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traci4matlab installation failed #4

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shuowang572875852 opened this issue Feb 21, 2019 · 3 comments
Open

traci4matlab installation failed #4

shuowang572875852 opened this issue Feb 21, 2019 · 3 comments

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@shuowang572875852
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After installing traci4matlab, running traci_test.m has the following error:
错误使用 traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect

at java.net.DualStackPlainSocketImpl.connect0(Native Method)

at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)

at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)

at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)

at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)

at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

at java.net.Socket.connect(Socket.java:589)

at java.net.Socket.connect(Socket.java:538)
出错 matlab.internal.lang.fwdSubsref (line 4)
[varargout{1:nargout}] = subsref(A,s);

出错 traci.init (line 65)
connections(label).connect(host, port);

出错 traci_test (line 24)
[traciVersion,sumoVersion] = traci.init();
错误使用 traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect

at java.net.DualStackPlainSocketImpl.connect0(Native Method)

at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)

at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)

at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)

at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)

at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

at java.net.Socket.connect(Socket.java:589)

at java.net.Socket.connect(Socket.java:538)
出错 matlab.internal.lang.fwdSubsref (line 4)
[varargout{1:nargout}] = subsref(A,s);

出错 traci.init (line 65)
connections(label).connect(host, port);

出错 traci_test (line 24)
[traciVersion,sumoVersion] = traci.init();
错误使用 traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect

at java.net.DualStackPlainSocketImpl.connect0(Native Method)

at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)

at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)

at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)

at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)

at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

at java.net.Socket.connect(Socket.java:589)

at java.net.Socket.connect(Socket.java:538)
出错 matlab.internal.lang.fwdSubsref (line 4)
[varargout{1:nargout}] = subsref(A,s);

出错 traci.init (line 65)
connections(label).connect(host, port);

出错 traci_test (line 24)
[traciVersion,sumoVersion] = traci.init();
错误使用 traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect

at java.net.DualStackPlainSocketImpl.connect0(Native Method)

at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)

at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)

at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)

at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)

at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

at java.net.Socket.connect(Socket.java:589)

at java.net.Socket.connect(Socket.java:538)
出错 matlab.internal.lang.fwdSubsref (line 4)
[varargout{1:nargout}] = subsref(A,s);

出错 traci.init (line 65)
connections(label).connect(host, port);

出错 traci_test (line 24)
[traciVersion,sumoVersion] = traci.init();
错误使用 traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect

at java.net.DualStackPlainSocketImpl.connect0(Native Method)

at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)

at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)

at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)

at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)

at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

at java.net.Socket.connect(Socket.java:589)

at java.net.Socket.connect(Socket.java:538)
出错 matlab.internal.lang.fwdSubsref (line 4)
[varargout{1:nargout}] = subsref(A,s);

出错 traci.init (line 65)
connections(label).connect(host, port);

出错 traci_test (line 24)
[traciVersion,sumoVersion] = traci.init();
错误使用 traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect

at java.net.DualStackPlainSocketImpl.connect0(Native Method)

at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)

at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)

at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)

at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)

at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

at java.net.Socket.connect(Socket.java:589)

at java.net.Socket.connect(Socket.java:538)
出错 matlab.internal.lang.fwdSubsref (line 4)
[varargout{1:nargout}] = subsref(A,s);

出错 traci.init (line 65)
connections(label).connect(host, port);

出错 traci_test (line 24)
[traciVersion,sumoVersion] = traci.init();
错误使用 traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect

at java.net.DualStackPlainSocketImpl.connect0(Native Method)

at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)

at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)

at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)

at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)

at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

at java.net.Socket.connect(Socket.java:589)

at java.net.Socket.connect(Socket.java:538)
出错 matlab.internal.lang.fwdSubsref (line 4)
[varargout{1:nargout}] = subsref(A,s);

出错 traci.init (line 65)
connections(label).connect(host, port);

出错 traci_test (line 24)
[traciVersion,sumoVersion] = traci.init();
错误使用 traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect

at java.net.DualStackPlainSocketImpl.connect0(Native Method)

at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)

at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)

at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)

at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)

at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

at java.net.Socket.connect(Socket.java:589)

at java.net.Socket.connect(Socket.java:538)
出错 matlab.internal.lang.fwdSubsref (line 4)
[varargout{1:nargout}] = subsref(A,s);

出错 traci.init (line 65)
connections(label).connect(host, port);

出错 traci_test (line 24)
[traciVersion,sumoVersion] = traci.init();
错误使用 traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect

at java.net.DualStackPlainSocketImpl.connect0(Native Method)

at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)

at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)

at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)

at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)

at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

at java.net.Socket.connect(Socket.java:589)

at java.net.Socket.connect(Socket.java:538)
出错 matlab.internal.lang.fwdSubsref (line 4)
[varargout{1:nargout}] = subsref(A,s);

出错 traci.init (line 65)
connections(label).connect(host, port);

出错 traci_test (line 24)
[traciVersion,sumoVersion] = traci.init();
错误使用 traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect

at java.net.DualStackPlainSocketImpl.connect0(Native Method)

at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)

at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)

at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)

at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)

at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

at java.net.Socket.connect(Socket.java:589)

at java.net.Socket.connect(Socket.java:538)
出错 matlab.internal.lang.fwdSubsref (line 4)
[varargout{1:nargout}] = subsref(A,s);

出错 traci.init (line 65)
connections(label).connect(host, port);

出错 traci_test (line 24)
[traciVersion,sumoVersion] = traci.init();
MATLAB:Java:GenericExceptionJava exception occurred:
java.net.SocketException: Socket is not connected

at java.net.Socket.getInputStream(Socket.java:905)
结构体内容引用自非结构体数组对象。

出错 traci.sendExact (line 19)
activeConnection.dos.writeInt(len);

出错 traci.getVersion (line 23)
result = traci.sendExact();

出错 traci.init

出错 traci_test (line 24)
[traciVersion,sumoVersion] = traci.init();

and the commandline display :
Loading configuration... done.
***Starting server on port 8873 ***
Error: tcpip::Socket::accept() Unable to create listening socket: Address already in use
Quitting (on error).

D:\Program Files\matlab\R2017b\toolbox\traci4matlab\traci4matlab\examples>

During the installation process in Step 3"Adding the additional dependencies to the Matlab’s static
Java path", my javaclasspath.txt is
"D:\Program Files\matlab\R2017b\toolbox\traci4matlab\traci4matlab\traci4matlab.jar"
and the "D:\Program Files\matlab\R2017b\toolbox\traci4matlab\traci4matlab" is the path to the root folder of TraCI4Matlab.
How can i do for it?
@mnour94
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mnour94 commented Mar 28, 2020

did you happen to find a solution for this issue? I have the same problem.

@kelly7707
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any solution? I also have the same problem. Thanks in advance.

@Han21-yes
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Try to restart Matlab to make the new static Java path takes effect.

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@shuowang572875852 @mnour94 @Han21-yes @kelly7707