# java.net.BindException: Address not available

**URL:** <https://community.gatling.io/t/java-net-bindexception-address-not-available/4983>\
**Category:** Gatling (Open-Source)\
**Created:** [April 29, 2019, 12:24pm UTC](https://community.gatling.io/t/java-net-bindexception-address-not-available/4983 "2019-04-29T12:24:37Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![Vinay\_Patil](https://avatars.discourse-cdn.com/v4/letter/v/9de0a6/32.png) [@Vinay\_Patil](https://community.gatling.io/u/Vinay_Patil)\
**Post date:** [April 29, 2019, 12:24pm UTC](https://community.gatling.io/t/java-net-bindexception-address-not-available/4983/1 "2019-04-29T12:24:37Z")

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Hi All,

I am using Gatling to load test a spring application build using Spring webflux and mongo databse. My API just takes a string parameter and does a get call on the mongo reactive repository. My application is deployed in Google cloud GKE and GCE (mongo DB). Gatling test access the API end point over internet using public IP.

Test works fine till the load 28000 concurrent users, when I inject 30K users at once , I get ‘java.net.BindException: Address not available’. Can someone please give some idea on the issue.

> # Request: getEligibilityMVCSimulation: KO i.n.c.AbstractChannel$AnnotatedSocketException: Address not available: /some\_ip:80
> 
> # Session: Session(getEligibilityMVCSimulation,30975,1556538559546,Map(gatling.http.ssl.sslContexts → SslContexts(io.netty.handler.ssl.OpenSslClientContext@3ff8fa07,None), gatling.http.cache.dns → io.gatling.http.cache.DnsCacheSupport$$anon$1@5273a181, gatling.http.cache.baseUrl → [http://localhost:8182/eligibility-service/v1/](http://localhost:8182/eligibility-service/v1/)),0,KO,List(),io.gatling.core.protocol.ProtocolComponentsRegistry$$Lambda$435/194107588@4249260d)
> 
> # HTTP request: GET http://some\_ip/eligibility-service/v1/8672 headers= Accept: application/json, text/javascript, _/_; q=0.01 Accept-Charset: ISO-8859-1,utf-8;q=0.7,\*;q=0.7 origin: http://some\_ip host: some\_ip
> 
> HTTP response:

11:49:30.614 [WARN] i.g.h.e.GatlingHttpListener - Request ‘getEligibilityMVCSimulation’ failed for user 30983  
java.net.BindException: Address not available  
… 34 common frames omitted  
Wrapped by: io.netty.channel.AbstractChannel$AnnotatedSocketException: Address not available: /some\_ip  
at sun.nio.ch.Net.connect0(Native Method)  
at sun.nio.ch.Net.connect(Net.java:454)  
at sun.nio.ch.Net.connect(Net.java:446)  
at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)  
at io.netty.util.internal.SocketUtils$3.run(SocketUtils.java:83)  
at io.netty.util.internal.SocketUtils$3.run(SocketUtils.java:80)  
at java.security.AccessController.doPrivileged(Native Method)  
at io.netty.util.internal.SocketUtils.connect(SocketUtils.java:80)  
at io.netty.channel.socket.nio.NioSocketChannel.doConnect(NioSocketChannel.java:312)  
at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.connect(AbstractNioChannel.java:254)  
at io.netty.channel.DefaultChannelPipeline$HeadContext.connect(DefaultChannelPipeline.java:1366)  
at io.netty.channel.AbstractChannelHandlerContext.invokeConnect(AbstractChannelHandlerContext.java:545)  
at io.netty.channel.AbstractChannelHandlerContext.connect(AbstractChannelHandlerContext.java:530)  
at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.connect(CombinedChannelDuplexHandler.java:497)  
at io.netty.channel.ChannelOutboundHandlerAdapter.connect(ChannelOutboundHandlerAdapter.java:47)  
at io.netty.channel.CombinedChannelDuplexHandler.connect(CombinedChannelDuplexHandler.java:298)  
at io.netty.channel.AbstractChannelHandlerContext.invokeConnect(AbstractChannelHandlerContext.java:545)  
at io.netty.channel.AbstractChannelHandlerContext.connect(AbstractChannelHandlerContext.java:530)  
at io.netty.channel.ChannelDuplexHandler.connect(ChannelDuplexHandler.java:50)  
at io.netty.channel.AbstractChannelHandlerContext.invokeConnect(AbstractChannelHandlerContext.java:545)  
at io.netty.channel.AbstractChannelHandlerContext.connect(AbstractChannelHandlerContext.java:530)  
at io.netty.channel.ChannelDuplexHandler.connect(ChannelDuplexHandler.java:50)  
at io.netty.channel.AbstractChannelHandlerContext.invokeConnect(AbstractChannelHandlerContext.java:545)  
at io.netty.channel.AbstractChannelHandlerContext.connect(AbstractChannelHandlerContext.java:530)  
at io.netty.channel.AbstractChannelHandlerContext.connect(AbstractChannelHandlerContext.java:512)  
at io.netty.channel.DefaultChannelPipeline.connect(DefaultChannelPipeline.java:1024)  
at io.netty.channel.AbstractChannel.connect(AbstractChannel.java:259)  
at io.netty.bootstrap.Bootstrap$3.run(Bootstrap.java:252)  
at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)  
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404)  
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:462)  
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:897)  
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)  
at java.lang.Thread.run(Thread.java:748)  
11:49:30.614 [WARN] i.g.h.e.r.DefaultStatsProcessor - Request ‘getEligibilityMVCSimulation’ failed for user 30983: i.n.c.AbstractChannel$AnnotatedSocketException: Address not available: /some\_ip:80

