https://bz.apache.org/bugzilla/show_bug.cgi?id=59449
Bug ID: 59449
Summary: org.apache.catalina.core.ContainerBase#removeChild
remove order
Product: Tomcat 9
Version: 9.0.0.M4
Hardware: PC
OS: Mac OS X 10.1
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: huxing.zh...@gmail.com
Created attachment 33832
--> https://bz.apache.org/bugzilla/attachment.cgi?id=33832&action=edit
patch to implement the proposed behaviour.
Hi,
In org.apache.catalina.core.ContainerBase#addChildInternal, we have the
following execution order:
1. put child to children
2. call child' start
3. fire ADD_CHILD_EVENT
However, in org.apache.catalina.core.ContainerBase#removeChild, the execution
order is not in reverse order:
1. remove child from children
2. call child's stop
3. fire REMOVE_CHILD_EVENT
4. call child's destroy if necessary
This may lead to some unexpected behaviour. e.g. One can deploy a web app while
it is being undeployed.
Proposed execution order in removeChild:
1. call child's stop
2. call child's destroy if necessary
3. remove child from children
4. fire REMOVE_CHILD_EVENT
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