[xwiki-users] [Resend] Distributed architecture with MySQL

[Dowson_Jim]

(got a bounce from the listserv, so I am resending)

Are there any specific directions on setting up a distributed
xwiki/MySQL deployment?

I am following the steps I was able to find in the administration guide
on xwiki.org, but I am getting some 'surprising' results.

Before I ask the questions here, I wanted to make sure I was using the
'right' directions.

Thanks in advance,
Jim
-- 
Jim Dowson, CTO - Global Services, EMC Corporation

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[xwiki-users] Excel plug-in

[Dowson_Jim]

Has anyone recently tried the Excel plug-in on Xwiki 1.3 (standalone)?

 

Installation

Download the Java Excel API   and
copy the jxl.jar file to the %xwikipath%/WEB-INF/lib/ directory of your
xwiki installation.

Edit your WEB-INF/xwiki.cfg file as follows: 

xwiki.plugins=[...],edu.uci.ics.mondego.wiki.plugin.excel.ExcelPlugin

Copy the plugin jar
  to
the %xwikipath%/WEB-INF/lib/ directory of your xwiki installation.

Restart your XWiki instance

 

I used the plug-in from the first link (version 2.6.6.), and xwiki
adapter in the second link - and it didn't behave well at all..

 

Do I need to stay with all the components under
http://code.xwiki.org/xwiki/bin/view/Plugins/ExcelPluginDownload ?

 

 

--

Jim Dowson

CTO, Global Services, EMC Corporation

Linx: (617) 598-0505

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Re: [xwiki-users] Using a Google search appliance with xwiki

[Dowson_Jim]

Guillaume Lerouge [mailto:[EMAIL PROTECTED] writes:

> I don't think there's a risk, but you may want to add 
> "contains:delete", "contains:edit", "contains:inline" & 
> "contains:?editor=" to your list... 
> At worse it will make indexing faster.

I understand the ?editor= pattern.

I'm concerned that first three might wildcard exclude too much.

Can you provide additional guidance on the url pattern so that a page
called "delete%20an%object" is not included, for example?

Thanks, Guillaume.

--
Jim Dowson
CTO, Global Services, (821-76814)
Linx: (617) 598-0505


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[xwiki-users] Using a Google search appliance with xwiki

[Dowson_Jim]

I was able to quickly integrate our lab environment's Google Mini
Appliance with xwiki today...

 

The set-up of the appliance was simple (after some experimentation on
what to filter out to reduce redundancy and confusion);

 

1.   List of urls to crawl (e.g  http://hostname.domain:8080/xwiki )

2.   List of patterns to follow (e.g. hostname.domain:8080/xwiki)

3.   List of patterns to NOT crawl - I added to the default list
the following

a.   contains:?viewer=code

b.  contains:?format=rtf

c.   contains:?format=pdf

d.  contains:?tag=

e.  contains:?xpage=print

f.contains:?rev=

 

and then let it start crawling...

 

I added the following to a page:

 

{image:Google.gif}





http://googleappliance.domain/search";>

  



  













  



  





 

 

... and it was up and running with an inline Google Search. It indexed
the pages and attachments quickly, and it's a pleasure to use.

 

The Lucene engine will still be useful to us, because it permits
filtering and understands the structure (spaces, authors) and we have
adapted it for our reputation engine.

--

Jim Dowson

CTO, Global Services, EMC Corporation

Linx: (617) 598-0505

 

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Re: [xwiki-users] Roadmap for XE 1.4

[Dowson_Jim]

Vincent Massol writes:

>>  - proper versioning (if 2 different users upload the same
document name)

> What's not working with versioning of attachments? I don't recall  
> seeing a problem about this.

It might only be under 1.2 - but if someone downloads an attachment
created by a different user, updates it & then uploads the file under
the same name, it does not appear as a version of the prior document -
it's a new document. 

To get around this we had to have folks doing updates to authenticate
under the same username (for one particular document).

>> Wishlist
>> 
>>  - Table of contents macro a la mediawiki

> Already exists (unless the mediawiki one does something we don't). See

> http://code.xwiki.org/xwiki/bin/view/Macros/TocMacro

Yes, but No :-) I mean with the same show/wide-in-a-box functionality.

When creating large pages, this becomes very important - and the toc
macro needs a nice wrapper around it ... like mediawiki has ;-) 

>>  - WebDAV would be nice...

> Yep. We're planning to do that one as part of the Google Summer of  
> Code so that's probably going to be more for XE 1.5 or later.

It can definitely wait until 1.5 or later - I was only wishing. 

>> We're looking to contribute the notion of a simple reputation engine
>> (user and content rating) that we have in prototype now.

> Very cool!

How should we best do this? Show the code here (or devs)?

The last time I played with xwiki.org, I got slapped :-) (and rightfully
so!)
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Re: [xwiki-users] Roadmap for XE 1.4

[Dowson_Jim]

Vincent Massol writes:

> I'd like everyone's input for defining the XE 1.4 roadmap both on the

> general objectives and specific features/bugs to implement/fix.

