Comments on: Caching in Tomcat – SOLVED! http://www.symphonious.net/2007/06/19/caching-in-tomcat/ Living in a state of accord. Tue, 07 Feb 2012 01:07:58 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: hakimehhttp://www.symphonious.net/2007/06/19/caching-in-tomcat/comment-page-1/#comment-176098 hakimeh Mon, 01 Nov 2010 11:20:40 +0000 https://www.symphonious.net/2007/06/19/caching-in-tomcat/#comment-176098 Hi I am haveing same problem.tomcat cash static file like (.xml and ..) can anyone me a working solution? thanks hakimeh Hi
I am haveing same problem.tomcat cash static file like (.xml and ..)
can anyone me a working solution?

thanks
hakimeh

]]> By: Karthikhttp://www.symphonious.net/2007/06/19/caching-in-tomcat/comment-page-1/#comment-175952 Karthik Thu, 14 Oct 2010 10:00:47 +0000 https://www.symphonious.net/2007/06/19/caching-in-tomcat/#comment-175952 Hi danny.. Thank you very much for posting the web.xml and filter. It solved our problem too.. Thanks, Karthik Hi danny..

Thank you very much for posting the web.xml and filter. It solved our problem too..

Thanks,
Karthik

]]> By: Karthihttp://www.symphonious.net/2007/06/19/caching-in-tomcat/comment-page-1/#comment-174670 Karthi Tue, 09 Mar 2010 11:33:08 +0000 https://www.symphonious.net/2007/06/19/caching-in-tomcat/#comment-174670 @danny: Thanks. The issue is resolved. @danny: Thanks. The issue is resolved.

]]> By: Karthihttp://www.symphonious.net/2007/06/19/caching-in-tomcat/comment-page-1/#comment-174669 Karthi Tue, 09 Mar 2010 05:27:04 +0000 https://www.symphonious.net/2007/06/19/caching-in-tomcat/#comment-174669 Guys, I am also having the same kind of problem, am using tomcat server for my web application, in that i just want to cache static objects like (images, javascripts, & CSS). how can i do that... Can anyone give me a working solution.... Your help much appreciated... Guys,

I am also having the same kind of problem, am using tomcat server for my web application, in that i just want to cache static objects like (images, javascripts, & CSS). how can i do that…

Can anyone give me a working solution….

Your help much appreciated…

]]> By: Pawanhttp://www.symphonious.net/2007/06/19/caching-in-tomcat/comment-page-1/#comment-174647 Pawan Wed, 24 Feb 2010 09:15:06 +0000 https://www.symphonious.net/2007/06/19/caching-in-tomcat/#comment-174647 Thanks, My problem get solved, (not opening flash file using SSL) Thanks,
My problem get solved, (not opening flash file using SSL)

