RE: How can you get OGNL to go faster?
Having looked into this it appears to be due to the fact that I was in DEV
Mode; when running normally it is fine.
Why does DEV Mode affect the rendering speed? Is it just the logging?
From: Matthew Seaborn
Sent: 14 February 2009 16:12
To: Struts Users Mailing List
Subject: How can you get OGNL to go faster?
I am currently running Struts 2.0.11 (planning to upgrade soon) with OGNL
2.6.11 and am having significant trouble with the appalling performance of OGNL.
The following XML using Struts 2 Tags and ORNL takes (using the s2 profiling)
2328ms to render
%@ page contentType=text/xml %%--
--%%@ taglib prefix=s uri=/struts-tags %%--
--%%@ taglib uri=http://java.sun.com/jsp/jstl/core; prefix=c %%--
--%?xml version=1.0 ?
response
entities
s:iterator value=entities id=entity
entity %--
--%id=s:property value=id/ %--
--%name=s:property value=name/ %--
--%externalId=s:property value=externalId/ %--
--%color=s:property value=renderColor/ %--
--%image=s:property value=image.path/ %--
--%includeInKey=s:property value=includeInKey/ %--
--%orderRank=s:property value=orderRank/ %--
--% /
/s:iterator
/entities
/response
The exact same functionality, using JSTL tags and EL, takes 15ms
%@ page contentType=text/xml %%--
--%%@ taglib prefix=s uri=/struts-tags %%--
--%%@ taglib uri=http://java.sun.com/jsp/jstl/core; prefix=c %%--
--%?xml version=1.0 ?
response
entities
c:forEach items=${entities} var=entity
entity %--
--%id=c:out value=${entity.id}/ %--
--%name=c:out value=${entity.name}/ %--
--%externalId=c:out value=${entity.externalId}/ %--
--%color=c:out value=${entity.renderColor}/ %--
--%image=c:out value=${entity.image.path}/ %--
--%includeInKey=c:out value=${entity.includeInKey}/
%--
--%orderRank=c:out value=${entity.orderRank}/ %--
--% /
/c:forEach
/entities
/response
In this case the S2/OGNL is 150x (!) slower than the standard approach.
Now clearly in this case I can simply use the JSTL/EL approach to get decent
performance, but when using S2's Freemarker based tags I don't get that option.
Is this really as fast as OGNL can go, or there some optimisation/option I am
missing?
Does anyone know how much faster is OGNL 2.7 supposed to be?
Matthew Seaborn
Software Architect
t+44(0) 208 484 0729
m +44(0) 7949 465 142
e matthew.seab...@performgroup.commailto:%3cyourname...@performgroup.com
[cid:image001.jpg@01C98EBB.797B1DB0]http://www.performgroup.com/
Sussex House
Plane Tree Crescent
London, TW13 7HE
United Kingdom
www.performgroup.comhttp://www.performgroup.com/
[cid:image002.gif@01C98EBB.797B1DB0] http://www.omnisport.tv/
[cid:image003.gif@01C98EBB.797B1DB0] http://www.watchandbet.tv/
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How can you get OGNL to go faster?
I am currently running Struts 2.0.11 (planning to upgrade soon) with OGNL
2.6.11 and am having significant trouble with the appalling performance of OGNL.
The following XML using Struts 2 Tags and ORNL takes (using the s2 profiling)
2328ms to render
%@ page contentType=text/xml %%--
--%%@ taglib prefix=s uri=/struts-tags %%--
--%%@ taglib uri=http://java.sun.com/jsp/jstl/core; prefix=c %%--
--%?xml version=1.0 ?
response
entities
s:iterator value=entities id=entity
entity %--
--%id=s:property value=id/ %--
--%name=s:property value=name/ %--
--%externalId=s:property value=externalId/ %--
--%color=s:property value=renderColor/ %--
--%image=s:property value=image.path/ %--
--%includeInKey=s:property value=includeInKey/ %--
--%orderRank=s:property value=orderRank/ %--
--% /
/s:iterator
/entities
/response
The exact same functionality, using JSTL tags and EL, takes 15ms
%@ page contentType=text/xml %%--
--%%@ taglib prefix=s uri=/struts-tags %%--
--%%@ taglib uri=http://java.sun.com/jsp/jstl/core; prefix=c %%--
--%?xml version=1.0 ?
response
entities
c:forEach items=${entities} var=entity
entity %--
--%id=c:out value=${entity.id}/ %--
--%name=c:out value=${entity.name}/ %--
--%externalId=c:out value=${entity.externalId}/ %--
--%color=c:out value=${entity.renderColor}/ %--
--%image=c:out value=${entity.image.path}/ %--
--%includeInKey=c:out value=${entity.includeInKey}/
%--
--%orderRank=c:out value=${entity.orderRank}/ %--
--% /
/c:forEach
/entities
/response
In this case the S2/OGNL is 150x (!) slower than the standard approach.
Now clearly in this case I can simply use the JSTL/EL approach to get decent
performance, but when using S2's Freemarker based tags I don't get that option.
Is this really as fast as OGNL can go, or there some optimisation/option I am
missing?
Does anyone know how much faster is OGNL 2.7 supposed to be?
Matthew Seaborn
Software Architect
t+44(0) 208 484 0729
m +44(0) 7949 465 142
e matthew.seab...@performgroup.commailto:%3cyourname...@performgroup.com
[cid:image001.jpg@01C98EBB.797B1DB0]http://www.performgroup.com/
Sussex House
Plane Tree Crescent
London, TW13 7HE
United Kingdom
www.performgroup.comhttp://www.performgroup.com/
[cid:image002.gif@01C98EBB.797B1DB0] http://www.omnisport.tv/
[cid:image003.gif@01C98EBB.797B1DB0] http://www.watchandbet.tv/
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Embedded Maps as arguments
As I have grid of checkboxes I am currently trying to use embedded maps as
arguments in Struts 2, for example using
@CreateIfNull( value = true )
@Element( value = HashMap.class )
public MapInteger, MapInteger, Boolean getTestMap() {
return testMap;
}
Using
/testAction.action?testMap[1][2]=true
Although it places the value in the right place, it is always
ognl.noConversionPossible
This has been discussed here
(http://www.nabble.com/struts2-map-of-maps-td18882730.html ) but with no
resolution.
Has anyone one this successfully?
Matthew Seaborn
Software Architect
t+44(0) 208 484 0729
m +44(0) 7949 465 142
e matthew.seab...@performgroup.commailto:%3cyourname...@performgroup.com
[cid:image001.jpg@01C97FDD.15D48900]http://www.performgroup.com/
Sussex House
Plane Tree Crescent
London, TW13 7HE
United Kingdom
www.performgroup.comhttp://www.performgroup.com/
[cid:image002.gif@01C97FDD.15D48900] http://www.omnisport.tv/
[cid:image003.gif@01C97FDD.15D48900] http://www.watchandbet.tv/
CONFIDENTIALITY - This email and any files transmitted with it, are
confidential, may be legally privileged and are intended solely for the use of
the individual or entity to whom they are addressed. If this has come to you in
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COPYRIGHT - Copyright of this email and any attachments belongs to Perform
Group, Companies House Registration number 6324278.
