org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed

Hi,
we are doing single large index creation via java program on single elasticsearch node.
after few millions of documents, we faced to this error:

    org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
	at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:877) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
	at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:891) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
	at org.apache.lucene.index.IndexWriter.getFlushingBytes(IndexWriter.java:781) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
	at org.elasticsearch.index.engine.InternalEngine.getWritingBytes(InternalEngine.java:622) ~[elasticsearch-7.10.0.jar:7.10.0]
	at org.elasticsearch.index.shard.IndexShard.getWritingBytes(IndexShard.java:978) ~[elasticsearch-7.10.0.jar:7.10.0]
	at org.elasticsearch.indices.IndexingMemoryController.getShardWritingBytes(IndexingMemoryController.java:182) ~[elasticsearch-7.10.0.jar:7.10.0]
	at org.elasticsearch.indices.IndexingMemoryController$ShardsIndicesStatusChecker.runUnlocked(IndexingMemoryController.java:310) ~[elasticsearch-7.10.0.jar:7.10.0]
	at org.elasticsearch.indices.IndexingMemoryController$ShardsIndicesStatusChecker.run(IndexingMemoryController.java:290) ~[elasticsearch-7.10.0.jar:7.10.0]
	at org.elasticsearch.threadpool.Scheduler$ReschedulingRunnable.doRun(Scheduler.java:213) [elasticsearch-7.10.0.jar:7.10.0]
	at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:737) [elasticsearch-7.10.0.jar:7.10.0]
	at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-7.10.0.jar:7.10.0]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?]
	at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) [?:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) [?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) [?:?]
	at java.lang.Thread.run(Thread.java:832) [?:?]
    Caused by: java.io.IOException: Insufficient system resources exist to complete the requested service
	at sun.nio.ch.FileDispatcherImpl.write0(Native Method) ~[?:?]
	at sun.nio.ch.FileDispatcherImpl.write(FileDispatcherImpl.java:68) ~[?:?]
	at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:113) ~[?:?]
	at sun.nio.ch.IOUtil.write(IOUtil.java:79) ~[?:?]
	at sun.nio.ch.FileChannelImpl.write(FileChannelImpl.java:286) ~[?:?]
	at java.nio.channels.Channels.writeFullyImpl(Channels.java:74) ~[?:?]
	at java.nio.channels.Channels.writeFully(Channels.java:97) ~[?:?]
	at java.nio.channels.Channels$1.write(Channels.java:172) ~[?:?]
	at org.apache.lucene.store.FSDirectory$FSIndexOutput$1.write(FSDirectory.java:416) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
	at java.util.zip.CheckedOutputStream.write(CheckedOutputStream.java:73) ~[?:?]
	at java.io.BufferedOutputStream.write(BufferedOutputStream.java:123) ~[?:?]
	at org.apache.lucene.store.OutputStreamIndexOutput.writeBytes(OutputStreamIndexOutput.java:53) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
	at org.elasticsearch.common.lucene.store.FilterIndexOutput.writeBytes(FilterIndexOutput.java:59) ~[elasticsearch-7.10.0.jar:7.10.0]
	at org.apache.lucene.store.RateLimitedIndexOutput.writeBytes(RateLimitedIndexOutput.java:73) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
	at org.apache.lucene.store.DataOutput.copyBytes(DataOutput.java:278) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
	at org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.write(Lucene50CompoundFormat.java:97) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:36:04]
	at org.apache.lucene.index.IndexWriter.createCompoundFile(IndexWriter.java:5316) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
	at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4825) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
	at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4364) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
	at org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5923) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
	at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
	at org.elasticsearch.index.engine.ElasticsearchConcurrentMergeScheduler.doMerge(ElasticsearchConcurrentMergeScheduler.java:100) ~[elasticsearch-7.10.0.jar:7.10.0]
	at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
	Suppressed: java.io.IOException: Insufficient system resources exist to complete the requested service
		at sun.nio.ch.FileDispatcherImpl.write0(Native Method) ~[?:?]
