无法使用Scala在Lucene 6.2中进行搜索

libraryDependencies += "org.apache.lucene" % "lucene-core" % "6.2.0"

import org.apache.lucene.analysis.standard.StandardAnalyzer
import org.apache.lucene.index.DirectoryReader
import org.apache.lucene.queryparser.classic.QueryParser
import org.apache.lucene.search.{IndexSearcher, TopDocs}
import org.apache.lucene.store.FSDirectory

import java.nio.file.Paths

object LuceneSearchExample {
  def main(args: Array[String]): Unit = {
    val indexDir = "/path/to/index/directory"
    val queryStr = "your query string"

    val reader = DirectoryReader.open(FSDirectory.open(Paths.get(indexDir)))
    val searcher = new IndexSearcher(reader)
    val analyzer = new StandardAnalyzer()

    val parser = new QueryParser("content", analyzer)
    val query = parser.parse(queryStr)

    val topDocs: TopDocs = searcher.search(query, 10)
    // 处理搜索结果
  }
}