Struts 2 Performance
What's the latest news on the Struts 2 rendering performance issues? A browse through the issue log suggests that despite a number of releases it still hasn't been resolved. https://issues.apache.org/struts/browse/WW-2128 https://issues.apache.org/struts/browse/WW-2808 The proposed solution appears to be an upgrade to OGNL 2.7 but this doesn't appear to be planned until v2.5.xhttps://issues.apache.org/struts/browse/WW-2128?focusedCommentId=44204#action_44204. Matthew Seaborn Software Architect t+44(0) 208 484 0729 m +44(0) 7949 465 142 e matthew.seab...@performgroup.commailto:%3cyourname...@performgroup.com [cid:image001.jpg@01C97E29.18C8C6E0]http://www.performgroup.com/ Sussex House Plane Tree Crescent London, TW13 7HE United Kingdom www.performgroup.comhttp://www.performgroup.com/ [cid:image002.gif@01C97E29.18C8C6E0] http://www.omnisport.tv/ [cid:image003.gif@01C97E29.18C8C6E0] http://www.watchandbet.tv/ CONFIDENTIALITY - This email and any files transmitted with it, are confidential, may be legally privileged and are intended solely for the use of the individual or entity to whom they are addressed. If this has come to you in error, you must not copy, distribute, disclose or use any of the information it contains. Please notify the sender immediately and delete them from your system. SECURITY - Please be aware that communication by email, by its very nature, is not 100% secure and by communicating with Perform Group by email you consent to us monitoring and reading any such correspondence. VIRUSES - Although this email message has been scanned for the presence of computer viruses, the sender accepts no liability for any damage sustained as a result of a computer virus and it is the recipients responsibility to ensure that email is virus free. AUTHORITY - Any views or opinions expressed in this email are solely those of the sender and do not necessarily represent those of Perform Group. COPYRIGHT - Copyright of this email and any attachments belongs to Perform Group, Companies House Registration number 6324278.
Upgrading Struts 2
We are currently running 2.0.11 and having been away from Struts 2 for a while I was pleased to a see a number of new releases. Has anyone done an upgrade to either 2.0.14 or 2.1.6 from a 2.0.x release? If so how smooth was the transition? Matthew Seaborn Software Architect t+44(0) 208 484 0729 m +44(0) 7949 465 142 e matthew.seab...@performgroup.commailto:%3cyourname...@performgroup.com [cid:image001.jpg@01C97E29.94BE05D0]http://www.performgroup.com/ Sussex House Plane Tree Crescent London, TW13 7HE United Kingdom www.performgroup.comhttp://www.performgroup.com/ [cid:image002.gif@01C97E29.94BE05D0] http://www.omnisport.tv/ [cid:image003.gif@01C97E29.94BE05D0] http://www.watchandbet.tv/ CONFIDENTIALITY - This email and any files transmitted with it, are confidential, may be legally privileged and are intended solely for the use of the individual or entity to whom they are addressed. If this has come to you in error, you must not copy, distribute, disclose or use any of the information it contains. Please notify the sender immediately and delete them from your system. SECURITY - Please be aware that communication by email, by its very nature, is not 100% secure and by communicating with Perform Group by email you consent to us monitoring and reading any such correspondence. VIRUSES - Although this email message has been scanned for the presence of computer viruses, the sender accepts no liability for any damage sustained as a result of a computer virus and it is the recipients responsibility to ensure that email is virus free. AUTHORITY - Any views or opinions expressed in this email are solely those of the sender and do not necessarily represent those of Perform Group. COPYRIGHT - Copyright of this email and any attachments belongs to Perform Group, Companies House Registration number 6324278.
RE: Struts 2 Performance
We are currently running on 2.0.11, have there been any performance improvements in subsequent releases? From: Matthew Seaborn Sent: 24 January 2009 13:39 To: Struts Users Mailing List Subject: Struts 2 Performance What's the latest news on the Struts 2 rendering performance issues? A browse through the issue log suggests that despite a number of releases it still hasn't been resolved. https://issues.apache.org/struts/browse/WW-2128 https://issues.apache.org/struts/browse/WW-2808 The proposed solution appears to be an upgrade to OGNL 2.7 but this doesn't appear to be planned until v2.5.xhttps://issues.apache.org/struts/browse/WW-2128?focusedCommentId=44204#action_44204. Matthew Seaborn Software Architect t+44(0) 208 484 0729 m +44(0) 7949 465 142 e matthew.seab...@performgroup.commailto:%3cyourname...@performgroup.com [cid:image001.jpg@01C97E2A.080A2AA0]http://www.performgroup.com/ Sussex House Plane Tree Crescent London, TW13 7HE United Kingdom www.performgroup.comhttp://www.performgroup.com/ [cid:image002.gif@01C97E2A.080A2AA0] http://www.omnisport.tv/ [cid:image003.gif@01C97E2A.080A2AA0] http://www.watchandbet.tv/ CONFIDENTIALITY - This email and any files transmitted with it, are confidential, may be legally privileged and are intended solely for the use of the individual or entity to whom they are addressed. If this has come to you in error, you must not copy, distribute, disclose or use any of the information it contains. Please notify the sender immediately and delete them from your system. SECURITY - Please be aware that communication by email, by its very nature, is not 100% secure and by communicating with Perform Group by email you consent to us monitoring and reading any such correspondence. VIRUSES - Although this email message has been scanned for the presence of computer viruses, the sender accepts no liability for any damage sustained as a result of a computer virus and it is the recipients responsibility to ensure that email is virus free. AUTHORITY - Any views or opinions expressed in this email are solely those of the sender and do not necessarily represent those of Perform Group. COPYRIGHT - Copyright of this email and any attachments belongs to Perform Group, Companies House Registration number 6324278.
RE: Include menu action with sitemesh
Found the solution: http://struts.apache.org/2.x/docs/action.html
-Original Message-
From: Matthew Seaborn
Sent: 08 September 2008 17:12
To: Struts Users Mailing List
Subject: RE: Include menu action with sitemesh
Whenever I try to us s:include or jsp:include to access a Struts 2 action from
within the SiteMesh decorator I get
The requested resource (Relative URL) is not available.
Surely this should be possible.
-Original Message-
From: David Loup
Sent: 02 September 2008 12:55
To: Struts Users Mailing List
Subject: RE: Include menu action with sitemesh
Hi Wes,
Thanks for your reply.
Am using Struts 2.0.11, so I tried:
s:url id=menuUrl namespace=/menu action=menu/
s:div id=menuDiv href=%{menuUrl} /
Since I think sx tags only work with the Dojo plugin in Struts 2.1.
