https://issues.apache.org/bugzilla/show_bug.cgi?id=55703
Bug ID: 55703
Summary: Error in the JNDI Generic JavaBean Resources
documentation
Product: Tomcat 7
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Documentation
Assignee: [email protected]
Reporter: [email protected]
http://tomcat.apache.org/tomcat-7.0-doc/jndi-resources-howto.html#Generic_JavaBean_Resources
In this page of the Tomcat 7 documentation - but this is true for all versions
- there is the following statement:
"The resource factory will create a new instance of the appropriate bean class
every time a lookup() for this entry is made."
But that seems not true. I created an example foo.bar.Bean, which simply
increment a static int at each creation. Then, I configured a BeanFactory in
the global resources section of server.xml, and I deployed a servlet which
simply lookup 1000 thousand times for the bean and print its string
representation in the response.
To reproduce, follow the steps below using the targz attached:
1) configure a resource with a BeanFactory, as in the server.xml attached;
2) put the bean-factory-bug-bean.jar in the common classpath of the container;
3) start the container;
4) deploy the bean-factory-bug-web.war file in the appbase folder;
5) open http://localhost:8080/bean-factory-bug-web/BeanServlet
As for one can read from the documentation, the expected output is
Bean #1
Bean #2
Bean #3
...
Bean #999
Bean #1000
But the actual output is
Bean #1
Bean #1
Bean #1
...
Bean #1
Bean #1
I think that the actual behaviour of the container is the most advisable
behaviour, but would be better to update the documentation to match it and
avoid misleading.
Thanks.
Giulio Quaresima (Ph.D) - Perugia - Italy
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