Details
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Bug
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Status: Closed
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Trivial
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Resolution: Fixed
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2.5.20, 2.5.22
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None
Description
I am unable to get the debugging interceptor with the parameter debug=browser to work.
According to this Link https://struts.apache.org/getting-started/debugging-struts.html i should get the dojo plugin. But the dojo plugin is not available for struts 2.5.x.
If i hit the action with debug=browser&%23parameters i will see the parameters, but can't expand the link even though i have the <s:head/> in the header of my jsp set.
2020-01-09 10:37:10,144 ERROR [http-nio-8080-exec-13] debugging.DebuggingInterceptor$3 (DebuggingInterceptor.java:237) - Unable to create debugging console java.lang.NullPointerException: null at org.apache.struts2.interceptor.debugging.ObjectToHTMLWriter.write(ObjectToHTMLWriter.java:67) ~[struts2-core-2.5.20.jar:2.5.20] at org.apache.struts2.interceptor.debugging.DebuggingInterceptor$3.beforeResult(DebuggingInterceptor.java:220) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:269) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:179) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:263) [struts2-core-2.5.20.jar:2.5.20] at org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:49) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.doIntercept(ConversionErrorInterceptor.java:142) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:137) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:137) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:201) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:67) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at org.apache.struts2.interceptor.DateTextFieldInterceptor.intercept(DateTextFieldInterceptor.java:133) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:89) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:101) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:142) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:160) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:175) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at org.apache.struts2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:121) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:167) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:203) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:196) [struts2-core-2.5.20.jar:2.5.20] at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) [struts2-core-2.5.20.jar:2.5.20] at org.apache.struts2.factory.StrutsActionProxy.execute(StrutsActionProxy.java:48) [struts2-core-2.5.20.jar:2.5.20] at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:574) [struts2-core-2.5.20.jar:2.5.20] at org.apache.struts2.dispatcher.ExecuteOperations.executeAction(ExecuteOperations.java:79) [struts2-core-2.5.20.jar:2.5.20] at org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:141) [struts2-core-2.5.20.jar:2.5.20] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.34] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.34] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) [catalina.jar:8.5.34] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [catalina.jar:8.5.34] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) [catalina.jar:8.5.34] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) [catalina.jar:8.5.34] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) [catalina.jar:8.5.34] at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650) [catalina.jar:8.5.34] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) [catalina.jar:8.5.34] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) [catalina.jar:8.5.34] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) [tomcat-coyote.jar:8.5.34] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-coyote.jar:8.5.34] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) [tomcat-coyote.jar:8.5.34] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) [tomcat-coyote.jar:8.5.34] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-coyote.jar:8.5.34] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_202] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_202] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.5.34] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]
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