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I've tried Scala on two computers. It works fine on a Windows Professional 64-Bit OS, but the REPL and scalac crash nastily on Windows Professional 32-Bit when running directly from the command line.

I've tried both the 2.9 and 2.10 releases, and they both return the following error:

Welcome to Scala version 2.10.0-M6 (Java HotSpot(TM) Client VM, Java 1.7.0_05).
Type in expressions to have them evaluated.
Type :help for more information.

scala> val x : Int = 1

Failed to initialize the REPL due to an unexpected error.
This is a bug, please, report it along with the error diagnostics printed below.
java.util.concurrent.ExecutionException: java.util.regex.PatternSyntaxException: Unknown character property name {r} near index 5
^C:\Program Files\Java\includes\.*.jar$

Followed by about 100 lines of related errors grouped under that first one. I'm not sure what to make of it. Perhaps more interestingly, it seems to work fine when I run it from Netbeans.

I have the latest version of the JDK installed (7u5), if that makes a difference.

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This is a bug, please, report it along – Sathya Aug 5 '12 at 7:29
Did so. Looks like nobody has an answer. If you want to post that as an answer, I'll mark it accepted. – KChaloux Aug 7 '12 at 0:29
you can add your own answer, complete with links to the bug report :) – Sathya Aug 7 '12 at 4:22
up vote 0 down vote accepted

Nobody seems to have an answer to this one, and @Sathya suggested that I report it as a bug. You can find the report link here if you're interested. I'd be curious to know if anybody else can reproduce this.

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