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<div class="post-metadata">

**Author:** ![notdryft](https://dub1.discourse-cdn.com/flex013/user_avatar/community.gatling.io/notdryft/32/1103_2.png) [@notdryft](https://community.gatling.io/u/notdryft)\
**Post date:** [April 30, 2019, 7:43am UTC](https://community.gatling.io/t/java-net-bindexception-address-not-available/4983/2 "2019-04-30T07:43:49Z")

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You ran out of local port that Gatling can use to open new connections, did you try the optimizations showed here : [https://gatling.io/docs/current/general/operations/](https://gatling.io/docs/current/general/operations/) ?

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<div class="post-metadata">

**Author:** ![Vinay\_Patil](https://avatars.discourse-cdn.com/v4/letter/v/9de0a6/32.png) [@Vinay\_Patil](https://community.gatling.io/u/Vinay_Patil)\
**Post date:** [April 30, 2019, 5:47pm UTC](https://community.gatling.io/t/java-net-bindexception-address-not-available/4983/3 "2019-04-30T17:47:21Z")

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Hi , Thanks for reply. I tried almost all the steps given in link but no luck with the exception.  
I am working on GCE VM with Debian 9 stretch. Initially ulimit -n was returning 1024 and after I followed all the steps in [https://gatling.io/docs/current/general/operations/](https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgatling.io%2Fdocs%2Fcurrent%2Fgeneral%2Foperations%2F&data=02%7C01%7Cvinay.l%40tataelxsi.co.in%7Cce05970b48ff4b5b4cdb08d6cd676afe%7Cad6a39dd96b6436882daf2ec4d92e26a%7C0%7C0%7C636922241395661584&sdata=qMl7UukS5zZMb4gC4F8c9rmX0qdIhA9wF80KIvo5QbA%3D&reserved=0) ulimit -a is returning as 65535. But I am getting same exception.  
ulimit -a gives below result,

`joy123456@gatling-tests-vm-2:~$ ulimit -a`

core file size (blocks, -c) 0  
data seg size (kbytes, -d) unlimited  
scheduling priority (-e) 0  
file size (blocks, -f) unlimited  
pending signals (-i) 60087  
max locked memory (kbytes, -l) 64  
max memory size (kbytes, -m) unlimited  
open files (-n) 1024  
pipe size (512 bytes, -p) 8  
POSIX message queues (bytes, -q) 819200  
real-time priority (-r) 0  
stack size (kbytes, -s) 8192  
cpu time (seconds, -t) unlimited  
max user processes (-u) 60087  
virtual memory (kbytes, -v) unlimited  
file locks (-x) unlimited

