[GitHub] [solr] sonatype-lift[bot] commented on a diff in pull request #1302: SOLR-16628: Ensure that InputStreams are closed after Xml parsing

["sonatype-lift[bot] (via GitHub)" <gi...@apache.org>]

sonatype-lift[bot] commented on code in PR #1302:
URL: https://github.com/apache/solr/pull/1302#discussion_r1099643465


##########
solr/core/src/java/org/apache/solr/schema/ManagedIndexSchemaFactory.java:
##########
@@ -197,89 +200,99 @@ public ManagedIndexSchema create(
     this.config = config;
     this.loader = config.getResourceLoader();
     InputStream schemaInputStream = null;
+    String loadedResource = null;
 
-    if (null == resourceName) {
-      resourceName = IndexSchema.DEFAULT_SCHEMA_FILE;
-    }
-
-    int schemaZkVersion = -1;
-    if (!(loader instanceof ZkSolrResourceLoader)) {
-      schemaInputStream = readSchemaLocally();
-    } else { // ZooKeeper
-      final ZkSolrResourceLoader zkLoader = (ZkSolrResourceLoader) loader;
-      final SolrZkClient zkClient = zkLoader.getZkController().getZkClient();
-      final String managedSchemaPath = lookupZKManagedSchemaPath();
-      managedSchemaResourceName =
-          managedSchemaPath.substring(managedSchemaPath.lastIndexOf("/") + 1); // not loving this
-      Stat stat = new Stat();
-      try {
-        // Attempt to load the managed schema
-        byte[] data = zkClient.getData(managedSchemaPath, null, stat, true);
-        schemaZkVersion = stat.getVersion();
-        schemaInputStream =
-            new ZkSolrResourceLoader.ZkByteArrayInputStream(data, managedSchemaPath, stat);
-        loadedResource = managedSchemaResourceName;
-        warnIfNonManagedSchemaExists();
-      } catch (InterruptedException e) {
-        // Restore the interrupted status
-        Thread.currentThread().interrupt();
-        log.warn("", e);
-      } catch (KeeperException.NoNodeException e) {
-        log.info(
-            "The schema is configured as managed, but managed schema resource {} not found - loading non-managed schema {} instead",
-            managedSchemaResourceName,
-            resourceName);
-      } catch (KeeperException e) {
-        String msg = "Error attempting to access " + managedSchemaPath;
-        log.error(msg, e);
-        throw new SolrException(ErrorCode.SERVER_ERROR, msg, e);
+    try {
+      if (null == resourceName) {
+        resourceName = IndexSchema.DEFAULT_SCHEMA_FILE;
       }
-      if (null == schemaInputStream) {
-        // The managed schema file could not be found - load the non-managed schema
+
+      int schemaZkVersion = -1;
+      if (!(loader instanceof ZkSolrResourceLoader)) {
+        Entry<String, InputStream> localSchemaInput = readSchemaLocally();

Review Comment:
   <picture><img alt="5% of developers fix this issue" src="https://lift.sonatype.com/api/commentimage/fixrate/5/display.svg"></picture>
   
   <b>*THREAD_SAFETY_VIOLATION:</b>*  Unprotected write. Non-private method `ManagedIndexSchemaFactory.create(...)` indirectly writes to field `this.managedSchemaResourceName` outside of synchronization.
    Reporting because this access may occur on a background thread.
   
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