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Add -XDaddTypeAnnotationsToSymbol=true for Error Prone 2.45.0+ JDK 21 compatibility #4584

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Add -XDaddTypeAnnotationsToSymbol=true for Error Prone 2.45.0+ JDK 21 compatibility #4584

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Copilot Jan 15, 2026
d2c2110
Add -XDaddTypeAnnotationsToSymbol=true flag for Error Prone JDK 21 co…
Copilot Jan 15, 2026
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4 changes: 4 additions & 0 deletions buildSrc/src/main/kotlin/ai.errorprone-conventions.gradle.kts
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Expand Up @@ -13,6 +13,10 @@ val disableErrorProne = properties["disableErrorProne"]?.toString()?.toBoolean()
tasks {
withType<JavaCompile>().configureEach {
with(options) {
// Error Prone 2.45.0+ requires this flag when running on JDK 21
// See: https://github.com/google/error-prone/releases/tag/v2.45.0
compilerArgs.add("-XDaddTypeAnnotationsToSymbol=true")

errorprone {
if (disableErrorProne) {
logger.warn("Errorprone has been disabled. Build may not result in a valid PR build.")
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