]]> By: Gopalhttp://www.symphonious.net/2007/06/19/caching-in-tomcat/comment-page-1/#comment-173896 Gopal Sat, 07 Mar 2009 13:46:43 +0000 https://www.symphonious.net/2007/06/19/caching-in-tomcat/#comment-173896 MES CacheFilter com.xucia.resourceaccelerate.CacheHeadersFilter cache-folder <!-- what folder to use for caching compressed file (relative the webapp root directory) --> WEB-INF/cache <!-- folder or path --> expiration-time <!-- how long the resource should stay in the browser cache --> 86400000 <!-- one day --> CompressAndCacheFilter com.xucia.resourceaccelerate.CompressAndCacheHeadersFilter caching-headers-enabled <!-- sets whether or not caching headers should be enabled--> true <!-- this is true by default, must be set to false to disable --> expiration-time <!-- how long the resource should stay in the browser cache --> 86400000 <!-- one day --> cached-compressed-data <!-- Specifies if the compressed gzip files should be cached so they don't have to re-gzipped. This can be turned off for dynamic content, so it doesn't have to cache --> true <!-- true is the default--> JSCompressAndCacheFilter com.xucia.resourceaccelerate.CompressAndCacheHeadersFilter expiration-time <!-- how long the resource should stay in the browser cache --> 86400000 <!-- one day --> shrink-js <!-- setting if the js should be shrinked --> false <!-- no js shrinking--> <!-- These file types will only have caching headers applied --> CacheFilter *.gif CacheFilter *.jpg CacheFilter *.png CacheFilter *.jpeg <!-- These file types will have caching headers and gzip applied --> CompressAndCacheFilter *.html CompressAndCacheFilter *.css JSCompressAndCacheFilter *.js dispatcher org.springframework.web.servlet.DispatcherServlet contextClass org.springframework.web.context.support.XmlWebApplicationContext contextConfigLocation /WEB-INF/server-prod-context.xml /WEB-INF/presentation-prod-context.xml /WEB-INF/presentation-planning-context.xml /WEB-INF/server-planning-context.xml /WEB-INF/server-quality-context.xml /WEB-INF/presentation-quality-context.xml 1 SendForSchdDDServlet in.jsw.mes.production.servlet.SendForSchdDDServlet OrdersServlet in.jsw.mes.planning.transactions.servlets.OrdersServlet ReductionMasterServlet in.jsw.mes.planning.masters.servlets.ReductionMasterServlet StartupPossibleValuesServlet in.jsw.mes.planning.masters.servlets.StartupPossibleValuesServlet HrCoilRcptServlet in.jsw.mes.production.servlet.HrCoilRcptServlet CPLProductionServlet in.jsw.mes.production.servlet.CPLProductionServlet QualityServlet in.jsw.mes.quality.servlet.QualityServlet DelayServlet in.jsw.mes.production.servlet.DelayServlet DefectServlet in.jsw.mes.quality.servlet.DefectServlet surfaceImageDisplay surfaceImageDisplay in.jsw.mes.quality.servlet.surfaceImageDisplay ReductionMasterServlet /ReductionMasterServlet StartupPossibleValuesServlet /StartupPossibleValuesServlet dispatcher *.ui SendForSchdDDServlet /SendForSchdDDServlet OrdersServlet /OrdersServlet HrCoilRcptServlet /HrCoilRcptServlet CPLProductionServlet /CPLProductionServlet QualityServlet /QualityServlet DelayServlet /DelayServlet DefectServlet /DefectServlet surfaceImageDisplay /surfaceImageDisplay index.jsp http://java.sun.com/jsp/jstl/core /WEB-INF/tld/jstl-core.tld http://java.sun.com/jsp/jstl/fmt /WEB-INF/tld/jstl-fmt.tld http://java.sun.com/jsp/jstl/fn /WEB-INF/tld/jstl-fn.tld /spring /WEB-INF/tld/spring.tld Example Security Constraint Secured Area *.ui <!-- friend --> FORM Secured Application Area /WEB-INF/jsps/production/transaction/login.jsp /WEB-INF/jsps/production/transaction/login.jsp?error=Login+not+successful.+Try again. <!-- friend --> MES

CacheFilter
com.xucia.resourceaccelerate.CacheHeadersFilter

cache-folder
WEB-INF/cache

expiration-time
86400000

CompressAndCacheFilter
com.xucia.resourceaccelerate.CompressAndCacheHeadersFilter

caching-headers-enabled
true

expiration-time
86400000

cached-compressed-data
true

JSCompressAndCacheFilter
com.xucia.resourceaccelerate.CompressAndCacheHeadersFilter

expiration-time
86400000

shrink-js
false

CacheFilter
*.gif

CacheFilter
*.jpg

CacheFilter
*.png

CacheFilter
*.jpeg

CompressAndCacheFilter
*.html

CompressAndCacheFilter
*.css

JSCompressAndCacheFilter
*.js

dispatcher
org.springframework.web.servlet.DispatcherServlet

contextClass
org.springframework.web.context.support.XmlWebApplicationContext

contextConfigLocation
/WEB-INF/server-prod-context.xml /WEB-INF/presentation-prod-context.xml /WEB-INF/presentation-planning-context.xml /WEB-INF/server-planning-context.xml /WEB-INF/server-quality-context.xml /WEB-INF/presentation-quality-context.xml

1

SendForSchdDDServlet
in.jsw.mes.production.servlet.SendForSchdDDServlet

OrdersServlet
in.jsw.mes.planning.transactions.servlets.OrdersServlet

ReductionMasterServlet
in.jsw.mes.planning.masters.servlets.ReductionMasterServlet

StartupPossibleValuesServlet
in.jsw.mes.planning.masters.servlets.StartupPossibleValuesServlet

