3771307 - Files in Cloud hot folder not processed because of "Flexible search error occured..."

spring.getBean("configurationService").configuration.setProperty("flexible.search.exception.show.query.details", "true")

  def fss = spring.getBean("flexibleSearchService")
  try {
      def query = new de.hybris.platform.servicelayer.search.FlexibleSearchQuery(
         "SELECT {pk} FROM {ApplicationResourceLock} WHERE {lockKey} = ?lockKey AND {region} = ?region AND {timestamp} < ?expiryDate"
      )
      query.addQueryParameter("lockKey", "7c67706a-d0d1-3e8a-b38e-1693a2906c22")
      query.addQueryParameter("region", "yCloudHotfolders")
      query.addQueryParameter("expiryDate", new java.util.Date())
      def result = fss.search(query)
      println "result count: " + result.result.size()
  } catch(e) {
      def sb = new StringBuilder()
      def t = e
      while (t != null) {
          sb.append(">>> " + t.class.name + ": " + t.message + "\n")
          t = t.cause
      }
      println sb.toString()
  }