Modified:
websites/production/tapestry/content/integrating-with-spring-framework.html
==============================================================================
--- websites/production/tapestry/content/integrating-with-spring-framework.html
(original)
+++ websites/production/tapestry/content/integrating-with-spring-framework.html
Sun Feb 18 20:20:09 2018
@@ -109,12 +109,12 @@
</div>
-<p>For integrating Spring Security into your application, see <a
href="integrating-with-spring-framework.html">Integrating with Spring
Framework</a>.</p><p><strong>Contents</strong></p><p><style
type="text/css">/*<![CDATA[*/
-div.rbtoc1518405638739 {padding: 0px;}
-div.rbtoc1518405638739 ul {list-style: disc;margin-left: 0px;}
-div.rbtoc1518405638739 li {margin-left: 0px;padding-left: 0px;}
+<p>For integrating Spring Security into your application, see <a
href="security.html">Security</a>.</p><p><strong>Contents</strong></p><p><style
type="text/css">/*<![CDATA[*/
+div.rbtoc1518985173367 {padding: 0px;}
+div.rbtoc1518985173367 ul {list-style: disc;margin-left: 0px;}
+div.rbtoc1518985173367 li {margin-left: 0px;padding-left: 0px;}
-/*]]>*/</style></p><div class="toc-macro rbtoc1518405638739">
+/*]]>*/</style></p><div class="toc-macro rbtoc1518985173367">
<ul class="toc-indentation"><li>Related Articles</li></ul>
<ul><li><a href="#IntegratingwithSpringFramework-SpringVersion">Spring
Version</a></li><li><a href="#IntegratingwithSpringFramework-Usage">Usage</a>
<ul class="toc-indentation"><li><a
href="#IntegratingwithSpringFramework-Requireddependency">Required
dependency</a></li><li><a
href="#IntegratingwithSpringFramework-Updateyourweb.xmlfile">Update your
web.xml file</a></li><li><a
href="#IntegratingwithSpringFramework-AccessingtheSpringApplicationContext">Accessing
the Spring Application Context</a></li><li><a
href="#IntegratingwithSpringFramework-Injectingbeans">Injecting
beans</a></li><li><a
href="#IntegratingwithSpringFramework-InjectingTapestryservicesinSpringbeans">Injecting
Tapestry services in Spring beans</a></li></ul>
@@ -145,19 +145,13 @@ div.rbtoc1518405638739 li {margin-left:
</div></div><h3 id="IntegratingwithSpringFramework-Injectingbeans">Injecting
beans</h3><p>Inside your component classes, you may use the @<a
class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/annotations/Inject.html";>Inject</a>
annotation. Typically, just adding @<a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/annotations/Inject.html";>Inject</a>
to the field type is sufficient to identify the Spring bean to inject:</p><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
<pre class="brush: java; gutter: false; theme: Default"
style="font-size:12px;"> @Inject
private UserDAO userDAO;</pre>
-</div></div><p>Searching for Spring beans is threaded into the <a
href="integrating-with-spring-framework.html">MasterObjectProvider service</a>.
The Spring context becomes one more place that Tapestry searches when
determining the injection for a injected field or method parameter.</p><h3
id="IntegratingwithSpringFramework-InjectingTapestryservicesinSpringbeans">Injecting
Tapestry services in Spring beans</h3>
+</div></div><p>Searching for Spring beans is threaded into the <a
href="injection-in-detail.html">MasterObjectProvider service</a>. The Spring
context becomes one more place that Tapestry searches when determining the
injection for a injected field or method parameter.</p><h3
id="IntegratingwithSpringFramework-InjectingTapestryservicesinSpringbeans">Injecting
Tapestry services in Spring beans</h3>
<div class="aui-message aui-message-info">
Added in 5.2
- If you have configured Spring to allow annotation-based injection, then you
will be able to inject Tapestry services into your Spring Beans.
-
-This feature is only available when Spring ApplicationContext is not
configured and loaded externally.
-
-Inside your Spring beans, you may use
@[Inject|http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/annotations/Inject.html]
and
@[Autowired|http://static.springsource.org/spring/docs/3.0.x/javadoc-api/org/springframework/beans/factory/annotation/Autowired.html]
annotations.
-
-
+ If you have configured Spring to allow annotation-based injection, then you
will be able to inject Tapestry services into your Spring Beans. This feature
is only available when Spring ApplicationContext is not configured and loaded
externally. Inside your Spring beans, you may use
@[Inject|http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/annotations/Inject.html]
and
@[Autowired|http://static.springsource.org/spring/docs/3.0.x/javadoc-api/org/springframework/beans/factory/annotation/Autowired.html]
annotations.
</div><pre>Simply add these two annotations on top the field you want to
inject in your Spring bean.
</pre><pre>{code:language=java}</pre><pre> @Inject
@Autowired
@@ -177,7 +171,7 @@ This is accomplished by a BeanFactoryPos
<bean id="myBean" class="org.example.MyBean">
<property name="productionMode" value="${tapestry.production-mode}"/>
</bean>
-{code}</pre><h2
id="IntegratingwithSpringFramework-ApplicationContextCustomizer">ApplicationContextCustomizer</h2><p>A
chain-of-command service, <a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/spring/ApplicationContextCustomizer.html";>ApplicationContextCustomizer</a>
allows the application context, created by Tapestry, to be customized as it is
created. You may contribute your own ApplicationContextCustomizer instances as
needed.</p><h2 id="IntegratingwithSpringFramework-5.0CompatibilityMode">5.0
Compatibility Mode</h2><p>In some circumstances, it is desirable to configure
the Spring ApplicationContext externally. The context <config-param>
"tapestry.use-external-spring-context" can be configured to "true". Tapestry
will then use an existing ApplicationContext, provided by a Spring
ContextLoaderListener. You will still be able to inject Spring beans into
Tapestry components and services, and the ApplicationContext service will be
visible ... but you will not be able to inject Tapestry IoC services into
Spring beans.</p><p>This option provides compatibility with the tapestry-spring
5.0, including exposing Spring beans as Tapestry IoC services (something that
no longer occurs unless compatibility mode is enabled).</p><h2
id="IntegratingwithSpringFramework-ChangesFrom5.0">Changes From 5.0</h2><p>The
changes below represent an unfortunate backwards compatibility issue. If
necessary, you can still use tapestry-spring version 5.0.18 with the rest of
Tapestry.</p><ul class="alternate"><li>You may now use the @Inject or
@InjectService annotations inside Spring beans; these will be resolved to
Tapestry services or other objects available via the MasterObjectProvider.
Please see the <a href="integrating-with-spring-framework.html">detailed guide
to Injection</a>.</li><li>The dependency on Spring is no longer scope
"provider" and has changed to 2.5.6.</li><li>Spring Beans are no longer exposed
as services, unless 5.0
compatibility mode is enabled.</li><li>You no longer create a
ContextLoaderListener.</li></ul><h2
id="IntegratingwithSpringFramework-Limitations">Limitations</h2><p>Non-singleton
beans are not handled properly. Tapestry will request the beans from the
application context in a manner unsuitable for their life cycle. For the
moment, you should consider the non-singleton beans to be not injectable.
Instead, inject the ApplicationContext service and obtain the non-singleton
beans as needed.</p></div>
+{code}</pre><h2
id="IntegratingwithSpringFramework-ApplicationContextCustomizer">ApplicationContextCustomizer</h2><p>A
chain-of-command service, <a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/spring/ApplicationContextCustomizer.html";>ApplicationContextCustomizer</a>
allows the application context, created by Tapestry, to be customized as it is
created. You may contribute your own ApplicationContextCustomizer instances as
needed.</p><h2 id="IntegratingwithSpringFramework-5.0CompatibilityMode">5.0
Compatibility Mode</h2><p>In some circumstances, it is desirable to configure
the Spring ApplicationContext externally. The context <config-param>
"tapestry.use-external-spring-context" can be configured to "true". Tapestry
will then use an existing ApplicationContext, provided by a Spring
ContextLoaderListener. You will still be able to inject Spring beans into
Tapestry components and services, and the ApplicationContext service will be
visible ... but you will not be able to inject Tapestry IoC services into
Spring beans.</p><p>This option provides compatibility with the tapestry-spring
5.0, including exposing Spring beans as Tapestry IoC services (something that
no longer occurs unless compatibility mode is enabled).</p><h2
id="IntegratingwithSpringFramework-ChangesFrom5.0">Changes From 5.0</h2><p>The
changes below represent an unfortunate backwards compatibility issue. If
necessary, you can still use tapestry-spring version 5.0.18 with the rest of
Tapestry.</p><ul class="alternate"><li>You may now use the @Inject or
@InjectService annotations inside Spring beans; these will be resolved to
Tapestry services or other objects available via the MasterObjectProvider.
Please see the <a href="injection-in-detail.html">detailed guide to
Injection</a>.</li><li>The dependency on Spring is no longer scope "provider"
and has changed to 2.5.6.</li><li>Spring Beans are no longer exposed as
services, unless 5.0 compatibility
mode is enabled.</li><li>You no longer create a
ContextLoaderListener.</li></ul><h2
id="IntegratingwithSpringFramework-Limitations">Limitations</h2><p>Non-singleton
beans are not handled properly. Tapestry will request the beans from the
application context in a manner unsuitable for their life cycle. For the
moment, you should consider the non-singleton beans to be not injectable.
