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fix(build): plain cli fails all queries on JDK 18+ — discard classless resolver-SPI registration (#171) #174

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Merged
fupelaqu merged 1 commit into from
Jul 31, 2026
Merged

fix(build): plain cli fails all queries on JDK 18+ — discard classless resolver-SPI registration (#171) #174

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8 changes: 8 additions & 0 deletions build.sbt
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Original file line number Diff line number Diff line change
Expand Up @@ -321,6 +321,14 @@ def cliProject(esVersion: String, ss: Def.SettingsDefinition*): Project = {
),

assembly / assemblyMergeStrategy := {
// Issue #171: dnsjava (transitive via hadoop-client -> hadoop-common) registers
// org.xbill.DNS.spi.DnsjavaInetAddressResolverProvider, but the provider class only
// exists under META-INF/versions/18/ (multi-release jar), which the META-INF discard
// rule below drops. Keeping the classless registration breaks ALL name resolution on
// JDK 18+ (JEP 418 consults the InetAddressResolver SPI on first lookup), so the
// service entry must be discarded along with the class.
case PathList("META-INF", "services", "java.net.spi.InetAddressResolverProvider") =>
MergeStrategy.discard
case PathList("META-INF", "services", _ @_*) => MergeStrategy.concat
case PathList("META-INF", _ @_*) => MergeStrategy.discard
case "reference.conf" => MergeStrategy.concat
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