martin-g commented on a change in pull request #684: LUCENE-8809: Ensure
release segment states
URL: https://github.com/apache/lucene-solr/pull/684#discussion_r286918182
##########
File path: lucene/core/src/test/org/apache/lucene/index/TestIndexWriter.java
##########
@@ -3730,4 +3733,50 @@ public void testFlushWhileStartingNewThreads() throws
IOException, InterruptedEx
dir.close();
}
+ public void testRefreshAndRollbackConcurrently() throws Exception {
+ Directory dir = newDirectory();
+ IndexWriter w = new IndexWriter(dir, newIndexWriterConfig());
+ AtomicBoolean stopped = new AtomicBoolean();
+ Semaphore indexedDocs = new Semaphore(0);
+ Thread indexer = new Thread(() -> {
+ while (stopped.get() == false) {
+ try {
+ String id = Integer.toString(random().nextInt(100));
+ Document doc = new Document();
+ doc.add(new StringField("id", id, Field.Store.YES));
+ w.updateDocument(new Term("id", id), doc);
+ indexedDocs.release(1);
+ } catch (IOException e) {
+ throw new AssertionError(e);
+ } catch (AlreadyClosedException ignored) {
+ return;
+ }
+ }
+ });
+
+ SearcherManager sm = new SearcherManager(w, new SearcherFactory());
+ Thread refresher = new Thread(() -> {
+ while (stopped.get() == false) {
+ try {
+ sm.maybeRefreshBlocking();
+ } catch (IOException e) {
+ throw new AssertionError(e);
+ } catch (AlreadyClosedException ignored) {
+ return;
+ }
+ }
+ });
+
+ try {
+ indexer.start();
+ refresher.start();
+ indexedDocs.acquire(1 + random().nextInt(100));
+ w.rollback();
+ } finally {
+ stopped.get();
Review comment:
What is this doing here ?
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