Instead, inject the ApplicationContext service and obtain the non-singleton
beans as needed.</p></div>
</div>
<div class="clearer"></div>
Modified: websites/production/tapestry/content/object-providers.html
==============================================================================
--- websites/production/tapestry/content/object-providers.html (original)
+++ websites/production/tapestry/content/object-providers.html Sun Feb 18
20:20:09 2018
@@ -75,17 +75,17 @@
</div>
<div id="content">
- <div id="ConfluenceContent"><p>When you don't provide the @<a
class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/annotations/InjectService.html";>InjectService</a>
annotation on a parameter (to a service builder method or constructor),
Tapestry will resolve the parameter automatically.</p><p>This is called
<em>object injection</em>, rather than <em>service injection</em>, because the
value that will ultimately be injected is not necessarily a service; it may be
some arbitrary object.</p><p>If this sounds vague, its because there is not
just one <a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/ObjectProvider.html";>ObjectProvider</a>;
there's a whole set of them, forming a <a href="object-providers.html">chain
of command</a>. The commands in the chain may provide an object based on the
parameter type, or based on additional annotations on the
parameter.</p><p>There are seve
ral built-in object providers:</p><ul><li>Check for @<a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/annotations/Value.html";>Value</a>
annotation</li><li>Check for @<a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/annotations/Symbol.html";>Symbol</a>
annotation</li><li>Check for a <em>unique</em> service in the Registry whose
service interface matches the parameter type<br clear="none"> Usually, the
@Inject annotation is supplemented by an additional annotation which triggers a
specific ObjectProvider to provide the value.</li></ul><h1
id="ObjectProviders-@ValueAnnotationProvider">@Value Annotation
Provider</h1><p>The Value annotation allows a literal value to be injected.
When combined with <a href="object-providers.html">symbols</a>, they represent
a way for parts of the overall service network to be spot-configured. For
example:</p><div class="code panel pdl" style="border-width
: 1px;"><div class="codeContent panelContent pdl">
+ <div id="ConfluenceContent"><p>When you don't provide the @<a
class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/annotations/InjectService.html";>InjectService</a>
annotation on a parameter (to a service builder method or constructor),
Tapestry will resolve the parameter automatically.</p><p>This is called
<em>object injection</em>, rather than <em>service injection</em>, because the
value that will ultimately be injected is not necessarily a service; it may be
some arbitrary object.</p><p>If this sounds vague, its because there is not
just one <a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/ObjectProvider.html";>ObjectProvider</a>;
there's a whole set of them, forming a <a
href="chainbuilder-service.html">chain of command</a>. The commands in the
chain may provide an object based on the parameter type, or based on additional
annotations on the parameter.</p><p>There are
several built-in object providers:</p><ul><li>Check for @<a
class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/annotations/Value.html";>Value</a>
annotation</li><li>Check for @<a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/annotations/Symbol.html";>Symbol</a>
annotation</li><li>Check for a <em>unique</em> service in the Registry whose
service interface matches the parameter type<br clear="none"> Usually, the
@Inject annotation is supplemented by an additional annotation which triggers a
specific ObjectProvider to provide the value.</li></ul><h1
id="ObjectProviders-@ValueAnnotationProvider">@Value Annotation
Provider</h1><p>The Value annotation allows a literal value to be injected.
When combined with <a href="object-providers.html">symbols</a>, they represent
a way for parts of the overall service network to be spot-configured. For
example:</p><div class="code panel pdl" style="border-w
idth: 1px;"><div class="codeContent panelContent pdl">
<pre class="brush: java; gutter: false; theme: Default"
style="font-size:12px;"> public MyService build(@Value("${max-seconds}") long
maxSeconds)
{
return new MyServiceImpl(maxSeconds);
}</pre>
-</div></div><p>Here, the MyService service requires a configuration of a
number of seconds. The value is supplied as a symbol, with a factory default
that may be overwritten with an application default.</p><p>Usually, the symbol
reference is only part of the string, i.e. <code>@Value("${report.dir}/${<a
class="external-link" href="http://report.name";
rel="nofollow">report.name</a>}.txt")</code></p><h1
id="ObjectProviders-@SymbolAnnotationProvider">@Symbol Annotation
Provider</h1><p>This is closely related to the @Value annotation approach,
except that the annotation directly specifies a symbol name.</p><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
+</div></div><p>Here, the MyService service requires a configuration of a
number of seconds. The value is supplied as a symbol, with a factory default
that may be overwritten with an application default.</p><p>Usually, the symbol
reference is only part of the string, i.e.
<code>@Value("${report.dir}/${report.name}.txt")</code></p><h1
id="ObjectProviders-@SymbolAnnotationProvider">@Symbol Annotation
Provider</h1><p>This is closely related to the @Value annotation approach,
except that the annotation directly specifies a symbol name.</p><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
<pre class="brush: java; gutter: false; theme: Default"
style="font-size:12px;"> public MyService build(@Symbol("max-seconds") long
maxSeconds)
{
return new MyServiceImpl(maxSeconds);
}</pre>
-</div></div><h1 id="ObjectProviders-ServiceProvider">Service
Provider</h1><p>This is always that last object provider checked.</p><p>A
<em>single</em> service must exist whose service interface matches the
parameter type. This is <em>not</em> an exact match: a search is made for any
and all services whose service interface is a super class of the parameter
type.</p><p>An exception is thrown if there are no matches, or if there are
multiple matches.</p><h1 id="ObjectProviders-AliasObjectProvider">Alias Object
Provider</h1><p>The tapestry-core module defines the <a
href="object-providers.html">Alias object provider</a>, which is used as a way
to override services or disambiguate services (when multiple services implement
the same interface).</p><h1 id="ObjectProviders-DefiningNewProviders">Defining
New Providers</h1><p>New providers can be specified by contributing to the
MasterObjectProvider service's configuration. The configuration is mapped, with
the keys being the provider prefi
x, and the values being the object provider
implementation.</p><p>Example:</p><div class="code panel pdl"
style="border-width: 1px;"><div class="codeContent panelContent pdl">
+</div></div><h1 id="ObjectProviders-ServiceProvider">Service
Provider</h1><p>This is always that last object provider checked.</p><p>A
<em>single</em> service must exist whose service interface matches the
parameter type. This is <em>not</em> an exact match: a search is made for any
and all services whose service interface is a super class of the parameter
type.</p><p>An exception is thrown if there are no matches, or if there are
multiple matches.</p><h1 id="ObjectProviders-AliasObjectProvider">Alias Object
Provider</h1><p>The tapestry-core module defines the <a
href="aliases.html">Alias object provider</a>, which is used as a way to
override services or disambiguate services (when multiple services implement
the same interface).</p><h1 id="ObjectProviders-DefiningNewProviders">Defining
New Providers</h1><p>New providers can be specified by contributing to the
MasterObjectProvider service's configuration. The configuration is mapped, with
the keys being the provider prefix, and th
e values being the object provider implementation.</p><p>Example:</p><div
class="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
<pre class="brush: java; gutter: false; theme: Default"
style="font-size:12px;"> public void
contributeMasterObjectProvider(OrderedConfiguration<ObjectProvider>
configuration)
{
configuration.add("MyObject", new MyObjectProvider());
Modified: websites/production/tapestry/content/operation-tracker.html
==============================================================================
--- websites/production/tapestry/content/operation-tracker.html (original)
+++ websites/production/tapestry/content/operation-tracker.html Sun Feb 18
20:20:09 2018
@@ -109,10 +109,10 @@
</div>
-<p>The <a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/OperationTracker.html";>OperationTracker</a>
is a resource; it's actually a singleton, and is available for injection into
any IoC service (or Tapestry component).</p><p>Using the OperationTracker you
may run a Runnable, or invoke an Invokable (returning a typed response).
 Associated with the operation is a description string.</p><p>If there are
no exceptions, then no problem.</p><p>If there  are exceptions, then
you'll see the console output logged at the point of the
