使用Spring Boot和WebSphere 8.5.5进行远程EJB查找

时间：2016-06-06 18:03:15

标签： java spring-boot spring-batch websphere-8

我有一个使用Spring Batch的批处理应用程序，我也使用Spring Boot。此应用程序需要执行远程EJB查找以从应用程序服务器加载一些信息。 到目前为止，我们使用的是JBoss EAP 6.1。我的pom.xml包含一个特定于JBoss的配置文件，我使用了以下依赖项：

<dependency>
    <groupId>org.jboss.as</groupId>
    <artifactId>jboss-as-ejb-client-bom</artifactId>
    <version>7.2.0.Final</version>
    <type>pom</type>
</dependency>

现在我们需要将此应用程序迁移到WebSphere 8.5.5。我在我的pom.xml中创建了一个新的maven配置文件，其中包含WebSphere上的远程EJB查找的以下依赖项。 

<dependency>
    <groupId>com.ibm.ws</groupId>
    <artifactId>com.ibm.ws.ejb.thinclient</artifactId>
    <version>8.5.0</version>        
    <type>pom</type>
</dependency>

<dependency>
    <groupId>com.ibm.ws</groupId>
    <artifactId>com.ibm.ws.orb</artifactId>
    <version>8.5.0</version>        
    <type>pom</type>
</dependency>

当然，我已经在我的maven本地存储库中安装了这个jar。

在配置所有JNDI属性后，尝试再次执行批处理，初始上下文工厂指向＆＃34; com.ibm.websphere.naming.WsnInitialContextFactory＆＃34;和提供者URL到＆＃34; corbaloc：iiop：localhost：2817＆＃34;，我得到以下例外：

Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [br.com.cpqd.components.security.api.user.SecurityUser]: Factory method 'securityUserEjb' threw exception; nested exception is javax.naming.NoInitialContextException: Cannot instantiate class: com.ibm.websphere.naming.WsnInitialContextFactory [Root exception is java.lang.ClassNotFoundException: com.ibm.websphere.naming.WsnInitialContextFactory]
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:189)
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588)
    ... 27 common frames omitted
Caused by: javax.naming.NoInitialContextException: Cannot instantiate class: com.ibm.websphere.naming.WsnInitialContextFactory
    at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:674)
    at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:307)
    at javax.naming.InitialContext.init(InitialContext.java:242)
    at javax.naming.InitialContext.<init>(InitialContext.java:216)
    at org.springframework.jndi.JndiTemplate.createInitialContext(JndiTemplate.java:136)
    at org.springframework.jndi.JndiTemplate.getContext(JndiTemplate.java:103)
    at org.springframework.jndi.JndiTemplate.execute(JndiTemplate.java:85)
    at org.springframework.jndi.JndiTemplate.lookup(JndiTemplate.java:152)
    at org.springframework.jndi.JndiTemplate.lookup(JndiTemplate.java:179)
    at org.springframework.jndi.JndiLocatorSupport.lookup(JndiLocatorSupport.java:95)
    at org.springframework.jndi.JndiObjectLocator.lookup(JndiObjectLocator.java:106)
    at org.springframework.jndi.JndiObjectFactoryBean.lookupWithFallback(JndiObjectFactoryBean.java:231)
    at org.springframework.jndi.JndiObjectFactoryBean.afterPropertiesSet(JndiObjectFactoryBean.java:217)
    at br.com.batch.common.BatchCommonConfig.securityUserEjb(BatchCommonConfig.java:101)
    at br.com.batch.common.BatchCommonConfig$$EnhancerBySpringCGLIB$$e2167a67.CGLIB$securityUserEjb$4(<generated>)
    at br.com.cpqd.saf.events.batch.common.BatchCommonConfig$$EnhancerBySpringCGLIB$$e2167a67$$FastClassBySpringCGLIB$$30b25502.invoke(<generated>)
    at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
    at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:309)
    at br.com.batch.common.BatchCommonConfig$$EnhancerBySpringCGLIB$$e2167a67.securityUserEjb(<generated>)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162)
    ... 28 common frames omitted
Caused by: java.lang.ClassNotFoundException: com.ibm.websphere.naming.WsnInitialContextFactory
    at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:270)
    at com.sun.naming.internal.VersionHelper12.loadClass(VersionHelper12.java:63)
    at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:671)
    ... 51 common frames omitted

好的，这个班还没找到。试图弄清楚问题，我已经改变了来自＆＃34; pom＆＃34;的WebSphere库的依赖类型。 to＆＃34; jar＆＃34;。

现在，我收到以下异常：

（抱歉这个葡萄牙语文本，但错误代码可能有帮助）

**NMSV0307E**: Um nome de URL java: foi utilizado, mas a Nomenclatura não foi configurada para manipular nomes de URL java:. A causa provável é um erro do usuário ao tentar especificar um nome de URL java: em um cliente não J2EE ou no ambiente do servidor. Emitindo ConfigurationException.

2016-06-06 14:43:18.952  WARN 18856 --- [           main] s.c.a.AnnotationConfigApplicationContext : Exception encountered during context initialization - cancelling refresh attempt

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor': Invocation of init method failed; nested exception is javax.validation.ValidationException: Could not create Configuration.
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1566)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
    at org.springframework.context.support.PostProcessorRegistrationDelegate.registerBeanPostProcessors(PostProcessorRegistrationDelegate.java:199)
    at org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:615)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:465)
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:691)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:321)
    at br.com.cpqd.saf.events.batch.BatchProcessingBootstrap.main(BatchProcessingBootstrap.java:62)
Caused by: javax.validation.ValidationException: Could not create Configuration.
    at javax.validation.Validation$GenericBootstrapImpl.configure(Validation.java:175)
    at org.springframework.validation.beanvalidation.LocalValidatorFactoryBean.afterPropertiesSet(LocalValidatorFactoryBean.java:223)
    at org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor$Jsr303ValidatorFactory.run(ConfigurationPropertiesBindingPostProcessor.java:381)
    at org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor.afterPropertiesSet(ConfigurationPropertiesBindingPostProcessor.java:174)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1625)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1562)
    ... 12 common frames omitted
Caused by: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
    at java.util.ArrayList.rangeCheck(ArrayList.java:635)
    at java.util.ArrayList.get(ArrayList.java:411)
    at javax.validation.Validation$GenericBootstrapImpl.configure(Validation.java:173)
    ... 17 common frames omitted

搜索错误消息并阅读大量网站，我认为由于某种原因，Spring Boot不允许com.ibm.ws.ejb.thinclient jar提供的可嵌入EJB容器启动，但是我是不确定。

有没有人试图这样做？

1 个答案:

答案 0 :(得分：0)

IndexOutOfBoundsException是javax.validation.Validation在类路径上可用的API（可能是com.ibm.ws.ejb.thinclient JAR）时抛出的（差）异常，但实现提供程序不是。根据{{​​3}}，ConfigurationPropertiesBindingPostProcessor类在类路径上可用时会尝试使用javax.validation API。

我不太了解Spring Boot，知道是否有办法禁用你的行为，所以我最好的建议是在你的类路径中包含一个javax.validation实现。例如，您还可以包含com.ibm.ws.jpa.thinclient JAR。

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