Specific issues to implement/fix


WYSIWYG editor stability
- Table behavior (a new table editor would be welcome)
- Whitespace processing 
- Misbehavior in the presence of code or complex styles

Attachment handling
- memory / resource demands
- proper versioning (if 2 different users upload the same
document name)

Wishlist

- Table of contents macro a la mediawiki
- WebDAV would be nice...


We're looking to contribute the notion of a simple reputation engine
(user and content rating) that we have in prototype now.


--
Jim Dowson
CTO, Global Services, EMC Corporation 
Linx: (617) 598-0505

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[xwiki-users] The right way to present the Lucene search engine?

[Dowson_Jim]

If I wanted to have a page that presented the Lucene search engine (a la
the Google home page), what is the 'right' way to do this?

 

I'm guessing that it's to #include Main.Search ?

 

Thanks in advance.

 

--

Jim Dowson

CTO, Global Services, EMC Corporation

Linx: (617) 598-0505

 

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[xwiki-users] Problem using 'delete space' snippet

[Dowson_Jim]

I was using the 'delete page snippet' from
http://code.xwiki.org/xwiki/bin/view/Snippets/DeleteSpaceSnippet 

 

When confirming a space to be deleted (under 1.2-milestone-2.5917), self
contained Windows version

 

I received the following error:

 

Error number 4001 in 4: Error while parsing velocity page Main.Delete
Space

Wrapped Exception: Invocation of method 'delete' in  class
com.xpn.xwiki.api.Document threw exception java.lang.OutOfMemoryError:
Java heap space @ Main.Delete Space6,71?

com.xpn.xwiki.XWikiException: Error number 4001 in 4: Error while
parsing velocity page Main.Delete Space

Wrapped Exception: Invocation of method 'delete' in  class
com.xpn.xwiki.api.Document threw exception java.lang.OutOfMemoryError:
Java heap space @ Main.Delete Space6,71?

at
com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRendere
r.java:157)

at
com.xpn.xwiki.render.XWikiVelocityRenderer.render(XWikiVelocityRenderer.
java:95)

at
com.xpn.xwiki.render.DefaultXWikiRenderingEngine.renderText(DefaultXWiki
RenderingEngine.java:222)

at
com.xpn.xwiki.render.DefaultXWikiRenderingEngine.renderText(DefaultXWiki
RenderingEngine.java:154)

at
com.xpn.xwiki.render.DefaultXWikiRenderingEngine.renderText(DefaultXWiki
RenderingEngine.java:125)

at
com.xpn.xwiki.render.DefaultXWikiRenderingEngine.renderDocument(DefaultX
WikiRenderingEngine.java:117)

at
com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:40
7)

at
com.xpn.xwiki.api.Document.getRenderedContent(Document.java:371)

at sun.reflect.GeneratedMethodAccessor126.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at
org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invok
e(UberspectImpl.java:295)

at
org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java
:245)

at
org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReferenc
e.java:203)

at
org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference
.java:294)

at
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.jav
a:318)

at
com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRendere
r.java:238)

at
com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRendere
r.java:152)

at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1309)

at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1278)

at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:599)

at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at
org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invok
e(UberspectImpl.java:295)

at
org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java
:245)

at
org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReferenc
e.java:203)

at
org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference
.java:294)

at
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.jav
a:318)

at
org.apache.velocity.runtime.directive.VelocimacroProxy.render(Velocimacr
oProxy.java:194)

at
org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective
.java:170)

at
org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:74
)

at
org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfState
ment.java:88)

at
org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:74
)

at
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.jav
a:318)

at
org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfState
ment.java:107)

at
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.jav
a:318)

at
com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRendere
r.java:238)

at
com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRendere
r.java:152)

at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1309)

at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1278)

at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:105)

at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:158)

at
org.apache.struts.action.RequestProcessor.processActionPerform(RequestPr
ocessor.java:431)

at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:
236)

at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)

at
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)

at javax.servlet.http.HttpServlet.service(HttpServlet.jav

[xwiki-users] Poll / Surveys?

[Dowson_Jim]

Vincent mentions surveys/polls at
http://platform.xwiki.org/xwiki/bin/view/Main/SecondGenerationWiki - are
there any examples of code for this?

 

Thanks in advance,

 

--

Jim Dowson

CTO, Global Services, EMC Corporation

Linx: (617) 598-0505

 

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Re: [xwiki-users] Another language question

[Dowson_Jim]

Ludovic writes:
> Note that our handling of multilinguism is different than Wikiepdia. 
> Wikipedia links documents on the same subject in different wikis (one 
> per language).
> In XWiki we make one document have multiple languages. The same URL
will 
> have different content.

> By default the user will receive the one that has the lanugage of its 
> browser.

So as you probably know, our European brethren's ability to read other
languages is better than that of the new world ;-)

Is it easy/possible to switch between language pages on the same url?
(German user wants to read the English version)

I see the Language flag in the upper right hand corner - is that how you
switch? What happens to attachments, comments etc...

PS: Vincent - the documentation page you linked to is not clear (to me)
on this use case. 

Thanks in advance!
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[xwiki-users] Another language question

[Dowson_Jim]

Can xwiki handle page entries in different languages as parallel entries
(similar to mediawiki/Wikipedia)?