exception:</p><pre></pre><p>qtp644826761-13 [ERROR] Registry Operations
trace:<br clear="none">qtp644826761-13 [ERROR] Registry [ 1] Handling page
render request for page DatumEditor<br clear="none">qtp644826761-13 [ERROR]
Registry [ 2] Constructing instance of page class
org.apache.tapestry5.integration.app1.pages.DatumEditor<br
clear="none">qtp644826761-13 [ERROR] Registry [ 3] Assembling root compone
nt for page DatumEditor<br clear="none">qtp644826761-13 [ERROR] Registry [ 4]
Running component class transformations on
org.apache.tapestry5.integration.app1.pages.Datum<br
clear="none">qtp644826761-13 [ERROR] RequestExceptionHandler Processing of
request failed with uncaught exception: java.lang.RuntimeException: Exception
assembling root component of page DatumEditor: Unable to instantiate instance
of transformed class org.apache.tapestry5.integration.app1.pages.DatumEditor:
java.lang.reflect.InvocationTargetException<br
clear="none">java.lang.RuntimeException: Exception assembling root component of
page DatumEditor: Unable to instantiate instance of transformed class
org.apache.tapestry5.integration.app1.pages.DatumEditor:
java.lang.reflect.InvocationTargetException<br clear="none">at
org.apache.tapestry5.internal.pageload.ComponentAssemblerImpl.performAssembleRootComponent(ComponentAssemblerImpl.<a
class="external-link" href="http://java:129"; rel="nofollow">java:129</a>)<br
cl
ear="none">at
org.apache.tapestry5.internal.pageload.ComponentAssemblerImpl.access$000(ComponentAssemblerImpl.java:37)<br
clear="none">at
org.apache.tapestry5.internal.pageload.ComponentAssemblerImpl$1.invoke(ComponentAssemblerImpl.java:81)<br
clear="none">at
org.apache.tapestry5.internal.pageload.ComponentAssemblerImpl$1.invoke(ComponentAssemblerImpl.java:78)<br
clear="none">at
org.apache.tapestry5.ioc.internal.OperationTrackerImpl.invoke(OperationTrackerImpl.java:82)<br
clear="none">at
org.apache.tapestry5.ioc.internal.PerThreadOperationTracker.invoke(PerThreadOperationTracker.java:72)<br
clear="none">at
org.apache.tapestry5.ioc.internal.RegistryImpl.invoke(RegistryImpl.<a
class="external-link" href="http://java:1258"; rel="nofollow">java:1258</a>)<br
clear="none">at
org.apache.tapestry5.internal.pageload.ComponentAssemblerImpl.assembleRootComponent(ComponentAssemblerImpl.java:76)<br
clear="none">at
org.apache.tapestry5.internal.pageload.PageLoaderImpl$3.invoke(PageLoaderImpl.<a
class="external-link" href="http://java:197"; rel="nofollow">java:197</a>)<br
clear="none">at
org.apache.tapestry5.internal.pageload.PageLoaderImpl$3.invoke(PageLoaderImpl.<a
class="external-link" href="http://java:190"; rel="nofollow">java:190</a>)<br
clear="none">at
org.apache.tapestry5.ioc.internal.OperationTrackerImpl.invoke(OperationTrackerImpl.java:82)<br
clear="none">at
org.apache.tapestry5.ioc.internal.PerThreadOperationTracker.invoke(PerThreadOperationTracker.java:72)<br
clear="none">at
org.apache.tapestry5.ioc.internal.RegistryImpl.invoke(RegistryImpl.<a
class="external-link" href="http://java:1258"; rel="nofollow">java:1258</a>)<br
clear="none">at
org.apache.tapestry5.internal.pageload.PageLoaderImpl.loadPage(PageLoaderImpl.<a
class="external-link" href="http://java:189"; rel="nofollow">java:189</a>)<br
clear="none">at $PageLoader_13a0346ec83c4e52.loadPage(Unknown Source)<br
clear="none">at
org.apache.tapestry5.internal.services.PageSourceImpl.getPage(PageSourceImpl.<a
cl
ass="external-link" href="http://java:104"; rel="nofollow">java:104</a>)<br
clear="none">at $PageSource_13a0346ec83c4e51.getPage(Unknown Source)<br
clear="none">at $PageSource_13a0346ec83c4e50.getPage(Unknown Source)<br
clear="none">at
org.apache.tapestry5.internal.services.RequestPageCacheImpl.get(RequestPageCacheImpl.java:86)<br
clear="none">at $RequestPageCache_13a0346ec83c4e4f.get(Unknown Source)<br
clear="none">at $RequestPageCache_13a0346ec83c4e4e.get(Unknown Source)<br
clear="none">at
org.apache.tapestry5.internal.services.PageRenderRequestHandlerImpl.handle(PageRenderRequestHandlerImpl.java:56)<br
clear="none">at
org.apache.tapestry5.modules.TapestryModule$34.handle(TapestryModule.<a
class="external-link" href="http://java:1978"; rel="nofollow">java:1978</a>)<br
clear="none">at $PageRenderRequestHandler_13a0346ec83c4f9c.handle(Unknown
Source)<br clear="none">at
$PageRenderRequestHandler_13a0346ec83c4f97.handle(Unknown Source)<br
clear="none">at org.apache.tapestry5.internal.s
ervices.ComponentRequestHandlerTerminator.handlePageRender(ComponentRequestHandlerTerminator.java:48)<br
clear="none">at
org.apache.tapestry5.internal.services.DeferredResponseRenderer.handlePageRender(DeferredResponseRenderer.java:52)<br
clear="none">at
$ComponentRequestFilter_13a0346ec83c4f95.handlePageRender(Unknown Source)<br
clear="none">at
$ComponentRequestHandler_13a0346ec83c4f98.handlePageRender(Unknown Source)<br
clear="none">at
org.apache.tapestry5.services.InitializeActivePageName.handlePageRender(InitializeActivePageName.java:47)<br
clear="none">at
$ComponentRequestFilter_13a0346ec83c4f94.handlePageRender(Unknown Source)<br
clear="none">at
$ComponentRequestHandler_13a0346ec83c4f98.handlePageRender(Unknown Source)<br
clear="none">at
org.apache.tapestry5.internal.services.ProductionModeUnknownComponentFilter.handlePageRender(ProductionModeUnknownComponentFilter.java:62)<br
clear="none">at
$ComponentRequestFilter_13a0346ec83c4f93.handlePageRender(Unknown Source)<br
clear="n
one">at $ComponentRequestHandler_13a0346ec83c4f98.handlePageRender(Unknown
Source)<br clear="none">at
org.apache.tapestry5.internal.services.RequestOperationTracker$2.run(RequestOperationTracker.java:73)<br
clear="none">at
org.apache.tapestry5.ioc.internal.OperationTrackerImpl.run(OperationTrackerImpl.java:56)<br
clear="none">at
org.apache.tapestry5.ioc.internal.PerThreadOperationTracker.run(PerThreadOperationTracker.java:60)<br
clear="none">at
org.apache.tapestry5.ioc.internal.RegistryImpl.run(RegistryImpl.<a
class="external-link" href="http://java:1252"; rel="nofollow">java:1252</a>)<br
clear="none">at
org.apache.tapestry5.internal.services.RequestOperationTracker.handlePageRender(RequestOperationTracker.java:66)<br
clear="none">at
$ComponentRequestFilter_13a0346ec83c4f92.handlePageRender(Unknown Source)<br
clear="none">at
$ComponentRequestHandler_13a0346ec83c4f98.handlePageRender(Unknown Source)<br
clear="none">at
$ComponentRequestHandler_13a0346ec83c4f81.handlePageRender(Unknown
Source)<br clear="none">at
org.apache.tapestry5.internal.services.PageRenderDispatcher.dispatch(PageRenderDispatcher.java:52)<br
clear="none">at $Dispatcher_13a0346ec83c4f7f.dispatch(Unknown Source)<br
clear="none">at $Dispatcher_13a0346ec83c4f80.dispatch(Unknown Source)<br
clear="none">at $Dispatcher_13a0346ec83c4f74.dispatch(Unknown Source)<br
clear="none">at
org.apache.tapestry5.modules.TapestryModule$RequestHandlerTerminator.service(TapestryModule.<a
class="external-link" href="http://java:304"; rel="nofollow">java:304</a>)<br
clear="none">at
org.apache.tapestry5.internal.services.RequestErrorFilter.service(RequestErrorFilter.java:26)<br
clear="none">at $RequestFilter_13a0346ec83c4f73.service(Unknown Source)<br
clear="none">at $RequestHandler_13a0346ec83c4f75.service(Unknown Source)<br
clear="none">at
org.apache.tapestry5.modules.TapestryModule$3.service(TapestryModule.<a
class="external-link" href="http://java:854"; rel="nofollow">java:854</a>)<br
clear="none">at $RequestHandl
er_13a0346ec83c4f75.service(Unknown Source)<br clear="none">at
org.apache.tapestry5.modules.TapestryModule$2.service(TapestryModule.<a
class="external-link" href="http://java:844"; rel="nofollow">java:844</a>)<br
clear="none">at $RequestHandler_13a0346ec83c4f75.service(Unknown Source)<br
clear="none">at
org.apache.tapestry5.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:89)<br
clear="none">at $RequestHandler_13a0346ec83c4f75.service(Unknown Source)<br
clear="none">at
org.apache.tapestry5.integration.app1.services.AppModule$2.service(AppModule.<a
class="external-link" href="http://java:111"; rel="nofollow">java:111</a>)<br
clear="none">at $RequestFilter_13a0346ec83c4f71.service(Unknown Source)<br
clear="none">at $RequestHandler_13a0346ec83c4f75.service(Unknown Source)<br
clear="none">at $RequestHandler_13a0346ec83c4f6a.service(Unknown Source)<br
clear="none">at
org.apache.tapestry5.modules.TapestryModule$HttpServletRequestHandlerTerminator.service(TapestryModule.<
a class="external-link" href="http://java:255";
rel="nofollow">java:255</a>)<br clear="none">at
org.apache.tapestry5.internal.gzip.GZipFilter.service(GZipFilter.java:59)<br
clear="none">at $HttpServletRequestHandler_13a0346ec83c4f6c.service(Unknown
Source)<br clear="none">at
org.apache.tapestry5.internal.services.IgnoredPathsFilter.service(IgnoredPathsFilter.java:62)<br
clear="none">at $HttpServletRequestFilter_13a0346ec83c4f6d.service(Unknown
Source)<br clear="none">at
$HttpServletRequestFilter_13a0346ec83c4f68.service(Unknown Source)<br
clear="none">at $HttpServletRequestHandler_13a0346ec83c4f6c.service(Unknown
Source)<br clear="none">at
org.apache.tapestry5.modules.TapestryModule$1.service(TapestryModule.<a
class="external-link" href="http://java:804"; rel="nofollow">java:804</a>)<br
clear="none">at $HttpServletRequestHandler_13a0346ec83c4f6c.service(Unknown
Source)<br clear="none">at
$HttpServletRequestHandler_13a0346ec83c4f67.service(Unknown Source)<br
