The attached, very simple App fails on all recent versions of jdk7. A bug report has been filed.
Can you provide the bug id#
The string implementation changed significantly between 7u5 and 7u6.
Substring now causes the contents to be copied, resulting in significant performance degradation.
This has already been reported as bug: 7197183
The attachment didn't work. Here is a pastebin link:
Fixed in 1.7.0_06-ea-b18. Great, thanks.
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