HrCoilRcptServlet
in.jsw.mes.production.servlet.HrCoilRcptServlet

CPLProductionServlet
in.jsw.mes.production.servlet.CPLProductionServlet

QualityServlet
in.jsw.mes.quality.servlet.QualityServlet

DelayServlet
in.jsw.mes.production.servlet.DelayServlet

DefectServlet
in.jsw.mes.quality.servlet.DefectServlet

surfaceImageDisplay
surfaceImageDisplay

in.jsw.mes.quality.servlet.surfaceImageDisplay

ReductionMasterServlet
/ReductionMasterServlet

StartupPossibleValuesServlet
/StartupPossibleValuesServlet

dispatcher
*.ui

SendForSchdDDServlet
/SendForSchdDDServlet

OrdersServlet
/OrdersServlet

HrCoilRcptServlet
/HrCoilRcptServlet

CPLProductionServlet
/CPLProductionServlet

QualityServlet
/QualityServlet

DelayServlet
/DelayServlet

DefectServlet
/DefectServlet

surfaceImageDisplay
/surfaceImageDisplay

index.jsp

http://java.sun.com/jsp/jstl/core
/WEB-INF/tld/jstl-core.tld

http://java.sun.com/jsp/jstl/fmt
/WEB-INF/tld/jstl-fmt.tld

http://java.sun.com/jsp/jstl/fn
/WEB-INF/tld/jstl-fn.tld

/spring
/WEB-INF/tld/spring.tld

Example Security Constraint

Secured Area
*.ui

<!–
friend
–>

FORM
Secured Application Area

/WEB-INF/jsps/production/transaction/login.jsp
/WEB-INF/jsps/production/transaction/login.jsp?error=Login+not+successful.+Try again.

<!–
friend
–>

]]> By: Arunhttp://www.symphonious.net/2007/06/19/caching-in-tomcat/comment-page-1/#comment-173895 Arun Sat, 07 Mar 2009 11:55:06 +0000 https://www.symphonious.net/2007/06/19/caching-in-tomcat/#comment-173895 Hi Gopal, I could not get the whole tags from the response you posted.. In web.xml you need to use <filter> tags so that Tomcat will know to send all requests thru this Resource Accelerate. Hi Gopal,

I could not get the whole tags from the response you posted..
In web.xml you need to use <filter> tags so that Tomcat will know to send all requests thru this Resource Accelerate.

]]> By: Gopalhttp://www.symphonious.net/2007/06/19/caching-in-tomcat/comment-page-1/#comment-173894 Gopal Sat, 07 Mar 2009 11:51:19 +0000 https://www.symphonious.net/2007/06/19/caching-in-tomcat/#comment-173894 Regret that I am flooding with questions - however I am happy to seek the right fraternities help 1. Or - may be - all requests are to be served by Dispather servlet of Spring - but when the response is composed - it should be given to the Resource Accelerator Servlet so that the headers are appropriately set/updated - before the response is sent to the clients/browsers. 2. The objective that is to be achieved is that - a. Set longer expiry period of the css, js, imgs/png, imgs/gif etc at the client side. b. So that requests are not sent to the server for such mime types. c. However once all the headers are set appropriately - the subsequent request for such mime types should only be if-modified-since - and as you know if there are no modifications nothing is sent and if modifications are there -only the modified resouces should be sent back to be again cached for the defined expiry period d. instead of storing the cache in the memory can the cache be stored on the hard disk - Regards, gopal. Regret that I am flooding with questions – however I am happy to seek the right fraternities help

1. Or – may be – all requests are to be served by Dispather servlet of Spring – but when the response is composed – it should be given to the Resource Accelerator Servlet so that the headers are appropriately set/updated – before the response is sent to the clients/browsers.

2. The objective that is to be achieved is that -
a. Set longer expiry period of the css, js, imgs/png, imgs/gif etc at the client side.
b. So that requests are not sent to the server for such mime types.
c. However once all the headers are set appropriately – the subsequent request for such mime types should only be if-modified-since – and as you know if there are no modifications nothing is sent and if modifications are there -only the modified resouces should be sent back to be again cached for the defined expiry period
d. instead of storing the cache in the memory can the cache be stored on the hard disk -

Regards,
gopal.

