Using OMNeT++ 5.2.1 on macOS Catalina

[Danushka Menikkumbura]

Hi,

I have trouble starting the IDE (5.2.1) on macOS Catalina.

I get the error "The OMNeT++ IDE is not installed!" when I try to start the application using the command line. I could use the IDE just fine on OS X Yosemite after following the installation guidelines given in the doc though.

Please kindly shed some light on this issue.

Thank you!

Best,

Danushka

[Sondous Sulaiman]

Hi,

I have the same trouble with IDE 4.6 on macOS Castalia.

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[Danushka Menikkumbura]

In my case, I could use an earlier macOS version (High Sierra) and then the issue went away.

I didn't want to spend time troubleshooting the issue but it seemed to me that the issue was with my Java version. I think Catalina has a much higher Java version than your intended OMNeT++ version requires.

Hope that's helpful.

Best,

Danushka

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[Lakshmi Krishnaswamy]

Hi!

I get the same issue with Mac ox Catalina, on 5.6.2 version and using the java version :

java version "1.8.0_271"

Java(TM) SE Runtime Environment (build 1.8.0_271-b09)

Java HotSpot(TM) 64-Bit Server VM (build 25.271-b09, mixed mode)

[Danushka Menikkumbura]

If OMNeT++ is successfully installed, it has an app directory (omnetpp.app) inside $OMNET_HOME/ide. If not, there is a log file with some error messages in the same directory. Please check if you can find some hints in this log file.

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[Sondous Sulaiman]

The problem with the version that I solved, but my problem now is that I use Castilla's compression technique, and currently I don't find the difference between compression and decompression. There is an error but I do not know where?
And the Simulation Castalia I am very weak in it
I have a discussion very soon

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[Lakshmi Krishnaswamy]

Thank you so much!

This is what I have in the log file, not sure how to fix it.. has anyone tried fixing it or any leads on how to go about this?

!SESSION 2020-11-29 11:48:30.689 -----------------------------------------------

eclipse.buildId=5.6.2.200518-aa79d0918f

java.version=1.8.0_271

java.vendor=Oracle Corporation

BootLoader constants: OS=macosx, ARCH=x86_64, WS=cocoa, NL=en_US

Command-line arguments:  -os macosx -ws cocoa -arch x86_64

!ENTRY org.eclipse.core.net 1 0 2020-11-29 11:48:38.552

!MESSAGE System property http.nonProxyHosts has been set to local|*.local|169.254/16|*.169.254/16 by an external source. This value will be overwritten using the values from the preferences

!ENTRY org.omnetpp.main 1 0 2020-11-29 11:48:40.670

!MESSAGE OMNeT++ IDE 5.6.2.200518-aa79d0918f started.

!ENTRY org.omnetpp.common 4 0 2020-11-29 11:48:45.812

!MESSAGE An error occurred while downloading the list of models available for installation from https://models.omnetpp.org/descriptors/omnetpp-5.6/descriptors.txt

!STACK 0

java.lang.RuntimeException: java.io.IOException: Server returned HTTP response code: 403 for URL: https://models.omnetpp.org/descriptors/omnetpp-5.6/descriptors.txt

at org.omnetpp.ide.installer.InstallSimulationModelsDialog.downloadProjectDescriptions(InstallSimulationModelsDialog.java:91)

at org.omnetpp.ide.installer.InstallSimulationModelsDialog$6.run(InstallSimulationModelsDialog.java:243)

at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

Caused by: java.io.IOException: Server returned HTTP response code: 403 for URL: https://models.omnetpp.org/descriptors/omnetpp-5.6/descriptors.txt

at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1900)

at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1498)

at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:268)

at org.omnetpp.ide.installer.InstallSimulationModelsDialog.downloadProjectDescriptions(InstallSimulationModelsDialog.java:74)

... 2 more

!ENTRY org.eclipse.core.jobs 4 2 2020-11-29 11:48:45.821

!MESSAGE An internal error occurred during: "Download project descriptors".

!STACK 0

org.eclipse.swt.SWTException: Invalid thread access

at org.eclipse.swt.SWT.error(SWT.java:4720)

at org.eclipse.swt.SWT.error(SWT.java:4635)

at org.eclipse.swt.SWT.error(SWT.java:4606)

at org.eclipse.swt.widgets.Widget.error(Widget.java:810)

at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:597)

at org.eclipse.swt.widgets.Text.getText(Text.java:1284)

at org.eclipse.jface.dialogs.TitleAreaDialog.updateMessage(TitleAreaDialog.java:627)

at org.eclipse.jface.dialogs.TitleAreaDialog.setErrorMessage(TitleAreaDialog.java:422)

at org.omnetpp.ide.installer.InstallSimulationModelsDialog$6.run(InstallSimulationModelsDialog.java:253)

at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

Thank you so much once again!