Re: Tomcat 6 + Jstl

[David Smith]

Ooops...  didn't see the second expression in that error report:
${((sreq.vrs eq 0) and (status.index gt 0)) or (sreq.vrs gt 0) or (not 
empty sreq.query ) or (not empty sreq.ilettera)}

Keep in mind, the operators '&&', '||', '==' and '>' are valid and you 
are certainly welcome to keep them.  I use xml formatted jsps and have 
gotten in the habbit of using the alternate 'and', 'or', 'eq' and 'gt' 
operators.  Plus I think they are more human readable.

--David

David Smith wrote:

Try this instead:

${(sreq.vrs eq 0) and (empty sreq.query) and (empty sreq.ilettera)}


Your use of the el expressions needs some refinement.  Specifically 
you don't call methods like you would in a jsp:expression tag or in 
generic java.

someBean.getSomething() is replaced with someBean.something

Also you don't need to test for equivalence to "".  The empty operator 
does this and null testing very well.

--David

Manca Davide wrote:

I don't understand the reason I'm getting these 2 errrors.



org.apache.jasper.JasperException: <h3>Validation error messages from
TagLibraryValidator for c in /cgi/cocktails/browse/listing.cgi</h3><p>9:
tag = 'if' / attribute = 'test': An error occurred while parsing custom
action attribute "test" with value "${(sreq.getVrs()==0) &&
(sreq.getQuery().equals(""))&&(sreq.getIlettera().equals(""))}":
Encountered "(", expected one of [".", ">", "gt", "<", "lt", "==", "eq",
"<=", "le", ">=", "ge", "!=", "ne", ")", "[", "+", "-", "*", "/", "div",
"%", "mod", "and", "&&", "or", "||"]</p><p>54: tag = 'when' / attribute
= 'test': An error occurred while parsing custom action attribute "test"
with value "${((sreq.getVrs()==0) &&
(status.index>0))||(sreq.getVrs()>0)||(!sreq.getQuery().equals(""))||(!s
req.getIlettera().equals("")) }": Encountered "(", expected one of [".",
">", "gt", "<", "lt", "==", "eq", "<=", "le", ">=", "ge", "!=", "ne",
")", "[", "+", "-", "*", "/", "div", "%", "mod", "and", "&&", "or",
"||"]</p>





and





org.apache.jasper.JasperException: Unable to compile class for JSP:
An error occurred at line: 80 in the jsp file: /cgi/commons/listing.cgi
Syntax error, insert "while ( Expression ) ;" to complete
BlockStatements
<c:choose>
<c:when test="${sbean.TotProgrammi>0}">
<table cellpadding="0" width="100%" cellspacing="0"
border="0"><tr><td><div id="box-tit"><div id="data">
<%=htgiorni.get(fmt3.format(new java.util.Date(yyyy+"/"+mm+"/"+gg)))%>
<%=fmt2.format(new java.util.Date(yyyy+"/"+mm+"/"+gg))%>
<%=htmesi.get(fmt4.format(new
java.util.Date(yyyy+"/"+mm+"/"+gg)))%></div><%if
(!oraCheck.equals("-2")){%><div id="box-ora">&nbsp; cambia fascia
oraria<table cellpadding="0" cellspacing="0" border="0"
id="cambia-ora"><tr><td><%if (Integer.parseInt(ora) >= 2) {%><a
href="?day=<%=fmt.format(new
java.util.Date(yyyy+"/"+mm+"/"+gg))%>&hour=<%=Integer.parseInt(ora)-2%>&
type=<%=request.getParameter("type")%>&chtype=<%=request.getParameter("c
htype")%>&channel=<%=request.getParameter("channel")%>&tipo=2"><%}%><img
src="/guida_tv/images/freccia_indietro.gif" alt="indietro"
border="0"/><%if (Integer.parseInt(ora) >= 2)
{%></a><%}%></td><td>&nbsp;<%=ora%>.00-<%=orapiudue%>.00&nbsp;</td><td><
%if (Integer.parseInt(ora) < 22) {if (Integer.parseInt(ora) >= 21) {%><a
href="?day=<%=fmt.format(new
java.util.Date(yyyy+"/"+mm+"/"+gg))%>&hour=<%=Integer.parseInt(ora)+1%>&
type=<%=request.getParameter("type")%>&chtype=<%=request.getParameter("c
htype")%>&channel=<%=request.getParameter("channel")%>&tipo=2"><%} else
{%><a href="?day=<%=fmt.format(new
java.util.Date(yyyy+"/"+mm+"/"+gg))%>&hour=<%=Integer.parseInt(ora)+2%>&
type=<%=request.getParameter("type")%>&chtype=<%=request.getParameter("c
htype")%>&channel=<%=request.getParameter("channel")%>&tipo=2"><%}%><%}%
 

<img src="/guida_tv/images/freccia_avanti.gif" alt="avanti"
  

border="0"/><%if (Integer.parseInt(ora) < 22)
{%></a><%}%></td></tr></table></div></div><%}%></td></tr></table><br><!-
-/data e fascia oraria --><%}%>
</c:when>
</c:choose>
<%







Thank you


 



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