clear="none">at org.apach
e.tapestry5.TapestryFilter.doFilter(TapestryFilter.<a class="external-link"
href="http://java:166"; rel="nofollow">java:166</a>)<br clear="none">at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.<a
class="external-link" href="http://java:1291"; rel="nofollow">java:1291</a>)<br
clear="none">at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.<a
class="external-link" href="http://java:443"; rel="nofollow">java:443</a>)<br
clear="none">at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.<a
class="external-link" href="http://java:137"; rel="nofollow">java:137</a>)<br
clear="none">at
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.<a
class="external-link" href="http://java:556"; rel="nofollow">java:556</a>)<br
clear="none">at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.<a
class="external-link" href="http://java:227"; rel="nofollow">java:227</a>)<br
clear="none">at org.eclipse.je
tty.server.handler.ContextHandler.doHandle(ContextHandler.<a
class="external-link" href="http://java:1044"; rel="nofollow">java:1044</a>)<br
clear="none">at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.<a
class="external-link" href="http://java:372"; rel="nofollow">java:372</a>)<br
clear="none">at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.<a
class="external-link" href="http://java:189"; rel="nofollow">java:189</a>)<br
clear="none">at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.<a
class="external-link" href="http://java:978"; rel="nofollow">java:978</a>)<br
clear="none">at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.<a
class="external-link" href="http://java:135"; rel="nofollow">java:135</a>)<br
clear="none">at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.<a
class="external-link" href="http://java:116"; rel="nofollow">java:116</a>)<br
clear="none">at org.eclipse
.jetty.server.Server.handle(Server.<a class="external-link"
href="http://java:369"; rel="nofollow">java:369</a>)<br clear="none">at
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.<a
class="external-link" href="http://java:486"; rel="nofollow">java:486</a>)<br
clear="none">at
org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.<a
class="external-link" href="http://java:933"; rel="nofollow">java:933</a>)<br
clear="none">at
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.<a
class="external-link" href="http://java:995"; rel="nofollow">java:995</a>)<br
clear="none">at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.<a
class="external-link" href="http://java:644"; rel="nofollow">java:644</a>)<br
clear="none">at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.<a
class="external-link" href="http://java:235"; rel="nofollow">java:235</a>)<br
clear="no
ne">at
org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)<br
clear="none">at <a class="external-link" href="http://org.eclipse.jetty.io";
rel="nofollow">org.eclipse.jetty.io</a>.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.<a
class="external-link" href="http://java:668"; rel="nofollow">java:668</a>)<br
clear="none">at <a class="external-link" href="http://org.eclipse.jetty.io";
rel="nofollow">org.eclipse.jetty.io</a>.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)<br
clear="none">at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.<a
class="external-link" href="http://java:608"; rel="nofollow">java:608</a>)<br
clear="none">at
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.<a
class="external-link" href="http://java:543"; rel="nofollow">java:543</a>)<br
clear="none">at java.lang.Thread.run(Thread.<a class="external-link"
href="http://java:724"; rel="nofollow">java:724</a>)<br clear="non
e">Caused by: java.lang.RuntimeException: Unable to instantiate instance of
transformed class org.apache.tapestry5.integration.app1.pages.DatumEditor:
java.lang.reflect.InvocationTargetException<br clear="none">at
org.apache.tapestry5.internal.plastic.ClassInstantiatorImpl.newInstance(ClassInstantiatorImpl.<a
class="external-link" href="http://java:113"; rel="nofollow">java:113</a>)<br
clear="none">at
org.apache.tapestry5.internal.services.ComponentInstantiatorSourceImpl$2$1.newInstance(ComponentInstantiatorSourceImpl.<a
class="external-link" href="http://java:235"; rel="nofollow">java:235</a>)<br
clear="none">at
org.apache.tapestry5.internal.structure.InternalComponentResourcesImpl.<init>(InternalComponentResourcesImpl.<a
class="external-link" href="http://java:163"; rel="nofollow">java:163</a>)<br
clear="none">at
org.apache.tapestry5.internal.structure.ComponentPageElementImpl.<init>(ComponentPageElementImpl.<a
class="external-link" href="http://java:555"; rel="nofollo
w">java:555</a>)<br clear="none">at
org.apache.tapestry5.internal.structure.ComponentPageElementImpl.<init>(ComponentPageElementImpl.<a
class="external-link" href="http://java:579"; rel="nofollow">java:579</a>)<br
clear="none">at
org.apache.tapestry5.internal.pageload.ComponentAssemblerImpl.performAssembleRootComponent(ComponentAssemblerImpl.java:97)<br
clear="none">... 94 more<br clear="none">Caused by:
java.lang.reflect.InvocationTargetException<br clear="none">at
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)<br
clear="none">at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)<br
clear="none">at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)<br
clear="none">at java.lang.reflect.Constructor.newInstance(Constructor.<a
class="external-link" href="http://java:526"; rel="nofollow">java:526</a>)<br
clear="none">at org.apache.tapestry5.internal.plastic.ClassInsta
ntiatorImpl.newInstance(ClassInstantiatorImpl.<a class="external-link"
href="http://java:109"; rel="nofollow">java:109</a>)<br clear="none">... 99
more<br clear="none">Caused by:
org.apache.tapestry5.ioc.internal.OperationException: Field _value of class
org.apache.tapestry5.integration.app1.pages.Datum must be instrumented, and may
not be public.<br clear="none">at
org.apache.tapestry5.ioc.internal.OperationTrackerImpl.logAndRethrow(OperationTrackerImpl.<a
class="external-link" href="http://java:184"; rel="nofollow">java:184</a>)<br
clear="none">at
org.apache.tapestry5.ioc.internal.OperationTrackerImpl.run(OperationTrackerImpl.java:62)<br
clear="none">at
org.apache.tapestry5.ioc.internal.PerThreadOperationTracker.run(PerThreadOperationTracker.java:60)<br
clear="none">at
org.apache.tapestry5.ioc.internal.RegistryImpl.run(RegistryImpl.<a
class="external-link" href="http://java:1252"; rel="nofollow">java:1252</a>)<br
clear="none">at org.apache.tapestry5.internal.services.ComponentInst
antiatorSourceImpl.transform(ComponentInstantiatorSourceImpl.<a
class="external-link" href="http://java:266"; rel="nofollow">java:266</a>)<br
clear="none">at
org.apache.tapestry5.internal.plastic.PlasticClassPool.loadAndTransformClass(PlasticClassPool.<a
class="external-link" href="http://java:368"; rel="nofollow">java:368</a>)<br
clear="none">at
org.apache.tapestry5.internal.plastic.PlasticClassLoader.loadClass(PlasticClassLoader.java:38)<br
clear="none">at java.lang.ClassLoader.loadClass(ClassLoader.<a
class="external-link" href="http://java:357"; rel="nofollow">java:357</a>)<br
clear="none">at
org.apache.tapestry5.integration.app1.pages.DatumEditor.initializeInstance(DatumEditor.java:22)<br
clear="none">at
org.apache.tapestry5.integration.app1.pages.DatumEditor.<init>(DatumEditor.java)<br
clear="none">... 104 more<br clear="none">Caused by:
java.lang.IllegalArgumentException: Field _value of class
org.apache.tapestry5.integration.app1.pages.Datum must be instrumented, and m
ay not be public.<br clear="none">at
org.apache.tapestry5.internal.plastic.PlasticFieldImpl.ensureNotPublic(PlasticFieldImpl.<a
class="external-link" href="http://java:166"; rel="nofollow">java:166</a>)<br
clear="none">at
org.apache.tapestry5.internal.plastic.PlasticFieldImpl.replaceFieldReadAccess(PlasticFieldImpl.<a
class="external-link" href="http://java:423"; rel="nofollow">java:423</a>)<br
clear="none">at
org.apache.tapestry5.internal.plastic.PlasticFieldImpl.setComputedConduit(PlasticFieldImpl.<a
class="external-link" href="http://java:292"; rel="nofollow">java:292</a>)<br
clear="none">at
org.apache.tapestry5.internal.transform.UnclaimedFieldWorker.transformField(UnclaimedFieldWorker.java:99)<br
clear="none">at
org.apache.tapestry5.internal.transform.UnclaimedFieldWorker.transform(UnclaimedFieldWorker.java:88)<br
clear="none">at
$ComponentClassTransformWorker2_13a0346ec83c4e9a.transform(Unknown Source)<br
clear="none">at $ComponentClassTransformWorker2_13a0346ec83c4e9c.transfo
rm(Unknown Source)<br clear="none">at
$ComponentClassTransformWorker2_13a0346ec83c4e7f.transform(Unknown Source)<br
clear="none">at
org.apache.tapestry5.internal.services.ComponentInstantiatorSourceImpl$3.run(ComponentInstantiatorSourceImpl.<a
class="external-link" href="http://java:316"; rel="nofollow">java:316</a>)<br
clear="none">at
org.apache.tapestry5.ioc.internal.OperationTrackerImpl.run(OperationTrackerImpl.java:56)<br
clear="none">... 112 more</p>
+<p>The <a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/OperationTracker.html";>OperationTracker</a>
is a resource; it's actually a singleton, and is available for injection into
any IoC service (or Tapestry component).</p><p>Using the OperationTracker you
may run a Runnable, or invoke an Invokable (returning a typed response).
