I can safely say that it is not DirectUpdateHandler2 failing; By
commenting out my own handlers, the system boots without error.
This means that my handlers are problematic in some way. The moment I
put back just one of my handlers:
<updateRequestProcessorChain name="harvest" default="true">
<processor class="solr.RunUpdateProcessorFactory"/>
<processor
class="org.apache.solr.update.TopicQuestsDocumentProcessFactory">
<str name="inputField">hello</str>
</processor>
<processor class="solr.LogUpdateProcessorFactory"/>
</updateRequestProcessorChain>
<requestHandler name="/update/harvest"
class="solr.DirectUpdateHandler2">
<lst name="defaults">
<str name="update.chain">harvest</str>
</lst>
</requestHandler>
The problem returns. It simply appears that I cannot declare a named
requestHandler using that class.
Jack
On Tue, Mar 12, 2013 at 12:22 PM, Jack Park <jackp...@topicquests.org> wrote:
> Indeed! Perhaps the germane part is this, before the failure to
> instantiate notice:
>
> Caused by: java.lang.ClassCastException: class
> org.apache.solr.update.DirectUpda
> teHandler2
> at java.lang.Class.asSubclass(Unknown Source)
> at
> org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.
> java:432)
> at org.apache.solr.core.SolrCore.createInstance(SolrCore.java:507)
>
> This suggests that I might be doing something wrong elsewhere in
> solrconfig.xml.
>
> The possibly relevant parts (my contributions) are these:
>
> <updateRequestProcessorChain name="partial" default="true">
> <processor class="solr.RunUpdateProcessorFactory"/>
> <processor class="solr.LogUpdateProcessorFactory"/>
> </updateRequestProcessorChain>
>
> <updateRequestProcessorChain name="harvest" default="true">
> <processor class="solr.RunUpdateProcessorFactory"/>
> <processor
> class="org.apache.solr.update.TopicQuestsDocumentProcessFactory">
> <str name="inputField">hello</str>
> </processor>
> <processor class="solr.LogUpdateProcessorFactory"/>
> </updateRequestProcessorChain>
>
> <requestHandler name="/update/harvest"
> class="solr.DirectUpdateHandler2">
> <lst name="defaults">
> <str name="update.chain">harvest</str>
> </lst>
>
> </requestHandler>
>
> <requestHandler name="/update/partial"
> class="solr.DirectUpdateHandler2">
> <lst name="defaults">
> <str name="update.chain">partial</str>
> </lst>
> </requestHandler>
>
> Thanks
> Jack
>
> On Tue, Mar 12, 2013 at 12:16 PM, Mark Miller <markrmil...@gmail.com> wrote:
>> There should be a stack trace - also, you shouldn't have to do anything
>> special to use this class. It's the default and only truly supported
>> implementation…
>>
>> - Mark
>>
>> On Mar 12, 2013, at 2:53 PM, Jack Park <jackp...@topicquests.org> wrote:
>>
>>> That messages gives great, but terrible google. Zillions of hits,
>>> mostly filled with very long log traces, and zero messages (that I
>>> could find) about what to do about it.
>>>
>>> I switched over to using that handler since it has an update log
>>> specified, and that's the only place I've found how to use update log.
>>> But, can't boot now.
>>>
>>> All the jars are in place; I'm able to import that class in my code.
>>>
>>> Is there any news on that issue?
>>>
>>> Many thanks
>>> Jack
>>