However, I'm not getting any error (Java or JS), but the DIV remains
desperately empty.
Any idea?
-Original Message-
From: Wes Wannemacher [mailto:[EMAIL PROTECTED]
Sent: 02 September 2008 02:21
To: Struts Users Mailing List
Subject: Re: Include menu action with sitemesh
David,
I use S2 tags all the time in my sitemesh decorators. When I first did
it, I hadn't put much thought into it (maybe the filter won't be
available to sitemesh, the action is the decorated page, not the
decorator, etc.), I just did it and it worked. It wasn't until later
that I thought maybe it wasn't right. However, it worked fine and I have
been happily doing it since. Rather than -
div id=menuDiv
s:action name=menu /
/div
Why not use the sx:div / tag?
http://struts.apache.org/2.x/docs/ajax-div-template.html
Just be careful that the menu action does not get decorated by Sitemesh,
otherwise the result can be pretty bizarre :)
-Wes
On Mon, 2008-09-01 at 10:50 +0100, David Loup wrote:
Hi there,
I'm using sitemesh with struts 2 and am currently applying a decorator to all
my actions, including a static menu in a div.
So something like
div id=menuDiv
ul
limenuitem 1 /li
limenuitem 2 /li
limenuitem 3 /li
/ul
/div
div id=mainContent
decorator:body /
/div
What I want to do is make that menu build dynamically to have, in spirit:
div id=menuDiv
s :action name=menu/
/div
div id=mainContent
decorator:body /
/div
I have my menu action, which works, to display menu content in a separate
JSP. How can I include that action's execution in my decorator to get the
desired effect ?
Thanks
D
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RE: Include menu action with sitemesh
Whenever I try to us s:include or jsp:include to access a Struts 2 action from
within the SiteMesh decorator I get
The requested resource (Relative URL) is not available.
Surely this should be possible.
-Original Message-
From: David Loup
Sent: 02 September 2008 12:55
To: Struts Users Mailing List
Subject: RE: Include menu action with sitemesh
Hi Wes,
Thanks for your reply.
Am using Struts 2.0.11, so I tried:
s:url id=menuUrl namespace=/menu action=menu/
s:div id=menuDiv href=%{menuUrl} /
Since I think sx tags only work with the Dojo plugin in Struts 2.1.
However, I'm not getting any error (Java or JS), but the DIV remains
desperately empty.
Any idea?
-Original Message-
From: Wes Wannemacher [mailto:[EMAIL PROTECTED]
Sent: 02 September 2008 02:21
To: Struts Users Mailing List
Subject: Re: Include menu action with sitemesh
David,
I use S2 tags all the time in my sitemesh decorators. When I first did
it, I hadn't put much thought into it (maybe the filter won't be
available to sitemesh, the action is the decorated page, not the
decorator, etc.), I just did it and it worked. It wasn't until later
that I thought maybe it wasn't right. However, it worked fine and I have
been happily doing it since. Rather than -
div id=menuDiv
s:action name=menu /
/div
Why not use the sx:div / tag?
http://struts.apache.org/2.x/docs/ajax-div-template.html
Just be careful that the menu action does not get decorated by Sitemesh,
otherwise the result can be pretty bizarre :)
-Wes
On Mon, 2008-09-01 at 10:50 +0100, David Loup wrote:
Hi there,
I'm using sitemesh with struts 2 and am currently applying a decorator to all
my actions, including a static menu in a div.
So something like
div id=menuDiv
ul
limenuitem 1 /li
limenuitem 2 /li
limenuitem 3 /li
/ul
/div
div id=mainContent
decorator:body /
/div
What I want to do is make that menu build dynamically to have, in spirit:
div id=menuDiv
s :action name=menu/
/div
div id=mainContent
decorator:body /
/div
I have my menu action, which works, to display menu content in a separate
JSP. How can I include that action's execution in my decorator to get the
desired effect ?
Thanks
D
CONFIDENTIALITY - This email and any files transmitted with it, are
confidential, may be legally privileged and are intended solely for the use
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CONFIDENTIALITY - This email and any files transmitted with it, are
confidential,
RE: Struts 2 - Where does all the CPU go
Where are certainly a number of calls through to OGNL within the Freemarker code, so it could still be that. Unfortunately, I have already constant name=struts.freemarker.templatesCache value=true / in my struts.xml I don't see the WARNings you mention in my logs. -Original Message- From: Jeromy Evans [mailto:[EMAIL PROTECTED] Sent: 27 April 2008 04:54 To: Struts Users Mailing List Subject: Re: Struts 2 - Where does all the CPU go Hi Matthew, I'm surprised that you can contribute more to FreeMarker than to than Ognl. Perhaps FreeMarker is still masking the underlying problem as the templates predominately call into the model setup by Struts and most of that model is prepared via OGNL expressions. OGNL does cache expressions though and you would be reusing many of them. Turn on freemarker template caching. This is a cache within struts2, rather than FreeMarker's own cache, that reuses the Template object keyed by name rather than going to the template loader. in struts.properties: struts.freemarker.templatesCache=true 1.5 seconds within the template rendering is still huge though, even with freemarker caching turned off. One of the templates must be calling *something* slow in the struts 2 model. I've always suspected that the guys below were eating up my cycles. 2008-04-27 13:26:58,413 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [org.apache.tiles.AttributeContext.STACK] 2008-04-27 13:26:58,414 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [org.apache.tiles.AttributeContext.STACK] 2008-04-27 13:26:58,414 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [org.apache.catalina.jsp_file] 2008-04-27 13:26:58,851 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [templateDir] 2008-04-27 13:26:58,852 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [templateDir] 2008-04-27 13:26:58,852 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [theme] 2008-04-27 13:26:58,853 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [theme] 2008-04-27 13:26:58,854 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [templateDir] 2008-04-27 13:26:58,854 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [templateDir] 2008-04-27 13:26:58,869 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [theme] 2008-04-27 13:26:58,870 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [theme] 2008-04-27 13:26:58,878 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [.freemarker.Request] 2008-04-27 13:26:58,878 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [.freemarker.RequestParameters] 2008-04-27 13:26:58,880 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [commands] 2008-04-27 13:26:59,036 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [property] 2008-04-27 13:26:59,044 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [property] 2008-04-27 13:26:59,074 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [templateDir] 2008-04-27 13:26:59,074 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [templateDir] 2008-04-27 13:26:59,074 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [theme] 2008-04-27 13:26:59,074 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [theme] 2008-04-27 13:26:59,076 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [templateDir] 2008-04-27 13:26:59,077 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [templateDir] 2008-04-27 13:26:59,077 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [theme] 2008-04-27 13:26:59,077 WARN [http-8080-Processor24] [OgnlValueStack] Could not find property [theme] CONFIDENTIALITY - This email and any files transmitted with it, are confidential, may be legally privileged and are intended solely for the use of the individual or entity to whom they are addressed. If this has come to you in error, you must not copy, distribute, disclose or use any of the information it contains. Please notify the sender immediately and delete them from your system. SECURITY - Please be aware that communication by email, by its very nature, is not 100% secure and by communicating with Perform Group by email you consent to us monitoring and reading any such correspondence. VIRUSES - Although this email message has been scanned for the presence of computer viruses, the sender accepts no liability for any damage sustained as a result of a computer virus and it is the recipients responsibility to ensure that email is virus free. AUTHORITY - Any views or opinions expressed in this email are solely those of the
Struts 2.1
I heard that Struts 2.2 is going to eliminate the dependency on OGNL, this so?. There is a JIRA Issue suggesting an upgrade to OGNL 2.7https://issues.apache.org/struts/browse/WW-2128 (WW-2128) , does anyone know if this will happen? Does anyone know the planned release date for 2.1? Matthew Seaborn Software Architect t+44(0) 208 484 0729 m +44(0) 7949 465 142 e [EMAIL PROTECTED]mailto:[EMAIL PROTECTED] [cid:image001.jpg@01C8A7A0.56F4D130] Sussex House Plane Tree Crescent Feltham, Middlesex, TW13 7HE United Kingdom http://www.performgroup.com/ CONFIDENTIALITY - This email and any files transmitted with it, are confidential, may be legally privileged and are intended solely for the use of the individual or entity to whom they are addressed. If this has come to you in error, you must not copy, distribute, disclose or use any of the information it contains. Please notify the sender immediately and delete them from your system. SECURITY - Please be aware that communication by email, by its very nature, is not 100% secure and by communicating with Perform Group by email you consent to us monitoring and reading any such correspondence. VIRUSES - Although this email message has been scanned for the presence of computer viruses, the sender accepts no liability for any damage sustained as a result of a computer virus and it is the recipients responsibility to ensure that email is virus free. AUTHORITY - Any views or opinions expressed in this email are solely those of the sender and do not necessarily represent those of Perform Group. COPYRIGHT - Copyright of this email and any attachments belongs to Perform Group, Companies House Registration number 6324278.
