I'm using demo ThingsBoard version and I keep getting the same error when "Send Email" node tries to send an email.
Following error occurs:
java.lang.NoSuchMethodError: com.sun.mail.util.TraceInputStream.(Ljava/io/InputStream;Lcom/sun/mail/util/MailLogger;)V at com.sun.mail.smtp.SMTPTransport.initStreams(SMTPTransport.java:2265) at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:2184) at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:740) at javax.mail.Service.connect(Service.java:291) at org.springframework.mail.javamail.JavaMailSenderImpl.connectTransport(JavaMailSenderImpl.java:518) at org.springframework.mail.javamail.JavaMailSenderImpl.doSend(JavaMailSenderImpl.java:437) at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:361) at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:356) at org.thingsboard.rule.engine.mail.TbSendEmailNode.sendEmail(TbSendEmailNode.java:105) at org.thingsboard.rule.engine.mail.TbSendEmailNode.lambda$onMsg$0(TbSendEmailNode.java:78) at com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:125) at com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:69) at com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:78) at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692) at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)
