Oh sorry, there is a typo in the line,
case. 'Linux' do.
should be
fcase. 'Linux' do.
Ср, 13 июл 2016, Moon S написал(а):
> I ran jconsole in CentOS image in Docker and I got this error:
>
> [root@8f75854deac7 /]# /usr/j/bin/jconsole
> |noun result was required
> | 0=1!:4 ::0:<f
>
> Unfortunately J doesn't report where it happens. But ok, I've found it,
> it's in system/main/regex.ijs:
>
> NB. rxdll is in bin or tools/regex
> 3 : 0''
> select. UNAME
> case. 'Win' do. t=. 'jpcre.dll'
> case. 'Darwin' do. t=. 'libjpcre.dylib'
> case. 'Linux' do.
> if. 2 0-:('libpcreposix.so.3 dummyfunction n')&(15!:0) ::(15!:10) '' do.
> rxdll=: 'libpcreposix.so.3'
> jregcomp=: ('"',rxdll,'" pcreposix_regcomp + i *x *c i')&(15!:0)
> jregexec=: ('"',rxdll,'" pcreposix_regexec + i *x *c x *i i')&(15!:0)
> jregerror=: ('"',rxdll,'" pcreposix_regerror + x i * *c x')&(15!:0)
> jregfree=: ('"',rxdll,'" pcreposix_regfree + n *x')&(15!:0)
> '' return.
> end.
> case. do. t=. 'libjpcre.so'
> end.
>
> f=. BINPATH,'/',t
> if. 0 = 1!:4 :: 0: <f do.
>
> If there's no 'libpcreposix.so.3' where J expects it to be, it fails: 't'
> is not assigned etc etc.
> Actually there's some libpcreposix in the image, e.g.
> '/usr/lib64/libpcreposix.so.0'. In my case, just changing 'so.3' to 'so.0'
> fixed the error.
>
> Anyway it would be nice to have a bit better error diagnostics.
>
> Thank you.
>
> Georgiy Pruss
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
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