[SOLR-9751] PreAnalyzedField can cause managed schema corruption

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 6.2, 6.3
• Fix Version/s: 6.4, 7.0
• Component/s: Schema and Analysis
• Assignee: Steven Rowe
• Reporter: liuyang
• Created: 11/Nov/16 02:51
• Updated: 08/Jun/19 15:30
• Resolved: 06/Dec/16 18:19

Description

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>

Issue Links

• relates to: SOLR-9765 In SolrCloud mode, schema modification should fail the operation and rollback to previous schema on all replicas if any replica fails to load the new schema
• relates to: SOLR-9832 Schema modifications are not immediately visible on the coordinating node