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https://issues.apache.org/jira/browse/SOLR-16219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17554559#comment-17554559
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Michael Gibney commented on SOLR-16219:
---------------------------------------
Hi Roman; I'll make absolutely certain to get this into 9.1 and the first 9.0
bugfix release, but I'm likely to hop onto those releases (assuming they won't
be too long in coming) -- unfortunately I don't have the bandwidth at the
moment to actively push for a release (and I'm glad that in the meantime
there's a workaround based on jar file placement).
To be clear, I'm not going to get hung up on the "more general way that we
could prevent this kind of thing from happening in the future". I'll try to get
the PR up this week; thanks for your patience!
> ICUCollationField tried to access protected field
> org.apache.solr.schema.IndexSchema.luceneVersion
> --------------------------------------------------------------------------------------------------
>
> Key: SOLR-16219
> URL: https://issues.apache.org/jira/browse/SOLR-16219
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Affects Versions: 9.0
> Reporter: Roman
> Priority: Major
>
> I've tried to recreate Solr 8 configuration in Solr 9, but the following part
> in the config causes an error when creating core. (not SolrCould environment,
> if it matters)
> {code:java}
> <fieldType name="text_gen_sort" class="solr.ICUCollationField" locale=""
> numeric="true" strength="primary" multiValued="true" />{code}
> The following paths has been added in the {{{}solrconfig.xml{}}}:
> {code:java}
> <lib
> path="..../solr/modules/analysis-extras/lib/solr-analysis-extras-9.0.0.jar" />
> <lib path="..../solr/modules/analysis-extras/lib/icu4j-68.2.jar" />
> <lib
> path="..../solr/modules/analysis-extras/lib/lucene-analysis-icu-9.0.0.jar"
> />{code}
> and I checked, that the paths to jars are correct.
> The stack trace is lengthy, here the relevant part of it:
> {code:java}
> <h3>Caused by:</h3><pre>java.lang.IllegalAccessError:
> class org.apache.solr.schema.ICUCollationField tried to access
> protected field org.apache.solr.schema.IndexSchema.luceneVersion
> (org.apache.solr.schema.ICUCollationField is in
> unnamed module of loader java.net.FactoryURLClassLoader @61639b88;
> org.apache.solr.schema.IndexSchema is in unnamed module of loader
> org.eclipse.jetty.webapp.WebAppClassLoader @6a988392)
> at org.apache.solr.schema.ICUCollationField.init(ICUCollationField.java:128)
> at org.apache.solr.schema.FieldType.setArgs(FieldType.java:202)
> at
> org.apache.solr.schema.FieldTypePluginLoader.init(FieldTypePluginLoader.java:149)
> at
> org.apache.solr.schema.FieldTypePluginLoader.init(FieldTypePluginLoader.java:43)
> at
> org.apache.solr.util.plugin.AbstractPluginLoader.load(AbstractPluginLoader.java:189)
> at org.apache.solr.schema.IndexSchema.readSchema(IndexSchema.java:531)
> at org.apache.solr.schema.IndexSchema.<init>(IndexSchema.java:188)
> at
> org.apache.solr.schema.ManagedIndexSchema.<init>(ManagedIndexSchema.java:119)
> at
> org.apache.solr.schema.ManagedIndexSchemaFactory.create(ManagedIndexSchemaFactory.java:279)
> at
> org.apache.solr.schema.ManagedIndexSchemaFactory.create(ManagedIndexSchemaFactory.java:51)
> at
> org.apache.solr.core.ConfigSetService.createIndexSchema(ConfigSetService.java:342)
> at
> org.apache.solr.core.ConfigSetService.lambda$loadConfigSet$0(ConfigSetService.java:253)
> at org.apache.solr.core.ConfigSet.<init>(ConfigSet.java:49)
> at
> org.apache.solr.core.ConfigSetService.loadConfigSet(ConfigSetService.java:249)
> at
> org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1550)
> at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1426)
> at
> org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:92){code}
> Previous configuration with the same 3 libraries and the field type worked. I
> used {{{}bin/solr create_core -c my_core -d my_configset{}}}. The change is
> in the {{{}managed-schema.xml{}}}. (It used to be just {{manages-schema}} in
> Solr 8, but I recreated the configuration from the new default.)
> This looks to me like some kind of a bug. What can be the cause of this and
> how to overcome the problem?
> (I've also created SO question on this -
> [https://stackoverflow.com/questions/72416721/how-to-configure-icucollationfield-type-in-solr-9]
> )
>
> To recreate, just add the above mentioned parts to solrconfig.xml and
> managed-schema.xml (from _default ) and try to create a core using the
> configset.
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