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https://issues.apache.org/jira/browse/SOLR-9751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15657718#comment-15657718
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Steve Rowe commented on SOLR-9751:
----------------------------------
The admin UI is not the problem - I can reproduce by cmdline only.
The original preanalyzed fieldtype is:
{code:xml}
<fieldType name="preanalyzed" class="solr.PreAnalyzedField">
<!-- PreAnalyzedField's builtin index analyzer just decodes the pre-analyzed
token stream. -->
<analyzer type="query">
<tokenizer class="solr.WhitespaceTokenizerFactory"/>
</analyzer>
</fieldType>
{code}
After one field (any field type will do) is added, it becomes:
{code:xml}
<fieldType name="preanalyzed" class="solr.PreAnalyzedField">
<analyzer>
<tokenizer class="solr.WhitespaceTokenizerFactory"/>
</analyzer>
</fieldType>
{code}
and after the second field is added:
{code:xml}
<fieldType name="preanalyzed" class="solr.PreAnalyzedField">
<analyzer
class="org.apache.solr.schema.PreAnalyzedField$PreAnalyzedAnalyzer"/>
</fieldType>
{code}
> PreanalyzedField can cause schema corruption
> --------------------------------------------
>
> Key: SOLR-9751
> URL: https://issues.apache.org/jira/browse/SOLR-9751
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: Schema and Analysis
> Affects Versions: 6.2
> Reporter: liuyang
> Assignee: Steve Rowe
> Priority: Minor
>
> The exception as follows:
> Caused by: org.apache.solr.common.SolrException: Could not load conf for core
> test_shard1_replica1: Can't load schema managed-schema: Plugin init failure
> for [schema.xml] fieldType "preanalyzed": Cannot load analyzer:
> org.apache.solr.schema.PreAnalyzedField$PreAnalyzedAnalyzer
> at
> org.apache.solr.core.ConfigSetService.getConfig(ConfigSetService.java:85)
> at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1031)
> ... 6 more
> Caused by: org.apache.solr.common.SolrException: Can't load schema
> managed-schema: Plugin init failure for [schema.xml] fieldType "preanalyzed":
> Cannot load analyzer:
> org.apache.solr.schema.PreAnalyzedField$PreAnalyzedAnalyzer
> at org.apache.solr.schema.IndexSchema.readSchema(IndexSchema.java:600)
> at org.apache.solr.schema.IndexSchema.<init>(IndexSchema.java:183)
> at
> org.apache.solr.schema.ManagedIndexSchema.<init>(ManagedIndexSchema.java:104)
> at
> org.apache.solr.schema.ManagedIndexSchemaFactory.create(ManagedIndexSchemaFactory.java:172)
> at
> org.apache.solr.schema.ManagedIndexSchemaFactory.create(ManagedIndexSchemaFactory.java:45)
> at
> org.apache.solr.schema.IndexSchemaFactory.buildIndexSchema(IndexSchemaFactory.java:75)
> at
> org.apache.solr.core.ConfigSetService.createIndexSchema(ConfigSetService.java:107)
> at
> org.apache.solr.core.ConfigSetService.getConfig(ConfigSetService.java:78)
> ... 7 more
> Test procedure:
> 1.create collection using sample_techproducts_configs;
> 2.add field in Solr web view;
> 3.add field again in Solr web view.
> manage-schema is modifyed as follows:
> <fieldType name="preanalyzed" class="solr.PreAnalyzedField">
> <analyzer class="
> org.apache.solr.schema.PreAnalyzedField$PreAnalyzedAnalyzer">
> </analyzer>
> </fieldType>
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