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https://issues.apache.org/jira/browse/SOLR-16219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17543725#comment-17543725
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Michael Gibney commented on SOLR-16219:
---------------------------------------
Yes, the proposed fix would definitely address the issue here; and having
introduced that code, I'd be happy to commit the fix to main and backport to
branch_9x (probably Tuesday?), unless you'd prefer to Shawn. (And needless to
say, thanks to you both for reporting the problem and
troubleshooting/determining the workaround!).
The direct fix for this problem is trivial in size. My concern (which if I can
turn it around quickly I will add to the fix, and if not will add separately
later) is that this issue is evidently not covered by existing unit tests nor
integration tests. So I'll be casting a bit of a wider net in looking into
this, and hopefully add tests to prevent this (or anything similar) happening
again.
> 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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