问题
Anyone knows whether javax.xml.soap.MessageFactory's instance is thread-safe or not?
I can't find any documentation related to it.
回答1:
If you see no documentation on whether something is thread-safe you should assume that is it not. This will prevent a lot of headache if you assume it is and it is not.
来源：https://stackoverflow.com/questions/25279280/javax-xml-soap-messagefactorys-instance-is-thread-safe