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From Dale Newfield <d...@newfield.org>
Subject Re: How to avoid ognl exception.
Date Sun, 10 Nov 2013 17:08:11 GMT
"No-op" means "no operation", or "do nothing".
-Dale

> On Nov 10, 2013, at 11:28 AM, Yaragalla Muralidhar <yaragallamurali@gmail.com>
wrote:
> 
> I am not sure what "op" means but i don't have setters for those properties
> and even the properties itself are not there.
> 
> *Thanks and Regards,*
> Muralidhar Yaragalla.
> 
> *http://yaragalla.blogspot.in/ <http://yaragalla.blogspot.in/>*
> 
> 
>> On Sun, Nov 10, 2013 at 9:54 PM, Dale Newfield <dale@newfield.org> wrote:
>> 
>> And/or add no-op setters in your actions.
>> -Dale
>> 
>>> On Nov 10, 2013, at 11:22 AM, umeshawasthi@gmail.com wrote:
>>> 
>>> Set dev mode false and this shd go
>>> Sent from BlackBerry® on Airtel
>>> 
>>> -----Original Message-----
>>> From: Yaragalla Muralidhar <yaragallamurali@gmail.com>
>>> Date: Sun, 10 Nov 2013 21:50:03
>>> To: Struts Users Mailing List<user@struts.apache.org>
>>> Reply-To: "Struts Users Mailing List" <user@struts.apache.org>
>>> Subject: How to avoid ognl exception.
>>> 
>>> Hi I have few form fields defined in my html but there is no
>> corresponding
>>> property in action. I am purposefully not defining them. Why i am doing
>>> this is the same form can be submitted to two different actions based on
>>> the requirement. so one action needs few and the other action needs few
>>> form fields. In this case i always get the following exception. After
>> this
>>> exception the server response time is getting very low so how can i avoid
>>> getting this exception. If there are corresponding properties in action
>> the
>>> struts have to set the values and if not it has to be silent. It should
>> not
>>> display the following exception. Kindly help me.
>>> 
>>> 2013-11-10 21:43:37 ERROR ParametersInterceptor:34 - Developer
>> Notification
>>> (set struts.devMode to false to disable this message):
>>> Unexpected Exception caught setting 'searchTerms.studentId' on 'class
>>> com.opensymphony.xwork2.ActionSupport: Error setting expression
>>> 'searchTerms.studentId' with value '[Ljava.lang.String;@9a7d59b'
>>> 2013-11-10 21:43:37 WARN  OgnlValueStack:60 - Error setting expression
>>> 'searchTerms.toAcademicYear' with value '[Ljava.lang.String;@69b8b810'
>>> ognl.OgnlException: target is null for setProperty(null,
>> "toAcademicYear",
>>> [Ljava.lang.String;@69b8b810)
>>> at ognl.OgnlRuntime.setProperty(OgnlRuntime.java:2326)
>>> at ognl.ASTProperty.setValueBody(ASTProperty.java:127)
>>> at ognl.SimpleNode.evaluateSetValueBody(SimpleNode.java:220)
>>> at ognl.SimpleNode.setValue(SimpleNode.java:301)
>>> at ognl.ASTChain.setValueBody(ASTChain.java:227)
>>> at ognl.SimpleNode.evaluateSetValueBody(SimpleNode.java:220)
>>> at ognl.SimpleNode.setValue(SimpleNode.java:301)
>>> at ognl.Ognl.setValue(Ognl.java:737)
>>> at com.opensymphony.xwork2.ognl.OgnlUtil.setValue(OgnlUtil.java:224)
>>> at
>> com.opensymphony.xwork2.ognl.OgnlValueStack.trySetValue(OgnlValueStack.java:187)
>>> at
>> com.opensymphony.xwork2.ognl.OgnlValueStack.setValue(OgnlValueStack.java:174)
>>> at
>> com.opensymphony.xwork2.ognl.OgnlValueStack.setParameter(OgnlValueStack.java:152)
>>> at
>> com.opensymphony.xwork2.interceptor.ParametersInterceptor.setParameters(ParametersInterceptor.java:329)
>>> at
>> com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:241)
>>> at
>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
>>> at
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
>>> at
>> com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:249)
>>> at
>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
>>> at
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
>>> at
>> com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:191)
>>> at
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
>>> at
>> org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:73)
>>> at
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
>>> at
>> org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:91)
>>> at
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
>>> at
>> org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:252)
>>> at
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
>>> at
>> com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)
>>> at
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
>>> at
>> com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)
>>> at
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
>>> at
>> com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145)
>>> at
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
>>> at
>> com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171)
>>> at
>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
>>> at
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
>>> at
>> com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:176)
>>> at
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
>>> at
>> org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
>>> at
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
>>> at
>> com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:193)
>>> at
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
>>> at
>> com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187)
>>> at
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
>>> at
>> org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54)
>>> at
>> org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:546)
>>> at
>> org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
>>> at
>> org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)
>>> at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
>>> at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>> at com.ymd.ums.LoginFilter.doFilter(LoginFilter.java:36)
>>> 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:472)
>>> 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:936)
>>> at
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
>>> at
>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
>>> at
>> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
>>> at
>> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
>>> at
>> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
>>> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
>>> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
>>> at java.lang.Thread.run(Unknown Source)
>>> 
>>> *Thanks and Regards,*
>>> Muralidhar Yaragalla.
>>> 
>>> *http://yaragalla.blogspot.in/ <http://yaragalla.blogspot.in/>*
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