fix bug

hutool-core/src/main/java/cn/hutool/core/lang/Console.java

@@ -85,8 +85,7 @@ public class Console {
 	public static void log(final Throwable t, final String template, final Object... values) {
 		out.println(StrUtil.format(template, values));
 		if (null != t) {
-			//noinspection CallToPrintStackTrace
-			t.printStackTrace();
+			t.printStackTrace(out);
 			out.flush();
 		}
 	}

hutool-core/src/main/java/cn/hutool/core/net/url/UrlBuilder.java

@@ -340,6 +340,22 @@ public final class UrlBuilder implements Builder<String> {
 		return this;
 	}
 
+	/**
+	 * 是否path的末尾加 /
+	 *
+	 * @param withEngTag 是否path的末尾加 /
+	 * @return this
+	 * @since 5.8.5
+	 */
+	public UrlBuilder setWithEndTag(final boolean withEngTag) {
+		if (null == this.path) {
+			this.path = UrlPath.of();
+		}
+
+		this.path.setWithEndTag(withEngTag);
+		return this;
+	}
+
 	/**
 	 * 增加路径节点，路径节点中的"/"会被转义为"%2F"
 	 *
@@ -489,7 +505,7 @@ public final class UrlBuilder implements Builder<String> {
 		final StringBuilder fileBuilder = new StringBuilder();
 
 		// path
-		fileBuilder.append(StrUtil.blankToDefault(getPathStr(), StrUtil.SLASH));
+		fileBuilder.append(getPathStr());
 
 		// query
 		final String query = getQueryStr();

hutool-core/src/main/java/cn/hutool/core/net/url/UrlPath.java

@@ -22,6 +22,16 @@ public class UrlPath {
 	private List<String> segments;
 	private boolean withEngTag;
 
+	/**
+	 * 构建UrlPath
+	 *
+	 * @return UrlPath
+	 * @since 6.0.0
+	 */
+	public static UrlPath of() {
+		return new UrlPath();
+	}
+
 	/**
 	 * 构建UrlPath
 	 *
@@ -30,9 +40,7 @@ public class UrlPath {
 	 * @return UrlPath
 	 */
 	public static UrlPath of(final CharSequence pathStr, final Charset charset) {
-		final UrlPath urlPath = new UrlPath();
-		urlPath.parse(pathStr, charset);
-		return urlPath;
+		return of().parse(pathStr, charset);
 	}
 
 	/**
@@ -100,12 +108,12 @@ public class UrlPath {
 	public UrlPath parse(CharSequence path, final Charset charset) {
 		if (StrUtil.isNotEmpty(path)) {
 			// 原URL中以/结尾，则这个规则需保留，issue#I1G44J@Gitee
-			if(StrUtil.endWith(path, CharUtil.SLASH)){
+			if (StrUtil.endWith(path, CharUtil.SLASH)) {
 				this.withEngTag = true;
 			}
 
 			path = fixPath(path);
-			if(StrUtil.isNotEmpty(path)){
+			if (StrUtil.isNotEmpty(path)) {
 				final List<String> split = StrUtil.split(path, '/');
 				for (final String seg : split) {
 					addInternal(URLDecoder.decodeForPath(seg, charset), false);
@@ -135,20 +143,21 @@ public class UrlPath {
 	 *     path = path-abempty / path-absolute / path-noscheme / path-rootless / path-empty
 	 * </pre>
 	 *
-	 * @param charset encode编码，null表示不做encode
+	 * @param charset       encode编码，null表示不做encode
 	 * @param encodePercent 是否编码`%`
 	 * @return 如果没有任何内容，则返回空字符串""
 	 * @since 5.8.0
 	 */
 	public String build(final Charset charset, final boolean encodePercent) {
 		if (CollUtil.isEmpty(this.segments)) {
-			return StrUtil.EMPTY;
+			// 没有节点的path取决于是否末尾追加/，如果不追加返回空串，否则返回/
+			return withEngTag ? StrUtil.SLASH : StrUtil.EMPTY;
 		}
 
 		final char[] safeChars = encodePercent ? null : new char[]{'%'};
 		final StringBuilder builder = new StringBuilder();
 		for (final String segment : segments) {
-			if(builder.length() == 0){
+			if (builder.length() == 0) {
 				// 根据https://www.ietf.org/rfc/rfc3986.html#section-3.3定义
 				// path的第一部分不允许有":"，其余部分允许
 				// 在此处的Path部分特指host之后的部分，即不包含第一部分
@@ -157,12 +166,15 @@ public class UrlPath {
 				builder.append(CharUtil.SLASH).append(RFC3986.SEGMENT.encode(segment, charset, safeChars));
 			}
 		}
-		if (StrUtil.isEmpty(builder)) {
-			// 空白追加是保证以/开头
-			builder.append(CharUtil.SLASH);
-		}else if (withEngTag && false == StrUtil.endWith(builder, CharUtil.SLASH)) {
-			// 尾部没有/则追加，否则不追加
-			builder.append(CharUtil.SLASH);
+
+		if (withEngTag) {
+			if (StrUtil.isEmpty(builder)) {
+				// 空白追加是保证以/开头
+				builder.append(CharUtil.SLASH);
+			} else if (false == StrUtil.endWith(builder, CharUtil.SLASH)) {
+				// 尾部没有/则追加，否则不追加
+				builder.append(CharUtil.SLASH);
+			}
 		}
 
 		return builder.toString();

hutool-core/src/test/java/cn/hutool/core/net/UrlBuilderTest.java

@@ -20,6 +20,17 @@ public class UrlBuilderTest {
 		Assert.assertEquals("http://www.hutool.cn/", buildUrl);
 	}
 
+	@Test
+	public void buildWithoutSlashTest(){
+		// https://github.com/dromara/hutool/issues/2459
+		String buildUrl = UrlBuilder.of().setScheme("http").setHost("192.168.1.1").setPort(8080).setWithEndTag(false).build();
+		Assert.assertEquals("http://192.168.1.1:8080", buildUrl);
+
+		buildUrl = UrlBuilder.of().setScheme("http").setHost("192.168.1.1").setPort(8080).addQuery("url", "http://192.168.1.1/test/1")
+				.setWithEndTag(false).build();
+		Assert.assertEquals("http://192.168.1.1:8080?url=http://192.168.1.1/test/1", buildUrl);
+	}
+
 	@Test
 	public void buildTest2() {
 		// path中的+不做处理