Java 无法实例化类:org.apache.qpid.jndi.PropertiesFileInitialContextFactory
我正在编写一个发送消息的Qpid客户端。我使用的示例代码是:Java 无法实例化类:org.apache.qpid.jndi.PropertiesFileInitialContextFactory,java,qpid,Java,Qpid,我正在编写一个发送消息的Qpid客户端。我使用的示例代码是: private void runTest() throws Exception { Properties properties = new Properties(); properties.load(this.getClass().getResourceAsStream("helloworld.properties")); Context context = new InitialContext(properties);
private void runTest() throws Exception {
Properties properties = new Properties();
properties.load(this.getClass().getResourceAsStream("helloworld.properties"));
Context context = new InitialContext(properties);
ConnectionFactory connectionFactory = (ConnectionFactory) context.lookup("qpidConnectionFactory");
Connection connection = connectionFactory.createConnection();
connection.start();
Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
Queue queue = (Queue) context.lookup("myqueue");
MessageConsumer messageConsumer = session.createConsumer(queue);
MessageProducer messageProducer = session.createProducer(queue);
TextMessage message = session.createTextMessage("Hello world!");
messageProducer.send(message);
session.commit();
message = (TextMessage)messageConsumer.receive();
session.commit();
System.out.println(message.getText());
connection.close();
context.close();
}
附带的配置为:
java.naming.factory.initial = org.apache.qpid.jndi.PropertiesFileInitialContextFactory
connectionfactory.qpidConnectionFactory = amqp://guest:guest@clientid/?brokerlist='tcp://localhost:61111'
queue.myqueue = queue1
我得到的错误是:
Exception in thread "main" javax.naming.NoInitialContextException: Cannot instantiate class: org.apache.qpid.jndi.PropertiesFileInitialContextFactory [Root exception is java.lang.ClassNotFoundException: org.apache.qpid.jndi.PropertiesFileInitialContextFactory]
at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:674)
at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:313)
at javax.naming.InitialContext.init(InitialContext.java:244)
at javax.naming.InitialContext.<init>(InitialContext.java:216)
at Hello.runTest(Hello.java:19)
at Hello.main(Hello.java:13)
Caused by: java.lang.ClassNotFoundException: org.apache.qpid.jndi.PropertiesFileInitialContextFactory
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at com.sun.naming.internal.VersionHelper12.loadClass(VersionHelper12.java:72)
at com.sun.naming.internal.VersionHelper12.loadClass(VersionHelper12.java:61)
at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:672)
... 5 more
线程“main”javax.naming.NoInitialContextException中的异常:无法实例化类:org.apache.qpid.jndi.PropertiesFileInitialContextFactory[根异常为java.lang.ClassNotFoundException:org.apache.qpid.jndi.PropertiesFileInitialContextFactory]
位于javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:674)
位于javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:313)
位于javax.naming.InitialContext.init(InitialContext.java:244)
位于javax.naming.InitialContext。(InitialContext.java:216)
运行测试(Hello.java:19)
在Hello.main(Hello.java:13)
原因:java.lang.ClassNotFoundException:org.apache.qpid.jndi.PropertiesFileInitialContextFactory
位于java.net.URLClassLoader.findClass(URLClassLoader.java:381)
位于java.lang.ClassLoader.loadClass(ClassLoader.java:424)
位于sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
位于java.lang.ClassLoader.loadClass(ClassLoader.java:357)
位于java.lang.Class.forName0(本机方法)
位于java.lang.Class.forName(Class.java:348)
位于com.sun.naming.internal.VersionHelper12.loadClass(VersionHelper12.java:72)
位于com.sun.naming.internal.VersionHelper12.loadClass(VersionHelper12.java:61)
位于javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:672)
... 还有5个
看起来无法初始化属性文件的上下文
我有一个ActiveMQ实例在端口
61111
上本地运行。属性文件确实在我的类路径中。我还能错过什么呢 试试java.naming.factory.initial=org.apache.qpid.jms.jndi.JmsInitialContextFactory
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