dsmiley commented on code in PR #1302:
URL: https://github.com/apache/solr/pull/1302#discussion_r1081643380
##########
solr/core/src/java/org/apache/solr/schema/ManagedIndexSchemaFactory.java:
##########
@@ -198,88 +198,94 @@ public ManagedIndexSchema create(
this.loader = config.getResourceLoader();
InputStream schemaInputStream = 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)) {
+ 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 {
- schemaInputStream = loader.openResource(resourceName);
- loadedResource = resourceName;
- shouldUpgrade = true;
- } catch (IOException e) {
+ // 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);
+ }
+ if (null == schemaInputStream) {
+ // The managed schema file could not be found - load the non-managed
schema
try {
- // Retry to load the managed schema, in case it was created since
the first attempt
- byte[] data = zkClient.getData(managedSchemaPath, null, stat,
true);
- schemaZkVersion = stat.getVersion();
- schemaInputStream = new ByteArrayInputStream(data);
- loadedResource = managedSchemaPath;
- warnIfNonManagedSchemaExists();
- } catch (Exception e1) {
- if (e1 instanceof InterruptedException) {
- Thread.currentThread().interrupt(); // Restore the interrupted
status
+ schemaInputStream = loader.openResource(resourceName);
+ loadedResource = resourceName;
+ shouldUpgrade = true;
+ } catch (IOException e) {
+ try {
+ // Retry to load the managed schema, in case it was created
since the first attempt
+ byte[] data = zkClient.getData(managedSchemaPath, null, stat,
true);
+ schemaZkVersion = stat.getVersion();
+ schemaInputStream = new ByteArrayInputStream(data);
+ loadedResource = managedSchemaPath;
+ warnIfNonManagedSchemaExists();
+ } catch (Exception e1) {
+ if (e1 instanceof InterruptedException) {
+ Thread.currentThread().interrupt(); // Restore the interrupted
status
+ }
+ final String msg =
+ "Error loading both non-managed schema '"
+ + resourceName
+ + "' and managed schema '"
+ + managedSchemaResourceName
+ + "'";
+ log.error(msg, e);
+ throw new SolrException(SolrException.ErrorCode.SERVER_ERROR,
msg, e);
}
- final String msg =
- "Error loading both non-managed schema '"
- + resourceName
- + "' and managed schema '"
- + managedSchemaResourceName
- + "'";
- log.error(msg, e);
- throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, msg,
e);
}
}
}
+ InputSource inputSource = new InputSource(schemaInputStream);
+
inputSource.setSystemId(SystemIdResolver.createSystemIdFromResourceName(loadedResource));
Review Comment:
A dev there clarified that NotThreadSafe should be understood! I think I'd
prefer that to 3a047d4 which feels awkward because the Array wrapping for
modifying loadedResource.
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