I am running gatling as a docker container using image [https://github.com/denvazh/gatling](https://github.com/denvazh/gatling) . I checked ulimit on docker container, and it gives below result,

joy123456@gatling-tests-vm-2:~$  
`sudo docker run -it --entrypoint sh denvazh/gatling`

`/opt/gatling # ulimit -a`

-f: file size (blocks) unlimited  
-t: cpu time (seconds) unlimited  
-d: data seg size (kb) unlimited  
-s: stack size (kb) 8192  
-c: core file size (blocks) unlimited  
-m: resident set size (kb) unlimited  
-l: locked memory (kb) 64  
-p: processes unlimited  
-n: file descriptors 1048576  
-v: address space (kb) unlimited  
-w: locks unlimited  
-e: scheduling priority 0  
-r: real-time priority 0

Apparently limit is set properly. am I missing anything ?

Thanks,  
Vinay

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<div class="post-metadata">

**Author:** ![Vinay\_Patil](https://avatars.discourse-cdn.com/v4/letter/v/9de0a6/32.png) [@Vinay\_Patil](https://community.gatling.io/u/Vinay_Patil)\
**Post date:** [April 30, 2019, 5:56pm UTC](https://community.gatling.io/t/java-net-bindexception-address-not-available/4983/4 "2019-04-30T17:56:29Z")

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Hi,

I got doubt if I pasted correct output.

On host machine (GCE VM Debian 9 stretch) I get below ulimit

`  
joy123456@gatling-tests-vm:~$ ulimit -a  
core file size (blocks, -c) 0  
data seg size (kbytes, -d) unlimited  
scheduling priority (-e) 0  
file size (blocks, -f) unlimited  
pending signals (-i) 29848  
max locked memory (kbytes, -l) 64  
max memory size (kbytes, -m) unlimited  
open files (-n) 65535  
pipe size (512 bytes, -p) 8  
POSIX message queues (bytes, -q) 819200  
real-time priority (-r) 0  
stack size (kbytes, -s) 8192  
cpu time (seconds, -t) unlimited  
max user processes (-u) 29848  
virtual memory (kbytes, -v) unlimited  
file locks (-x) unlimited

`

and on Container ,

`joy123456@gatling-tests-vm:~$ sudo docker run -it --entrypoint sh denvazh/gatling /opt/gatling # ulimit -a -f: file size (blocks) unlimited -t: cpu time (seconds) unlimited -d: data seg size (kb) unlimited -s: stack size (kb) 8192 -c: core file size (blocks) unlimited -m: resident set size (kb) unlimited -l: locked memory (kb) 64 -p: processes unlimited -n: file descriptors 1048576 -v: address space (kb) unlimited -w: locks unlimited -e: scheduling priority 0 -r: real-time priority 0`

I followed all the steps mentioned in optimization reference doc but do not have any luck on the exception.

Thanks,  
Vinay

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<div class="post-metadata">

**Author:** ![slandelle](https://dub1.discourse-cdn.com/flex013/user_avatar/community.gatling.io/slandelle/32/4_2.png) [@slandelle](https://community.gatling.io/u/slandelle)\
**Post date:** [April 30, 2019, 6:50pm UTC](https://community.gatling.io/t/java-net-bindexception-address-not-available/4983/5 "2019-04-30T18:50:21Z")

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IHMO this issue is not related to local port starvation as that’s the REMOTE address that can’t be reached.  
Googling this error message a bit seems to point to a Docker issue.  
You might want to ask on a Docker mailing list instead.

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<div class="post-metadata">

**Author:** ![Vinay\_Patil](https://avatars.discourse-cdn.com/v4/letter/v/9de0a6/32.png) [@Vinay\_Patil](https://community.gatling.io/u/Vinay_Patil)\
**Post date:** [May 1, 2019, 7:02am UTC](https://community.gatling.io/t/java-net-bindexception-address-not-available/4983/6 "2019-05-01T07:02:01Z")

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Thanks… I will try. It will be helpful if you can point me to any useful link on the issue.