 

e.g. see 

 

http://en.wikipedia.org/wiki/EMC_Corporation,
http://de.wikipedia.org/wiki/EMC_Corporation ,
http://fr.wikipedia.org/wiki/EMC_Corporation etc...

 

I'm looking for a way to support international access and collaboration.

 

Also, are people using "simple Chinese" to support Japanese users?

 

Thanks in advance...

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CTO, Global Services, EMC Corporation

Linx: (617) 598-0505

 

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Re: [xwiki-users] [Error]: Java heap memory error on adding large attachment

[Dowson_Jim]

Ricardo Rodriguez wrote:

>>[EMAIL PROTECTED] wrote:
>> An MS Word document. 
>>
>> The error also happened with a 6.5 MB zip file - so the xwiki limit
of
>> 10MB may not be the issue (although documents larger than the alleged
>> 1MB MySQL limit have been successfully uploaded). 

>Thus, the problem may arise from the amount of memory available for 
>Java. What servlet container are you using? I've seen this error here 
>running Tomcat. You can increase this amount by passing this parameter 
>"-Xmx256m -Xms256m" (in this case 256Mb will be the new amount of 
>available memory) at startup time.

I'll have to check with the lab folks - I believe they started with the
1.2M2 Windows complete build, then upgraded to 1.2RC2.

I will let you know after I have heard from them. 

I wanted to make the changes one step at a time to isolate the root
cause.

>So, you have to shutdown your servlet container, modify some script to 
>startup.sh, catalina.sh or whatever your are using to launch Tomcat, to

>>add this paramenters to CATALINA_OPTS or JAVA_OPTS. I have not a clear

>idea about what is the right variable to be modified. Any feedback will

>be really welcome.

> Here is the script I am using here to start Tomcat:

>mire:/home/webmaster/bin # cat start_tomcat6
>#!/bin/sh
>export CATALINA_HOME=/usr/share/tomcat-6.0.10
>export JAVA_HOME=/usr/share/java/jre-1.6.0_01
>export JRE_HOME=/usr/share/java/jre-1.6.0_01
>export CATALINA_OPTS="-Xmx512m -Xms512m"
>export JAVA_OPTS="-Xmx512m -Xms512m"
>$CATALINA_HOME/bin/startup.sh

>As per your question about the need of restarting XWiki so that the new

>configuration values become effective. Yes, this is required. xwiki.cfg

>is read at deployment time. So if you have any utility that allow you
to 
>restart just one application, you are a lucky person :-) If you have
not 
>it, just restart the servlet container.

I expected that to be the case - and the FAQ should be updated to
reflect that 
(I didn't consider myself as authoritative, so I didn't want to edit the
entry). 

I would also suggest that the error code (Java ) be added to the
text as well.

>I am sure there are people out there with a much more in depth
knowledge 
>about this issue. But this has helped me. I hope it could be useful for

>you as well.

Perhaps, but by speaking, you're the most effective person ;-)

I'll update you (here) after we apply the changes and test again.

Thanks for your help!
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Re: [xwiki-users] [Error]: Java heap memory error on adding large attachment

[Dowson_Jim]

Ricardo Rodriguez wrote:

>[EMAIL PROTECTED] wrote:
>>
>> When attempting to upload a 10.5MB file attachment to a page in  XE 
>> 1.2-milestone-2.5917, user consistently get the error:
>>
>> Java Heap Space Out Of Memory Exception !

> Hi,
>
>
http://www.xwiki.org/xwiki/bin/view/FAQ/Howtoincreasethemaximumattachmen
tsize

Thanks - I have modified the xwiki preferences (as described) - does XE
need to be restarted for it to take effect?

(I haven't changed mySQL yet) - but will do some more testing first.


>Just curiosity, what kind of file are you uploading? An image? Thanks.

An MS Word document. 

The error also happened with a 6.5 MB zip file - so the xwiki limit of
10MB may not be the issue (although documents larger than the alleged
1MB MySQL limit have been successfully uploaded). 

I'm going to test again, then look at the MySQL params...

Thanks

--
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CTO, Global Services, (821-76814)
Linx: (617) 598-0505

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[xwiki-users] [Error]: Java heap memory error on adding large attachment

[Dowson_Jim]

When attempting to upload a 10.5MB file attachment to a page in  XE
1.2-milestone-2.5917, user consistently get the error:


Java Heap Space Out Of Memory Exception !


and the operation fails.

 

Any suggestions on where to start (default java config?)

 

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CTO, Global Services, EMC Corporation

 

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[xwiki-users] Whitespace in tags?

[Dowson_Jim]

I am having trouble with whitespace handling in tags (1.1.2 & 1.2RC2 on
Windows 2003 and Windows XP locally  - and even on xwiki.org itself).

 

tag1|tag2|word3 word4 

 

becomes

 

tag1|tag2|word3|word4

 

 

and

 

tag1|tag2|tag 3|tag 4

 

becomes

 

tag1|tag2|tag|3|tag|4 

 

 

I would consider this a bug - am I wrong?

 

[I used the object properties in the object editor and the tag dialog
box in page wiki edit mode with the same result]

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