 Associated with the operation is a description string.</p><p>If there are
no exceptions, then no problem.</p><p>If there  are exceptions, then
you'll see the console output logged at the point of the
exception:</p><pre></pre><p>qtp644826761-13 [ERROR] Registry Operations
trace:<br clear="none">qtp644826761-13 [ERROR] Registry [ 1] Handling page
render request for page DatumEditor<br clear="none">qtp644826761-13 [ERROR]
Registry [ 2] Constructing instance of page class
org.apache.tapestry5.integration.app1.pages.DatumEditor<br
clear="none">qtp644826761-13 [ERROR] Registry [ 3] Assembling root compone
nt for page DatumEditor<br clear="none">qtp644826761-13 [ERROR] Registry [ 4]
Running component class transformations on
org.apache.tapestry5.integration.app1.pages.Datum<br
clear="none">qtp644826761-13 [ERROR] RequestExceptionHandler Processing of
request failed with uncaught exception: java.lang.RuntimeException: Exception
assembling root component of page DatumEditor: Unable to instantiate instance
of transformed class org.apache.tapestry5.integration.app1.pages.DatumEditor:
java.lang.reflect.InvocationTargetException<br
clear="none">java.lang.RuntimeException: Exception assembling root component of
page DatumEditor: Unable to instantiate instance of transformed class
org.apache.tapestry5.integration.app1.pages.DatumEditor:
java.lang.reflect.InvocationTargetException<br clear="none">at
org.apache.tapestry5.internal.pageload.ComponentAssemblerImpl.performAssembleRootComponent(ComponentAssemblerImpl.java:129)<br
clear="none">at org.apache.tapestry5.internal.pageload.ComponentAssemb
lerImpl.access$000(ComponentAssemblerImpl.java:37)<br clear="none">at
org.apache.tapestry5.internal.pageload.ComponentAssemblerImpl$1.invoke(ComponentAssemblerImpl.java:81)<br
clear="none">at
org.apache.tapestry5.internal.pageload.ComponentAssemblerImpl$1.invoke(ComponentAssemblerImpl.java:78)<br
clear="none">at
org.apache.tapestry5.ioc.internal.OperationTrackerImpl.invoke(OperationTrackerImpl.java:82)<br
clear="none">at
org.apache.tapestry5.ioc.internal.PerThreadOperationTracker.invoke(PerThreadOperationTracker.java:72)<br
clear="none">at
org.apache.tapestry5.ioc.internal.RegistryImpl.invoke(RegistryImpl.java:1258)<br
clear="none">at
org.apache.tapestry5.internal.pageload.ComponentAssemblerImpl.assembleRootComponent(ComponentAssemblerImpl.java:76)<br
clear="none">at
org.apache.tapestry5.internal.pageload.PageLoaderImpl$3.invoke(PageLoaderImpl.java:197)<br
clear="none">at
org.apache.tapestry5.internal.pageload.PageLoaderImpl$3.invoke(PageLoaderImpl.java:190)<br
clear="none">at org.a
pache.tapestry5.ioc.internal.OperationTrackerImpl.invoke(OperationTrackerImpl.java:82)<br
clear="none">at
org.apache.tapestry5.ioc.internal.PerThreadOperationTracker.invoke(PerThreadOperationTracker.java:72)<br
clear="none">at
org.apache.tapestry5.ioc.internal.RegistryImpl.invoke(RegistryImpl.java:1258)<br
clear="none">at
org.apache.tapestry5.internal.pageload.PageLoaderImpl.loadPage(PageLoaderImpl.java:189)<br
clear="none">at $PageLoader_13a0346ec83c4e52.loadPage(Unknown Source)<br
clear="none">at
org.apache.tapestry5.internal.services.PageSourceImpl.getPage(PageSourceImpl.java:104)<br
clear="none">at $PageSource_13a0346ec83c4e51.getPage(Unknown Source)<br
clear="none">at $PageSource_13a0346ec83c4e50.getPage(Unknown Source)<br
clear="none">at
org.apache.tapestry5.internal.services.RequestPageCacheImpl.get(RequestPageCacheImpl.java:86)<br
clear="none">at $RequestPageCache_13a0346ec83c4e4f.get(Unknown Source)<br
clear="none">at $RequestPageCache_13a0346ec83c4e4e.get(Unknown Source)<b
r clear="none">at
org.apache.tapestry5.internal.services.PageRenderRequestHandlerImpl.handle(PageRenderRequestHandlerImpl.java:56)<br
clear="none">at
org.apache.tapestry5.modules.TapestryModule$34.handle(TapestryModule.java:1978)<br
clear="none">at $PageRenderRequestHandler_13a0346ec83c4f9c.handle(Unknown
Source)<br clear="none">at
$PageRenderRequestHandler_13a0346ec83c4f97.handle(Unknown Source)<br
clear="none">at
org.apache.tapestry5.internal.services.ComponentRequestHandlerTerminator.handlePageRender(ComponentRequestHandlerTerminator.java:48)<br
clear="none">at
org.apache.tapestry5.internal.services.DeferredResponseRenderer.handlePageRender(DeferredResponseRenderer.java:52)<br
clear="none">at
$ComponentRequestFilter_13a0346ec83c4f95.handlePageRender(Unknown Source)<br
clear="none">at
$ComponentRequestHandler_13a0346ec83c4f98.handlePageRender(Unknown Source)<br
clear="none">at
org.apache.tapestry5.services.InitializeActivePageName.handlePageRender(InitializeActivePageName.java:47)
<br clear="none">at
$ComponentRequestFilter_13a0346ec83c4f94.handlePageRender(Unknown Source)<br
clear="none">at
$ComponentRequestHandler_13a0346ec83c4f98.handlePageRender(Unknown Source)<br
clear="none">at
org.apache.tapestry5.internal.services.ProductionModeUnknownComponentFilter.handlePageRender(ProductionModeUnknownComponentFilter.java:62)<br
clear="none">at
$ComponentRequestFilter_13a0346ec83c4f93.handlePageRender(Unknown Source)<br
clear="none">at
$ComponentRequestHandler_13a0346ec83c4f98.handlePageRender(Unknown Source)<br
clear="none">at
org.apache.tapestry5.internal.services.RequestOperationTracker$2.run(RequestOperationTracker.java:73)<br
clear="none">at
org.apache.tapestry5.ioc.internal.OperationTrackerImpl.run(OperationTrackerImpl.java:56)<br
clear="none">at
org.apache.tapestry5.ioc.internal.PerThreadOperationTracker.run(PerThreadOperationTracker.java:60)<br
clear="none">at
org.apache.tapestry5.ioc.internal.RegistryImpl.run(RegistryImpl.java:1252)<br
clear="none">at org.
apache.tapestry5.internal.services.RequestOperationTracker.handlePageRender(RequestOperationTracker.java:66)<br
clear="none">at
$ComponentRequestFilter_13a0346ec83c4f92.handlePageRender(Unknown Source)<br
clear="none">at
$ComponentRequestHandler_13a0346ec83c4f98.handlePageRender(Unknown Source)<br
clear="none">at
$ComponentRequestHandler_13a0346ec83c4f81.handlePageRender(Unknown Source)<br
clear="none">at
org.apache.tapestry5.internal.services.PageRenderDispatcher.dispatch(PageRenderDispatcher.java:52)<br
clear="none">at $Dispatcher_13a0346ec83c4f7f.dispatch(Unknown Source)<br
clear="none">at $Dispatcher_13a0346ec83c4f80.dispatch(Unknown Source)<br
clear="none">at $Dispatcher_13a0346ec83c4f74.dispatch(Unknown Source)<br
clear="none">at
org.apache.tapestry5.modules.TapestryModule$RequestHandlerTerminator.service(TapestryModule.java:304)<br
clear="none">at
org.apache.tapestry5.internal.services.RequestErrorFilter.service(RequestErrorFilter.java:26)<br
clear="none">at $RequestFilter_13
a0346ec83c4f73.service(Unknown Source)<br clear="none">at
$RequestHandler_13a0346ec83c4f75.service(Unknown Source)<br clear="none">at
org.apache.tapestry5.modules.TapestryModule$3.service(TapestryModule.java:854)<br
clear="none">at $RequestHandler_13a0346ec83c4f75.service(Unknown Source)<br
clear="none">at
org.apache.tapestry5.modules.TapestryModule$2.service(TapestryModule.java:844)<br
clear="none">at $RequestHandler_13a0346ec83c4f75.service(Unknown Source)<br
clear="none">at
org.apache.tapestry5.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:89)<br
clear="none">at $RequestHandler_13a0346ec83c4f75.service(Unknown Source)<br
clear="none">at
org.apache.tapestry5.integration.app1.services.AppModule$2.service(AppModule.java:111)<br
clear="none">at $RequestFilter_13a0346ec83c4f71.service(Unknown Source)<br
clear="none">at $RequestHandler_13a0346ec83c4f75.service(Unknown Source)<br
clear="none">at $RequestHandler_13a0346ec83c4f6a.service(Unknown Source)<br
clear="none
">at
org.apache.tapestry5.modules.TapestryModule$HttpServletRequestHandlerTerminator.service(TapestryModule.java:255)<br
clear="none">at
org.apache.tapestry5.internal.gzip.GZipFilter.service(GZipFilter.java:59)<br
clear="none">at $HttpServletRequestHandler_13a0346ec83c4f6c.service(Unknown
Source)<br clear="none">at
org.apache.tapestry5.internal.services.IgnoredPathsFilter.service(IgnoredPathsFilter.java:62)<br
clear="none">at $HttpServletRequestFilter_13a0346ec83c4f6d.service(Unknown
Source)<br clear="none">at
$HttpServletRequestFilter_13a0346ec83c4f68.service(Unknown Source)<br
clear="none">at $HttpServletRequestHandler_13a0346ec83c4f6c.service(Unknown
Source)<br clear="none">at
org.apache.tapestry5.modules.TapestryModule$1.service(TapestryModule.java:804)<br
clear="none">at $HttpServletRequestHandler_13a0346ec83c4f6c.service(Unknown
Source)<br clear="none">at
$HttpServletRequestHandler_13a0346ec83c4f67.service(Unknown Source)<br
clear="none">at org.apache.tapestry5.TapestryFilter.
