private void Crash(IndexWriter writer)
{
MockDirectoryWrapper dir = (MockDirectoryWrapper)writer.Directory;
ConcurrentMergeScheduler cms = (ConcurrentMergeScheduler)writer.Config.MergeScheduler;
cms.Sync();
dir.Crash();
cms.Sync();
dir.ClearCrash();
}
public void TestExceptionOnBackgroundThreadIsPropagatedToCallingThread()
{
using MockDirectoryWrapper dir = NewMockDirectory();
dir.FailOn(new FailOnlyOnMerge());
Document doc = new Document();
Field idField = NewStringField("id", "", Field.Store.YES);
doc.Add(idField);
var mergeScheduler = new ConcurrentMergeScheduler();
using IndexWriter writer = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random)).SetMergeScheduler(mergeScheduler).SetMaxBufferedDocs(2).SetRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH).SetMergePolicy(NewLogMergePolicy()));
LogMergePolicy logMP = (LogMergePolicy)writer.Config.MergePolicy;
logMP.MergeFactor = 10;
for (int i = 0; i < 20; i++)
{
writer.AddDocument(doc);
}
bool exceptionHit = false;
try
{
mergeScheduler.Sync();
}
catch (MergePolicy.MergeException)
{
exceptionHit = true;
}
assertTrue(exceptionHit);
}
private void Crash(IndexWriter writer)
{
MockRAMDirectory dir = (MockRAMDirectory)writer.Directory;
ConcurrentMergeScheduler cms = (ConcurrentMergeScheduler)writer.MergeScheduler;
dir.Crash();
cms.Sync();
dir.ClearCrash();
}
public virtual void TestExceptionDuringSync()
{
MockRAMDirectory dir = new MockRAMDirectory();
FailOnlyInSync failure = new FailOnlyInSync();
dir.FailOn(failure);
IndexWriter writer = new IndexWriter(dir, true, new WhitespaceAnalyzer());
failure.SetDoFail();
ConcurrentMergeScheduler cms = new ConcurrentMergeScheduler();
// We expect sync exceptions in the merge threads
cms.SetSuppressExceptions();
writer.SetMergeScheduler(cms);
writer.SetMaxBufferedDocs(2);
writer.SetMergeFactor(5);
for (int i = 0; i < 23; i++)
AddDoc(writer);
cms.Sync();
Assert.IsTrue(failure.didFail);
failure.ClearDoFail();
writer.Close();
IndexReader reader = IndexReader.Open(dir);
Assert.AreEqual(23, reader.NumDocs());
reader.Close();
dir.Close();
}