RE: OGNL/Freemarker Performance
In answer (in part) to my own question: * By removing the validate=true from my form tag cut over two seconds from the page render time. I loose the client side validation, but it is worth it. * By changing the head tag's theme from ajax to xhtml cut down on a large number of javascript files being downloaded which spread up the page load by a couple of seconds again, although it had little effect on the page render time. It is now much faster, if not exactly 'snappy'. Anyone got any other good optimisations tips? From: Matthew Seaborn Sent: 25 April 2008 16:36 To: 'Struts Users Mailing List' Subject: OGNL/Freemarker Performance I have been doing some profiling on my Struts 2 applications (also using SiteMesh and Spring) and have found, like many others, that most of the request/response time is taken rendering of the JSP page (assuming I am reading the profile correctly). What exactly is the guilty party here, OGNL or Freemarker? I have made all of the optimisations detailed in http://struts.apache.org/2.x/docs/performance-tuning.html yet I still get profiles like the one below. Has anyone any other suggestions on how to improve this? INFO: [4224ms] - ActionContextCleanUp_doFilter: [4100ms] - FilterDispatcher_doFilter: [4100ms] - Handling request from Dispatcher [16ms] - create DefaultActionProxy: [16ms] - create DefaultActionInvocation: [16ms] - actionCreate: viewRight [4084ms] - invoke: ... [0ms] - invokeAction: viewRight [4037ms] - executeResult: input Matthew Seaborn Software Architect t+44(0) 208 484 0729 m +44(0) 7949 465 142 e [EMAIL PROTECTED]mailto:[EMAIL PROTECTED] [cid:image001.jpg@01C8A79E.DAD82990] Sussex House Plane Tree Crescent Feltham, Middlesex, TW13 7HE United Kingdom http://www.performgroup.com/ CONFIDENTIALITY - This email and any files transmitted with it, are confidential, may be legally privileged and are intended solely for the use of the individual or entity to whom they are addressed. If this has come to you in error, you must not copy, distribute, disclose or use any of the information it contains. Please notify the sender immediately and delete them from your system. SECURITY - Please be aware that communication by email, by its very nature, is not 100% secure and by communicating with Perform Group by email you consent to us monitoring and reading any such correspondence. VIRUSES - Although this email message has been scanned for the presence of computer viruses, the sender accepts no liability for any damage sustained as a result of a computer virus and it is the recipients responsibility to ensure that email is virus free. AUTHORITY - Any views or opinions expressed in this email are solely those of the sender and do not necessarily represent those of Perform Group. COPYRIGHT - Copyright of this email and any attachments belongs to Perform Group, Companies House Registration number 6324278.
RE: OGNL/Freemarker Performance
When the page is being rendered, all of the database loading has already been done and stored as DTOs (extracted from the in the action. The database hit only took a few ms and is called in an Interceptor. So the time shown is purely the cost of rendering. The page is a form with about 50 struts tags in. -Original Message- From: Jeromy Evans [mailto:[EMAIL PROTECTED] Sent: 26 April 2008 08:17 To: Struts Users Mailing List Subject: Re: OGNL/Freemarker Performance That's a lot of milliseconds. For those sorts of numbers, I'd guess you're using an open-session-in-view interceptor/filter and your result is causing a select n+1 iteration (loads of sql selects while rendering the view). Few other things are so slow. If you happen to be using Hibernate or other persistence, turn on display of sql. Otherwise, what was the result type, what's the nature of the result (eg. a form with many struts tags)? CONFIDENTIALITY - This email and any files transmitted with it, are confidential, may be legally privileged and are intended solely for the use of the individual or entity to whom they are addressed. If this has come to you in error, you must not copy, distribute, disclose or use any of the information it contains. Please notify the sender immediately and delete them from your system. SECURITY - Please be aware that communication by email, by its very nature, is not 100% secure and by communicating with Perform Group by email you consent to us monitoring and reading any such correspondence. VIRUSES - Although this email message has been scanned for the presence of computer viruses, the sender accepts no liability for any damage sustained as a result of a computer virus and it is the recipients responsibility to ensure that email is virus free. AUTHORITY - Any views or opinions expressed in this email are solely those of the sender and do not necessarily represent those of Perform Group. COPYRIGHT - Copyright of this email and any attachments belongs to Perform Group, Companies House Registration number 6324278. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Struts 2 - Where does all the CPU go
In an attempt to find out where all the CPU cycles go I ran JProfiler against a request for a Struts 2 page containing a form with around 40 tags running under Tomcat 5.5, using SiteMesh for styling. The details are below, but FreeMarker seems to be the primary guilty party. Does anyone know how to get it to go faster, I already have the freemarker.properties file in WEB-INF/classes. For those that are interested, the details. Around 7% went to Tomcat and 4% to SiteMesh. 