Re: problem parsing validation-rules depends="" with jboss

[Erik Weber]

Do you have Struts 1.1 around? Can you deploy any of the example webapps 
from that dist? How about the examples from your dist? Sorry, I know 
it's not much help. But it looks like ValidatorAction is trying to 
instantiate a StringTokenizer with a null String, so I was just trying 
to narrow it down to a possible bug in a newer version of Struts. I 
don't have the Struts source code or even the latest version.

Also just as a note, I found that I need to clean out both the "work" 
and the "tmp" directories in the server instance home and then restart 
to get a clean JBoss/Tomcat. I needed it so often I wrote an ant target 
to do it.

Erik

Rick Reumann wrote:
I'm still stumped. I stopped server, deleted all temp files, 
re-deployed, and get the same error with jboss3.2.5  (listed below)
What I find odd is if I remove all the rules that have depends="" in 
them and redploy with the modified validation-rules then everything is 
fine. Very frustrating.

11:02:13,530 INFO  [ValidatorPlugIn] Loading validation rules file 
from '/WEB-INF/validator-rules.xml'
11:02:13,546 INFO  [ValidatorPlugIn] Loading validation rules file 
from '/WEB-INF/validation.xml'
11:02:13,686 ERROR [Digester] Begin event threw exception
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 

<snip>
Caused by: java.lang.NullPointerException
        at java.util.StringTokenizer.<init>(StringTokenizer.java:146)
        at java.util.StringTokenizer.<init>(StringTokenizer.java:162)
        at 
org.apache.commons.validator.ValidatorAction.setDepends(ValidatorAction.java:255) 

        ... 147 more
11:02:13,921 ERROR [ValidatorPlugIn] Skipping all validation
java.lang.NullPointerException
        at 
org.apache.commons.digester.Digester.createSAXException(Digester.java:2540) 

        at 
org.apache.commons.digester.Digester.createSAXException(Digester.java:2566) 



Rick Reumann wrote the following on 10/5/2004 8:56 AM:
Erik Weber wrote the following on 10/5/2004 1:36 AM:
Zoinks, JBoss 3.2.4 (on unix) and 3.2.5 (on win 2000) have been able 
to parse the default validator-rules.xml (version 1.1, which has 
several 'depends=""') for me without any problems. However, I did 
run into some problems with parsing errors on hot redeploys, but 
never could discover a pattern to them. I don't recall seeing your 
particular error. One thing I discovered that helped in my case was 
to invalidate any existing sessions before a hot redeploy. Sorry to 
be of little help.

Are you sure that is a parsing error?

No, I'm not sure at all:) Let me look into some more things today. I 
wonder if maybe it's using a cached version of an invalid rules file 
that I had replaced but I never cleared out the temp directory. I'll 
try that when I get to work. Thanks for the help.



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