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From "Lukasz Lenart (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (WW-4310) All form submission failed due to ognl.OgnlException: target is null for setProperty
Date Tue, 06 Dec 2016 05:59:58 GMT

    [ https://issues.apache.org/jira/browse/WW-4310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15724466#comment-15724466
] 

Lukasz Lenart commented on WW-4310:
-----------------------------------

[~trananhtung30] What Struts version do you use? What kind of filters you have in {{web.xml}}?

> All form submission failed due to ognl.OgnlException: target is null for setProperty
> ------------------------------------------------------------------------------------
>
>                 Key: WW-4310
>                 URL: https://issues.apache.org/jira/browse/WW-4310
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Core Interceptors, Expression Language, Integration
>    Affects Versions: 2.3.15.1
>         Environment: IBM AIX 6.1.0.0
> Websphere Application server 7.0.0.21
> Websphere Portal server 7.0.0.2  
>            Reporter: chenlin
>             Fix For: Future
>
>
> Hi Lukasz Lenart ,
> We are using struts-portlet framework in Websphere Portal server clustering ( 1 Deploy
Manager and 4 Portal servers instances) in production. 
> Currently there is one issue happen in one of 4 servers randomly.  The exception is showing
login form in set Property is null in one server, but at that time other 3 servers are working
fine. This issue can happen in any one of 4 servers  in our production environment. We have
also raised few PMR  to  IBM team for this issue. But IBM  said it is not caused by them.
 We need your help to check if any possible way to cause this issue in struts.  
> If possible, pls share us your avaliable timing and contact, we would like to have a
call with you and IBM support to identify root cause. 
>    
>  ===IBM response=============
> When I refer the past PMR ( 18484,000,834)  we shared on all the findings and waiting
for your Application team feedback,  as such I don't think any  further action pending on
 IBM Support end. do check with Application team and  can we ask Application team not using

> the code what Application team using is  not an IBM  API / service code "           
             
> com.opensymphony.xwork2.util.logging.commons.CommonsLogger" , good to   
> check with Application team to discuss with respective vender. 
>     
> The  above error code from strut's application code, check with Application support and
ask them to explore further. 
> As  I hope we all are in same page now, as  PMR 20364,000,834  & PMR 18184,000,834
 - findings Pointing same  struts2 loging function, even application team explore why they
enabled this log ? ,how this impacted the  Application Interface page with user login error.
> =====Error Log========
> [3/18/14 1:58:12:142 GMT+08:00] 00000062 OgnlValueStac W com.opensymphony.xwork2.util.logging.commons.CommonsLogger
warn Error setting expression 'loginForm.userId' with value '[Ljava.lang.String;@1560156'
>                                 ognl.OgnlException: target is null for setProperty(null,
"userId", [Ljava.lang.String;@1560156)
>    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:234)
>    at com.opensymphony.xwork2.ognl.OgnlValueStack.trySetValue(OgnlValueStack.java:183)
>    at com.opensymphony.xwork2.ognl.OgnlValueStack.setValue(OgnlValueStack.java:170)
>    at com.opensymphony.xwork2.ognl.OgnlValueStack.setParameter(OgnlValueStack.java:148)
>    at com.opensymphony.xwork2.interceptor.ParametersInterceptor.setParameters(ParametersInterceptor.java:318)
>    at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:231)
>    at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)



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