当我创建调度程序时,我发现无法在其中使用CDI注入,经过一些研究后,我发现了一个有趣的解决方案,使用了API deltaSpike的调度程序模块。
我按照官方文档中描述的所有步骤操作,因此我在我的pom.xml上添加了以下依赖项
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.apache.deltaspike.distribution</groupId>
<artifactId>distributions-bom</artifactId>
<version>${deltaspike.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz</artifactId>
<version>2.2.1</version>
</dependency>
<dependency>
<groupId>org.apache.deltaspike.cdictrl</groupId>
<artifactId>deltaspike-cdictrl-api</artifactId>
<version>${deltaspike.version}</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.jboss.weld.se</groupId>
<artifactId>weld-se</artifactId>
<version>2.3.3.Final</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.apache.deltaspike.cdictrl</groupId>
<artifactId>deltaspike-cdictrl-weld</artifactId>
<version>${deltaspike.version}</version>
</dependency>
<dependency>
<groupId>org.apache.deltaspike.core</groupId>
<artifactId>deltaspike-core-api</artifactId>
<version>${deltaspike.version}</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.deltaspike.core</groupId>
<artifactId>deltaspike-core-impl</artifactId>
<version>${deltaspike.version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.apache.deltaspike.modules</groupId>
<artifactId>deltaspike-scheduler-module-api</artifactId>
<version>${deltaspike.version}</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.deltaspike.modules</groupId>
<artifactId>deltaspike-scheduler-module-impl</artifactId>
<version>${deltaspike.version}</version>
<scope>runtime</scope>
</dependency>
但每次启动我的jboss服务器时都会抛出此异常
javax.enterprise.event.ObserverException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at org.jboss.weld.util.reflection.SecureReflections$16.work(SecureReflections.java:343)
at org.jboss.weld.util.reflection.SecureReflectionAccess.run(SecureReflectionAccess.java:52)
at org.jboss.weld.util.reflection.SecureReflectionAccess.runAsInstantiation(SecureReflectionAccess.java:173)
at org.jboss.weld.util.reflection.SecureReflections.newInstance(SecureReflections.java:340)
at org.jboss.weld.injection.Exceptions.rethrowException(Exceptions.java:33)
at org.jboss.weld.injection.Exceptions.rethrowException(Exceptions.java:73)
at org.jboss.weld.injection.MethodInjectionPoint.invokeOnInstanceWithSpecialValue(MethodInjectionPoint.java:162)
at org.jboss.weld.event.ObserverMethodImpl.sendEvent(ObserverMethodImpl.java:241)
at org.jboss.weld.event.ObserverMethodImpl.sendEvent(ObserverMethodImpl.java:229)
at org.jboss.weld.event.ObserverMethodImpl.notify(ObserverMethodImpl.java:207)
at org.jboss.weld.bootstrap.events.AbstractContainerEvent.fire(AbstractContainerEvent.java:75)
at org.jboss.weld.bootstrap.events.AbstractDefinitionContainerEvent.fire(AbstractDefinitionContainerEvent.java:46)
at org.jboss.weld.bootstrap.events.BeforeBeanDiscoveryImpl.fire(BeforeBeanDiscoveryImpl.java:46)
at org.jboss.weld.bootstrap.WeldBootstrap.startInitialization(WeldBootstrap.java:322)
at org.jboss.as.weld.WeldContainer.start(WeldContainer.java:81)
at org.jboss.as.weld.services.WeldService.start(WeldService.java:76)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.AbstractMethodError
at org.apache.deltaspike.core.api.config.ConfigResolver.getAllProperties(ConfigResolver.java:383)
at org.apache.deltaspike.core.impl.exclude.extension.ExcludeExtension.init(ExcludeExtension.java:98)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.jboss.weld.util.reflection.SecureReflections$13.work(SecureReflections.java:264)
at org.jboss.weld.util.reflection.SecureReflectionAccess.run(SecureReflectionAccess.java:52)
at org.jboss.weld.util.reflection.SecureReflectionAccess.runAsInvocation(SecureReflectionAccess.java:137)
at org.jboss.weld.util.reflection.SecureReflections.invoke(SecureReflections.java:260)
at org.jboss.weld.introspector.jlr.WeldMethodImpl.invokeOnInstance(WeldMethodImpl.java:170)
at org.jboss.weld.introspector.ForwardingWeldMethod.invokeOnInstance(ForwardingWeldMethod.java:51)
at org.jboss.weld.injection.MethodInjectionPoint.invokeOnInstanceWithSpecialValue(MethodInjectionPoint.java:154)
... 14 more
"}}}}
关于异常,我错过了有关deltaspike配置的内容,但我没有在stackoverflow或任何其他网站中找到任何内容,请帮助
答案 0 :(得分:-1)
嗯,问题解决了,我对deltaSpike很感兴趣,因为我试图弄清楚如何在CDI环境中使用Quartz。
经过一番研究,我发现EJB Timer对我来说是完美的,因为我们使用的是JBOSS A.S whitch实际上是一个ejb容器。