		at sun.nio.ch.FileDispatcherImpl.write(FileDispatcherImpl.java:68) ~[?:?]
		at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:113) ~[?:?]
		at sun.nio.ch.IOUtil.write(IOUtil.java:79) ~[?:?]
		at sun.nio.ch.FileChannelImpl.write(FileChannelImpl.java:286) ~[?:?]
		at java.nio.channels.Channels.writeFullyImpl(Channels.java:74) ~[?:?]
		at java.nio.channels.Channels.writeFully(Channels.java:97) ~[?:?]
		at java.nio.channels.Channels$1.write(Channels.java:172) ~[?:?]
		at org.apache.lucene.store.FSDirectory$FSIndexOutput$1.write(FSDirectory.java:416) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
		at java.util.zip.CheckedOutputStream.write(CheckedOutputStream.java:73) ~[?:?]
		at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81) ~[?:?]
		at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142) ~[?:?]
		at org.apache.lucene.store.OutputStreamIndexOutput.close(OutputStreamIndexOutput.java:68) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
		at org.elasticsearch.common.lucene.store.FilterIndexOutput.close(FilterIndexOutput.java:39) ~[elasticsearch-7.10.0.jar:7.10.0]
		at org.elasticsearch.index.store.ByteSizeCachingDirectory$2.close(ByteSizeCachingDirectory.java:162) ~[elasticsearch-7.10.0.jar:7.10.0]
		at org.apache.lucene.store.RateLimitedIndexOutput.close(RateLimitedIndexOutput.java:49) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
		at org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.write(Lucene50CompoundFormat.java:120) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:36:04]
		at org.apache.lucene.index.IndexWriter.createCompoundFile(IndexWriter.java:5316) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
		at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4825) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
		at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4364) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
		at org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5923) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
		at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
		at org.elasticsearch.index.engine.ElasticsearchConcurrentMergeScheduler.doMerge(ElasticsearchConcurrentMergeScheduler.java:100) ~[elasticsearch-7.10.0.jar:7.10.0]
		at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682) ~[lucene-core-8.7.0.jar:8.7.0 2dc63e901c60cda27ef3b744bc554f1481b3b067 - atrisharma - 2020-10-29 19:35:28]
		Suppressed: java.io.IOException: Insufficient system resources exist to complete the requested service
			at sun.nio.ch.FileDispatcherImpl.write0(Native Method) ~[?:?]
			at sun.nio.ch.FileDispatcherImpl.write(FileDispatcherImpl.java:68) ~[?:?]
			at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:113) ~[?:?]
			at sun.nio.ch.IOUtil.write(IOUtil.java:79) ~[?:?]
			at sun.nio.ch.FileChannelImpl.write(FileChannelImpl.java:286) ~[?:?]
			at java.nio.channels.Channels.writeFullyImpl(Channels.java:74) ~[?:?]
			at java.nio.channels.Channels.writeFully(Channels.java:97) ~[?:?]
			at java.nio.channels.Channels$1.write(Channels.java:172) ~[?:?]
			at org.apache.lucene.store.FSDirectory$FSIndexOutput$1.write(FSDirectory.java:416) ~
    [2021-02-13T10:08:00,245][WARN ][o.e.i.e.Engine           ] [WIN-RTGCFDESWSD] [test][1] failed engine [merge failed]
    org.apache.lucene.index.MergePolicy$MergeException: java.io.IOException: Insufficient system resources exist to complete the requested service
	at org.elasticsearch.index.engine.InternalEngine$EngineMergeScheduler$2.doRun(InternalEngine.java:2476) [elasticsearch-7.10.0.jar:7.10.0]
	at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:737) [elasticsearch-7.10.0.jar:7.10.0]
	at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-7.10.0.jar:7.10.0]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) [?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) [?:?]
	at java.lang.Thread.run(Thread.java:832) [?:?]
    Caused by: java.io.IOException: Insufficient system resources exist to complete the requested service

do you have Any idea what is the problem?

Hi @Farzad_Ebrahimi

Looks like this is the deeper issue. Your file system seems to be unable to handle the physical write to disk. The exception isn't super clear but I'd imagine it's some rate limiting/open file count limit or less likely a full disk.

=> I'd investigate the underlying storage here to see why it's not able to cope with the write load.

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