102异常

Struts Problem Report

Struts has detected an unhandled exception:
Messages:     
Class: org.apache.struts2.components.template.TemplateEngineManager File: TemplateEngineManager.java Method: getTemplateEngine Line: 102 - org/apache/struts2/components/template/TemplateEngineManager.java:102:-1
File:     org/apache/struts2/components/template/TemplateEngineManager.java
Line number:     102
Stacktraces
org.apache.jasper.JasperException: Class: org.apache.struts2.components.template.TemplateEngineManager File: TemplateEngineManager.java Method: getTemplateEngine Line: 102 - org/apache/struts2/components/template/TemplateEngineManager.java:102:-1