修复xml转json再转bean失败问题

hutool-core/src/test/java/cn/hutool/core/util/XmlUtilTest.java

@@ -18,6 +18,7 @@ import org.xml.sax.helpers.DefaultHandler;
 
 import javax.xml.xpath.XPathConstants;
 import java.util.LinkedHashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
@@ -350,4 +351,29 @@ public class XmlUtilTest {
 		private String age;
 		private String email;
 	}
+
+	@Test
+	public void issue3139Test() {
+		final String xml = "<r>\n" +
+			"  <c>\n" +
+			"     <s>1</s>\n" +
+			"     <p>str</p>\n" +
+			"  </c>\n" +
+			"</r>";
+
+		final R r = XmlUtil.xmlToBean(XmlUtil.parseXml(xml), R.class);
+		Assert.assertEquals("1", r.getC().get(0).getS());
+		Assert.assertEquals("str", r.getC().get(0).getP());
+	}
+
+	@Data
+	static class C {
+		String s;
+		String p;
+	}
+
+	@Data
+	static class R {
+		List<C> c;
+	}
 }