Java 用ejb实现Restful
我想用ejb创建Restful应用程序,所以我创建了db.jar和Restful.war 在db.jar中,我有:Java 用ejb实现Restful,java,rest,glassfish,ejb,Java,Rest,Glassfish,Ejb,我想用ejb创建Restful应用程序,所以我创建了db.jar和Restful.war 在db.jar中,我有: @Remote public interface DBManagerRemote @EJB private DBManagerRemote manager; 在宁静的战争中,我有: @Remote public interface DBManagerRemote @EJB private DBManagerRemote manager; 但当我在glassfish中部署
@Remote public interface DBManagerRemote
@EJB private DBManagerRemote manager;
在宁静的战争中,我有:
@Remote public interface DBManagerRemote
@EJB private DBManagerRemote manager;
但当我在glassfish中部署时,我遇到了一个例外:
org.jboss.resteasy.spi.UnhandledException: java.lang.NullPointerException
我做错了什么
web.xml:
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
version="3.0">
<display-name>Restful Web Application</display-name>
<context-param>
<param-name>resteasy.scan</param-name>
<param-value>true</param-value>
</context-param>
<listener>
<listener-class>
org.jboss.resteasy.plugins.server.servlet.ResteasyBootstrap</listener-class>
</listener>
<servlet>
<servlet-name>resteasy-servlet</servlet-name>
<servlet-class>
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>resteasy-servlet</servlet-name>
<url-pattern>/*</url-pattern>
</servlet-mapping>
</web-app>
Restful Web应用程序
轻松扫描
真的
org.jboss.resteasy.plugins.server.servlet.ResteasyBootstrap
RESTEasyServlet
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher
RESTEasyServlet
/*
db.jar中的persistence.xml:
<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
<persistence-unit name="simpleFactory" transaction-type="JTA">
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<jta-data-source>source_name</jta-data-source>
<class>Mybean</class>
</persistence-unit>
</persistence>
org.hibernate.jpa.HibernatePersistenceProvider
来源名称
蚕豆
您将得到一个NullPointerException,因为您试图在一个REST应用程序中使用容器注入,而该应用程序正在GlassFish中使用RestEasy
RestEasy未与GlassFish集成,因此不会进行注射
最简单的解决方案是:
@ApplicationPath("/")
public class JAXRSConfiguration extends Application {
}
然后将使用内置在GlassFish中的JAX-RS实现。信息太少,无法确定问题所在。异常发生在哪里?哪种休息服务?您是如何定义rest端点的?异常跟踪等。。。。