To enable logging for JSP pages

Could you also include the information on how we can add the org.apache.sling.commons.log.names values for those which are inside a jsp page. I believe the value needs to be something like apps.myapp if the center.jsp is inside apps/myapps/center.jsp.
However this is not working for me.

Hi, JSPs are compiled into packages below org.apache.jsp with the script path converted to further package parts. So in your example the /apps/myapps/center.jsp is compiled into the package: org.apache.jsp.apps.myapps.

Thus the logger must be setup with this prefixed package.

Disk space growing on the CQ author server?

If the disk space on the CQ5 author server is growing at 1-2GBs per day, then check on the filesystem, to see where the growth is at.

If you find that the "journal" directory is GigaBytes then check out this article : http://dev.day.com/content/kb/home/Crx/Troubleshooting/JournalTooMuchDiskSpace.html

Symptoms

With a default FileJournal configuration in place, depending on the activity on the repository, over time, many Journal log-files will be created. This eventually may cause a disk space issue and performance problems in applications that use CRX.

Cause

The default configuration of the Journal theoretically allows for an unlimited number of rotated log-files.

Non-clustered environment resolution :-

In a non-clustered environment where CRX is running standalone, it is recommended to configure the maximum size of a Journal log-file to 100MB and limit the number of allowed files to 1. This is more than sufficient for such a setup.
<Journal class="com.day.crx.core.journal.FileJournal">
<param name="sharedPath" value="${rep.home}/shared"/>
<param name="maximumSize" value="104857600" />
<param name="maximumFiles" value="1" />
</Journal>



Note, made this change on an author which was struggling to stay up daily and it made a difference. Also we were able to cleanly shutdown the author after applying this change. Saved 35gb of disk space. Although, the journal file is still filling up 100MB every hour. Need to turn this off completely....

Checking disk usage in CRX

Use this URL to see what is using the most disk space in CRX :-

http://localhost:4502/etc/reports/diskusage.html?path=/content/dam

Adding accessibility 'skip to' links

<div id="accessibility">
<a href="#skiptonavigation" accesskey="n">Skip to navigation</a>
<a href="#skiptocontent" accesskey="c">Skip to content</a>
</div>

<a name="skiptocontent"></a>


#accessibility {display: absolute; }
#accessibility a
{
position:absolute;
left:-10000px;
top:auto;
width:1px;
height:1px;
overflow:hidden;
}
#accessibility a:focus
{
position:static;
width:auto;
height:auto;
}

from http://webaim.org/techniques/css/invisiblecontent/



Looping through the children of a specified node

Here is a JSP to dump out the child nodes of a specified parent node, & the properties of the child nodes.


<%request.setAttribute("silentAuthor", new Boolean(true));%><%
%><%@include file="/libs/foundation/global.jsp"%><%
response.setContentType("text");
response.setCharacterEncoding("utf-8");
%><%@ page import="java.util.Iterator,
com.day.cq.wcm.foundation.Paragraph,
com.day.cq.wcm.foundation.ParagraphSystem,
com.day.text.Text,
com.day.cq.tagging.Tag,
com.day.cq.wcm.api.PageFilter,
com.day.cq.tagging.TagManager,
com.day.cq.wcm.api.components.IncludeOptions,
java.util.Calendar,
java.util.Collection,
java.util.regex.*,
java.util.Map,
org.apache.sling.api.resource.ResourceUtil,
org.apache.commons.lang.StringUtils,
org.apache.commons.lang.StringEscapeUtils"%><%

//slingResponse.setContentType("application/xml;charset=utf-8");
slingResponse.setCharacterEncoding("utf-8");

String fullRecipeList = slingRequest.getParameter("pathsList");
if (!StringUtils.isEmpty(fullRecipeList))
{
String[] recipeList = fullRecipeList.split("\n");


for (int recipeCount=0; recipeCount < recipeList.length; recipeCount++)
{
if (StringUtils.isEmpty(recipeList[recipeCount].trim()))
{
continue;
}

// Strip off everything after the ".html"
int positionOfHtml = recipeList[recipeCount].indexOf(".html");
String currentRecipePath = "";
if (positionOfHtml > 0)
{
currentRecipePath = recipeList[recipeCount].substring(0, positionOfHtml);
}
else
{
currentRecipePath = recipeList[recipeCount];
}

Resource resRootPage = slingRequest.getResourceResolver().resolve(currentRecipePath);

if (resRootPage == null)
{
continue;
}

Iterator children = ResourceUtil.listChildren(resRootPage);

while (children.hasNext())
{
Resource resourcePage2 = children.next();

if (resourcePage2.getPath().indexOf("jcr:content") > -1)
{
continue;
}

Node n = resourcePage2.adaptTo(Node.class);
if (n == null)
{
continue;
}
%>
<%= n.getPath() %> <%
PropertyIterator resProps = n.getProperties();
if (resProps == null)
{
continue;
}

long nProps = resProps.getSize();
for (int i = 0; i < nProps; i++)
{
Property p = resProps.nextProperty();
if (!p.getDefinition().isMultiple())
{
%> <%= p.getName() %> <%= p.getString() %> <%
}
}
}
}
}
%>

Components need dialogs

Weird behaviour. I can't get a component to appear in the design view unless it has a dialog associated with it.

Accessing DAM Asset meta information

Here's some cool information from AK:-

To get the metadata in a simplefashion, you can use the standard sling json representation:
http://localhost:4502//jcr:content/metadata.infinity.json

For example:
http://localhost:4502/content/dam/geometrixx/banners/dsc.jpg/jcr:content/metadata.infinity.json

Docs on metadata:
http://dev.day.com/content/docs/en/cq/current/dam/metadata_for_digitalasset
management.html

There is also the Sharepoint connector for JCR as a separate product,
which might be useful if there is a Sharepoint involved:
http://dev.day.com/content/docs/en/crx/connectors/sharepoint/current.html

If you need further custom code on the CQ side to provide e.g. new
servlets / JSPs that expose dam assets in a custom way, here are some more
links:

General docs:
http://dev.day.com/content/docs/en/cq/current.html#Working%20with%20Digital
%20Assets%20in%20CQ%20DAM

CQ DAM API (Java):
http://dev.day.com/content/docs/en/cq/current/javadoc/com/day/cq/dam/api/pa
ckage-summary.html

Some more (developer) info on extending DAM:
http://dev.day.com/content/docs/en/cq/current/dam/customizing_and_extending
cq5dam.html

Regards,
Alex