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可能重复：
是否有可能使用 HTTPS 协议的 URL 以“http://”开头的站点

尝试从 URL 获取状态代码 - 获取 java.net.ProtocolException: Unsupported protocol: https 用于我想要检索其 http 状态代码的特定 URL。

String link = "http://abc.def.ghi.jkl";
URL thisURL;
HttpURLConnection conn = null;

thisURL = new URL(link);
conn = (HttpURLConnection) thisURL.openConnection();
System.out.println(conn.getResponseCode());   // getting exception in this line
System.out.println(conn.getResponseMessage());

这是异常堆栈跟踪：

java.net.ProtocolException: Unsupported protocol: https'
    at weblogic.net.http.HttpClient.openServer(HttpClient.java:342)
    at weblogic.net.http.HttpClient.New(HttpClient.java:238)
    at weblogic.net.http.HttpURLConnection.connect(HttpURLConnection.java:172)
    at weblogic.net.http.HttpURLConnection.followRedirect(HttpURLConnection.java:643)
    at weblogic.net.http.HttpURLConnection.getInputStream(HttpURLConnection.java:422)
    at           weblogic.net.http.SOAPHttpURLConnection.getInputStream(SOAPHttpURLConnection.java:36)
    at weblogic.net.http.HttpURLConnection.getResponseCode(HttpURLConnection.java:947)
    at com.cingular.cscape.da.struts.action.thisAction.executeAction(thisAction.java:56)
    at com.cingular.cscape.da.struts.action.BaseAction.execute(BaseAction.java:300)
    at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
    at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
    at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
    at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
    at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
    at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
    at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
    at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
    at org.extremecomponents.table.filter.AbstractExportFilter.doFilter(AbstractExportFilter.java:53)
    at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
    at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3496)
    at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
    at weblogic.security.service.SecurityManager.runAs(Unknown Source)
    at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2180)
    at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2086)
    at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1406)
    at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
    at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)

任何帮助将不胜感激。谢谢。

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