PAS安全：启用安全管理并重启server，访问管理控制台报错：java.lang.NoClassDefFoundError: sun/security/ssl/HandshakeStateManager

【问题】

AppServer 7.0 管理控制台—>server(管理服务器)，启用安全管理后，重启server，再访问管理控制台，页面无法正常展示

pas\domains\domain1\logs\server.log里报错：

java.lang.NoClassDefFoundError: sun/security/ssl/HandshakeStateManager
 at sun.security.ssl.Handshaker.init(Handshaker.java:282)
 at sun.security.ssl.Handshaker.<init>(Handshaker.java:242)
 at sun.security.ssl.ClientHandshaker.<init>(ClientHandshaker.java:160)
 at sun.security.ssl.SSLSocketImpl.initHandshaker(SSLSocketImpl.java:1339)
 at sun.security.ssl.SSLSocketImpl.doneConnect(SSLSocketImpl.java:700)
 at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:679)
 at sun.security.ssl.BaseSSLSocketImpl.connect(BaseSSLSocketImpl.java:173)
 at sun.net.NetworkClient.doConnect(NetworkClient.java:180)
 at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
 at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
 at sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:264)
 at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367)
 at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191)
 at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
 at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
 at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177)
 at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1564)
 at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1492)
 at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:263)
 at com.primeton.appserver.enterprise.v3.admin.adapter.AdminConsoleAdapter.initRest(AdminConsoleAdapter.java:509)
 at com.primeton.appserver.enterprise.v3.admin.adapter.AdminConsoleStartupService.handleLow(AdminConsoleStartupService.java:119)
......

【解答】

问题原因：使用的JDK版本低于AppServer7.0要求的版本，导致上述错误；

解决方法：按照AppServer7.0的配置要求，更换了JDK版本后（如：JDK1.8.0_241），server启动及访问控制台功能都正常了

注意事项：安装AppServer7.0，JDK版本请使用安装文档里“配置要求”里要求的版本；

安装文档：http://doc.primeton.com/pages/viewpage.action?pageId=32759754