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Spring EL does not allow '\0' characters [SPR-16032] #20581

spring-issuemaster opened this issue Oct 2, 2017 · 1 comment


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commented Oct 2, 2017

Tony Zeng opened SPR-16032 and commented

Tokenizer class uses the ch == 0 to check whether this expression reaches end, making it is impossible to use \0 in Spring EL like following:


Affects: 4.3.11, 5.0 GA

Reference URL: #1540 (comment)

Referenced from: commits 03b6828, d0d4421

Backported to: 4.3.12


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commented Oct 4, 2017

Juergen Hoeller commented

Thanks for raising this! Fixed through a larger revision of our Tokenizer implementation which turned out to have a few more quirks (including a double process() invocation!)

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