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Re: @DependsOn and @Singleton Bean in EJB3.1 using jboss 6.0 CR1
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created by <a href="http://community.jboss.org/people/jaikiran">jaikiran pai</a> in <i>EJB3</i> - <a href="http://community.jboss.org/message/575332#575332">View the full discussion</a>
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<div class="jive-rendered-content"><blockquote class="jive-quote"><p>aravind kopparthi wrote:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I am not sure about the usage </p></blockquote><p>The EJB3.1 spec, section 4.8.1 has the details.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><blockquote class="jive-quote"><p>aravind kopparthi wrote:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p> but i could not use it like this( @Singleton(DependsOn="SomeSingletonBean") i get compilation error  </p></blockquote><p>That's not how it's supposed to be used. The correct way is:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-java">@Singleton
@DependsOn(<font color="red">"OtherSingletonBeanName"</font>)
<font color="navy"><b>public</b></font> <font color="navy"><b>class</b></font> SingletonOne
<font color="navy">{</font>
.....
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><blockquote class="jive-quote"><p>aravind kopparthi wrote:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>when i use</p><p>@Singleton</p><p>@DependsOn(SingletonProcessBean2)</p><p>publilc class SingletonProcessBean1</p><p>{</p><p>///</p><p>}</p><p>I get the following error. please advice.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;">Deployment "<UNKNOWN jboss.j2ee:jar=javaee6-app.war,name=BobWireFTPProcessBean,service=EJB3>" is in error due to the following reason(s): ** UNRESOLVED Demands 'jboss.j2ee:jar=javaee6-app.war,name=FtpServerPojo,service=EJB3' **, ** UNRESOLVED Demands 'jndi:FtpServerPojo/no-interface' **</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;">  Deployment "jndi:BobWireFTPProcessBean/no-interface" is in error due to the following reason(s): ** NOT FOUND Depends on 'jndi:BobWireFTPProcessBean/no-interface' **</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;"> </div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;">at org.jboss.deployers.plugins.deployers.DeployersImpl.checkComplete(DeployersImpl.java:1228) [:2.2.0.Alpha8]</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;">at org.jboss.deployers.plugins.main.MainDeployerImpl.checkComplete(MainDeployerImpl.java:905) [:2.2.0.Alpha8]</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;">at org.jboss.system.server.profileservice.deployers.MainDeployerPlugin.checkComplete(MainDeployerPlugin.java:87) [:6.0.0.20101110-CR1]</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;">at org.jboss.profileservice.deployment.ProfileDeployerPluginRegistry.checkAllComplete(ProfileDeployerPluginRegistry.java:118) [:0.1.0.Alpha1]</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;">at org.jboss.system.server.profileservice.bootstrap.BasicProfileServiceBootstrap.start(BasicProfileServiceBootstrap.java:133) [:6.0.0.20101110-CR1]</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;">at org.jboss.system.server.profileservice.bootstrap.BasicProfileServiceBootstrap.start(BasicProfileServiceBootstrap.java:56) [:6.0.0.20101110-CR1]</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;">at org.jboss.bootstrap.impl.base.server.AbstractServer.startBootstraps(AbstractServer.java:827) [jboss-bootstrap-impl-base.jar:2.1.0-alpha-5]</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;">at org.jboss.bootstrap.impl.base.server.AbstractServer$StartServerTask.run(AbstractServer.java:417) [jboss-bootstrap-impl-base.jar:2.1.0-alpha-5]</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;">at java.lang.Thread.run(Thread.java:619) [:1.6.0_13]</div><p>Deployment "<UNKNOWN jboss.j2ee:jar=javaee6-app.war,name=SingletonProcessBean1,service=EJB3>" is in error due to the following reason(s): ** UNRESOLVED Demands 'jboss.j2ee:jar=javaee6-app.war,name=SingletonProcessBean2,service=EJB3' **, ** UNRESOLVED Demands 'jndi:SingletonProcessBean2/no-interface' **</p><p>  Deployment "jndi:SingletonProcessBean1/no-interface" is in error due to the following reason(s): ** NOT FOUND Depends on 'jndi:SingletonProcessBean2/no-interface' **</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></blockquote><p>I assume that the code is just a pseudo code since it's not going to compile. What does the SingletonProcessBean2 look like? Please post the real code of both SingletonProcessBean1 and SingletonProcessBean2. Also please post the console logs that you see when you start deploying your application.</p></div>
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