sonatype-lift[bot] commented on a change in pull request #264:
URL: https://github.com/apache/solr/pull/264#discussion_r692205926



##########
File path: 
solr/core/src/java/org/apache/solr/schema/ManagedIndexSchemaFactory.java
##########
@@ -91,6 +92,33 @@ public void init(NamedList<?> args) {
   public String getSchemaResourceName(String cdResourceName) {
     return managedSchemaResourceName; // actually a guess; reality depends on 
the actual files in the config set :-(
   }
+  
+  /**
+   * Lookup the path to the managed schema, dealing with falling back to the
+   * legacy managed-schema file, instead of the expected managed-schema.xml 
file.
+   * 
+   * This method is duplicated in ManagedIndexSchema.
+   * @see org.apache.solr.schema.ManagedIndexSchema#lookupManagedSchemaPath
+   */
+  public String lookupManagedSchemaPath() {
+    final ZkSolrResourceLoader zkLoader = (ZkSolrResourceLoader)loader;

Review comment:
       *THREAD_SAFETY_VIOLATION:*  Read/Write race. Non-private method 
`ManagedIndexSchemaFactory.lookupManagedSchemaPath()` reads without 
synchronization from `this.loader`. Potentially races with write in method 
`ManagedIndexSchemaFactory.create(...)`.
    Reporting because another access to the same memory occurs on a background 
thread, although this access may not.
   (at-me [in a reply](https://help.sonatype.com/lift) with `help` or `ignore`)




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