|Bundles in usr and pickup behave differently [message #559602]
||Fri, 17 September 2010 06:59
| guofeng zhang
Registered: July 2009
I use Virgo Web Server 2.1 M4. In my following test, I always use "startup -clean" for each case.|
I downloaded com.springsource.org.apache.commons.pool-1.5.3.jar and com.springsource.org.apache.commons.dbcp-1.2.2.osgi.jar.
(1) if I placed the above two jars in pickup, I got:
An Import-Package could not be resolved. Caused by missing constraint in bundle <com.springsource.org.apache.commons.dbcp_1.2.2.osgi>
constraint: <Import-Package: org.apache.commons.pool.impl; version="[1.3.0,2.0.0)">
(2) if I placed the two jars in usr. Only "org.apache.commons.pool" is deployed. "org.apache.commons.dbcp" is not deployed, It is not listed in the Bundles page of Admin Console. No any error in the log.
(3)If I placed "org.apache.commons.dbcp" in pickup, and "org.apache.commons.pool" in usr seperately. The two bundles deployed successfully. Then I tried to deploy my datasource bundle. It has to be placed in pickup. If it is placed in usr, it won't be deployed.
Is this the expected behavior or a bug in Virgo?
If it is the expected behavior, could you explain the difference between usr and pickup directory. From the user guide, it seems that pickup directory is only for hot deploy.
|Re: Bundles in usr and pickup behave differently [message #559608 is a reply to message #559602]
||Fri, 17 September 2010 07:40
| Chris Frost
Registered: January 2010
Location: Southampton, England
This is expected behaviour, the pickup directory is a watched directory for you to deploy your application bundles and artifacts to. The repository/usr directory is also a watched directory but bundles and other artifacts in it will not be hot-deployed, it is for your applications dpendancies.
From your description below, you should place both the commons bundles in the usr directory and, if needed, they will be started when you deploy an application bundle.
More information can be found in the User guide http://www.eclipse.org/virgo/documentation/virgo-documentati on-2.1.0.M04-incubation/docs/virgo-user-guide/html/ch08.html and http://www.eclipse.org/virgo/documentation/virgo-documentati on-2.1.0.M04-incubation/docs/virgo-user-guide/html/ch06.html
Hope this helps,
Chris Frost, Twitter @cgfrost
Springsource, a divison of VMware.
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