Websphere：在MailMessage或'MailHeaders.TO'標頭上未提供任何收件人

Question

嘗試通過Postman調試API（使用JDK 1.6部署在IBm Websphere Community Edition 3.x中）時，出現以下錯誤。

2017-04-26 16:14:57,779 ERROR [LoggingHandler] org.springframework.messaging.MessageHandlingException: error occurred in message handler [org.springframework.integration.mail.MailSendingMessageHandler#3]; nested exception is java.lang.IllegalStateException: No recipient has been provided on the MailMessage or the 'MailHeaders.TO' header.
    at org.springframework.integration.handler.AbstractMessageHandler.handleMessage(AbstractMessageHandler.java:139)
    at org.springframework.integration.dispatcher.BroadcastingDispatcher.invokeHandler(BroadcastingDispatcher.java:227)
    at org.springframework.integration.dispatcher.BroadcastingDispatcher.access$000(BroadcastingDispatcher.java:51)
    at org.springframework.integration.dispatcher.BroadcastingDispatcher$2.run(BroadcastingDispatcher.java:207)
    at org.springframework.integration.util.ErrorHandlingTaskExecutor$1.run(ErrorHandlingTaskExecutor.java:55)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
    at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.IllegalStateException: No recipient has been provided on the MailMessage or the 'MailHeaders.TO' header.
    at org.springframework.util.Assert.state(Assert.java:392)
    at org.springframework.integration.mail.MailSendingMessageHandler.applyHeadersToMailMessage(MailSendingMessageHandler.java:175)
    at org.springframework.integration.mail.MailSendingMessageHandler.convertMessageToMailMessage(MailSendingMessageHandler.java:121)
    at org.springframework.integration.mail.MailSendingMessageHandler.handleMessageInternal(MailSendingMessageHandler.java:77)
    at org.springframework.integration.handler.AbstractMessageHandler.handleMessage(AbstractMessageHandler.java:127)
    ... 7 more

API可以在其他環境下正常工作，但是我的本地環境和開發環境都可以。

Answer 1

其中一個數據庫為空，在輸入了相關數據后，數據庫已解決。