[jira] [Commented] (SOLR-6643) Core load silently aborted if missing depenencies

["Jan Høydahl (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-6643?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14207830#comment-14207830 ] 

Jan Høydahl commented on SOLR-6643:
-----------------------------------

Any ideas for how to solve this?

> Core load silently aborted if missing depenencies
> -------------------------------------------------
>
>                 Key: SOLR-6643
>                 URL: https://issues.apache.org/jira/browse/SOLR-6643
>             Project: Solr
>          Issue Type: Bug
>          Components: Schema and Analysis
>    Affects Versions: 4.10.1
>            Reporter: Jan Høydahl
>            Priority: Minor
>              Labels: logging
>
> *How to reproduce*
> # Start with standard collection1 config
> # Add a field type to schema using the ICU contrib, no need for a field
> {code:XML}
> <fieldType name="text_icu" class="solr.TextField">
>   <analyzer><tokenizer class="solr.ICUTokenizerFactory"/></analyzer>
> </fieldType>
> {code}
> # {{cd example}}
> # {{mkdir solr/lib}}
> # {{cp ../contrib/analysis-extras/lucene-libs/lucene-analyzers-icu-4.10.1.jar solr/lib/}}
> # {{bin/solr -f}}
> # Core is not loaded, and no messages in log after this line
> {code}
> ... INFO  org.apache.solr.schema.IndexSchema  – [collection1] Schema name=example
> {code}
> Note that we did *not* add the dependency libs from {{analysis-extras/lib}}, so we'd expect a {{ClassNotFoundException}}, but some way the initialization of schema aborts silently. The ICUTokenizerFactory is instansiated by reflection and I suspect that some exception is swallowed in {{AbstractPluginLoader#create()}}



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