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https://issues.apache.org/jira/browse/SOLR-965?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Miller updated SOLR-965:
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Attachment: SOLR-965.patch
Here is a simple patch that throws and exception if the ping query params are 0.
In the multicore scenario, you get:
HTTP ERROR: 500
Ping requires that the PingRequestHandler, admin/pingQuery is defined in
solrconfig.xml with both QT and Q params
java.lang.IllegalStateException: Ping requires that the PingRequestHandler,
admin/pingQuery is defined in solrconfig.xml with both QT and Q params
at
org.apache.solr.core.SolrConfig.getPingQueryRequest(SolrConfig.java:228)
at org.apache.solr.core.SolrCore.getPingQueryRequest(SolrCore.java:781)
at
org.apache.jsp.admin.ping_jsp._jspService(org.apache.jsp.admin.ping_jsp:177)
I couldn't get the current ping.jsp error handling to work - I would get state
exceptions errors that the response was already committed if a resp.sendError
was hit
in the jsp. So I just throw an exception instead, and the dispatchfilter
catches the exception and does the resp.sendError.
- Mark
> Better exception logging when no ping query configured
> ------------------------------------------------------
>
> Key: SOLR-965
> URL: https://issues.apache.org/jira/browse/SOLR-965
> Project: Solr
> Issue Type: Improvement
> Affects Versions: 1.3
> Reporter: Hoss Man
> Fix For: 1.4
>
> Attachments: SOLR-965.patch
>
>
> user noted that with the example multicore configs,
> http://localhost:8983/solr/core1/admin/ping results in a 500 error and logs
> quite a bit of crap starting with a NullPointerException.
> The failing ping is the correct behavior, because the example multicore
> configs don't define a pingQuery -- but the code path of the failure and the
> exceptions logged are less then ideal. ping.jsp (which is still used if the
> PingRequestHandler doesn't get registered) and SolrConfig.getPingQueryRequest
> should me modified to log an (on topic) error and fail fast when there is no
> <pingQuery> declaration.
> A quick skim of PingRequestHandlers suggests we may also want to add some
> better logging (specifically: warnings about configuring it with good
> defaults) if it gets called without any params.
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