"Error using connector.ensureServiceOn" when clicking "Get Add-Ons"
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Esther
il 30 Nov 2015
Commentato: MUTHUKUMARASAMY V
il 31 Dic 2020
Asking this question in case anyone else has faced the same problem / has found a solution.
Release: R2015b 64 bit, Windows.
When clicking on "Get Add-Ons", this error message pops up on the command window:
Error using connector.ensureServiceOn
Error starting MATLAB Connector. Please check that port 31515 is available.
com.mathworks.jmi.MatlabException: Error starting MATLAB Connector. Please check that port 31515 is available.
at com.mathworks.jmi.NativeMatlab.SendMatlabMessage(Native Method)
at com.mathworks.jmi.NativeMatlab.sendMatlabMessage(NativeMatlab.java:266)
at com.mathworks.jmi.MatlabLooper.sendMatlabMessage(MatlabLooper.java:120)
at com.mathworks.jmi.Matlab.mtFevalConsoleOutput(Matlab.java:1778)
at com.mathworks.jmi.MatlabWorker.feval(MatlabWorker.java:195)
at com.mathworks.jmi.MatlabWorker.feval(MatlabWorker.java:172)
at com.mathworks.addons.ConnectorFactory$1.runOnMatlabThread(ConnectorFactory.java:37)
at com.mathworks.jmi.MatlabWorker$2.run(MatlabWorker.java:79)
at com.mathworks.jmi.NativeMatlab.dispatchMTRequests(NativeMatlab.java:475)
What I've tried:
- Allowed R2015b.exe in the Firewall for inbound and outbound connections.
- Allowed TCP port 31515 in the Firewall for inbound and outbound connections.
Still no luck.
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Risposta accettata
Dave Behera
il 4 Dic 2015
Hi,
The issue is related to the network configuration. One possible workaround is forcing JVM to use IPv4 over IPv6 by setting the java.net.preferIPv4Stack config. The following discussion page provides some relevant discussion:
To work around this issue create a new System Variable named JAVA_TOOL_OPTION, with the value -Djava.net.preferIPv4Stack=true
3 Commenti
Dominik Melcher
il 14 Set 2016
I solved the problem by deleting the MATLAB_JAVA path in my system variables.
Più risposte (2)
AFTAB ALAM ANSARI
il 22 Nov 2017
Don't go for rubbish like "it's because of JAVA". This happens when MATLAB is blocked by some firewall that is blocking MATLAB from connecting to Internet. MATLAB uses Internet during Stimulation. Just exclude it from firewall and there you go. There will be no error.
2 Commenti
Eric Zhai
il 22 Gen 2019
This answer really helps me. After I exclude MATLAB from the firewall in the computer, the error never come up.
Hicham Belh
il 16 Dic 2018
i got this error by click on getaddon:
Version: Matlab 2018a
error:
was: Server did not respond to initial request: 127.0.0.1:31714
initial request: 127.0.0.1:31714
thx for any help
Lega
1 Commento
MUTHUKUMARASAMY V
il 31 Dic 2020
I too get the same error when opening model configuration parameters
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