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/struts/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
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);
wbxLogger.logInfo("Field:" + fieldName + " &Value:" + val);
if (val == null || val.length() <= 0) {
// use a required validator for these
return;
}
try {
val = UTF8ValidateUtil.getUTFString(val);
}catch (UnsupportedEncodingException e){
return;
}
if (doTrim) {
val = val.trim();
if (val.length() <= 0) {
// use a required validator
return;
}
}
if ((minLength > -1) && (val.length() < minLength)) {
addFieldError(fieldName, object);
} else if ((maxLength > -1) && (val.length() > maxLength)) {
wbxLogger.logError("Input validation max length checking
failure:"+fieldName);
addFieldError(fieldName, object);
}
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