PHILO-HE commented on code in PR #8468:
URL: https://github.com/apache/incubator-gluten/pull/8468#discussion_r1908103783
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gluten-core/src/main/scala/org/apache/gluten/component/package.scala:
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@@ -37,6 +37,12 @@ package object component extends Logging {
// Output log so user could view the component loading order.
// Call #sortedUnsafe than on #sorted to avoid unnecessary recursion.
val components = Component.sortedUnsafe()
+ require(
+ components.nonEmpty,
+ s"No component files found in container directories named with " +
+ s"'META-INF/gluten-components' from classpath. JVM classpath value " +
+ s"is: ${System.getProperty("java.class.path")}"
Review Comment:
@zhztheplayer, is user configured `extraClassPath` covered by
`java.class.path`?
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