Session.getInstance的Java邮件问题
我在尝试使用java邮件时收到以下异常Session.getInstance的Java邮件问题,java,jakarta-mail,noclassdeffounderror,Java,Jakarta Mail,Noclassdeffounderror,我在尝试使用java邮件时收到以下异常 java.lang.NoClassDefFoundError: com/sun/mail/util/MailLogger at javax.mail.Session.initLogger(Session.java:226) at javax.mail.Session.<init>(Session.java:210) at javax.mail.Session.getInstance(Session.java:247)
java.lang.NoClassDefFoundError: com/sun/mail/util/MailLogger
at javax.mail.Session.initLogger(Session.java:226)
at javax.mail.Session.<init>(Session.java:210)
at javax.mail.Session.getInstance(Session.java:247)
at com.secondstory.mailsender.MailSender.createSmtpSession(MailSender.java:67)
at com.secondstory.mailsender.MailSender.sendSimpleMessage(MailSender.java:38)
at com.secondstory.mailsender.MailSender.generateLostPasswordEmail(MailSender.java:79)
at com.secondstory.mailsender.MailSenderTest.shouldReturnTrueWithCredentialsSet(MailSenderTest.java:49)
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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by: java.lang.ClassNotFoundException: com.sun.mail.util.MailLogger
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
... 30 more
我是否缺少一些配置,或者这是否应该与我当前的设置一起工作
谢谢尝试将此添加到Maven POM中:
<dependency>
<groupId>com.sun.mail</groupId>
<artifactId>javax.mail</artifactId>
<version>1.5.2</version>
</dependency>
com.sun.mail
javax.mail
1.5.2
问题是您试图使用javax.mailapi.jar
。那是错误的图书馆。JavaMail是一个JavaEE规范,该规范的接口发布在javax.mail-api-1.6.1.jar
中,该规范仅在编译时有效。它没有提供规范的实现,因此在运行时不起作用
您需要在运行时使用JavaMail规范的实现。您可以在上找到参考实现(但还有其他实现,例如JavaEE应用程序服务器通常包括一个)
对于javax.mailapi.jar
,说明:
JavaMail API定义,仅适用于编译;使用
仅使用Maven“提供的”依赖范围
特别是在您的情况下,您需要javax.mail.jar
或mailapi.jar
+您想要使用的特定协议的jar。例如,mailapi.jar
+smtp.jar
如果您只需要smtp支持
有了Maven,您可以使用
<dependency>
<groupId>com.sun.mail</groupId>
<artifactId>javax.mail</artifactId>
<version>1.6.1</version>
</dependency>
com.sun.mail
javax.mail
1.6.1
如上所述,com.sun.mail:javax.mail是整个实现;如果您正在运行应用程序,它就是您所需要的。如果您只需要编译您的应用程序(例如,如果您打算将它部署到其他地方来运行它),那么您所需要的就是javax.mail:javax.mail-api。如果您使用的是较旧的JDK,则只需要javax.activation;它包含在较新的JDK中。在哪里可以获得“com.sun.mail:javax.mail”库?我在网上只能找到javax.mail-1.6.1,它只适合编译。我找到了它,它是javax.mail.jar,可以在这个页面上下载:
<dependency>
<groupId>com.sun.mail</groupId>
<artifactId>javax.mail</artifactId>
<version>1.5.2</version>
</dependency>
<dependency>
<groupId>com.sun.mail</groupId>
<artifactId>javax.mail</artifactId>
<version>1.6.1</version>
</dependency>