hello everyone;
I meet a problem please help me.
I have a action which forwards to a jsp file, some scripts of jsp are:
<html:text property="stature" size="16" maxlength="16"/>
...<html:text property="avoirdupois" size="16" maxlength="16"/>
...<html:text property="lEyesight" size="16" maxlength="16"/>
...<html:text property="rEyesight" size="16" maxlength="16"/>
...
when invoked, I got a Exception:
javax.servlet.jsp.JspException: No getter method for property lEyesight of
bean
org.apache.struts.taglib.html.BEAN
at org.apache.struts.util.RequestUtils.lookup(RequestUtils.java:716)
at
org.apache.struts.taglib.html.BaseFieldTag.doStartTag(BaseFieldTag.ja
va:192)
at
org.apache.jsp.EditHealthInfo$jsp._jspService(EditHealthInfo$jsp.java
:413)
so I trid to invoked the formbean's "getLEyesight" method, it gave the right
out
put which proved that "lEyesight" property's getter really exist.
then I delete the
<html:text property="lEyesight" size="16" maxlength="16"/>
<html:text property="rEyesight" size="16" maxlength="16"/>
from my jsp script(both of lEyesight and rEyesight will cause the problem)
and t
his time it work well.
I was confused so I check the source code of struts and found the problem
existe
d in the
org.apache.commons.beanutils.PropertyUtils.getProperty(bean, property)
so I added this operation in my action like this:
healform=new HealthInfoForm(gm.getHealthInfoData());//get a form
System.out.println("invoke in action:"+healform.getLEyesight());//invoke
dir
ectly
try{
String
leye=(String)org.apache.commons.beanutils.PropertyUtils.getPr
operty(healform,"lEyesight");
System.out.println("leyesight="+leye);//try struts way to get
proper
ty
}
catch(Exception e){
System.out.println("exception when do getProperty:"+e);
e.printStackTrace();
}
session.setAttribute(mapping.getAttribute(),healform);
the result is:
15:27:31,115 INFO [STDOUT] invoke in action:5.0
15:27:31,165 INFO [STDOUT] exception when do
getProperty:java.lang.NoSuchMethod
Exception: Unknown property 'lEyesight'
15:27:31,095 ERROR [STDERR] java.lang.NoSuchMethodException: Unknown
property 'l
Eyesight'
15:27:31,095 ERROR [STDERR] at
org.apache.commons.beanutils.PropertyUtils.ge
tSimpleProperty(PropertyUtils.java:1151)
15:27:31,095 ERROR [STDERR] at
org.apache.commons.beanutils.PropertyUtils.ge
tNestedProperty(PropertyUtils.java:751)
15:27:31,095 ERROR [STDERR] at
org.apache.commons.beanutils.PropertyUtils.ge
tProperty(PropertyUtils.java:780)
15:27:31,095 ERROR [STDERR] at
com.bit.job.actions.EditHealthInfoAction.exec
ute(EditHealthInfoAction.java:58)
so it can be invoked directly but can not through PropertyUtils?
I tried to find something in the PropertyUtils' source code, but for my
limit kn
owledges I couldn't find anything.
thanks a lot.
best regards!
Gene
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