>I am using Oro 2.0.1. I get a StackOverflowError and it looks to me like
>the problem that was described in the Thread "Stack Overflow Problem"
...
>I tried several changes for the regular expressions but I always got the
>following StackOverflowError if the input String is quite long (see
>attached test program):
I ran your test program with no problems using jakarta-oro 2.0.8 and
JDK's 1.2, 1.3, and 1.4 for Linux. I then downloaded the 2.0.1
distribution and tried the same thing with that with the same result.
What Java runtime are you using and on what OS? You have a few
of options if the problem can't be reproduced. One is to increase
your stack size. Another is to try a different JVM or fiddle with
options like JIT optimizations. Yet another is to rewrite the
regular expression to the more compact and efficient:
String regexp_pattern = "{(\\d+):([^}]*)(?!-})";
Basically, you never want to use the form ((foo)*) when (foo*) will do.
I'm not entirely sure of your requirements, but if the input will
never be empty (always at least be a "-" before ending "}"), then
+ instead of * is preferable:
String regexp_pattern = "{(\\d+):([^}]+)(?!-})";
Hope that helps.
daniel
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