# SocketTimeoutException in Elasticsearch logs

**URL:** <https://discuss.elastic.co/t/sockettimeoutexception-in-elasticsearch-logs/87792>\
**Category:** Elasticsearch\
**Created:** [May 31, 2017, 6:03pm UTC](https://discuss.elastic.co/t/sockettimeoutexception-in-elasticsearch-logs/87792 "2017-05-31T18:03:34Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![manojbadam](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/manojbadam/32/4836_2.png) [@manojbadam](https://discuss.elastic.co/u/manojbadam)\
**Post date:** [May 31, 2017, 6:03pm UTC](https://discuss.elastic.co/t/sockettimeoutexception-in-elasticsearch-logs/87792/1 "2017-05-31T18:03:34Z")

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Hi All,

This is my first post, I was going through my elasticsearch logs and found the frequent SocketTimeoutException (stack trace posted below). We are currently using elasticsearch v2.3.3, we have 3 master nodes behind an AWS ELB and 20 Data nodes behind an AWS ELB. We have a Java application, which reads through the kafka queue and pushes them to Elasticsearch and we observe this error frequently. Any clue why it is failing.

2017-05-31 16:30:27,940][WARN][index.snapshots.blobstore] [ElasticSearch\_stage\_134-92-243-59] failed to read index file [index-178]  
java.net.SocketTimeoutException: Read timed out  
at java.net.SocketInputStream.socketRead0(Native Method)  
at java.net.SocketInputStream.read(SocketInputStream.java:152)  
at java.net.SocketInputStream.read(SocketInputStream.java:122)  
at sun.security.ssl.InputRecord.readFully(InputRecord.java:442)  
at sun.security.ssl.InputRecord.read(InputRecord.java:480)  
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:934)  
at sun.security.ssl.SSLSocketImpl.readDataRecord(SSLSocketImpl.java:891)  
at sun.security.ssl.AppInputStream.read(AppInputStream.java:102)  
at org.apache.http.impl.io.AbstractSessionInputBuffer.read(AbstractSessionInputBuffer.java:198)  
at org.apache.http.impl.io.ContentLengthInputStream.read(ContentLengthInputStream.java:178)  
at org.apache.http.conn.EofSensorInputStream.read(EofSensorInputStream.java:137)  
at com.amazonaws.internal.SdkFilterInputStream.read(SdkFilterInputStream.java:72)  
at com.amazonaws.event.ProgressInputStream.read(ProgressInputStream.java:151)  
at com.amazonaws.internal.SdkFilterInputStream.read(SdkFilterInputStream.java:72)  
at com.amazonaws.internal.SdkFilterInputStream.read(SdkFilterInputStream.java:72)  
at com.amazonaws.internal.SdkFilterInputStream.read(SdkFilterInputStream.java:72)  
at com.amazonaws.event.ProgressInputStream.read(ProgressInputStream.java:151)  
at java.security.DigestInputStream.read(DigestInputStream.java:161)  
at com.amazonaws.services.s3.internal.DigestValidationInputStream.read(DigestValidationInputStream.java:59)  
at com.amazonaws.internal.SdkFilterInputStream.read(SdkFilterInputStream.java:72)  
at java.io.FilterInputStream.read(FilterInputStream.java:107)  
at com.google.common.io.ByteStreams.copy(ByteStreams.java:70)  
at com.google.common.io.ByteStreams.toByteArray(ByteStreams.java:115)  
at org.elasticsearch.repositories.blobstore.ChecksumBlobStoreFormat.readBlob(ChecksumBlobStoreFormat.java:94)  
at org.elasticsearch.repositories.blobstore.BlobStoreFormat.read(BlobStoreFormat.java:83)  
at org.elasticsearch.index.snapshots.blobstore.BlobStoreIndexShardRepository$Context.buildBlobStoreIndexShardSnapshots(BlobStoreIndexShardRepository.java:469)  
at org.elasticsearch.index.snapshots.blobstore.BlobStoreIndexShardRepository$SnapshotContext.snapshot(BlobStoreIndexShardRepository.java:537)  
at org.elasticsearch.index.snapshots.blobstore.BlobStoreIndexShardRepository.snapshot(BlobStoreIndexShardRepository.java:191)  
at org.elasticsearch.snapshots.SnapshotShardsService.snapshot(SnapshotShardsService.java:340)  
at org.elasticsearch.snapshots.SnapshotShardsService.access$200(SnapshotShardsService.java:76)  
at org.elasticsearch.snapshots.SnapshotShardsService$1.doRun(SnapshotShardsService.java:296)  
at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37)  
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)  
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)  
at java.lang.Thread.run(Thread.java:745)

Thanks  
Manoj Badam

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [June 28, 2017, 6:04pm UTC](https://discuss.elastic.co/t/sockettimeoutexception-in-elasticsearch-logs/87792/2 "2017-06-28T18:04:20Z")

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