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https://issues.apache.org/jira/browse/JCR-2884?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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angela updated JCR-2884:
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Component/s: (was: jackrabbit-webdav)
jackrabbit-spi2dav
> query.setOffset() with davex protocol doesn't work
> --------------------------------------------------
>
> Key: JCR-2884
> URL: https://issues.apache.org/jira/browse/JCR-2884
> Project: Jackrabbit Content Repository
> Issue Type: Bug
> Components: jackrabbit-spi2dav
> Affects Versions: 2.2.2, 2.3.0
> Reporter: Christian Stocker
>
> Hi all
> As you maybe know, we're building a PHP Library for interfacing with
> jackrabbit via davex (it's called Jackalope :)). We are running now into an
> issue, that setOffset() doesn't work and I found the problem (but don't have
> a proper fix):
> The HTTP request looks like this:
> <D:searchrequest xmlns:D="DAV:">
> <JCR-SQL2>SELECT * FROM [nt:unstructured] ORDER BY [jcr:path]</JCR-SQL2>
> <D:limit>
> <D:nresults>5</D:nresults>
> <offset>2</offset>
> </D:limit>
> </D:searchrequest>
> <offset> doesn't have a namespace, looking at the code, where that is
> generated, this seems to be intentional in
> jackrabbit-webdav/src/main/java/org/apache/jackrabbit/webdav/search/SearchInfo.java
> line 209
> ***
> if (offset != OFFSET_UNDEFINED) {
> // TODO define reasonable namespace...
> DomUtil.addChildElement(limitE, OFFSET,
> Namespace.EMPTY_NAMESPACE, offset + "");
> }
> ***
> (but see the TODO in there)
> In the same file on Line 259 it tries to get the element with
> ***
> // try of an offset is defined within the DAV:limit element.
> String offset = DomUtil.getChildTextTrim(limit, OFFSET,
> Namespace.EMPTY_NAMESPACE);
> if (offset != null) {
> try {
> sInfo.setOffset(Long.valueOf(offset));
> } catch (NumberFormatException e) {
> log.error("'offset' cannot be parsed into a long ->
> ignore.");
> }
> }
> ***
> but that fails, it never finds the element. When I change the
> Namespace.EMPTY_NAMESPACE to NAMESPACE (which is "DAV:") on both sides, then
> it works as expected.
> There must be an error somewhere in DomUtil.getChildTextTrim() with empty
> namespaces, but I can't find it with my little Java knowledge.
> Does anyone have a solution? Adding a namespace (like mentioned in the TODO),
> which is the easy fix, but fixing DomUtil.getChildTextTrim() would certainly
> be the better option.
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