抓取它后,如何在erlang中写入一个异常堆栈跟踪? [英] How can I write an exception stack trace in erlang after catching it?
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问题描述
try code_that_fails()
catch _:_ - > .....
如何在catch块中打印stacktrace?该块捕获所有异常,但我不知道如何打印堆栈...
你能帮助我吗?
解决方案
请参阅 get_stacktrace / 0 ,它允许您在调用过程中获取最后一个异常的堆栈跟踪。
try
code_that_fails()
catch
_:_ - >
erlang:display(erlang:get_stacktrace())
end
Suppose I have something like this :
try code_that_fails()
catch _:_ -> .....
How do I print the stacktrace in the catch block? That block catches all exceptions, but I don't know how to print the stack...
Can you help me?
解决方案
See get_stacktrace/0 which allow you to get the stacktrace of the last exception in the calling process.
try
code_that_fails()
catch
_:_ ->
erlang:display(erlang:get_stacktrace())
end
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