Getting a error while executing veins scenario in omnet++ .Error:Connection to TraCI server lost.

[Palash Jain]

I was simulating a VEINS scenario omnetpp.ini on OMNET++ IDE interface in connection with SUMO.As directed in the tutorial guide https://veins.car2x.org/tutorial/ I followed all the steps and at final step where in the OMNeT++  IDE, we have to simulate the Veins demo scenario by right-clicking on veins-4.7/examples/veins/omnetpp.ini and choosing Run As > OMNeT++ simulation.I did as directed  but still I got error message 

<!> Error: Connection to TraCI server lost. Check your server's log. Error message: 104: Connection reset by peer -- in module (Veins::TraCIScenarioManagerLaunchd) RSUExampleScenario.manager (id=6), at t=0s, event #1

At the terminal window it is showing

Connection from 127.0.0.1 on port 33636

Handling connection from 127.0.0.1 on port 33636

Got TraCI message of length 2

Got TraCI command of length 1

Got TraCI command 0x0

Got CMD_GETVERSION

Got TraCI message of length 295

Got TraCI command of length 290

Got TraCI command 0x75

Got CMD_FILE_SEND for "sumo-launchd.launch.xml"

Got CMD_FILE_SEND with data "<launch>

  <copy file="erlangen.net.xml"/>

  <copy file="erlangen.rou.xml"/>

  <copy file="erlangen.poly.xml"/>

  <copy file="erlangen.sumo.cfg" type="config"/>

  <basedir path="/home/palash/veins-veins-4.7.1/examples/veins/"/>

  <seed value="0"/>

</launch>

"

Creating temporary directory...

Temporary dir is /tmp/sumo-launchd-tmp-LdFqQt

Base dir is /home/palash/veins-veins-4.7.1/examples/veins/

Seed is 0

Finding free port number...

Claiming lock on port

...found port 44249

Starting SUMO (/home/palash/sumo-0.32.0/bin/sumo.exe -c erlangen.sumo.cfg) on port 44249, seed 0

Releasing lock on port

Cleaning up

Result: "<?xml version="1.0"?>

<status>

<exit-code>-1</exit-code>

<start>1536898171</start>

<end>1536898171</end>

<status>Could not start SUMO (/home/palash/sumo-0.32.0/bin/sumo.exe -c erlangen.sumo.cfg): [Errno 2] No such file or directory</status>

<stdout><![CDATA[]]></stdout>

<stderr><![CDATA[]]></stderr>

</status>

"

Closing connection from 127.0.0.1 on port 33636

PLEASE LET ME KNOW WHAT CAN I DO TO REMOVE THE ERROR.

[min wang]

I encounter the same question on my ubuntu 16.04 and omnet 4.4  sumo 0.22.0

在 2018年9月14日星期五 UTC+8下午2:29:29，Palash Jain写道：

[Christoph Sommer]

Palash Jain wrote:
> Could not start SUMO (/home/palash/sumo-0.32.0/bin/sumo.exe -c erlangen.sumo.cfg): [Errno 2] No such file or directory</status>
>

> PLEASE LET ME KNOW WHAT CAN I DO TO REMOVE THE ERROR.

The error message ("No such file or directory") points to you trying to run a file that does not exist. Most likely, the file (/home/palash/sumo-0.32.0/bin/sumo.exe) really does not exist. Maybe it is in a different path, or maybe it is called "sumo" instead of "sumo.exe".

Best,

Christoph

--
Jun.-Prof. Dr.-Ing. Christoph Sommer
Cooperative Mobile Systems (CCS Labs)
Heinz Nixdorf Institute, Paderborn University, Germany
http://www.ccs-labs.org/~sommer/

[Emmanuel Amachaghi]

This error message is due to incorrect path. 

You can rectify this by pointing to the directory it is searching for.

Regards, 

//emma

Virus-free. www.avg.com

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