Make distributable webapps depend on the clustering cache
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Key: JBAS-4762
URL:
http://jira.jboss.com/jira/browse/JBAS-4762
Project: JBoss Application Server
Issue Type: Task
Security Level: Public (Everyone can see)
Components: Clustering, Web (Tomcat) service
Reporter: Brian Stansberry
Assigned To: Brian Stansberry
Fix For: JBossAS-5.0.0.Beta3
In 4.x, in the all config the JBossWeb service itself depends on the
jboss.cache:service=TomcatClusteringCache mbean. In AS 5 this is not viable, as the
relevant bean is the TomcatDeployer, which can't/shouldn't depend on a deploy
folder service like the cache. In any case, it's really the <distributable/>
webapps that depend on the cache, not the deployer.
The TomcatDeployer should be adding a dependency on the cache to deployments where
WebMetaData.getDistributable() is true (probably in superclass
AbstractWarDeployer.deployWebModule()).
A problem with this dependency-based approach is it breaks the current "feature"
whereby apps marked <distributable/> can be deployed in the default config. When
this is done, the 4.x deployment code detects the absence of the cache and falls back on
using the standard non-distributable session manager. That won't work if we introduce
a deployment dependency.
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