[sumo-user] Multi-Clients in TraaS

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[sumo-user] Multi-Clients in TraaS

From: 周大兵 <zdb2004826@xxxxxxx>
Date: Fri, 1 Feb 2019 13:29:26 +0800 (CST)
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Hi Sumo:

I was building multi-clients to SUMO by employing below example code in JDK enviroment:

https://github.com/eclipse/sumo/blob/master/tools/contributed/traas/examples/java_library/MultiClient1.java

https://github.com/eclipse/sumo/blob/master/tools/contributed/traas/examples/java_library/MultiClient2.java

and encounter the error information below:(By the way It is OK when I tried 2 python multi-clients connecting to SUMO)

Error: Answered with error to command 0x03: Wrong position in requestMessage after dispatching command. Expected command length was 10 but 6 Bytes were read.

java.net.SocketException: Connection reset

at java.net.SocketInputStream.read(SocketInputStream.java:210)

at java.net.SocketInputStream.read(SocketInputStream.java:141)

at java.net.SocketInputStream.read(SocketInputStream.java:224)

at java.io.DataInputStream.readInt(DataInputStream.java:387)

at de.tudresden.sumo.util.Query.doSimulationStep(Query.java:135)

at de.tudresden.sumo.util.CommandProcessor.do_SimulationStep(CommandProcessor.java:74)

at it.polito.appeal.traci.SumoTraciConnection.do_timestep(SumoTraciConnection.java:407)

at it.polito.appeal.traci.SumoTraciConnection.do_timestep(SumoTraciConnection.java:400)

at MultiClient1.main(MultiClient1.java:32)