Windchill PDMLink 中出现错误“检测到潜在的安全问题”。

• Windchill 报告了跨站请求伪造 (CSRF) 安全错误，例如：
• 访问零件结构页面时，会显示 CSRF 安全错误。需要多次刷新页面才能恢复正常。
• 用户报告称，用户界面中弹出警告信息，错误信息如下：

 A potential security problem was detected. Refresh the page and try again. If the problem persists, contact your administrator

• Windchill 方法服务器日志中存在类似如下的错误：

 <Date/Time>,331 ERROR [ajp-bio-8010-exec-1] com.ptc.jca.mvc.controllers.ActionController wcadmin - (com.ptc.core.appsec.appSecResource/INVALID_NONCE) com.ptc.core.appsec.ApplicationSecurityException: A potential security problem was detected. Refresh the page and try again. If the problem persists, contact your administrator.

(com.ptc.core.appsec.appSecResource/INVALID_NONCE) com.ptc.core.appsec.ApplicationSecurityException: A potential security problem was detected. Refresh the page and try again. If the problem persists, contact your administrator.

at com.ptc.core.appsec.CSRFProtector.handleInvalidNonce(CSRFProtector.java:249)
at com.ptc.core.appsec.CSRFProtector.checkNonce(CSRFProtector.java:216)

• 安全审计报告中存在类型为“跨站请求伪造”的事件。
• 在“部件结构”视图页面上发生“com.ptc.cat.ops.client.internal.ClearCollectorCacheOperation 检测到潜在的安全问题。请刷新页面并重试。如果问题仍然存在，请联系您的管理员”异常。
• 在搜索包含特殊字符（例如“*”、“?”）的关键字时，MS 日志中出现错误。

 error:-------------(com.ptc.core.appsec.appSecResource/INVALID_NONCE) com.ptc.core.appsec.ApplicationSecurityException: A potential security problem was detected. Refresh the page and try again. If the problem persists, contact your administrator.
(com.ptc.core.appsec.appSecResource/INVALID_NONCE) com.ptc.core.appsec.ApplicationSecurityException: A potential security problem was detected. Refresh the page and try again. If the problem persists, contact your administrator.
	at com.ptc.core.appsec.CSRFProtector.handleInvalidNonce(CSRFProtector.java:316)
	at com.ptc.core.appsec.CSRFProtector.checkNonce(CSRFProtector.java:252)
	at com.ptc.jca.mvc.controllers.Log4JavascriptController.logData(Log4JavascriptController.java:96)
	at sun.reflect.GeneratedMethodAccessor620.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)
	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:150)
	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117)
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808)
	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1067)
	at org.springframework.web.servlet.DispatcherServlet.doService