler:

Hi Dawid,

The problem does not happen on Java 17, because errorprone is not enabled when the forked JDK is > Java 15. We did this because earlier versions worked correctly. But new versions of errorprone always fail when the JDK is forked while compiling.

    if (rootProject.usesAltJvm && rootProject.runtimeJavaVersion >
    JavaVersion.VERSION_15) {
      skipReason = "won't work with JDK
    ${rootProject.runtimeJavaVersion} if used as alternative java
    toolchain"
    }

    if (!propertyOrDefault("validation.errorprone",
    isCIBuild).asBoolean()) {
      skipReason = "skipped on builds not running inside CI
    environments, pass -Pvalidation.errorprone=true to enable"
    }

So it looks like the errorprone plugin got broken by a recent upgrade. It now always fails when forked JDK is used. So we shold disable it in this case. We just did not notice, as previously it was only disabled when the runtime java version was > 17.

Nowadays we no longer run alternate JVMs with Java 12, 13, 14, 15. We run with Java 11, 17, 19, 20, 21. So it is always disabled except for Java 11. With RUNTIME_JAVA_HOME==JAVA_HOME we never fork, but as we use OpenJ9, we fork an BOOOOOM.

I will post a PR soon.

Uwe

Am 14.11.2023 um 19:06 schrieb Uwe Schindler:

Hi Dawid,

Hah, the issue happens only if you pass CI=true (this is set by CI systems), so errorprone is enabled. so do "export CI=true" and then build with that config.

So it looks like a combination of errorprone enabled with Java 11 OpenJ9.

Uwe

Am 13.11.2023 um 09:09 schrieb Dawid Weiss:

Sure, thanks. What's strange is that we don't use add-opens anywhere, I think (there is a mention of it I left in one of the
comments, but nothing else across the codebase uses this directive).

> Task :lucene:distribution.tests:compileTestJava
warning: [options] --add-opens has no effect at compile time


On Sun, Nov 12, 2023 at 10:56 PM Uwe Schindler <u...@thetaphi.de> wrote:

    Will check tomorrow, it's too late now.

    On Jenkins there were no windows builds with IBM and Java 11
    yet: https://jenkins.thetaphi.de/job/Lucene-9.x-Windows/

    Am 12.11.2023 um 22:00 schrieb Dawid Weiss:

    Hi Uwe,

    Can you reproduce this on Windows with the same JVM versions
    though? Seems like I have exactly the same setup and yet this
    works for me just fine. Strange.

    Dawid

    On Sun, Nov 12, 2023 at 9:52 PM Uwe Schindler <u...@thetaphi.de>
    wrote:

        This one was my first idea, too.

        It fails only with IBM Semeru in combination with Gradle
        using Temurin.

        I will dig tomorrow on Jenkins server and print all debug info.

        Uwe


        Am 12. November 2023 21:48:54 MEZ schrieb Dawid Weiss
        <dawid.we...@gmail.com>:


            I can't reproduce this though - used exactly the same
            JVMs (on Windows):

            > gradlew :lucene:distribution.tests:compileTestJava
            --rerun-tasks --console=plain
            Generating gradle.properties
            ...
            > Task :altJvmWarning
            NOTE: Alternative java toolchain will be used for
            compilation and tests:
              Project will use 11 (IBM JDK 11.0.20.1+1, home at:
            c:\_tmp\jdk-11.0.20.1+1)
              Gradle runs with 11 (Eclipse Temurin JDK 11.0.21+9,
            home at: C:\_tmp\jdk-11.0.21+9)
            ...
            > Task :lucene:distribution.tests:compileJava NO-SOURCE
            > Task :lucene:distribution.tests:classes UP-TO-DATE
            > Task :lucene:distribution.tests:compileTestJava

            BUILD SUCCESSFUL in 23s
            5 actionable tasks: 5 executed

                On main branch it works, no idea why:


            O thought it's because of this:

            https://github.com/apache/lucene/commit/2e12a35c876a

            but I don't think so... seems to work for me on Windows
            on branch_9x just fine?

            D.

        --
        Uwe Schindler
        Achterdiek 19, 28357 Bremen
        https://www.thetaphi.de

-- Uwe Schindler
    Achterdiek 19, D-28357 Bremen
    https://www.thetaphi.de
    eMail:u...@thetaphi.de

--
Uwe Schindler
Achterdiek 19, D-28357 Bremen
https://www.thetaphi.de
eMail:u...@thetaphi.de
--
Uwe Schindler
Achterdiek 19, D-28357 Bremen
https://www.thetaphi.de
eMail:u...@thetaphi.de

--
Uwe Schindler
Achterdiek 19, D-28357 Bremen
https://www.thetaphi.de
eMail:u...@thetaphi.de

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