Update war files during runtime....

The Weblogic Server takes a long time to start and stop. So, whenever we make any changes to our application, which is later bundled into a war file, we always have to stop and start the server, so that it loads the new war file. IS there any way to configure the weblogic server to automatically reload the new war file instead of restarting the server again ?
          Any help is appreciated ...
          Thanks
          Kuntal

How about undeploy and "deploy" the war files using the console?

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How to update cgicmd.dat file during runtime?

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within this report there is a hyperlink to open another report named two.jsp.
before creating this hyperlink, I'd like to update cgicmd.dat file with passed in userID, pwd, and connection, so two.jsp can use this key for userinfo
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srw.set_hyperlink('/reports/rwservlet?report=two.jsp'||
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To my knowledge the cgicmd.dat is only read when the OC4J starts, so you would have to come up with another solution. Using Single-Sign-On (SSO) is quite a good idea, and it's there for cases like this.
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Updating War File for existing Application Issue

I have a web application that is currently deployed and running on a linux SunOne WebServer 7.0 U2.
I use the web admin interface to update the (running) web application with a new WAR file and using the "PreCompile JSP" option.
Once the web application has been updated and deployed, I get a 500 server error on the web application. Here is a snippet from the log.
[28/May/2008:07:19:59] info ( 2427): CORE3276: Installing a new configuration
[28/May/2008:07:19:59] info ( 2427): WEB0100: Loading web module in virtual server [interakt] at [/ssl/onlineenroll]
[28/May/2008:07:20:00] info ( 2427): PWC1412: WebModule[/ssl/onlineenroll] ServletContext.log():Initializing Spring root WebApplicationContext
[28/May/2008:07:20:02] info ( 2427): CORE3280: A new configuration was successfully installed
[28/May/2008:07:20:02] info ( 2427): PWC1412: WebModule[/ssl/onlineenroll] ServletContext.log():Destroying Spring FrameworkServlet 'onlineenroll'
[28/May/2008:07:20:02] info ( 2427): PWC1412: WebModule[/ssl/onlineenroll] ServletContext.log():Closing Spring root WebApplicationContext
[28/May/2008:07:20:46] info ( 2427): for host 127.0.0.1 trying to GET /ssl/onlineenroll/action/enroll;jsessionid=AC1B582906B8ECBD422B72634CFDE128, service-j2ee reports: PWC1412: WebModule[/ssl/onlineenroll] ServletContext.log():Initializing Spring FrameworkServlet 'onlineenroll'
[28/May/2008:07:20:46] failure ( 2427): for host 127.0.0.1 trying to GET /ssl/onlineenroll/action/enroll;jsessionid=AC1B582906B8ECBD422B72634CFDE128, service-j2ee reports: WebModule[/ssl/onlineenroll]StandardWrapper.Throwable
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'tilesConfigurer' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is org.apache.struts.tiles.DefinitionsFactoryException: IO Error while parsing file '/WEB-INF/tile-defs/definitions.xml'. */apps/SunWebsvr7/https-interakt/generated/interakt/ssl/onlineenroll/loader/org/apache/struts/resources/tiles-config_1_1.dtd (No such file or directory)*
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     at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:184)
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     at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:430)
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     at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:819)
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:184)
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Caused by: org.apache.struts.tiles.DefinitionsFactoryException: IO Error while parsing file '/WEB-INF/tile-defs/definitions.xml'. /apps/SunWebsvr7/https-interakt/generated/interakt/ssl/onlineenroll/loader/org/apache/struts/resources/tiles-config_1_1.dtd (No such file or directory)
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If I stop the server instance and start it back then the directory "/apps/SunWebsvr7/https-interakt/generated/interakt/ssl/onlineenroll/loader/org/apache/struts/" is created when the web application starts up and the web application runs as expected.
Does anyone know what I can do to be able to hot deploy a web application and not get this error?
Any help would be appreciated.
Marty Jones

after more research I have determined that the update process is deleting the loader folder when it completes the update process. The problem is that the web application needs this folder because the third party tag library definitions are stored underneath the loader folder. Here is where the loader folder is located.
/<SunOneInstallDir>/<ServerName>/generated/<web-app-name>/<context>/loader
When I stop the server instance and start it back up then the loader folder is created and sets the tab library definitions appropriately.
So the problem seems to be with the update process.

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How Can i execute a batch file from java program.?
my batch file only have this command """" java Server""""
Server is the name of my java file application.

Runtime.exec() is the thing you want.
BUT before you use it, read this:
http://www.javaworld.com/javaworld/jw-12-2000/jw-1229-traps_p.html
and this:
http://mindprod.com/jgloss/exec.html
and, of course, this:
http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Runtime.html
-T-

Load file during runtime

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How to run a Jar file during runtime

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Deploying the new war file without stopping the server

How can i deploy my updated application war file without stopping the server as the user sessions in my application and transactions as well as users request has to be carried out during the deploy process.
Edited by: Kaywin on Jan 28, 2008 10:39 AM

You can update web application via Administration GUI and then deploy the configuration. You don't have to restart the server for it. Assuming you are using 7.0 u2, follow the steps as below to update the web application:-
- Login to Administration Console
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Here is the docs page which has more information about web application deployment -
http://docs.sun.com/app/docs/doc/820-2202/gbrmp?a=view
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A Java ARchive is a general purpose archive. APIs (J2EE.jar) or drivers (JDBC drivers such as Sybase's jconn2.jar) usually contain many classes in their package defined directory structure.
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A Resource ARchive is an archive of classes used to implement the Connection Archetecture. I have not used this myself, so cannot really comment on anything other than it's purpose.
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Any option to extract WAR file at the time of deployement?

          hi
          Is there any attribute to extract the WAR file at the time of deployment.Please
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          Regards
          Anand MOhan


On Wed, 04 Dec 2002 00:30:57 +0000, Anand wrote:
          >
          > hi
          > Is there any attribute to extract the WAR file at the time of deployment.Please
          > Help me if any one know about this one.
          >
          > Regards
          > Anand MOhan
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          Neo Gigs
          "Follow the white rabbit..."

