如下

李建鹏 · 发表于 2016-12-21 17:14:39

我用的是自己的tomcat,（把所有的内容拷贝到了自己的tomcat下，就出现这个问题，）

jishuang · 发表于 2016-12-21 17:45:36

F12打开浏览器的开发人员调试工具看看network中的监控信息

李建鹏 · 发表于 2016-12-22 09:16:02

jishuang 发表于 2016-12-21 17:45
F12打开浏览器的开发人员调试工具看看network中的监控信息

<!DOCTYPE html
PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">

<html version="2.0">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>Error</title>
</head>
<BODY id="error">
<H1>UIServer错误</H1>

<H4>URI：/x5/UI2/v_5113_nol_zh_CNs_desktopd_pc/portal/base/login/login.j</H4>
<H4>错误码：500</H4>
<H4>错误信息：</H4>
<div>Servlet execution threw an exception</div>
<H4><a href="javascript:void(0);" onClick="javascript:document.getElementById('main').style.display=window.isShow?'none':'';var ele = event.target || event.srcElement;if(ele) ele.innerHTML = window.isShow?'显示错误详细':'隐藏错误详细';window.isShow = !window.isShow;">显示错误详细</a></H4>
<div id="main" style="display:none;">

<pre>
java.lang.UnsupportedClassVersionError: Login : Unsupported major.minor version 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at com.justep.classloader.JustepURLClassLoader.a(Unknown Source)
at com.justep.classloader.JustepURLClassLoader.a(Unknown Source)
at com.justep.classloader.b.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at com.justep.classloader.JustepURLClassLoader.findClass(Unknown Source)
at com.justep.classloader.Model$b.findClass(Unknown Source)
at com.justep.classloader.Model$a.b(Unknown Source)
at com.justep.classloader.Model$a.a(Unknown Source)
at com.justep.classloader.Model.getModelClass(Unknown Source)
at com.justep.ui.JavaServer.runJava(Unknown Source)
at com.justep.ui.JavaServer.doJ(Unknown Source)
at com.justep.ui.JavaServer.service(Native Method)
at com.justep.ui.servlet.MainServlet.service(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at com.justep.portal.filter.RedirectFilter.doFilter(Unknown Source)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:309)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

</pre>

</div>

jishuang · 发表于 2016-12-22 10:42:35

java.lang.UnsupportedClassVersionError: Login : Unsupported major.minor version 52.0

jdk版本的问题，用你现在用的jdk把UI2和BIZ下的java编译一下
平台tools\compile下提供的有编译的批处理文件，把里面jre_home设置为你用的jdk的路径

ntangjr · 发表于 2017-3-23 14:51:37

jishuang 发表于 2016-12-22 10:42
java.lang.UnsupportedClassVersionError: Login : Unsupported major.minor version 52.0

jdk版本的问题 ...

我也遇到同样的问题，按楼上的指点，问题解决了。

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