Hello, everybody!
I have been searching for help for this one, but looks like nobody has had
this problem before... is it only me?
I am using Tomcat 5.5, and I have two web-apps using OJB (I’m using
Jetspeed-1) to host two portals. The problem started when I placed the
ojb-1.0.1.jar on shared/lib. Both web-apps use similar, but separate
databases (essential1 and essential2), but my second web-app is totally
ignoring the java-connection-descriptor file, so it keeps using essential1
instead of essential2. Apparently the jcd for essential1 got cached, and
further requests to generate more PB’s reuse the cached instance of
essential1, instead of creating a new instance for the other web-app
essential2. Both web-apps have a similar jcd, like the following:
<jdbc-connection-descriptor
jcd-alias=”essential”
default-connection=”false”
platform=”MySQL”
jdbc-level=”2.0”
driver=”org.gjt.mm.mysql.Driver”
protocol=”jdbc”
subprotocol=”mysql”
dbalias=”//localhost/essential2?zeroDateTimeBehavior=convertToNull”
username=”xxxxx”
password=”xxxxx”
<connection-pool
maxActive=”21”
validationQuery=”” />
<sequence-manager
className=”org.apache.ojb.broker.util.sequence.SequenceManagerHighLowImpl”>
<attribute attribute-name=”grabSize” attribute-value=”20”/>
<attribute attribute-name=”autoNaming” attribute-value=”true”/>
<attribute attribute-name=”globalSequenceId” attribute-value=”false”/>
<attribute attribute-name=”globalSequenceStart” attribute-value=”10000”/>
</sequence-manager>
</jdbc-connection-descriptor>
I know that the easy answer is just to put a copy of ojb-1.0.1.jar on each
web-app lib directory, but it just doesn’t sound right. Besides the waste of
space, if sounds like Tomcat (or Jetspeed) is caching the PB object, so the
second application is using the same PB object of the first app, and that
seems to be just wrong.
This is obviously a caching problem, but, whose to blame? Tomcat? Jetspeed?
OJB? What configuration/properties file should change to fix this problem?
Thank you so much for your help!
Luis
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