doFilter(TapestryFilter.java:166)<br clear="none">at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1291)<br
clear="none">at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:443)<br
clear="none">at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)<br
clear="none">at
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:556)<br
clear="none">at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:227)<br
clear="none">at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1044)<br
clear="none">at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:372)<br
clear="none">at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:189)<br
clear="none">at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:978)<br
clear="none">at org.eclipse.jetty.server.handler.ScopedHandler.handle(S
copedHandler.java:135)<br clear="none">at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)<br
clear="none">at org.eclipse.jetty.server.Server.handle(Server.java:369)<br
clear="none">at
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:486)<br
clear="none">at
org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:933)<br
clear="none">at
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:995)<br
clear="none">at
org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)<br
clear="none">at
org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)<br
clear="none">at
org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)<br
clear="none">at
org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668)<br
clear="none">at org.eclipse.jetty.io.nio.SelectChannelEndPoi
nt$1.run(SelectChannelEndPoint.java:52)<br clear="none">at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)<br
clear="none">at
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)<br
clear="none">at java.lang.Thread.run(Thread.java:724)<br clear="none">Caused
by: java.lang.RuntimeException: Unable to instantiate instance of transformed
class org.apache.tapestry5.integration.app1.pages.DatumEditor:
java.lang.reflect.InvocationTargetException<br clear="none">at
org.apache.tapestry5.internal.plastic.ClassInstantiatorImpl.newInstance(ClassInstantiatorImpl.java:113)<br
clear="none">at
org.apache.tapestry5.internal.services.ComponentInstantiatorSourceImpl$2$1.newInstance(ComponentInstantiatorSourceImpl.java:235)<br
clear="none">at
org.apache.tapestry5.internal.structure.InternalComponentResourcesImpl.<init>(InternalComponentResourcesImpl.java:163)<br
clear="none">at org.apache.tapestry5.internal.structure.ComponentPageElemen
tImpl.<init>(ComponentPageElementImpl.java:555)<br clear="none">at
org.apache.tapestry5.internal.structure.ComponentPageElementImpl.<init>(ComponentPageElementImpl.java:579)<br
clear="none">at
org.apache.tapestry5.internal.pageload.ComponentAssemblerImpl.performAssembleRootComponent(ComponentAssemblerImpl.java:97)<br
clear="none">... 94 more<br clear="none">Caused by:
java.lang.reflect.InvocationTargetException<br clear="none">at
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)<br
clear="none">at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)<br
clear="none">at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)<br
clear="none">at
java.lang.reflect.Constructor.newInstance(Constructor.java:526)<br
clear="none">at
org.apache.tapestry5.internal.plastic.ClassInstantiatorImpl.newInstance(ClassInstantiatorImpl.java:109)<br
clear="none">... 99 more<br clear="none"
>Caused by: org.apache.tapestry5.ioc.internal.OperationException: Field _value
>of class org.apache.tapestry5.integration.app1.pages.Datum must be
>instrumented, and may not be public.<br clear="none">at
>org.apache.tapestry5.ioc.internal.OperationTrackerImpl.logAndRethrow(OperationTrackerImpl.java:184)<br
> clear="none">at
>org.apache.tapestry5.ioc.internal.OperationTrackerImpl.run(OperationTrackerImpl.java:62)<br
> clear="none">at
>org.apache.tapestry5.ioc.internal.PerThreadOperationTracker.run(PerThreadOperationTracker.java:60)<br
> clear="none">at
>org.apache.tapestry5.ioc.internal.RegistryImpl.run(RegistryImpl.java:1252)<br
>clear="none">at
>org.apache.tapestry5.internal.services.ComponentInstantiatorSourceImpl.transform(ComponentInstantiatorSourceImpl.java:266)<br
> clear="none">at
>org.apache.tapestry5.internal.plastic.PlasticClassPool.loadAndTransformClass(PlasticClassPool.java:368)<br
> clear="none">at
>org.apache.tapestry5.internal.plastic.PlasticClassLoader.loadClass(PlasticClassLoader.java:
38)<br clear="none">at
java.lang.ClassLoader.loadClass(ClassLoader.java:357)<br clear="none">at
org.apache.tapestry5.integration.app1.pages.DatumEditor.initializeInstance(DatumEditor.java:22)<br
clear="none">at
org.apache.tapestry5.integration.app1.pages.DatumEditor.<init>(DatumEditor.java)<br
clear="none">... 104 more<br clear="none">Caused by:
java.lang.IllegalArgumentException: Field _value of class
org.apache.tapestry5.integration.app1.pages.Datum must be instrumented, and may
not be public.<br clear="none">at
org.apache.tapestry5.internal.plastic.PlasticFieldImpl.ensureNotPublic(PlasticFieldImpl.java:166)<br
clear="none">at
org.apache.tapestry5.internal.plastic.PlasticFieldImpl.replaceFieldReadAccess(PlasticFieldImpl.java:423)<br
clear="none">at
org.apache.tapestry5.internal.plastic.PlasticFieldImpl.setComputedConduit(PlasticFieldImpl.java:292)<br
clear="none">at
org.apache.tapestry5.internal.transform.UnclaimedFieldWorker.transformField(UnclaimedFieldWorker.java:99)<br
c
lear="none">at
org.apache.tapestry5.internal.transform.UnclaimedFieldWorker.transform(UnclaimedFieldWorker.java:88)<br
clear="none">at
$ComponentClassTransformWorker2_13a0346ec83c4e9a.transform(Unknown Source)<br
clear="none">at
$ComponentClassTransformWorker2_13a0346ec83c4e9c.transform(Unknown Source)<br
clear="none">at
$ComponentClassTransformWorker2_13a0346ec83c4e7f.transform(Unknown Source)<br
clear="none">at
org.apache.tapestry5.internal.services.ComponentInstantiatorSourceImpl$3.run(ComponentInstantiatorSourceImpl.java:316)<br
clear="none">at
org.apache.tapestry5.ioc.internal.OperationTrackerImpl.run(OperationTrackerImpl.java:56)<br
clear="none">... 112 more</p>
-<p>Notice how the operation trace at the top of the text succinctly explains
how execution arrived at the point of failure and why, information that isn't
captured in a stack trace.</p><p>This operation trace appears in the Tapestry
web applications, as part of the <a href="operation-tracker.html">default
exception report page</a>.</p><p>There are times, especially when tracking down
startup failures, where it is useful to see the operations log even without
explicit exceptions.</p><p>Enabling <strong>debug</strong> level logging
for the <strong>org.apache.tapestry5.ioc.Registry</strong> logging
category will provide huge volumes of output in the
console:</p><pre></pre><p>[DEBUG] Registry [ 1] --> Creating non-proxied
instance of service ServiceConfigurationListenerHub<br clear="none">[DEBUG]
Registry [ 2] --> Creating plan to instantiate
org.apache.tapestry5.ioc.services.ServiceConfigurationListenerHub via public
org.apache.tapestry5.ioc.services.ServiceConfigurati
onListenerHub(java.util.List)<br clear="none">[DEBUG] Registry [ 3] -->
Determining injection value for parameter #1 (java.util.List)<br
clear="none">[DEBUG] Registry [ 4] --> Collecting ordered configuration for
service ServiceConfigurationListenerHub<br clear="none">[DEBUG] Registry [ 5]
--> Invoking
org.apache.tapestry5.ioc.FredModule.configureServiceConfigurationListener(OrderedConfiguration,
CatchAllServiceConfigurationListener) (at FredModule.<a class="external-link"
href="http://java:141"; rel="nofollow">java:141</a>)<br clear="none">[DEBUG]
Registry [ 6] --> Determining injection value for parameter #1
(org.apache.tapestry5.ioc.OrderedConfiguration)<br clear="none">[DEBUG]
Registry [ 6] <-- Determining injection value for parameter #1
(org.apache.tapestry5.ioc.OrderedConfiguration) [0.17 ms]<br
clear="none">[DEBUG] Registry [ 6] --> Determining injection value for
parameter #2 (org.apache.tapestry5.ioc.CatchAllServiceConfigurationListener)<br
clear="none">[
DEBUG] Registry [ 7] --> Creating proxy for service MasterObjectProvider<br
clear="none">[DEBUG] Registry [ 7] <-- Creating proxy for service
MasterObjectProvider [2.82 ms]<br clear="none">[DEBUG] Registry [ 7] -->
Realizing service MasterObjectProvider<br clear="none">[DEBUG] Registry [ 8]
--> Instantiating service MasterObjectProvider implementation via
org.apache.tapestry5.ioc.internal.services.MasterObjectProviderImpl(List,
OperationTracker) (at MasterObjectProviderImpl.java:33) via
org.apache.tapestry5.ioc.modules.TapestryIOCModule.bind(ServiceBinder) (at
TapestryIOCModule.java:50)<br clear="none">[DEBUG] Registry [ 9] -->
Creating plan to instantiate
org.apache.tapestry5.ioc.internal.services.MasterObjectProviderImpl via public
org.apache.tapestry5.ioc.internal.services.MasterObjectProviderImpl(java.util.List,org.apache.tapestry5.ioc.OperationTracker)<br
clear="none">[DEBUG] Registry [ 10] --> Determining injection value for
parameter #1 (java.util.List)<br c
lear="none">[DEBUG] Registry [ 11] --> Collecting ordered configuration for
service MasterObjectProvider<br clear="none">[DEBUG] Registry [ 12] -->
Invoking
org.apache.tapestry5.ioc.modules.TapestryIOCModule.setupObjectProviders(OrderedConfiguration,
ServiceOverride) (at TapestryIOCModule.<a class="external-link"
href="http://java:136"; rel="nofollow">java:136</a>)<br clear="none">[DEBUG]
Registry [ 13] --> Determining injection value for parameter #1
(org.apache.tapestry5.ioc.OrderedConfiguration)<br clear="none">[DEBUG]
Registry [ 13] <-- Determining injection value for parameter #1
(org.apache.tapestry5.ioc.OrderedConfiguration) [0.17 ms]<br
clear="none">[DEBUG] Registry [ 13] --> Determining injection value for
parameter #2 (org.apache.tapestry5.ioc.services.ServiceOverride)<br
clear="none">[DEBUG] Registry [ 14] --> Creating proxy for service
ServiceOverride<br clear="none">[DEBUG] Registry [ 14] <-- Creating proxy
for service ServiceOverride [2.15 ms]<br c
lear="none">[DEBUG] Registry [ 13] <-- Determining injection value for
parameter #2 (org.apache.tapestry5.ioc.services.ServiceOverride) [2.62 ms]<br
clear="none">[DEBUG] Registry [ 13] --> Creating proxy for service
UpdateListenerHub<br clear="none">[DEBUG] Registry [ 13] <-- Creating proxy
for service UpdateListenerHub [2.28 ms]</p><p>...</p>
+<p>Notice how the operation trace at the top of the text succinctly explains
how execution arrived at the point of failure and why, information that isn't
captured in a stack trace.</p><p>This operation trace appears in the Tapestry
web applications, as part of the <a href="runtime-exceptions.html">default
exception report page</a>.</p><p>There are times, especially when tracking down
startup failures, where it is useful to see the operations log even without
explicit exceptions.</p><p>Enabling <strong>debug</strong> level logging
for the <strong>org.apache.tapestry5.ioc.Registry</strong> logging
category will provide huge volumes of output in the
console:</p><pre></pre><p>[DEBUG] Registry [ 1] --> Creating non-proxied
instance of service ServiceConfigurationListenerHub<br clear="none">[DEBUG]
Registry [ 2] --> Creating plan to instantiate
org.apache.tapestry5.ioc.services.ServiceConfigurationListenerHub via public
org.apache.tapestry5.ioc.services.ServiceConfigurat
ionListenerHub(java.util.List)<br clear="none">[DEBUG] Registry [ 3] -->
Determining injection value for parameter #1 (java.util.List)<br
clear="none">[DEBUG] Registry [ 4] --> Collecting ordered configuration for
service ServiceConfigurationListenerHub<br clear="none">[DEBUG] Registry [ 5]
--> Invoking
org.apache.tapestry5.ioc.FredModule.configureServiceConfigurationListener(OrderedConfiguration,
CatchAllServiceConfigurationListener) (at FredModule.<a class="external-link"
href="http://java:141"; rel="nofollow">java:141</a>)<br clear="none">[DEBUG]
Registry [ 6] --> Determining injection value for parameter #1
(org.apache.tapestry5.ioc.OrderedConfiguration)<br clear="none">[DEBUG]
Registry [ 6] <-- Determining injection value for parameter #1
(org.apache.tapestry5.ioc.OrderedConfiguration) [0.17 ms]<br
clear="none">[DEBUG] Registry [ 6] --> Determining injection value for
parameter #2 (org.apache.tapestry5.ioc.CatchAllServiceConfigurationListener)<br
clear="none">
[DEBUG] Registry [ 7] --> Creating proxy for service
MasterObjectProvider<br clear="none">[DEBUG] Registry [ 7] <-- Creating
proxy for service MasterObjectProvider [2.82 ms]<br clear="none">[DEBUG]
Registry [ 7] --> Realizing service MasterObjectProvider<br
clear="none">[DEBUG] Registry [ 8] --> Instantiating service
MasterObjectProvider implementation via
org.apache.tapestry5.ioc.internal.services.MasterObjectProviderImpl(List,
OperationTracker) (at MasterObjectProviderImpl.java:33) via
