URI does not specify a valid host name:这是神么错误啊？用maven运行爬虫代码出现这个错误

Question

org.apache.http.client.ClientProtocolException: URI does not specify a valid host name: http:%2F%2Fvacations.ctrip.com%2Fgrouptravel%2Fp8544664s2.html%23%23%23 at org.apache.http.impl.client.CloseableHttpClient.determineTarget(CloseableHttpClient.java:94) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:107) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55) at util.HTTPUtils.getRawHtml(HTTPUtils.java:20) at util.URLFecter.URLParser(URLFecter.java:17) at main.StrokePlanMain.main(StrokePlanMain.java:33)Exception in thread "main" java.lang.IllegalArgumentException: Entity may not be null at org.apache.http.util.Args.notNull(Args.java:54) at org.apache.http.util.EntityUtils.toString(EntityUtils.java:214) at org.apache.http.util.EntityUtils.toString(EntityUtils.java:273) at util.URLFecter.URLParser(URLFecter.java:22) at main.StrokePlanMain.main(StrokePlanMain.java:33)

Answer 1

英文的意思是不能识别出有效的主机名。。客户端那边的名字