Method removeChild

java/org/apache/catalina/core/ContainerBase.java:634–672

(Container child)

    @Override
    public void removeChild(Container child) {

        if (child == null) {
            return;
        }

        try {
            if (child.getState().isAvailable()) {
                child.stop();
            }
        } catch (LifecycleException e) {
            log.error(sm.getString("containerBase.child.stop"), e);
        }

        try {
            // child.destroy() may have already been called which would have
            // triggered this call. If that is the case, no need to destroy the
            // child again.
            if (!LifecycleState.DESTROYING.equals(child.getState())) {
                child.destroy();
            }
        } catch (LifecycleException e) {
            log.error(sm.getString("containerBase.child.destroy"), e);
        }

        boolean removed = false;
        childrenLock.writeLock().lock();
        try {
            removed = children.remove(child.getName()) != null;
        } finally {
            childrenLock.writeLock().unlock();
        }

        if (removed) {
            fireContainerEvent(REMOVE_CHILD_EVENT, child);
        }

    }


    @Override