100.0% - 2,215 ms - 1 inv. org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run 99.5% - 2,205 ms - 8 inv. ptv.http.HttpRequestInitialiserFilter.doFilter 99.5% - 2,205 ms - 8 inv. ptv.http.HttpRequestInitialiserFilter.doFilter 94.0% - 2,082 ms - 8 inv. javax.servlet.FilterChain.doFilter 94.0% - 2,081 ms - 8 inv. com.opensymphony.module.sitemesh.filter.PageFilter.doFilter 92.6% - 2,051 ms - 3 inv. com.opensymphony.module.sitemesh.filter.PageFilter.parsePage 90.3% - 1,999 ms - 3 inv. javax.servlet.FilterChain.doFilter 88.9% - 1,969 ms - 3 inv. com.opensymphony.xwork2.DefaultActionInvocation.invoke Then about 4% went to the Struts 2 Interceptor stack. Of the remaining 85%, OGNL took about 15% (I estimate, all in) but the vast majority went to Freemarker; 67% consumed to render the tags. 84.8% 1,878 ms - 1 inv. /pages/vdp/rights/viewRight.jsp [org.apache.jsp.pages.vdp.rights.viewRight_jsp] 67.2% - 1,488 ms - 23 inv. freemarker.template.Template.process 7.7% - 171 ms - 95 inv. com.opensymphony.xwork2.util.OgnlValueStack.findValue(java.lang.String) 4.2% - 94,134 µs - 108 inv. com.opensymphony.xwork2.util.TextParseUtil.translateVariables 2.0% - 45,152 µs - 65 inv. com.opensymphony.xwork2.util.OgnlValueStack.findValue(java.lang.String, java.lang.Class) 0.8% - 17,987 µs - 92 inv. com.opensymphony.xwork2.inject.ContainerImpl.inject 0.3% - 6,119 µs - 63 inv. com.opensymphony.xwork2.util.TextUtils.htmlEncode 0.2% - 4,390 µs - 23 inv. freemarker.template.SimpleHash.putAll 0.2% - 3,542 µs - 384 inv. ognl.OgnlContext.get I could find no particularly guilty party in FreeMarker, it just seemed to whittle the CPU away. Some of it went to OGNL, but not much. 67.0% - 1,485 ms - 23 inv. freemarker.core.Environment.process 66.9% - 1,482 ms - 23 inv. freemarker.core.Environment.visit 66.9% - 1,482 ms - 23 inv. freemarker.core.MixedContent.accept 66.9% - 1,481 ms - 108 inv. freemarker.core.Environment.visit 62.0% - 1,374 ms - 59 inv. freemarker.core.Include.accept 57.8% - 1,280 ms - 59 inv. freemarker.core.Environment.include 57.7% - 1,277 ms - 59 inv. freemarker.core.Environment.visit 57.6% - 1,276 ms - 59 inv. freemarker.core.MixedContent.accept 57.4% - 1,271 ms - 504 inv. freemarker.core.Environment.visit 23.7% - 525 ms - 49 inv. freemarker.core.Include.accept 16.0% - 353 ms - 4 inv. freemarker.core.UnifiedCall.accept 13.8% - 306 ms - 192 inv. freemarker.core.ConditionalBlock.accept 1.7% - 37,064 µs - 40 inv. freemarker.core.DollarVariable.accept 1.6% - 35,617 µs - 2 inv. freemarker.core.IfBlock.accept 0.2% - 4,826 µs - 504 inv. freemarker.core.Environment.popElement 0.1% - 2,696 µs - 504 inv. freemarker.core.Environment.pushElement 0.1% - 1,513 µs - 155 inv. freemarker.core.TextBlock.accept 0.0% - 108 µs - 61 inv. freemarker.core.Comment.accept 0.0% - 36 µs - 1 inv. freemarker.core.PropertySetting.accept Matthew Seaborn Software Architect t+44(0) 208 484 0729 m +44(0) 7949 465 142 e [EMAIL PROTECTED]mailto:[EMAIL PROTECTED] [cid:image002.jpg@01C8A7AE.E9905EC0] Sussex House Plane Tree Crescent Feltham, Middlesex, TW13 7HE United Kingdom http://www.performgroup.com/ CONFIDENTIALITY - This email and any files transmitted with it, are confidential, may be legally privileged and are intended solely for the use of the individual or entity to whom they are addressed. If this has come to you in error, you must not copy, distribute, disclose or use any of the information it contains. Please notify the sender immediately and delete them from your system. SECURITY - Please be aware that communication by email, by its very nature, is not 100% secure and by communicating with Perform Group by email you consent to us monitoring and reading any such correspondence. VIRUSES - Although this email message has been scanned for the presence of computer viruses, the sender accepts no liability for any damage sustained as a result of a computer virus and it is the recipients responsibility to ensure that email is virus free. AUTHORITY - Any views or opinions expressed in this email are solely those of the sender and do not necessarily represent those of Perform Group. COPYRIGHT - Copyright of this email and any attachments belongs to Perform Group, Companies House
OGNL/Freemarker Performance
I have been doing some profiling on my Struts 2 applications (also using SiteMesh and Spring) and have found, like many others, that most of the request/response time is taken rendering of the JSP page (assuming I am reading the profile correctly). What exactly is the guilty party here, OGNL or Freemarker? I have made all of the optimisations detailed in http://struts.apache.org/2.x/docs/performance-tuning.html yet I still get profiles like the one below. Has anyone any other suggestions on how to improve this? INFO: [4224ms] - ActionContextCleanUp_doFilter: [4100ms] - FilterDispatcher_doFilter: [4100ms] - Handling request from Dispatcher [16ms] - create DefaultActionProxy: [16ms] - create DefaultActionInvocation: [16ms] - actionCreate: viewRight [4084ms] - invoke: ... [0ms] - invokeAction: viewRight [4037ms] - executeResult: input Matthew Seaborn Software Architect t+44(0) 208 484 0729 m +44(0) 7949 465 142 e [EMAIL PROTECTED]mailto:[EMAIL PROTECTED] [cid:image002.jpg@01C8A6F2.4AA14AC0] Sussex House Plane Tree Crescent Feltham, Middlesex, TW13 7HE United Kingdom http://www.performgroup.com/ CONFIDENTIALITY - This email and any files transmitted with it, are confidential, may be legally privileged and are intended solely for the use of the individual or entity to whom they are addressed. If this has come to you in error, you must not copy, distribute, disclose or use any of the information it contains. Please notify the sender immediately and delete them from your system. SECURITY - Please be aware that communication by email, by its very nature, is not 100% secure and by communicating with Perform Group by email you consent to us monitoring and reading any such correspondence. VIRUSES - Although this email message has been scanned for the presence of computer viruses, the sender accepts no liability for any damage sustained as a result of a computer virus and it is the recipients responsibility to ensure that email is virus free. AUTHORITY - Any views or opinions expressed in this email are solely those of the sender and do not necessarily represent those of Perform Group. COPYRIGHT - Copyright of this email and any attachments belongs to Perform Group, Companies House Registration number 6324278.
