com.mongodb.MongoException$Network Caused by: java.net.SocketTimeoutException: Read timed out

Question

When I insert documents into Mongo-DB using morphia, it always occur com.mongodb.MongoException$Network: Write operation to server exceptions, maybe interval of one minute The follow is the stack info:

com.mongodb.MongoException$Network: Write operation to server
    at com.mongodb.DBTCPConnector.say(DBTCPConnector.java:153)
    at com.mongodb.DBTCPConnector.say(DBTCPConnector.java:115)
    at com.mongodb.DBApiLayer$MyCollection.update(DBApiLayer.java:327)
    at com.mongodb.DBCollection.update(DBCollection.java:178)
    at com.mongodb.DBCollection.save(DBCollection.java:818)
    at com.google.code.morphia.DatastoreImpl.save(DatastoreImpl.java:882)
    at com.google.code.morphia.DatastoreImpl.save(DatastoreImpl.java:949)
    at com.google.code.morphia.DatastoreImpl.save(DatastoreImpl.java:934)
    at com.yeahmobi.datasystem.conversion.datarepository.mongodb.MongoTransmappingRepository.insert(MongoTransmappingRepository.java:36)
    at com.yeahmobi.datasystem.conversion.datarepository.merge.MergeTransmappingRepository.insert(MergeTransmappingRepository.java:24)
    at com.yeahmobi.datasystem.conversion.threads.JumpInserter.saveJumpLog(JumpInserter.java:134)
    at com.yeahmobi.datasystem.conversion.threads.JumpInserter.run(JumpInserter.java:163)
    at java.lang.Thread.run(Thread.java:662)
Caused by: java.net.SocketTimeoutException: Read timed out
    at java.net.SocketInputStream.socketRead0(Native Method)
    at java.net.SocketInputStream.read(SocketInputStream.java:129)
    at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
    at java.io.BufferedInputStream.read1(BufferedInputStream.java:258)
    at java.io.BufferedInputStream.read(BufferedInputStream.java:317)
    at org.bson.io.Bits.readFully(Bits.java:46)
    at org.bson.io.Bits.readFully(Bits.java:33)
    at org.bson.io.Bits.readFully(Bits.java:28)
    at com.mongodb.Response.<init>(Response.java:40)
    at com.mongodb.DBPort.go(DBPort.java:142)
    at com.mongodb.DBPort.go(DBPort.java:106)
    at com.mongodb.DBPort.findOne(DBPort.java:162)
    at com.mongodb.DBPort.runCommand(DBPort.java:170)
    at com.mongodb.DBTCPConnector._checkWriteError(DBTCPConnector.java:100)
    at com.mongodb.DBTCPConnector.say(DBTCPConnector.java:142)

Is there anyone meet the same issues? Any sugguestion is appreciated.

Thanks

What are your versions of Morphia & MongoDB? Do you have a firewall or load balancer in front of your MongoDB instance? If the interval is consistently about 1 minute, it sounds like there is some sort of timeout happening. — Stennie
– Stennie, Commented Jan 24, 2014 at 14:39
Thanks for you comments, my morphia version is 0.104 and the MongoDB is 2.4. I hava checked the network and server load, they are all not heigh. The LBS was used, but now it has been changed to use the direct connection with IP. And there are about 12% insert will failed — Forest Yuan
– Forest Yuan, Commented Jan 25, 2014 at 1:03

user972946 · Accepted Answer · 2014-01-24 07:46:23Z

2

This is unusual and should not happen often during normal operation.

Try to debug from networking/OS perspective, check the following:

Is the connectivity between application and Mongo reliable? What's the packet drop rate and latency?
Is there enough network bandwidth between application and Mongo?
Has there been any software/hardware trouble on the application/Mongo server?
Was the server on high load when it happens?

answered Jan 24, 2014 at 7:46

user972946

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2 Comments

Forest Yuan Over a year ago

Thanks for your anwsers, the notwork/Server looks like ok. But there also are 12% insert failed. The mongo client options are: MongoClientOptions options = MongoClientOptions.builder() .autoConnectRetry(true) .maxAutoConnectRetryTime(10) .socketTimeout(2000) .socketKeepAlive(true).build()

Forest Yuan Over a year ago

The problem has been solved. When I add two datanode, the issue disappeared

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