| Author |
Message |
< Erlang ~ Process Manager |
| cswanson |
 Posted: Mon Feb 28, 2011 2:31 am |
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Joined: 28 Feb 2011
Posts: 4
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Hello,
I'm learning erlang from the O'Reilly book and I am getting the following output when I run the pman:start(). command:
1> pman:start().
** exception exit: {startup_timeout,pman}
in function pman:start/2
I've searched the forum for 'pman' and there was not very much. Even Google had few matches when given the above error.
This could be because this is not a popular tool.
Any help will be appreciated.
P.S. I am able to get the debugger to work which hopefully clears wx library issues. |
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| rvirding |
| Posted: Mon Feb 28, 2011 10:16 am |
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User
Joined: 30 Aug 2006
Posts: 452
Location: Stockholm, Sweden
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| What OS are you running? Which version of Erlang and how have you downloaded it? |
_________________
Robert Virding, Erlang Solutions Ltd. |
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| cswanson |
| Posted: Mon Feb 28, 2011 3:29 pm |
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Joined: 28 Feb 2011
Posts: 4
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I am running Gentoo. Here's uname -a:
Linux fissure 2.6.36-gentoo-r5 #5 SMP Sun Feb 20 09:33:58 PST 2011 x86_64 Intel(R) Pentium(R) Dual CPU T2390 @ 1.86GHz GenuineIntel GNU/Linux
I did not install erlang from Gentoo however as the wx libraries did not work out of the box for the debugger. Therfore, I am running otp_src_R13B04 with gtk+-2.20.1 and wxWidgets-2.8.11. No special options to ./configure for otp. |
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| cswanson |
| Posted: Wed Mar 09, 2011 6:11 am |
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Joined: 28 Feb 2011
Posts: 4
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I solved it. I hope this post can be useful for those that want to learn Erlang and may be having trouble getting an environment conducive to learning Erlang.
What was missing in my case was TCL/TK. However, there were some issues that prevented me from using the stock Gentoo tcl/tk instllation and the wxWidgets installation. Ironically, I chose to install a new version of Linux to use the stock installations as in the past I've chosen to install from source and here again I found installing from source to be the best course.
The wxWidgets concern for the debugger had some simple code patches to gtk which was causing the ./configure file in otp_/lib/wx to fail. I did a dirty hack to the glcanvas.h file to accommodate a compiler complaint and the result was a clean build.
The tcl/tk concern required following the README in the Erlang gs directory and patching the gstk_port_handler.erl to search for tcl[0-9].* instead of tcl[0-9]. The latest X11 base created a new GenericEvent object(?) that tcl 8.4.19 was unprepared to accommodate. Upgrading to tcl 8.5 seemes to create a particular directory structure that included sub-directories tcl8, tck8.5, and tk8.5. The gstk_port_handler.erl init/2 function found the subdirectories tcl8 and tcl8.5 and returned an error: { badmatch, [...]}. Adding the period to the search enabled a correct match and positive conclusion the the init/2 function.
I built most of the relevant source to culminate in an otp install that supports the debugger and the gs tools. The Build.sh script can be used to build the otp install or be used as a reference to those that may want to improve upon it. It's pretty basic as far as scripts go.
Again, I hope this post can be used as a means to enable others to overcome particular frustrations they may encounter along the way of learning a functional language such as not having a debugger. |
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| cswanson |
| Posted: Wed Mar 09, 2011 6:13 am |
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Joined: 28 Feb 2011
Posts: 4
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| wuji |
| Posted: Fri Aug 17, 2012 8:19 am |
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User
Joined: 10 Aug 2012
Posts: 654
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| dongdongwu |
| Posted: Thu Sep 20, 2012 3:29 am |
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Joined: 19 Sep 2012
Posts: 236
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