java 无法找到协议的提供者：smtp
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Unable to locate provider for protocol: smtp
提问by Nimchip
New to spring. I'm getting the following exception being caught:
春天的新人。我收到以下异常被捕获：
2012-06-14 16:20:57,719 [http-8080-6] ERROR com.nimchip.lmu.data.service.impl.CoworkerServiceImpl - Error sending mail:
org.springframework.mail.MailSendException: Mail server connection failed; nested exception is javax.mail.NoSuchProviderException: Unable to locate provider for protocol: smtp. Failed messages: javax.mail.NoSuchProviderException: Unable to locate provider for protocol: smtp
at org.springframework.mail.javamail.JavaMailSenderImpl.doSend(JavaMailSenderImpl.java:400) ~[spring-context-support-3.1.0.RELEASE.jar:3.1.0.RELEASE]
at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:306) ~[spring-context-support-3.1.0.RELEASE.jar:3.1.0.RELEASE]
at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:296) ~[spring-context-support-3.1.0.RELEASE.jar:3.1.0.RELEASE]
at com.nimchip.lmu.data.service.impl.CoworkerServiceImpl.genUpdateNomination(CoworkerServiceImpl.java:224) ~[lmu-dataaccess-1.0.0.jar:na]
at com.nimchip.lmu.controller.coworkerNom.CoworkerController.genUpdateNomination(CoworkerController.java:312)
I have a mail-config.xml which is registered in my web.xml. Here it is:
我有一个在我的 web.xml 中注册的 mail-config.xml。这里是：
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
<bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
<property name="host" value="10.30.137.190"/>
<property name="port" value="25"/>
</bean>
</beans>
I should be able to log anonymously to the mail server specified, so no user or password needed.
我应该能够匿名登录到指定的邮件服务器，因此不需要用户或密码。
What am I missing?
我错过了什么？
回答by Udo Held
Do you have the mail.jarand activation.jarin your classpath?
你的类路径中有mail.jar和activation.jar吗？
These classes should provide the smtp-provider.
这些类应该提供 smtp-provider。
If you are using maven, simply add this to your pom:
如果您使用的是 maven，只需将其添加到您的 pom 中：
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>javax.activation</groupId>
<artifactId>activation</artifactId>
<version>1.0.2</version>
</dependency>
回答by Madhu
I had the same problem. I was using mailapi as artifact id and that was causing the issue.
I replaced
<artifactId>mailapi</artifactId>with
<artifactId>mail</artifactId>and it worked fine
我有同样的问题。我使用 mailapi 作为工件 ID，这导致了问题。我替换
<artifactId>mailapi</artifactId>了
<artifactId>mail</artifactId>并且它工作正常