RE: Struts2, SiteMesh and Struts Menu
Discovered it was a simple case of user (i.e. my) error. The actual problem was The displayer mapping for the specified MenuDisplayer does not exist. which was causing the JSP to not be rendered and thus resulting in SiteMesh to report the error I detailed previusly. -Original Message- From: Al Sutton [mailto:[EMAIL PROTECTED] Sent: 10 April 2008 16:42 To: Struts Users Mailing List Subject: Re: Struts2, SiteMesh and Struts Menu I'm using the combination you mention without any problems. Check the order you're using the servlet filters in, mine is; filter filter-namestruts-cleanup/filter-name filter-classorg.apache.struts2.dispatcher.ActionContextCleanUp/filter-class/filterfilter filter-namesitemesh/filter-name filter-classcom.opensymphony.module.sitemesh.filter.PageFilter/filter-class/filterfilter filter-namestruts/filter-name filter-classorg.apache.struts2.dispatcher.FilterDispatcher/filter-class/filterfilter filter-namestruts-cleanup/filter-name url-pattern/*/url-pattern/filter-mappingfilter-mapping filter-namesitemesh/filter-name url-pattern/*/url-pattern/filter-mappingfilter-mapping filter-namestruts/filter-name url-pattern/*/url-pattern/filter-mapping Other filters here .and for Struts Menu I use the listener; listener listener-classnet.sf.navigator.menu.MenuContextListener/listener-class /listenerHope this helps.Al.- Original Message -From: Matthew SeabornTo: 'Struts Users Mailing List'Sent: Thursday, April 10, 2008 3:00 PMSubject: Struts2, SiteMesh and Struts MenuHa s anyone had any experience of using these three together? I have Struts2 and SiteMesh working together happily, but soon as I add Struts Menu I getthe error below.I believe it is due to SiteMesh and not Struts 2 but am not sure on this.Has anyone seen this before?Thanks.javax.servlet.ServletException: Stream closed org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:515) org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:419) com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:119) com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:55) org.apache.struts2.dispatcher.ActionContextCleanUp.doFilter(ActionContextCleanUp.java:99)root causejava.io.IOException: Stream closed org.apache.jasper.runtime.JspWriterImpl.ensureOpen(JspWriterImpl.java:203) org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterIm pl.java:114) org.apache.jasper.runtime.JspWriterImpl.flush(JspWriterImpl.java:172) org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:954) org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:614) org.apache.struts2.dispatcher.ServletDispatcherResult.doExecute(ServletDispatcherResult.java:119) org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:178) com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:348) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:253) org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:50) org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:504) org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:419) com.opensymphony.modul e.sitemesh.filter.PageFilter.parsePage(PageFilter.java:119) com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:55) org.apache.struts2.dispatcher.ActionContextCleanUp.doFilter(ActionContextCleanUp.java:99)Matthew SeabornSoftware Architectt+44(0) 208 484 0729m +44(0) 7949 465 142e [EMAIL PROTECTED] HousePlane Tree CrescentFeltham, Middlesex, TW13 7HEUnited Kingdomhttp://www.performgroup.com/CONFIDENTIALITY - This email and any files transmitted with it, areconfidential, may be legally privileged and are intended solely for the useof the individual or entity to whom they are addressed. If this has come toyou in error, you must not copy, distribute, disclose or use any of theinformation it contains. Please notify the sender immediately and deletethem from your system.SECURITY - Please be aware that communication by email, by its very nature,is not 100% secure and by communicating with Perform Group by email youconsent to us monitoring and reading any such correspondence.VIRUSES - Although this email message has been scanned for the presence ofcomputer viruses, the sender accepts no liability for any damage sustainedas a result of a computer virus and it is the recipient's responsibility toensure that email is virus free.AUTHORITY - Any views or opinions expressed in
Struts2, SiteMesh and Struts Menu
Has anyone had any experience of using these three together? I have Struts 2 and SiteMesh working together happily, but soon as I add Struts Menu I get the error below. I believe it is due to SiteMesh and not Struts 2 but am not sure on this. Has anyone seen this before? Thanks. javax.servlet.ServletException: Stream closed org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:515) org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:419) com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:119) com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:55) org.apache.struts2.dispatcher.ActionContextCleanUp.doFilter(ActionContextCleanUp.java:99) root cause java.io.IOException: Stream closed org.apache.jasper.runtime.JspWriterImpl.ensureOpen(JspWriterImpl.java:203) org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:114) org.apache.jasper.runtime.JspWriterImpl.flush(JspWriterImpl.java:172) org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:954) org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:614) org.apache.struts2.dispatcher.ServletDispatcherResult.doExecute(ServletDispatcherResult.java:119) org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:178) com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:348) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:253) org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:50) org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:504) org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:419) com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:119) com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:55) org.apache.struts2.dispatcher.ActionContextCleanUp.doFilter(ActionContextCleanUp.java:99) Matthew Seaborn Software Architect t+44(0) 208 484 0729 m +44(0) 7949 465 142 e [EMAIL PROTECTED]mailto:[EMAIL PROTECTED] [cid:image001.jpg@01C89B1B.A3B79980] Sussex House Plane Tree Crescent Feltham, Middlesex, TW13 7HE United Kingdom http://www.performgroup.com/ CONFIDENTIALITY - This email and any files transmitted with it, are confidential, may be legally privileged and are intended solely for the use of the individual or entity to whom they are addressed. If this has come to you in error, you must not copy, distribute, disclose or use any of the information it contains. Please notify the sender immediately and delete them from your system. SECURITY - Please be aware that communication by email, by its very nature, is not 100% secure and by communicating with Perform Group by email you consent to us monitoring and reading any such correspondence. VIRUSES - Although this email message has been scanned for the presence of computer viruses, the sender accepts no liability for any damage sustained as a result of a computer virus and it is the recipients responsibility to ensure that email is virus free. AUTHORITY - Any views or opinions expressed in this email are solely those of the sender and do not necessarily represent those of Perform Group. COPYRIGHT - Copyright of this email and any attachments belongs to Perform Group, Companies House Registration number 6324278.
Struts constants
How can you get hold of the constants defined in the struts.xml? Matthew Seaborn Software Architect t+44(0) 208 484 0729 m +44(0) 7949 465 142 e [EMAIL PROTECTED]mailto:[EMAIL PROTECTED] [cid:image001.jpg@01C8903D.E0C3C3F0] Sussex House Plane Tree Crescent Feltham, Middlesex, TW13 7HE United Kingdom http://www.performgroup.com/ CONFIDENTIALITY - This email and any files transmitted with it, are confidential, may be legally privileged and are intended solely for the use of the individual or entity to whom they are addressed. If this has come to you in error, you must not copy, distribute, disclose or use any of the information it contains. Please notify the sender immediately and delete them from your system. SECURITY - Please be aware that communication by email, by its very nature, is not 100% secure and by communicating with Perform Group by email you consent to us monitoring and reading any such correspondence. VIRUSES - Although this email message has been scanned for the presence of computer viruses, the sender accepts no liability for any damage sustained as a result of a computer virus and it is the recipients responsibility to ensure that email is virus free. AUTHORITY - Any views or opinions expressed in this email are solely those of the sender and do not necessarily represent those of Perform Group. COPYRIGHT - Copyright of this email and any attachments belongs to Perform Group, Companies House Registration number 6324278.
