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 My applications keeps showing errors in localhost_log.txt

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lixiang

Posts: 2
Posted: 04/03/2007, 7:37 AM

hi! i'm new on using codecharge studio 2.2.3.60 trial version and i am having trouble with the JSPs generated
by the application builder. The errors below keeps showing in localhost_log.2007-03-30.txt(tomcat 5.0.28) randomly.
I have submitted this problem to ccs support, but the only answer is to try a new version . These errors seems
do no harm to my application. However I still want to figure out what caused these errors,imcompatible reason( I inserted
<jspversion>1.0</jspversoin> into CCStag.tld to let it run under tomcat5) or something wrong at the configuration stage.
I'm afraid if you could give me any advice to fix this,thanks in advance.

2007-03-30 10:08:58 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception
java.lang.Error: IO Problems
at com.codecharge.tags.FormActionTag.doEndTag(Unknown Source)
at org.apache.jsp.SUBSCRIBER_005fmaint2_jsp._jspx_meth_ccs_form_action_0(SUBSCRIBER_005fmaint2_jsp.java:2065)
at org.apache.jsp.SUBSCRIBER_005fmaint2_jsp._jspx_meth_ccs_record_0(SUBSCRIBER_005fmaint2_jsp.java:1494)
at org.apache.jsp.SUBSCRIBER_005fmaint2_jsp._jspService(SUBSCRIBER_005fmaint2_jsp.java:1287)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)

2007-03-30 15:32:19 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception
java.lang.NullPointerException
at org.apache.coyote.tomcat5.CoyoteResponse.toAbsolute(CoyoteResponse.java:1426)
at org.apache.coyote.tomcat5.CoyoteResponse.encodeURL(CoyoteResponse.java:1057)
at org.apache.coyote.tomcat5.CoyoteResponseFacade.encodeURL(CoyoteResponseFacade.java:301)
at com.codecharge.util.SimpleSessionStorage.encodeURL(Unknown Source)
at com.codecharge.tags.PageHrefTag.doEndTag(Unknown Source)
at org.apache.jsp.SUBSCRIBER_005finput_005flist_jsp._jspx_meth_ccs_page_href_2(SUBSCRIBER_005finput_005flist_jsp.java:2466)
at org.apache.jsp.SUBSCRIBER_005finput_005flist_jsp._jspx_meth_ccs_next_on_0(SUBSCRIBER_005finput_005flist_jsp.java:2443)
at org.apache.jsp.SUBSCRIBER_005finput_005flist_jsp._jspx_meth_ccs_navigator_0(SUBSCRIBER_005finput_005flist_jsp.java:2302)
at org.apache.jsp.SUBSCRIBER_005finput_005flist_jsp._jspx_meth_ccs_grid_0(SUBSCRIBER_005finput_005flist_jsp.java:1184)
at org.apache.jsp.SUBSCRIBER_005finput_005flist_jsp._jspService(SUBSCRIBER_005finput_005flist_jsp.java:435)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
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matheus

Posts: 386
Posted: 04/03/2007, 9:41 AM

The second error, occurs to me too. It's something in compare URL and encode.

To resolve, I had change some CCS classes, and catch exception.

The exception occurs sometimes, but I didn't know why.

Change SimpleSessionStorage, method encodeURL.

  
    public String encodeURL( String url ) {  
        if ( StringUtils.isEmpty( url ) || response == null ) return url;  
       //original code  
        //return response.encodeURL( url );  
		//resolver toAbsolute error  
		//coyote problem.  
		try{  
			if (response != null)  
			{  
				String enc = response.encodeURL(url);  
				if (!url.equals(enc))  
				{  
					System.out.println("Diferença entre URL e Encoded");  
					System.out.println("URL: "+url);  
					System.out.println("ENC: "+enc);  
					System.out.println("-----------------------------");  
				}  
			}else{  
				System.out.println("response null");  
			}  
		}catch(Exception ex){  
			//System.out.println("Exception in SimpleSessionStorage: "+ex.getMessage());  
		}  
		return url;  
    }  

Now, the error didn't occurs in system, but appears in log.
_________________
Matheus Trevizan

Dynamix Software Ltda.
Blumenau SC Brasil
www.dynamix.com.br
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lixiang

Posts: 2
Posted: 04/04/2007, 4:50 AM

Thanks, Matheus !
I have just tried CCS 3.0, the same error occurs again. Does Anyone know the side effect of this error
Quote :
2007-03-30 10:08:58 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception
? thanks in advance!

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eserver220

Posts: 41
Posted: 04/04/2007, 7:14 PM

Perhaps your application only works with tomcat4, Look at this:
http://forums.codecharge.com/posts.php?post_id=46011
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monty241070

Posts: 4
Posted: 04/25/2007, 2:31 PM

I'm having the same problem since upgrading to Tomcat 5.5.30 and CodeCharge 3.0/3.1. It occurs approximately every 100 screen refreshes. No clear source. Reloading the screen solves It has been happening for several months now.
_________________
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Guido Leenders
Invantive BV
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