org.apache.tapestry5.ioc.modules.TapestryIOCModule.bind(ServiceBinder) (at
TapestryIOCModule.java:50)<br clear="none">[DEBUG] Registry [ 9] -->
Creating plan to instantiate
org.apache.tapestry5.ioc.internal.services.MasterObjectProviderImpl via public
org.apache.tapestry5.ioc.internal.services.MasterObjectProviderImpl(java.util.List,org.apache.tapestry5.ioc.OperationTracker)<br
clear="none">[DEBUG] Registry [ 10] --> Determining injection value for
parameter #1 (java.util.List)<br
clear="none">[DEBUG] Registry [ 11] --> Collecting ordered configuration
for service MasterObjectProvider<br clear="none">[DEBUG] Registry [ 12] -->
Invoking
org.apache.tapestry5.ioc.modules.TapestryIOCModule.setupObjectProviders(OrderedConfiguration,
ServiceOverride) (at TapestryIOCModule.<a class="external-link"
href="http://java:136"; rel="nofollow">java:136</a>)<br clear="none">[DEBUG]
Registry [ 13] --> Determining injection value for parameter #1
(org.apache.tapestry5.ioc.OrderedConfiguration)<br clear="none">[DEBUG]
Registry [ 13] <-- Determining injection value for parameter #1
(org.apache.tapestry5.ioc.OrderedConfiguration) [0.17 ms]<br
clear="none">[DEBUG] Registry [ 13] --> Determining injection value for
parameter #2 (org.apache.tapestry5.ioc.services.ServiceOverride)<br
clear="none">[DEBUG] Registry [ 14] --> Creating proxy for service
ServiceOverride<br clear="none">[DEBUG] Registry [ 14] <-- Creating proxy
for service ServiceOverride [2.15 ms]<br
clear="none">[DEBUG] Registry [ 13] <-- Determining injection value for
parameter #2 (org.apache.tapestry5.ioc.services.ServiceOverride) [2.62 ms]<br
clear="none">[DEBUG] Registry [ 13] --> Creating proxy for service
UpdateListenerHub<br clear="none">[DEBUG] Registry [ 13] <-- Creating proxy
for service UpdateListenerHub [2.28 ms]</p><p>...</p>
<p>The output identifies operation depth (the number in square brackets),
whether the operation is starting (–>) or
finishing (<–), and even the execution time of the
operation.</p><p></p></div>
Modified: websites/production/tapestry/content/ordering-by-constraints.html
==============================================================================
--- websites/production/tapestry/content/ordering-by-constraints.html (original)
+++ websites/production/tapestry/content/ordering-by-constraints.html Sun Feb
18 20:20:09 2018
@@ -67,7 +67,7 @@
</div>
<div id="content">
- <div id="ConfluenceContent"><p>Tapestry IoC has two specific
areas where it must put some form of contribution into a specific
order:</p><ul><li><a href="ordering-by-constraints.html">Ordered
Configurations</a>, where different modules may contribute into a service's
configuration</li><li><a href="ordering-by-constraints.html">Service
Decorators</a> which must be applied to services from a number of modules.<br
clear="none"> In both these cases, objects (either contributions to a
configuration, or decorators) are assigning qualified IDs, simple IDs qualified
with the containing/contributing module's ID.</li></ul><p>Because the
contributions can come from different modules, and there isn't a specific order
in which the service contribution methods are invoked, there is no natural
ordering of the contributed objects.</p><p>To resolve this,
<em>constraints</em> are applied to each contribution. These constraints
control what other objects must come before a contributi
on or after it.</p><p>The constraints are specified using the @<a
class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/annotations/Order.html";>Order</a>
annotation (for service decorator methods), or as variable arguments at the
end of the add() method for ordered configurations.</p><p>Often a single
contribution will have more than one constraint.</p><h1
id="OrderingbyConstraints-ConstraintTypes">Constraint Types</h1><p>Each
constraint string begins with a prefix, <code>before:</code> or
<code>after:</code>, used to identify the type of constraint.</p><p>The
remainder of the constraint string is a comma-separated list of
<em>patterns</em>. The contributed object will be ordered before or after the
contributions identified by the patterns.</p><p><span
class="confluence-anchor-link"
id="OrderingbyConstraints-Match_Patterns"></span></p><h1
id="OrderingbyConstraints-ConstraintMatchPatterns">Constraint Match
Patterns</h1><p>A constraint match
pattern is used to select one or more objects by their ID.</p><p>Match
patterns support a very simple kind of wildcard matching. A <code>*</code>
(asterisk character) may appear at the start and/or end of the pattern, and it
will match zero or more characters there. Thus you can have patterns such as
<code>Data*</code> or <code>*Logic</code> or even
<code>*User*</code>.</p><p>Matching is <a
href="ordering-by-constraints.html">case
insensitive</a>.</p><p> </p><p></p></div>
+ <div id="ConfluenceContent"><p>Tapestry IoC has two specific
areas where it must put some form of contribution into a specific
order:</p><ul><li><a href="tapestry-ioc-configuration.html">Ordered
Configurations</a>, where different modules may contribute into a service's
configuration</li><li><a href="tapestry-ioc-decorators.html">Service
Decorators</a> which must be applied to services from a number of modules.<br
clear="none"> In both these cases, objects (either contributions to a
configuration, or decorators) are assigning qualified IDs, simple IDs qualified
with the containing/contributing module's ID.</li></ul><p>Because the
contributions can come from different modules, and there isn't a specific order
in which the service contribution methods are invoked, there is no natural
ordering of the contributed objects.</p><p>To resolve this,
<em>constraints</em> are applied to each contribution. These constraints
control what other objects must come before a contrib
ution or after it.</p><p>The constraints are specified using the @<a
class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/annotations/Order.html";>Order</a>
annotation (for service decorator methods), or as variable arguments at the
end of the add() method for ordered configurations.</p><p>Often a single
contribution will have more than one constraint.</p><h1
id="OrderingbyConstraints-ConstraintTypes">Constraint Types</h1><p>Each
constraint string begins with a prefix, <code>before:</code> or
<code>after:</code>, used to identify the type of constraint.</p><p>The
remainder of the constraint string is a comma-separated list of
<em>patterns</em>. The contributed object will be ordered before or after the
contributions identified by the patterns.</p><p><span
class="confluence-anchor-link"
id="OrderingbyConstraints-Match_Patterns"></span></p><h1
id="OrderingbyConstraints-ConstraintMatchPatterns">Constraint Match
Patterns</h1><p>A constraint mat
ch pattern is used to select one or more objects by their ID.</p><p>Match
patterns support a very simple kind of wildcard matching. A <code>*</code>
(asterisk character) may appear at the start and/or end of the pattern, and it
will match zero or more characters there. Thus you can have patterns such as
<code>Data*</code> or <code>*Logic</code> or even
<code>*User*</code>.</p><p>Matching is <a href="case-insensitivity.html">case
insensitive</a>.</p><p> </p><p></p></div>
</div>
<div class="clearer"></div>
Modified: websites/production/tapestry/content/pipelinebuilder-service.html
==============================================================================
--- websites/production/tapestry/content/pipelinebuilder-service.html (original)
+++ websites/production/tapestry/content/pipelinebuilder-service.html Sun Feb
18 20:20:09 2018
@@ -126,7 +126,7 @@
</div>
-<p>In this pattern, an existing service is decorated with a filter. The filter
will delegate to the service, but has the chance to alter or replace parameters
before invoking the method, and can perform operations before returning. This
is similar to <a href="pipelinebuilder-service.html">chain of
responsibility</a>, but differs in that there are two interfaces (the service
interface and the filter interface) and that each filter invokes the next
filter via the service interface. In contrast, in the chain of responsibility,
the chain invokes each method, which must return before the next command in the
chain is invoked.</p><p>The service interface and the filter interface are
closely related: the filter interface must match the service interface method
for method, but each method of the filter interface must have an additional
parameter whose type is the service interface. For example, a pipeline that
performed string transformations might use the following interfaces:</p><div
clas
s="code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
+<p>In this pattern, an existing service is decorated with a filter. The filter
will delegate to the service, but has the chance to alter or replace parameters
before invoking the method, and can perform operations before returning. This
is similar to <a href="chainbuilder-service.html">chain of responsibility</a>,
but differs in that there are two interfaces (the service interface and the
filter interface) and that each filter invokes the next filter via the service
interface. In contrast, in the chain of responsibility, the chain invokes each
method, which must return before the next command in the chain is
invoked.</p><p>The service interface and the filter interface are closely
related: the filter interface must match the service interface method for
method, but each method of the filter interface must have an additional
parameter whose type is the service interface. For example, a pipeline that
performed string transformations might use the following interfaces:</p><div
class="
code panel pdl" style="border-width: 1px;"><div class="codeContent
panelContent pdl">
<pre class="brush: java; gutter: false; theme: Default"
style="font-size:12px;">public interface StringTransformService
{
String transform(String input);
Modified: websites/production/tapestry/content/service-advisors.html
==============================================================================
--- websites/production/tapestry/content/service-advisors.html (original)
+++ websites/production/tapestry/content/service-advisors.html Sun Feb 18
20:20:09 2018
@@ -93,7 +93,7 @@
receiver.adviseAllMethods(advice);
};
</pre>
-</div></div><p>This is a method that is placed in a module class. Note the
terminology: <em>advise</em> is the verb ("to advise a method") and
<em>advice</em> is the noun ("with this advice"). The <a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/MethodAdviceReceiver.html";>MethodAdviceReceiver</a>
is a wrapper around the service being advised: you can add advice to some or
all methods of the service, and also obtain the interface of the service. It is
automatically passed into service advisor methods.</p><p>See <a
href="service-advisors.html">Service Advisors</a> for what can be injected into
a service advisor method.</p><p>Service advisor methods must have a parameter
of type MethodAdviceReceiver.</p><p>A service will often be advised multiple
times; any method may have any number of advice objects applied to it. Some
methods may not get any advice. All of this is acceptable.</p><p>Service
advisor methods are always void methods (t
his is different from <a href="service-advisors.html">service decorator
methods</a>).</p><p>The @<a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/annotations/Match.html";>Match</a>("*")
annotation indicates that this advice applies to all services (both your own,
and those defined by Tapestry). You will want to narrow down which services are
actually targeted in most cases.</p><p>Note that some services, especially
those built into Tapestry IoC, are marked as <a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/annotations/PreventServiceDecoration.html";>not
subject to decoration</a>, this applies to service advice as well as service
decoration.</p><p>The <a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/MethodAdvice.html";>MethodAdvice</a>
interface is very simple; it receives an <a class="external-link"
href="http://tapestry.apache.org/
current/apidocs/org/apache/tapestry5/ioc/Invocation.html">Invocation</a>
representing a method call. Invocation has methods for inspecting the type and
value of the parameters, and for overriding the values of the
parameters.</p><p>The call to <code>proceed()</code> allows the invocation to
continue; that is, the original method is invoked. If the method has been
advised multiple times, the call to proceed() may chain into the next
MethodAdvice object. In any case, after invoking <code>proceed()</code>, you
may inspect and override the result (the return value).</p><p>Advice is pretty
efficient, but it is still better to apply it only to methods that make sense.