Submitting in Struts 2 from outside the Form
Is there any documentation regarding how to submit a Struts 2 form using something other than the submit button whilst keeping all of the AJAX/Javascript validation etc. We are putting in drop down menus and would like to be able to do it from there via a Javascript call. Many thanks. Matthew Seaborn Software Architect t+44(0) 208 484 0729 m +44(0) 7949 465 142 e [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] Sussex House Plane Tree Crescent Feltham, Middlesex, TW13 7HE United Kingdom http://www.performgroup.com/ http://www.performgroup.com/ CONFIDENTIALITY - This email and any files transmitted with it, are confidential, may be legally privileged and are intended solely for the use of the individual or entity to whom they are addressed. If this has come to you in error, you must not copy, distribute, disclose or use any of the information it contains. Please notify the sender immediately and delete them from your system. SECURITY - Please be aware that communication by email, by its very nature, is not 100% secure and by communicating with Perform Group by email you consent to us monitoring and reading any such correspondence. VIRUSES - Although this email message has been scanned for the presence of computer viruses, the sender accepts no liability for any damage sustained as a result of a computer virus and it is the recipients responsibility to ensure that email is virus free. AUTHORITY - Any views or opinions expressed in this email are solely those of the sender and do not necessarily represent those of Perform Group. COPYRIGHT - Copyright of this email and any attachments belongs to Perform Group, Companies House Registration number 6324278.
RE: Submit, ajax, targets and action
Thanks for the advice.
How is this function supposed to be used, is it called from onclick in
the s:submit tag?
-Original Message-
From: Richard Sayre [mailto:[EMAIL PROTECTED]
Sent: 26 February 2008 18:42
To: Struts Users Mailing List
Subject: Re: Submit, ajax, targets and action
Sorry this posted too early... I updated the code so it submits the
form fields with the ajax request:
let me know if it helps.
Rich
function submitFunctionA() {
var kw = {
url:'s:url action=myAction/',
load:function(type, data, evt) {
//up to you what happens here
},
method: POST,
formNode: dojo.byId(myForm),
error: function(type, data, evt){
//error
}
};
dojo.io.bind(kw);
}
}
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RE: Submit, ajax, targets and action
Okay, got all this work; works fine. Cheers, Richard.
In the end it looked like
function submitFunctionA() {
preventCache: true,
load:function(type, data, evt) {
$(#formId).html(data) ;
},
method: POST,
formNode: dojo.byId(formId)
}
Note the use of jQuery in the load function; IE was being reluctant to
populate the innerHTML (apparently it does this with some HTML), jQuery
seemed to get round this.
Damned annoying the Struts 2 submit tag doesn't do it for us!
-Original Message-
From: Matthew Seaborn
Sent: 01 March 2008 15:31
To: 'Struts Users Mailing List'
Subject: RE: Submit, ajax, targets and action
Thanks for the advice.
How is this function supposed to be used, is it called from onclick in
the s:submit tag?
-Original Message-
From: Richard Sayre [mailto:[EMAIL PROTECTED]
Sent: 26 February 2008 18:42
To: Struts Users Mailing List
Subject: Re: Submit, ajax, targets and action
Sorry this posted too early... I updated the code so it submits the
form fields with the ajax request:
let me know if it helps.
Rich
function submitFunctionA() {
var kw = {
url:'s:url action=myAction/',
load:function(type, data, evt) {
//up to you what happens here
},
method: POST,
formNode: dojo.byId(myForm),
error: function(type, data, evt){
//error
}
};
dojo.io.bind(kw);
}
}
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RE: Submit, ajax, targets and action
This simply appears to make the click on the submit button perform an
unparameterised GET on the defined URL.
-Original Message-
From: Musachy Barroso [mailto:[EMAIL PROTECTED]
Sent: 26 February 2008 18:42
To: Struts Users Mailing List
Subject: Re: Submit, ajax, targets and action
Just set the href on each submit to the url that it needs to submit
to, and it should work.
regards
musachy
On Tue, Feb 26, 2008 at 1:39 PM, Richard Sayre [EMAIL PROTECTED]
wrote:
If I understand you correctly, You could write you own submit
function(s) that does its own ajax with dojo
function submitFunctionA() {
var kw = {
url:'s:url action=myAction/',
load:function(type, data, evt) {
//up to you what happens here
},
method: POST,
error: function(type, data, evt){
//error
}
};
dojo.io.bind(kw);
}
}
So you could have each of your submit buttons call their own function
and forget about the form
On Tue, Feb 26, 2008 at 2:59 PM, Matthew Seaborn
[EMAIL PROTECTED] wrote:
I have a form which contains a number of different submit buttons,
each
using the action attribute on the submit tag to control which
action this
called, this work fine.
I want this form to load dynamically into a DIV on another page and
then
using the AJAX theme and targets attributes on the submit tag such
that the
form updates and remains in the DIV, this also works.
However, the action attribute does not appear to work with the AJAX
theme;
the called action is the form defined one. Is this deliberate or a
bug?
Does anyone know a good workaround?
Many thanks.
Matthew Seaborn
Software Architect
t+44(0) 208 484 0729
m +44(0) 7949 465 142
e [EMAIL PROTECTED]
Sussex House
Plane Tree Crescent
Feltham, Middlesex, TW13 7HE
United Kingdom
http://www.performgroup.com/
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Submit, ajax, targets and action
I have a form which contains a number of different submit buttons, each using the action attribute on the submit tag to control which action this called, this work fine. I want this form to load dynamically into a DIV on another page and then using the AJAX theme and targets attributes on the submit tag such that the form updates and remains in the DIV, this also works. However, the action attribute does not appear to work with the AJAX theme; the called action is the form defined one. Is this deliberate or a bug? Does anyone know a good workaround? Many thanks. Matthew Seaborn Software Architect t+44(0) 208 484 0729 m +44(0) 7949 465 142 e [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] Sussex House Plane Tree Crescent Feltham, Middlesex, TW13 7HE United Kingdom http://www.performgroup.com/ http://www.performgroup.com/ CONFIDENTIALITY - This email and any files transmitted with it, are confidential, may be legally privileged and are intended solely for the use of the individual or entity to whom they are addressed. If this has come to you in error, you must not copy, distribute, disclose or use any of the information it contains. Please notify the sender immediately and delete them from your system. SECURITY - Please be aware that communication by email, by its very nature, is not 100% secure and by communicating with Perform Group by email you consent to us monitoring and reading any such correspondence. VIRUSES - Although this email message has been scanned for the presence of computer viruses, the sender accepts no liability for any damage sustained as a result of a computer virus and it is the recipients responsibility to ensure that email is virus free. AUTHORITY - Any views or opinions expressed in this email are solely those of the sender and do not necessarily represent those of Perform Group. COPYRIGHT - Copyright of this email and any attachments belongs to Perform Group, Companies House Registration number 6324278.