]]> By: Gopalhttp://www.symphonious.net/2007/06/19/caching-in-tomcat/comment-page-1/#comment-173893 Gopal Sat, 07 Mar 2009 11:22:47 +0000 https://www.symphonious.net/2007/06/19/caching-in-tomcat/#comment-173893 My request is what do I need to do (or if an example is present) to make sure that the response is built and then given to the Resource accelerator filter classes so that the gzipinng and caching headers are modified/updated before the response is sent to the client/browser.I think the Spring MVC dispatcher servlet gets the request and it is bypassing the filter classes to do the gzipinng and caching of HTTP headers and sending the response to clients/browsers. Please find my web.xml - I have added the Resource Accelerator jar to the build path and mentioned the filter class and mappings in web.xml. MES CacheFilter com.xucia.resourceaccelerate.CacheHeadersFilter <!-- cache-folder ra-cache --> cache-folder <!-- what folder to use for caching compressed file (relative the webapp root directory)--> WEB-INF/cache <!-- folder or path --> expiration-time <!-- how long the resource should stay in the browser cache --> 86400000 <!-- one day --> CompressAndCacheFilter com.xucia.resourceaccelerate.CompressAndCacheHeadersFilter caching-headers-enabled <!--sets whether or not caching headers should be enabled --> true <!-- this is true by default, must be set to false to disable--> expiration-time <!-- how long the resource should stay in the browser cache --> 86400000 <!-- one day --> cached-compressed-data true <!-- true is the default--> JSCompressAndCacheFilter com.xucia.resourceaccelerate.CompressAndCacheHeadersFilter expiration-time <!-- how long the resource should stay in the browser cache --> 86400000 <!-- one day --> shrink-js <!-- setting if the js should be shrinked --> false <!-- no js shrinking--> <!-- These file types will only have caching headers applied --> CacheFilter *.gif CacheFilter *.jpg CacheFilter *.png CacheFilter *.jpeg <!-- These file types will have caching headers and gzip applied --> CompressAndCacheFilter *.html CompressAndCacheFilter *.css JSCompressAndCacheFilter *.js dispatcher org.springframework.web.servlet.DispatcherServlet contextClass org.springframework.web.context.support.XmlWebApplicationContext contextConfigLocation /WEB-INF/server-prod-context.xml /WEB-INF/presentation-prod-context.xml /WEB-INF/presentation-planning-context.xml /WEB-INF/server-planning-context.xml /WEB-INF/server-quality-context.xml /WEB-INF/presentation-quality-context.xml 1 SendForSchdDDServlet in.jsw.mes.production.servlet.SendForSchdDDServlet OrdersServlet in.jsw.mes.planning.transactions.servlets.OrdersServlet ReductionMasterServlet in.jsw.mes.planning.masters.servlets.ReductionMasterServlet StartupPossibleValuesServlet in.jsw.mes.planning.masters.servlets.StartupPossibleValuesServlet HrCoilRcptServlet in.jsw.mes.production.servlet.HrCoilRcptServlet CPLProductionServlet in.jsw.mes.production.servlet.CPLProductionServlet QualityServlet in.jsw.mes.quality.servlet.QualityServlet DelayServlet in.jsw.mes.production.servlet.DelayServlet DefectServlet in.jsw.mes.quality.servlet.DefectServlet surfaceImageDisplay surfaceImageDisplay in.jsw.mes.quality.servlet.surfaceImageDisplay ReductionMasterServlet /ReductionMasterServlet StartupPossibleValuesServlet /StartupPossibleValuesServlet dispatcher *.* SendForSchdDDServlet /SendForSchdDDServlet OrdersServlet /OrdersServlet HrCoilRcptServlet /HrCoilRcptServlet CPLProductionServlet /CPLProductionServlet QualityServlet /QualityServlet DelayServlet /DelayServlet DefectServlet /DefectServlet surfaceImageDisplay /surfaceImageDisplay index.jsp http://java.sun.com/jsp/jstl/core /WEB-INF/tld/jstl-core.tld http://java.sun.com/jsp/jstl/fmt /WEB-INF/tld/jstl-fmt.tld http://java.sun.com/jsp/jstl/fn /WEB-INF/tld/jstl-fn.tld /spring /WEB-INF/tld/spring.tld Example Security Constraint Secured Area *.ui <!-- friend --> FORM Secured Application Area /WEB-INF/jsps/production/transaction/login.jsp /WEB-INF/jsps/production/transaction/login.jsp?error=Login+not+successful.+Try again. <!-- friend --> My request is what do I need to do (or if an example is present) to make sure that the response is built and then given to the Resource accelerator filter classes so that the gzipinng and caching headers are modified/updated before the response is sent to the client/browser.I think the Spring MVC dispatcher servlet gets the request and it is bypassing the filter classes to do the gzipinng and caching of HTTP headers and sending the response to clients/browsers.

Please find my web.xml – I have added the Resource Accelerator jar to the build path and mentioned the filter class and mappings in web.xml.

