> Dear Scala gurus,

> I have written some scripts in Scala.

> But now, I cannot even run a hello world script like this:

> #!/bin/sh
>     exec scala "$0" "$@"
> !#
> Console.println("Hello, world!")

> under Centos 6.2.

> I have installed the official rpm for Scala 2.9.2.

> Of course, execute permissions are set.

> I'm confused because I can run Scala scripts normally in other CentOS 6.2
> computer.

> The symptomps are that when running from the console, it freezes for ever.

> Any idea please?

> java version "1.6.0_22"
> OpenJDK Runtime Environment (IcedTea6 1.10.6)
> (rhel-1.43.1.10.6.el6_2-x86_64)
> OpenJDK 64-Bit Server VM (build 20.0-b11, mixed mode)

> I have saved the hello world script to a file called "hello".

> It freezes with:

> $ ./hello
> $ scala hello

> El lunes, 19 de noviembre de 2012 11:37:50 UTC+1, David Pérez escribió:

>> Dear Scala gurus,

>> I have written some scripts in Scala.

>> But now, I cannot even run a hello world script like this:

>> #!/bin/sh
>>     exec scala "$0" "$@"
>> !#
>> Console.println("Hello, world!")

>> under Centos 6.2.

>> I have installed the official rpm for Scala 2.9.2.

>> Of course, execute permissions are set.

>> I'm confused because I can run Scala scripts normally in other CentOS 6.2
>> computer.

>> The symptomps are that when running from the console, it freezes for ever.

>> Any idea please?

> On Mon, Nov 19, 2012 at 9:31 AM, David Pérez <san...@gmail.com> wrote:

>> More information:

>> java version "1.6.0_22"
>> OpenJDK Runtime Environment (IcedTea6 1.10.6)
>> (rhel-1.43.1.10.6.el6_2-x86_64)
>> OpenJDK 64-Bit Server VM (build 20.0-b11, mixed mode)

>> I have saved the hello world script to a file called "hello".

>> It freezes with:

>> $ ./hello
>> $ scala hello

>> El lunes, 19 de noviembre de 2012 11:37:50 UTC+1, David Pérez escribió:

>>> Dear Scala gurus,

>>> I have written some scripts in Scala.

>>> But now, I cannot even run a hello world script like this:

>>> #!/bin/sh
>>>     exec scala "$0" "$@"
>>> !#
>>> Console.println("Hello, world!")

>>> under Centos 6.2.

>>> I have installed the official rpm for Scala 2.9.2.

>>> Of course, execute permissions are set.

>>> I'm confused because I can run Scala scripts normally in other CentOS
>>> 6.2 computer.

>>> The symptomps are that when running from the console, it freezes for
>>> ever.

>>> Any idea please?

> --
> Daniel C. Sobral

> I travel to the future all the time.

>> Thanks Paul!!!!
>> It has solved my problem.
>> I wonder why I do need this parameter in one equipment and don't in other
>> ones.
>> I think -nc means no compile daemon.  Does it?
>> Is this a Scala bug or a misconfiguration?.

> The compile daemon is an optimization to make startup of the script
> faster. But has some known issues on certain systems related to TCP/IP
> configuration (here's an in-flight attempt to fix one of them [1])

> -jason

> [1] https://github.com/scala/scala/pull/1646