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https://issues.apache.org/jira/browse/WW-3365?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lukasz Lenart closed WW-3365.
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Resolution: Not A Problem
> There will be no log4j error message while it displays warning "The visited
> object is null, VisitorValidator will not be able to handle validation
> properly. Please make sure the visited object is not null for
> VisitorValidator to function properly"
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: WW-3365
> URL: https://issues.apache.org/jira/browse/WW-3365
> Project: Struts 2
> Issue Type: Bug
> Components: Core Interceptors
> Affects Versions: 2.1.2
> Environment: Tomcat 6.0 + Struts 2.1.2
> Reporter: jession ji
> Priority: Major
> Fix For: 6.1.0
>
>
> We use log4j debug in all validator methods to get the detail for illegal
> input. And we found that there will might be no log4j log and a waring on
> tomcat server "The visited object is null, VisitorValidator will not be able
> to handle validation properly. Please make sure the visited object is not
> null for VisitorValidator to function properly". It will be OK after we
> restart tomcat server. This issue can not be found every time. Could anyone
> give me some advice?
> public void validate(Object object) throws ValidationException {
> String fieldName = getFieldName();
> String val = (String) getFieldValue(fieldName, object);
> log.logInfo("Field:" + fieldName + " &Value:" + val);
> if ((minLength > -1) && (val.length() < minLength)) {
> addFieldError(fieldName, object);
> } else if ((maxLength > -1) && (val.length() > maxLength)) {
> log.logError("Input validation max length checking
> failure:"+fieldName);
> addFieldError(fieldName, object);
> }
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