We can improve the service advisor method in our example to only advise methods
that return String:</p><div class="code panel pdl" style="border-width:
1px;"><div class="codeContent panelContent pdl">
+</div></div><p>This is a method that is placed in a module class. Note the
terminology: <em>advise</em> is the verb ("to advise a method") and
<em>advice</em> is the noun ("with this advice"). The <a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/MethodAdviceReceiver.html";>MethodAdviceReceiver</a>
is a wrapper around the service being advised: you can add advice to some or
all methods of the service, and also obtain the interface of the service. It is
automatically passed into service advisor methods.</p><p>See <a
href="injection-in-detail.html">Injection in Detail</a> for what can be
injected into a service advisor method.</p><p>Service advisor methods must have
a parameter of type MethodAdviceReceiver.</p><p>A service will often be advised
multiple times; any method may have any number of advice objects applied to it.
Some methods may not get any advice. All of this is acceptable.</p><p>Service
advisor methods are always void
methods (this is different from <a
href="tapestry-ioc-decorators.html">service decorator methods</a>).</p><p>The
@<a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/annotations/Match.html";>Match</a>("*")
annotation indicates that this advice applies to all services (both your own,
and those defined by Tapestry). You will want to narrow down which services are
actually targeted in most cases.</p><p>Note that some services, especially
those built into Tapestry IoC, are marked as <a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/annotations/PreventServiceDecoration.html";>not
subject to decoration</a>, this applies to service advice as well as service
decoration.</p><p>The <a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/MethodAdvice.html";>MethodAdvice</a>
interface is very simple; it receives an <a class="external-link"
href="http://ta
pestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/Invocation.html">Invocation</a>
representing a method call. Invocation has methods for inspecting the type and
value of the parameters, and for overriding the values of the
parameters.</p><p>The call to <code>proceed()</code> allows the invocation to
continue; that is, the original method is invoked. If the method has been
advised multiple times, the call to proceed() may chain into the next
MethodAdvice object. In any case, after invoking <code>proceed()</code>, you
may inspect and override the result (the return value).</p><p>Advice is pretty
efficient, but it is still better to apply it only to methods that make sense.
We can improve the service advisor method in our example to only advise methods
that return String:</p><div class="code panel pdl" style="border-width:
1px;"><div class="codeContent panelContent pdl">
<pre class="brush: java; gutter: false; theme: Default"
style="font-size:12px;"> @Match("*")
public static void adviseNonNull(MethodAdviceReceiver receiver)
{
@@ -161,7 +161,7 @@ Added in 5.2
...
}
</pre>
-</div></div><p>The advice above is applied to any implementation of the
MyService interface that is marked by the @Blue annotation.</p><h1
id="ServiceAdvisors-DecoratorsandAdvice">Decorators and Advice</h1><p><a
href="service-advisors.html">Service decorators</a> are another way to achieve
the same thing; service advisors are a more recent addition, added in Tapestry
5.1.</p><p>It is not recommended that you mix advice and decoration. If you do,
decoration take precedence; all decorators will be in effect before any advice
(internally, they are two separate steps, with advice being processed and the
result of that used by the decorators).</p><p> </p><p></p></div>
+</div></div><p>The advice above is applied to any implementation of the
MyService interface that is marked by the @Blue annotation.</p><h1
id="ServiceAdvisors-DecoratorsandAdvice">Decorators and Advice</h1><p><a
href="tapestry-ioc-decorators.html">Service decorators</a> are another way to
achieve the same thing; service advisors are a more recent addition, added in
Tapestry 5.1.</p><p>It is not recommended that you mix advice and decoration.
If you do, decoration take precedence; all decorators will be in effect before
any advice (internally, they are two separate steps, with advice being
processed and the result of that used by the
decorators).</p><p> </p><p></p></div>
</div>
<div class="clearer"></div>
Modified:
websites/production/tapestry/content/service-implementation-reloading.html
==============================================================================
--- websites/production/tapestry/content/service-implementation-reloading.html
(original)
+++ websites/production/tapestry/content/service-implementation-reloading.html
Sun Feb 18 20:20:09 2018
@@ -74,7 +74,7 @@
</p><div class="aui-message aui-message-info">
Added in 5.2
 
-</div><strong>Service implementation reloading</strong> is the live reloading
of Tapestry-IOC service implementation classes without having to stop &
restart the servlet container. Available for Tapestry 5.2 and later, it extends
the developer productivity gains of Tapestry's <a
href="service-implementation-reloading.html">Live Class Reloading</a> to your
Tapestry-IOC service modules.<div class="aui-label" style="float:right"
title="Related Articles">
+</div><strong>Service implementation reloading</strong> is the live reloading
of Tapestry-IOC service implementation classes without having to stop &
restart the servlet container. Available for Tapestry 5.2 and later, it extends
the developer productivity gains of Tapestry's <a
href="class-reloading.html">Live Class Reloading</a> to your Tapestry-IOC
service modules.<div class="aui-label" style="float:right" title="Related
Articles">
Modified: websites/production/tapestry/content/starting-the-ioc-registry.html
==============================================================================
--- websites/production/tapestry/content/starting-the-ioc-registry.html
(original)
+++ websites/production/tapestry/content/starting-the-ioc-registry.html Sun Feb
18 20:20:09 2018
@@ -93,7 +93,7 @@ Added in 5.2
</div><p>As of version 5.2 the class <a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/RegistryBuilder.html";>RegistryBuilder</a>
has convenience methods to build and start a Registry. The static method <a
class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/RegistryBuilder.html#buildAndStartupRegistry(java.lang.Class...)">RegistryBuilder.buildAndStartupRegistry(Class...)</a>
constructs a registry, adds a number of modules to the registry and performs
registry startup. The returned registry is ready to use.</p><div class="code
panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
<pre class="brush: java; gutter: false; theme: Default"
style="font-size:12px;">Registry registry =
RegistryBuilder.buildAndStartupRegistry(AppModule.class, UtilModule.class);
</pre>
-</div></div><h1
id="StartingtheIoCRegistry-BuildingtheDefaultRegistry">Building the Default
Registry</h1><p>The default registry is available by invoking the static method
<a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/IOCUtilities.html#buildDefaultRegistry";>IOCUtilities.buildDefaultRegistry()</a>.
This method builds a Registry using <a
href="starting-the-ioc-registry.html">autoloading logic</a>, where modules to
load are identified via a JAR Manifest entry.</p><p>In addition, the JVM system
property <code>tapestry.modules</code> (if specified) is a list of additional
module classes to load. This is often used in development, where tests may be
executed against the local classes, not JARs, and so there is no manifest to
read.</p><h1 id="StartingtheIoCRegistry-ShuttingdowntheRegistry">Shutting down
the Registry</h1><p>The method <a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/Reg
istry.html#shutdown">Registry.shutdown()</a> will shutdown the Registry. This
immediately invalidates all service proxies. Some services may have chosen to
register for shutdown notification (for example, to do cleanup work such as
closing a database connection).</p><p>Once the Registry is shutdown, it may not
be used again: it will not be possible to access services within the Registry,
or invoke methods on services previously acquired. All you can do is release
the Registry to the garbage collector.</p><p> </p><p></p></div>
+</div></div><h1
id="StartingtheIoCRegistry-BuildingtheDefaultRegistry">Building the Default
Registry</h1><p>The default registry is available by invoking the static method
<a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/IOCUtilities.html#buildDefaultRegistry";>IOCUtilities.buildDefaultRegistry()</a>.
This method builds a Registry using <a
href="autoloading-modules.html">autoloading logic</a>, where modules to load
are identified via a JAR Manifest entry.</p><p>In addition, the JVM system
property <code>tapestry.modules</code> (if specified) is a list of additional
module classes to load. This is often used in development, where tests may be
executed against the local classes, not JARs, and so there is no manifest to
read.</p><h1 id="StartingtheIoCRegistry-ShuttingdowntheRegistry">Shutting down
the Registry</h1><p>The method <a class="external-link"
href="http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/ioc/Registry.
html#shutdown">Registry.shutdown()</a> will shutdown the Registry. This
immediately invalidates all service proxies. Some services may have chosen to
register for shutdown notification (for example, to do cleanup work such as
closing a database connection).</p><p>Once the Registry is shutdown, it may not
be used again: it will not be possible to access services within the Registry,
or invoke methods on services previously acquired. All you can do is release
the Registry to the garbage collector.</p><p> </p><p></p></div>
</div>
<div class="clearer"></div>
