Puppet users - Jul 2012 - Puppet template tags and Java JSP tags

Hi All,

I was trying to templatize some JSP page I would like to dynamically 
generates but it looks like puppet doesn''t like it.

Common JSP tags are <% ... %> so I guess it''s getting confused
between
regular tags and jsp''s one.

This is an example of the trace it is givin me :

/etc/puppet/modules/xxx/templates/webapps/xxx/yyy/Mantle.jsp:1:in
`result'': 
> compile error (SyntaxError)
> /etc/puppet/modules/xxx/templates/webapps/xxx/yyy/Mantle.jsp:1: syntax 
> error, unexpected tIDENTIFIER, expecting $end
>
Is there any know way to deal with JSP pages ?

Thanks all, 

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Hi,

On 07/22/2012 04:02 AM, Yanis Guenane wrote:
> Hi All,
> 
> I was trying to templatize some JSP page I would like to dynamically
> generates but it looks like puppet doesn''t like it.
> 
> Common JSP tags are <% ... %> so I guess it''s getting
confused between
> regular tags and jsp''s one.
> 
> This is an example of the trace it is givin me :
> 
>     /etc/puppet/modules/xxx/templates/webapps/xxx/yyy/Mantle.jsp:1:in
>     `result'': compile error (SyntaxError)
>     /etc/puppet/modules/xxx/templates/webapps/xxx/yyy/Mantle.jsp:1:
>     syntax error, unexpected tIDENTIFIER, expecting $end
> 
> 
> Is there any know way to deal with JSP pages ?
I don''t know of a simple way. You probably need to escape all JSP tags
(which doesn''t seem to be worth the hassle, really ;)

Cheers,
Felix

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On Saturday, July 21, 2012 9:02:50 PM UTC-5, Yanis Guenane
wrote:
>
> Hi All,
>
> I was trying to templatize some JSP page I would like to dynamically 
> generates but it looks like puppet doesn''t like it.
>
> Common JSP tags are <% ... %> so I guess it''s getting
confused between
> regular tags and jsp''s one.
>
> This is an example of the trace it is givin me :
>
> /etc/puppet/modules/xxx/templates/webapps/xxx/yyy/Mantle.jsp:1:in 
>> `result'': compile error (SyntaxError)
>> /etc/puppet/modules/xxx/templates/webapps/xxx/yyy/Mantle.jsp:1: syntax 
>> error, unexpected tIDENTIFIER, expecting $end
>>
>
> Is there any know way to deal with JSP pages ?
>
ERB is the Ruby analog to the templating aspects of JSP, even sporting 
overlapping syntax (as you discovered).  If you must create a JSP page by 
processing a template with ERB, then any literal JSP tag delimiters in the 
ERB template must be escaped.  The Ruby docs for class ERB give the syntax: 
<%% maps to <%, and %%> maps to %>.

You''ll have to decide whether that''s worthwhile, or whether to
look for a
better way.  For sure, if there are many JSP tags or much scriptlet code in 
your JSP, then it is already difficult enough to read and maintain before 
you convert it into an ERB template.


John

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Thanks a lot to both of you. Effectively, escaping the JSP opening tag with 
<%% made the trick.

The closing tag needs not to be closed. It is not interpreted in anyway.

@John : Thanks for the complementaries informations to do it with ERB.

On Monday, July 23, 2012 2:57:13 PM UTC+2, jcbollinger
wrote:
>
>
>
> On Saturday, July 21, 2012 9:02:50 PM UTC-5, Yanis Guenane wrote:
>>
>> Hi All,
>>
>> I was trying to templatize some JSP page I would like to dynamically 
>> generates but it looks like puppet doesn''t like it.
>>
>> Common JSP tags are <% ... %> so I guess it''s getting
confused between
>> regular tags and jsp''s one.
>>
>> This is an example of the trace it is givin me :
>>
>> /etc/puppet/modules/xxx/templates/webapps/xxx/yyy/Mantle.jsp:1:in 
>>> `result'': compile error (SyntaxError)
>>> /etc/puppet/modules/xxx/templates/webapps/xxx/yyy/Mantle.jsp:1:
syntax
>>> error, unexpected tIDENTIFIER, expecting $end
>>>
>>
>> Is there any know way to deal with JSP pages ?
>>
>
> ERB is the Ruby analog to the templating aspects of JSP, even sporting 
> overlapping syntax (as you discovered).  If you must create a JSP page by 
> processing a template with ERB, then any literal JSP tag delimiters in the 
> ERB template must be escaped.  The Ruby docs for class ERB give the syntax:
> <%% maps to <%, and %%> maps to %>.
>
> You''ll have to decide whether that''s worthwhile, or
whether to look for a
> better way.  For sure, if there are many JSP tags or much scriptlet code in
> your JSP, then it is already difficult enough to read and maintain before 
> you convert it into an ERB template.
>
>
> John
>
>
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