遇到的问题---百度ueditor----An error occurred at line: 12 in the jsp file: /ueditor/jsp/controller.jsp

情况

初始化完百度ueditor编辑器后  图片上传功能不可用,服务器端报错。
An error occurred at line: 12 in the jsp file: /ueditor/jsp/controller.jsp

在访问项目的浏览器中F12开发者模式看到报错。
如图:







完整报错:
An error occurred at line: [14] in the generated java file: [F:\eclipseworkspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\work\Catalina\localhost\_\org\apache\jsp\ueditor\jsp\controller_jsp.java]
Only a type can be imported. com.baidu.ueditor.ActionEnter resolves to a package

An error occurred at line: 12 in the jsp file: /ueditor/jsp/controller.jsp
ActionEnter cannot be resolved to a type
9:
10: String rootPath = application.getRealPath( "/" );
11:
12: out.write( new ActionEnter( request, rootPath ).exec() );
13:
14: %>

Stacktrace:] with root cause
org.apache.jasper.JasperException: Unable to compile class for JSP:

An error occurred at line: [14] in the generated java file: [F:\eclipseworkspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\work\Catalina\localhost\_\org\apache\jsp\ueditor\jsp\controller_jsp.java]
Only a type can be imported. com.baidu.ueditor.ActionEnter resolves to a package

An error occurred at line: 12 in the jsp file: /ueditor/jsp/controller.jsp
ActionEnter cannot be resolved to a type
9:
10: String rootPath = application.getRealPath( "/" );
11:
12: out.write( new ActionEnter( request, rootPath ).exec() );
13:
14: %>

Stacktrace:
at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:103)
at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:366)
at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:468)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:378)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:353)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:340)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:646)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:357)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)
at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at com.test.web.servlet.filter.EncodingFilter.doFilter(EncodingFilter.java:44)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

解决方法

这种情况其实是因为缺少jar包。
细心的读者会发现
Only a type can be imported. com.baidu.ueditor.ActionEnter resolves to a package

ActionEnter cannot be resolved to a type

也就是说 缺少了包，ActionEnter cannot be resolved to a type不能被识别。

解决方法是引入jar包。
在ueditor的资源包中我们看到jsp文件夹里有lib文件夹和jar包。我们需要引用这些jar包才能正常使用 图片上传功能。我们这里把这些jar包 5个jar 放到 WEB-INF 目录下的lib 中。右键Build Path ---》Add to Build Path 引用它们。



更多 图片上传的配置 请看:

百度ueditor富文本--配置图片上传