War file generated in WinXPPro gives runtime error in Win2003Server

Hi,
I'm using Netbeans4.1 to compile my jsp application war file in windowsXP Pro environment.
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So, I wonder if war file is depended on the OS environment. Anyone face this issue before? If yes, would appreciate your comments.
Cannot create PoolableConnectionFactory (Server connection failure during transaction. Due to underlying exception: 'java.net.ConnectException: Connection timed out: connect'.
** BEGIN NESTED EXCEPTION **
java.net.ConnectException
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Hey Evert-Jan,
A small (but long :-)) question : I am facing the same issue with JHeadstart 10.1.3.3.85 (latest release I believe?).
Current situation :
A master - detail structure, where each detail is a tab page on the same page as the master table. 2 of the tab pages have a master-detail structure themselves. The contents of the tab pages were generated to regions, because otherwise the jspx would become too large. The 2 tab pages with a master-detail contained 2 regions, one for the master, and one for the detail group.
My first problem (with JHS 10.1.3.3.53) with the 2 master detail tab pages was the following : when changing the master record on the tab, the detail record did not refresh, although the refresh condition was set to "Always". After a long search, I finally found that the partialTriggers were not set correctly by the JAG:


<region id="masterRegionId" .../>

<panelGroup partialTriggers="masterTableId" ...>
<region id="detailRegionId" .../>
</panelGroup>
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Customizing AM Images & Facing Problem in Update & Deploy War files

Hey Guys!
This is Yash Bansal from Gurgaon, India. i am new to access manager. i am now customizing it and facing problem in customizing.
I have customized images which is present in directory path:
opt/SUNWam/web-src/services/images/
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opt/SUNWam/war/
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then deployed configuration from the web server 7.0 admin console.
after that when i open the url
http://<hostname>/amserver/console
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Just wanted to ask you guys am i doing the steps right. please help if someone know how to update and deploy war file on Sun Web server 7.0.
Thanks & Regards,
Yash Bansal

Hi!
Deploying the configuration does not (re)deploy the application. Webserver stores a copy of the deployed application and all configurations in the admin instance. When you change anything in the webserver console it is first written there and only applied to the productive instance when you deploy configuration.
When you add images, jsps or something else to /opt/SUNWam/... and want it redeployed you have to use amconfig command. in /opt/SUNWam/bin there is a file called amsamplesilent. You have to fill the values in this file and then use
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Why http://.../amserver/console does not work anymore, I have no idea. But at least after a redeploy it should be there again.
hth Chris

Dynamic Update of .war files or .ear files

Hello,
I don't see this ability in the current servlet spec. I was wondering if someone has come up with a way to implement the following idea.
I'd like to dynamically update, add, and remove files from a .war file that is running in X servlet engine/application server. An example is adding new HTML files on the fly, or new Style Sheets. The files that I'm trying to add are not class files or any executable files.
If you have any thoughts on how to do this or have done this, please let me know.
Thanks for you help,
d.bretenfeld

It depends on what webserver you're using, and how you configure it.
With Tomcat 4.0, each .war file on startup is extracted to it's own directory and from there any modifications have to be done with the actual files. the .war file is no longer used except as a backup.
Now, with something like JBoss + Tomcat, the .war file is hot deployed anytime a new .war file is copied into the deploy folder. Personally I love this feature, as it forces you to actually "deploy" an application with updates all at once. And actually, you can get around this and modify individual files, but I wouldn't recomend it.
So, as is the answer with so much of Java and J2EE, it all depends on your setup and configuration! =)
I'd be happy to help you out more if you need anything else!

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Is there any way to change the Directory in physical schema
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This is needed so that we can dynamically get the files from
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Any help is highly appreciated.

Hi,
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How to update a war file safely

Hi,
I have a war file that has some files in it. I would like to update the war file to replace an existing web.xml file and add a new file in a different directory.
I know that i can simply unzip the file and make the changes then zip it back again.
I would like to do this using Ant but i was wondering if it is possible to do the update with only the updated files. I think the way ANT would work is it would check every file on the new directory and replace it if it is newer. The problem i have is i dont have copies of the existing files in the war file. I only have the files i want to replace in the war file. If i try it, will i end up with a new war file with just the new files and everything else deleted or will it just update the new file?

Hi,
Thank you for your response.
A zip file is not really what i was querying about. I am working with a war file (Which is deployable on the application server) which is what i was asking about and probably why i didnt look at the zip task when i looked at the manual.
I am using the war task to create the war file. When i looked at the manual (and googled it) i did find that i could use the update=true property on the war task to update the war file. Maybe i should have rephrased my question in another way. What i wanted to ask was if i use the update=true property will it:
1. Update the war file with the new files and leave everything thing else unchanged.
2. Replace the war file with a new one with just the new files.
3. What happens if the new file i want to include has an older timestamp?
As i mentioned earlier, i also know that i can rename the war file with .zip extension, unzip the war file using winzip, make the necessary changes and zip it back and rename it to a .war file. I dont really want to do this as it doesnt feel like its the right way to do it.
Apologies if my initial post was not clear enough.

Update war files during runtime....

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