MES

CacheFilter
com.xucia.resourceaccelerate.CacheHeadersFilter
<!–
cache-folder ra-cache

–>

cache-folder

WEB-INF/cache

expiration-time
86400000

CompressAndCacheFilter

com.xucia.resourceaccelerate.CompressAndCacheHeadersFilter

caching-headers-enabled

true

expiration-time
86400000

cached-compressed-data

true

JSCompressAndCacheFilter

com.xucia.resourceaccelerate.CompressAndCacheHeadersFilter

expiration-time
86400000

shrink-js
false

CacheFilter
*.gif

CacheFilter
*.jpg

CacheFilter
*.png

CacheFilter
*.jpeg

CompressAndCacheFilter
*.html

CompressAndCacheFilter
*.css

JSCompressAndCacheFilter
*.js

dispatcher
org.springframework.web.servlet.DispatcherServlet

contextClass
org.springframework.web.context.support.XmlWebApplicationContext

contextConfigLocation
/WEB-INF/server-prod-context.xml /WEB-INF/presentation-prod-context.xml /WEB-INF/presentation-planning-context.xml /WEB-INF/server-planning-context.xml /WEB-INF/server-quality-context.xml /WEB-INF/presentation-quality-context.xml

1

SendForSchdDDServlet
in.jsw.mes.production.servlet.SendForSchdDDServlet

OrdersServlet

in.jsw.mes.planning.transactions.servlets.OrdersServlet

ReductionMasterServlet

in.jsw.mes.planning.masters.servlets.ReductionMasterServlet

StartupPossibleValuesServlet

in.jsw.mes.planning.masters.servlets.StartupPossibleValuesServlet

HrCoilRcptServlet
in.jsw.mes.production.servlet.HrCoilRcptServlet

CPLProductionServlet
in.jsw.mes.production.servlet.CPLProductionServlet

QualityServlet
in.jsw.mes.quality.servlet.QualityServlet

DelayServlet
in.jsw.mes.production.servlet.DelayServlet

DefectServlet
in.jsw.mes.quality.servlet.DefectServlet

surfaceImageDisplay
surfaceImageDisplay
in.jsw.mes.quality.servlet.surfaceImageDisplay

ReductionMasterServlet
/ReductionMasterServlet

StartupPossibleValuesServlet
/StartupPossibleValuesServlet

dispatcher
*.*

SendForSchdDDServlet
/SendForSchdDDServlet

OrdersServlet
/OrdersServlet

HrCoilRcptServlet
/HrCoilRcptServlet

CPLProductionServlet
/CPLProductionServlet

QualityServlet
/QualityServlet

DelayServlet
/DelayServlet

DefectServlet
/DefectServlet

surfaceImageDisplay
/surfaceImageDisplay

index.jsp

http://java.sun.com/jsp/jstl/core
/WEB-INF/tld/jstl-core.tld

http://java.sun.com/jsp/jstl/fmt
/WEB-INF/tld/jstl-fmt.tld

http://java.sun.com/jsp/jstl/fn
/WEB-INF/tld/jstl-fn.tld

/spring
/WEB-INF/tld/spring.tld

Example Security Constraint

Secured Area
*.ui

<!–
friend
–>

FORM
Secured Application Area

/WEB-INF/jsps/production/transaction/login.jsp

/WEB-INF/jsps/production/transaction/login.jsp?error=Login+not+successful.+Try
again.

<!–
friend
–>

]]> By: Gopalhttp://www.symphonious.net/2007/06/19/caching-in-tomcat/comment-page-1/#comment-173892 Gopal Sat, 07 Mar 2009 08:17:06 +0000 https://www.symphonious.net/2007/06/19/caching-in-tomcat/#comment-173892 hi Arun or anyone, do you have the complete sample that you can share, (web.xml, servlets etc) that worked for you. we need to shrink he download size, increase the speed, reduce the # of requests from client/browser to server, ensure data is found on the hard disk than the memory of the client, etc etc. so that the web application that we are working on first checks the local systems hard disk for cached resources (js, imgs/gifs/pngs, css, text, properties etc) before it even makes a requests.. to the server. all we want to do is ensure that all subsequent requests get their data from local hard disk cache till the data on server has changed. regards gopal. hi Arun or anyone,

do you have the complete sample that you can share, (web.xml, servlets etc) that worked for you.

we need to shrink he download size, increase the speed, reduce the # of requests from client/browser to server, ensure data is found on the hard disk than the memory of the client, etc etc. so that the web application that we are working on first checks the local systems hard disk for cached resources (js, imgs/gifs/pngs, css, text, properties etc) before it even makes a requests.. to the server.

all we want to do is ensure that all subsequent requests get their data from local hard disk cache till the data on server has changed.

regards
gopal.

]]>