[Mondrian] Mondrian 4 as a Pentaho Plugin
Luc Boudreau
lucboudreau at gmail.com
Fri Jun 27 16:05:38 EDT 2014
Tom,
I think the bridging JDBC driver will also be missing. Let us discuss this
internally and we'll see if /how we can open some of this to CE.
On Jun 27, 2014 4:03 PM, "Tom Barber(Alabs)" <tom at analytical-labs.com>
wrote:
> Absolutely nothing, I can't even tell if its being loaded :)
>
> On 27/06/14 21:01, Luc Boudreau wrote:
>
> Scratch that. Fragment Host is set correctly. Any errors in the logs?
> On Jun 27, 2014 3:54 PM, "Tom Barber(Alabs)" <tom at analytical-labs.com>
> wrote:
>
>> Right, post dinner, still borked....
>>
>> Manifest-Version: 1.0
>>
>> Built-By: bugg
>> Tool: Bnd-2.1.0.20130426-122213
>> Bundle-Name: MySQL OSGi JDBC Service
>> Created-By: Apache Maven Bundle Plugin
>> Build-Jdk: 1.7.0_55
>> Bundle-Version: 5.1.0.SNAPSHOT
>> Bnd-LastModified: 1403897665863
>> Bundle-ManifestVersion: 2
>> Bundle-SymbolicName: mysql.mondrian
>> Archiver-Version: Plexus Archiver
>> Import-Package: com.mysql.jdbc;version="5.1"
>> Export-Package: com.mysql.jdbc;version="5.1"
>> Fragment-Host: mondrian
>>
>>
>>
>> Something like that look about right?
>>
>>
>>
>> Tom
>>
>>
>> On 27/06/14 16:44, Luc Boudreau wrote:
>>
>> Just dropping it in there won't work because OSGI doesn't have a way to
>> know that mondrian's bundle depends on your driver's bundle.
>>
>> What you do is create a new fragment bundle (a jar with only the
>> META-INF stuff) which depends on the driver's bundle but injects itself
>> into the mondrian bundle. This should bridge the two.
>>
>>
>> On Fri, Jun 27, 2014 at 11:40 AM, Tom Barber(Alabs) <
>> tom at analytical-labs.com> wrote:
>>
>>> Ah yeah Kurtis is correct the Mysql JDBC Driver has the osgi headers.
>>>
>>> We'll I've put it in the fragment_bundles directory and I still get the
>>> Hive error, any other suggestions?
>>>
>>> Thanks
>>>
>>> Tom
>>>
>>>
>>> On 27/06/14 16:31, Kurtis Walker wrote:
>>>
>>> Yes, but I think most of them already are. If the manifest has a
>>> Bundle-Name, Bundle-Version, etc, then it is ready for osgi.
>>>
>>> On Fri, 2014-06-27 at 10:24 -0500, Tom Barber(Alabs) wrote:
>>>
>>> Hmm thanks for the tip Kurtis, no joy so far. Should I assume the driver
>>> needs osgi'ifying?
>>>
>>> Thanks
>>>
>>> Tom
>>>
>>> On 27/06/14 15:46, Kurtis Walker wrote:
>>>
>>> The hive error is misleading. It really means that no JDBC driver
>>> could be found to satisfy your connect string. I think you'll need to put
>>> your driver in the OSGI directory also.
>>>
>>> On Fri, 2014-06-27 at 09:33 -0500, Tom Barber(Alabs) wrote:
>>>
>>> Looks about right, thanks Luc, Mondrian + Commons IO needed placing in
>>> the osgi directory.....
>>>
>>> Now if only I knew why on earth its trying to use Hive to connect....
>>>
>>> On 27/06/14 14:11, Luc Boudreau wrote:
>>>
>>> Oh right. That'd be in the EE builds only I'm afraid.
>>>
>>> The modules should be in solutions/system/osgi
>>>
>>> On Jun 27, 2014 8:59 AM, "Tom Barber(Alabs)" <tom at analytical-labs.com>
>>> wrote:
>>>
>>> Interesting Luc, you mean should work out of the box, as in, there is
>>> already a jar there?
>>>
>>> I downloaded 5.1 and had a look, the Mondrian Jar I found(grep) was
>>> labeled 3.7 and I asked Pedro and he said there were some Mondrian 4 stuff
>>> for Mongo but not in general population.
>>>
>>> Tom
>>>
>>> On 27/06/14 13:50, Luc Boudreau wrote:
>>>
>>> Hello Tom,
>>>
>>> With a 5.1 server, all you need to do is use "jdbc:mondrian4" instead of
>>> "jdbc:mondrian" as the URL prefix and it should work out of the box.
>>>
>>> Let us know if you run into any issues.
>>>
>>> Luc
>>>
>>> On Jun 27, 2014 6:38 AM, "Tom Barber(Alabs)" <tom at analytical-labs.com>
>>> wrote:
>>>
>>> Alright chaps,
>>>
>>> I'm trying to crowbar Mondrian 4 into the BI Server Saiku plugin and I
>>> would like some clarification of a few bits and pieces.
>>>
>>> We've shipped our own Mondrian Jar and also done some funky cache
>>> sharing etc, anyway, I would like to ship Mondrian 4 and unsurprisingly
>>> its not as simple as just replacing the Jar.
>>>
>>> I would like to know
>>>
>>> a) is it even possible? I saw Julian's slide suggesting that the
>>> Mondrian 4 lib should run happily alongside Mondrian 3 as an OSGI module.
>>> b) To bootstrap Mondrian we currently run Class.forName(
>>> "mondrian.olap4j.MondrianOlap4jDriver" ); but if have 2 Jars, how does
>>> is it supposed to know which to bootstrap, or should it load Mondrian 3,
>>> but Mondrian 4 be automatic or do I have to register the Mondrian 4 jar
>>> in a different manner?
>>> Either way I get
>>> java.lang.IllegalAccessError: class mondrian.olap4j.MondrianOlap4jExtra
>>> cannot access its superclass mondrian.xmla.XmlaHandler$XmlaExtraImpl
>>>
>>> The first time I try and run Saiku followed by
>>> java.lang.NoClassDefFoundError: Could not initialize class
>>> mondrian.olap4j.MondrianOlap4jDriver
>>>
>>> The next time, so I need work out how to unclash them if possible.
>>>
>>> I tried just straight replacing Mondrian 3 with Mondrian 4 in the
>>> platform out of curiosity but with that I get a linkage error so that
>>> test was also a no go.
>>>
>>> Anyway, hints or tips please.
>>>
>>> Thanks
>>>
>>> Tom
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