tomcat

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Sun 23 Nov 2008

Way to Struts 1.2 DataSource

Posted by Pandian R under Errors, datasource, jdbc, struts, tomcat
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hurray

Today I had downloaded struts 1.2.7 and tried to write an application. (I know I am selecting a bit old.) I configured the datasource in struts. Alas. When I tried to start my server, tomcat 6.0, I got the error saying "java.lang.ClassNotFoundException: org.apache.commons.dbcp.BasicDataSource". With Googling I found struts-legacy.jar need to downloaded and copied to lib folder of Tomcat. (I couldnt get the recent version of struts-legacy. I found something in archive). Happily restarted the server. I saw java.lang.NoClassDefFoundError: org/apache/commons/pool/impl/GenericObjectPool.. oof.. again I need to download commons-dbcp-1.2.2.jar and commons-pool.jar.

My search come to an end :) It is working fine now.

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Sun 20 Apr 2008

Integrating tomcat 6.0 and Eclipse europa

Posted by Pandian R under eclipse, java, tomcat
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Till now I was using eclipse and tomcat separately, I was not that much serious about deployment, generally I goto the web application folder and edit/compile there itself. I know tomcat can be integrated with Eclipse, but I never tried. Today I have no other go. I need to do it. Here are the steps.

Register Tomcat with Eclipse

Select Window>Preferences

select the server you want to add, here we are adding tomcat 6.0 available under apache node

fill the necessary details

Here you can see the server is added to the list

You can see a new Project called Servers added to the Project explorer, If it is already there, the server might have been appended to the list

now open the corresponding web project to be deployed and start running it (ctrl + F11). Select Run on Server option

specify the server in which the application is to be deployed.

Move the projects to be deployed to the server. Here we have only one.

Thats it. done! see the web page is getting loaded!

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Sat 13 Jan 2007

https – Servlet – Attachment – IE not working

Posted by Pandian R under IE, servlet, tomcat
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Hi, I have a servlet which will send me PDF stream. It is working good in IE and Firefox. When operating in secured mode (https), IE couldnt download the attachment. it stops in halfway. There were no exceptions thrown at the servlet end. Atlast, we found the line

response.setHeader(“Pragma”, “no-cache”);

is the culprit. when we dint set this header param when operating in secured mode,
it is working fine. :)

Microsoft site says “This behavior occurs when the Content Expiration option in the
Hypertext Transfer Protocol (HTTP) Headers, within IIS, is set to
Expire Immediately. Internet Explorer must save any Microsoft Office
file to the local cache directory, and then use the associated
application to open the file. If you set Content Expiration to Expire
Immediately, the Office documents are not cached locally and the
operation fails.”

mm. anyway, it dint take much time. we cud guess this from another servlet we have :)

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