RE: ParametersInterceptor setting values using a String[]
Your right: looks like SiteMesh was sending the parameters through to
another action.
Thanks for the help.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
Sent: 14 February 2008 11:17
To: Struts Users Mailing List
Subject: Re: ParametersInterceptor setting values using a String[]
Hi Matthew,
The params interceptor is calling setId on ActionSupport (the default
action), not on your action that has the setId method, so an exception
is
being thrown as there's no matching setter whatsoever. You may have a
config error.
All params are treated as arrays because its valid in HTTP for the same
parameter to be specified multiple times in the same request.
The default type conversion will call setId(Integer id) using the first
element in the array if that's the first property to be matched.
The error is only logged when the exception occurs and this is
*infrequent* in normal use.
Hope that helps!
regards,
Jeromy Evans
This appears to have been mentioned a number of times in the Struts 2
and XWork forums but I cannot find a real answer:
Using Struts 2.0.11 I am experiencing the following problem.
I have an action with the method
setId(Integer id) { ... }
When this value is set via a HTTP request through the
ParametersInterceptor it succeeds when using both GET and POST.
However
when a GET is performed I get the following exception logged
SEVERE: ParametersInterceptor - [setParameters]: Unexpected Exception
caught setting 'id' on 'class com.opensymphony.xwork2.ActionSupport:
Error setting expression 'id' with value '[Ljava.lang.String;@1a1f635'
XWork appears to store the a single GET parameters as an array of
Strings and attempt to set the value using the String[] first, when
that
errors tries to convert it. The problem with this is it logs the first
failure as an ERROR.
Why is this happening and short of creating my own TypeConverter or
blocking it in the logger config, how can I stop this error being
logged
for GET requests?
Matthew Seaborn
Software Architect
t+44(0) 208 484 0729
m +44(0) 7949 465 142
e [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED]
Sussex House
Plane Tree Crescent
Feltham, Middlesex, TW13 7HE
United Kingdom
http://www.performgroup.com/ http://www.performgroup.com/
CONFIDENTIALITY - This email and any files transmitted with it, are
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the
use of the individual or entity to whom they are addressed. If this
has
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any
of the information it contains. Please notify the sender immediately
and
delete them from your system.
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Roadmap and activity
We are currently trialling Struts 2 as a replacement as the framework of choice in the place of Struts 1 and was wondering how 'active' is the development on the current framework? I see that last year a new release came out every few months, but there has been nothing since September. CONFIDENTIALITY - This email and any files transmitted with it, are confidential, may be legally privileged and are intended solely for the use of the individual or entity to whom they are addressed. If this has come to you in error, you must not copy, distribute, disclose or use any of the information it contains. Please notify the sender immediately and delete them from your system. SECURITY - Please be aware that communication by email, by its very nature, is not 100% secure and by communicating with Perform Group by email you consent to us monitoring and reading any such correspondence. VIRUSES - Although this email message has been scanned for the presence of computer viruses, the sender accepts no liability for any damage sustained as a result of a computer virus and it is the recipients responsibility to ensure that email is virus free. AUTHORITY - Any views or opinions expressed in this email are solely those of the sender and do not necessarily represent those of Perform Group. COPYRIGHT - Copyright of this email and any attachments belongs to Perform Group, Companies House Registration number 6324278.
ParametersInterceptor setting values using a String[]
This appears to have been mentioned a number of times in the Struts 2
and XWork forums but I cannot find a real answer:
Using Struts 2.0.11 I am experiencing the following problem.
I have an action with the method
setId(Integer id) { ... }
When this value is set via a HTTP request through the
ParametersInterceptor it succeeds when using both GET and POST. However
when a GET is performed I get the following exception logged
SEVERE: ParametersInterceptor - [setParameters]: Unexpected Exception
caught setting 'id' on 'class com.opensymphony.xwork2.ActionSupport:
Error setting expression 'id' with value '[Ljava.lang.String;@1a1f635'
XWork appears to store the a single GET parameters as an array of
Strings and attempt to set the value using the String[] first, when that
errors tries to convert it. The problem with this is it logs the first
failure as an ERROR.
Why is this happening and short of creating my own TypeConverter or
blocking it in the logger config, how can I stop this error being logged
for GET requests?
Matthew Seaborn
Software Architect
t+44(0) 208 484 0729
m +44(0) 7949 465 142
e [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED]
Sussex House
Plane Tree Crescent
Feltham, Middlesex, TW13 7HE
United Kingdom
http://www.performgroup.com/ http://www.performgroup.com/
CONFIDENTIALITY - This email and any files transmitted with it, are
confidential, may be legally privileged and are intended solely for the use of
the individual or entity to whom they are addressed. If this has come to you in
error, you must not copy, distribute, disclose or use any of the information it
contains. Please notify the sender immediately and delete them from your system.
SECURITY - Please be aware that communication by email, by its very nature, is
not 100% secure and by communicating with Perform Group by email you consent to
us monitoring and reading any such correspondence.
VIRUSES - Although this email message has been scanned for the presence of
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RE: ParametersInterceptor setting values using a String[]
Thanks for the prompt response. Having had a look at the code in Xwork
that comes as part of Struts 2 (included below) it seems to log it
regardless of the devMode.
This is the same for 2.0.4 and 2.1.0.
I cannot believe this hasn't been spotted before now, so I assume I am
doing something wrong.
try {
stack.setValue(name, value);
} catch (RuntimeException e) {
if (devMode) {
String developerNotification =
LocalizedTextUtil.findText(ParametersInterceptor.class,
devmode.notification, ActionContext.getContext().getLocale(),
Developer Notification:\n{0}, new Object[]{
e.getMessage()
});
LOG.error(developerNotification);
if (action instanceof ValidationAware) {
((ValidationAware)
action).addActionMessage(developerNotification);
}
} else {
LOG.error(ParametersInterceptor - [setParameters]: Unexpected
Exception caught setting '+name+' on '+action.getClass()+: +
e.getMessage());
}
}
-Original Message-
From: Daniel Baldes [mailto:[EMAIL PROTECTED]
Sent: 14 February 2008 10:14
To: Struts Users Mailing List
Subject: Re: ParametersInterceptor setting values using a String[]
Matthew Seaborn wrote:
Why is this happening and short of creating my own TypeConverter or
blocking it in the logger config, how can I stop this error being
logged
for GET requests?
AFAIK this error is only logged in devMode.
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