This seems like Avalon question to me. If you won't get answer on this list, try Avalon lists.
Regards, Vadim > From: [EMAIL PROTECTED] [mailto:volker.schmitt@basf-it- > > > > > I have written a Poolable Transformer which does a lookup to the Sitemap > TransformerSelector (in the compose method). > > public void compose(ComponentManager manager) > throws ComponentException > { > this.manager = manager; > transformerSelector = (ComponentSelector) > manager.lookup(Transformer.ROLE + "Selector"); > } > > The TransformerSelector is needed, because this transformer uses other > Transformers at runtime. If I add this Transformer to the Sitemap, the > ComponentSelector runs in a endless loop (see Stacktrace). > The reason is, that the ComponentPool is initialized before the > ComponentSelector itself is initialized. This mean, that the lookup to the > ComponentSelector is called before the ComponentSelector itself is > initialized. > For me, it looks like a design problem handling pooled components. > What is your opinion? I am not sure if this is a bug or a feature ;-) > > A workaround is, setting pool-min="0", because the instance (Transformer) is > created by the first request and then the ComponentSelector is initialized. > > Thanks for your response > > Volker > > > > The Stacktrace: > Thread [HttpProcessor[8080][4]] (Suspended (breakpoint at line 127 in > TagTransformer)) > TagTransformer.compose(ComponentManager) line: 127 > DefaultComponentFactory.newInstance() line: 157 > DefaultComponentPool(AbstractPool).newPoolable() line: 82 > DefaultComponentPool(AbstractPool).internalGrow(int) line: 126 > DefaultComponentPool(SoftResourceLimitingPool).grow(int) line: 91 > DefaultComponentPool(SoftResourceLimitingPool).initialize() line: 80 > PoolableComponentHandler.initialize() line: 88 > ComponentsSelector(ExcaliburComponentSelector).initialize() line: 163 > ComponentsSelector.initialize() line: 238 > DefaultComponentFactory.newInstance() line: 183 > ThreadSafeComponentHandler.initialize() line: 84 > CocoonComponentManager(ExcaliburComponentManager).lookup(String) line: > 331 > CocoonComponentManager.lookup(String) line: 188 > TagTransformer.compose(ComponentManager) line: 129 > DefaultComponentFactory.newInstance() line: 157 > DefaultComponentPool(AbstractPool).newPoolable() line: 82 > DefaultComponentPool(AbstractPool).internalGrow(int) line: 126 > DefaultComponentPool(SoftResourceLimitingPool).grow(int) line: 91 > DefaultComponentPool(SoftResourceLimitingPool).initialize() line: 80 > PoolableComponentHandler.initialize() line: 88 > ComponentsSelector(ExcaliburComponentSelector).initialize() line: 163 > ComponentsSelector.initialize() line: 238 > DefaultComponentFactory.newInstance() line: 183 > ThreadSafeComponentHandler.initialize() line: 84 > CocoonComponentManager(ExcaliburComponentManager).initialize() line: 167 > LifecycleHelper.setupComponent(Object, Logger, Context, ComponentManager, > RoleManager, LogKitManager, Configuration, boolean) line: 275 > LifecycleHelper.setupComponent(Object, Logger, Context, ComponentManager, > RoleManager, LogKitManager, Configuration) line: 190 > SitemapLanguage.createComponentManager(Configuration) line: 109 > SitemapLanguage(TreeBuilder).build(Configuration) line: 382 > TreeProcessor.setupRootNode(Environment) line: 409 > TreeProcessor.process(Environment, InvokeContext) line: 357 > TreeProcessor.process(Environment) line: 329 > Cocoon.process(Environment) line: 575 > CocoonServlet.service(HttpServletRequest, HttpServletResponse) line: 989 > CocoonServlet(HttpServlet).service(ServletRequest, ServletResponse) line: > 853 --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
