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Effect of StackOverflow error on server

 
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Hello,
Was wondering if one of the requests to a web server results in StackOverflow error is the whole server shutdown or just the thread dies or an error is thrown back to the client?
 
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I believe it has to do with the stack that is maintained per Java Thread launched inside the JVM. Read this troubleshooting report I don't think it affects the whole web server as such.
 
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Generally I find that such errors hose the entire JVM and the server is toast.
 
Mansukhdeep Thind
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Bear Bibeault wrote:Generally I find that such errors hose the entire JVM and the server is toast.



But why should it affect the underlying web server Bear? If a standalone Java application halts due to the same error, the underlying platform or OS remains unaffected.
 
Bear Bibeault
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I have no interest in the theoretical. In practice, I have observed that when the code hits any kind of memory error, especially PermGen errors, that the server is wedged.
 
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Stack Overflow most commonly occurs when you have an infinite recursion loop. It will cause the thread that recurses to fail, but the rest of the system will usually continue on.

PermGen space issues are a different bucket of toads, however. Once you get one of them, you are pretty much doomed.
 
Bear Bibeault
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Yes, that's been my experience. Not sure if Ive ever run up against a stack overflow due to a recursion bug though.
 
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