I'm trying to run a gtkmm project in Eclipse CDT (On Ubuntu). The project compiles fine, there are no errors reported but when I try to run the project the console prints out this message
"Gtk-WARNING **: cannot open display:"
If I go to where the executable is located, in nautilus, I can open it and it runs fine. It's just a problem when trying to run directly from Eclipse.
Thanks,
It sounds like the the "DISPLAY" environment variable is not being set in the environment used by eclipse to launch your application.
To check this, Edit the Run Configuration for the the program you are trying to launch. Next, select the Environment tab. If there is a DISPLAY variable already set, make sure it is correct (usually it should be ":0.0"). If there is not one, create one and set it to ":0.0".
Related
Let say I have a working Eclipse project . The debug configuration is set up correctly such that I can launch Eclipse and start debug mode with a few clicks. No other run time input is needed and a breakpoint is already added to the beginning of the program.
Instead of clicking, I want to know if there is a way that I can do this from a terminal. Basically I want to script the command. I've found the options to disable splashdown and select the workspace. The Eclipse version is Luna. Thanks.
Check the properties of the process that's in the Debug view when you start it from there. Also: http://help.eclipse.org/luna/topic/org.eclipse.platform.doc.user/tasks/running_eclipse.htm
I have written a small piece of code in C++(gui/wxWidgets) . It compiles/ links without any errors and produces an executable that when launched from command line opens the desired 'Hello World!' window, but when tried from within eclipse (menu, toolbar or ctrl-F11), it doesn't run. A quick error dialog appears/disappears before it can be read. After many runs I could make out that of the two msgs it displays, one reads something like "Looking for executables...". Apparently eclipse is unable to get to the executable in the Debug folder.
I tried a console application which runs without any issue from within eclipse as well.
My installation is indigo on Ubuntu 12.04.
Any ideas what could be the problem?
Problem resolved.
There was no Launch Configuration in Project Properties -> Run/Debug Settings.
Added one with defaults and it worked.
When configuring a new run on Eclipse, and selecting a working directory from "Other" -> "File System", the whole 'Run Configurations' box becomes unusable and I cannot access any more settings for that launch configuration or any other ones that was already there. This only happens if at least one of the run configurations is set up to use another folder from "Other" instead of the default. It has always worked on my other machines running Ubuntu 12.04 and 12.10 but it just happened on the new one with 13.04. I could not get it to work, I tried different versions of Eclipse, different versions of the Java. Any idea on how to solve this?
I had same error. Perhaps its throw because you have installed on eclipse run Jetty plugin, you have one debug configuration realtive to close project.
To solve it, you have to open the project before open run configurations.
I am a beginner in using Eclipse and PyDev (Aptana Studio 3). I am not used to and i don't understand the workflow in such big IDEs as Eclipse.
I have a simple task: i have a simple Python script, which i want to open and run in Eclipse, having its output in Eclipse console. Or debug it.
Until now i used another IDE called Eric4, which allowed me to do what i want - open a file and run immediately, without creating a project or setting up launch configurations.
Is this possible in Eclipse, or i have to create a project for each file i want to run or debug? I want to understand how it works.
I guess i understand that creating a project is needed at least for settings up the paths (PYTHONPATH), but if it's a single script - somehow to use by default the current directory?
For example i have a folder called snippets where i keep a lot of python scripts which demonstrate some functionality. How do i open these files one by one and run them?
Most of my coworkers launch python scripts in a separate console - python my_scipt.py.
You need to have at least one project with the configuration you want (i.e.: syntax type, interpreter), then, open the file you want to run and press F9.
If it's an external file -- i.e.: a file that's not under a project in Eclipse -- it'll ask you to associate a project with the launch to get the needed information for the launch, but the file doesn't really have to be in the project (note that you can drag external files from your filesystem into Eclipse to open them).
I suggest you follow the steps on the getting started: http://pydev.org/manual_101_root.html (it guides you to configuring PyDev and explains how to do a run/debug session).
I'm working on a blackberry project using eclipse and bb-ant tools. I've created a build.xml file to perform the build. Everytime I try to run an Ant build, eclipse pops up the progress dialog and it hangs stating "Waiting for virtual machine to exit."
I downloaded an open source Blackberry project that has an ant build and it is showing the same behavior.
Does anyone have any suggestions?
Edit:
I used the command line to build my xml file and it built fine. However, when I tried from Eclipse it still hangs.
I've tried both the standard eclipse plugin directory and the path I downloaded ant to.
You could check if your ANT_HOME settings are correct (see also this blog post).
"Window > Preference > Ant > Runtime": "Ant Home Entries".
if the jars files are from a plugin directory (beside the default 'org.apache.ant_1.7.1.v20090120-1145' one) and not an independent ant installation, that might explain the problem.
Try clicking the "Ant Home" button on the right side and setting up ant home such as "C:\path\to\apache-ant-1.7.0"
There are similar bugs to this kind of situation (bug 173419, ticket 91).
It is worth checking the JVM used for the project.
It can also occurs when a ant task is poorly implemented.
You had the problem because the java version ant tries to run with is incorrect.
By default, eclipse will try to run the ant build with the java version it uses to compile the java files (Blackberry JRE), which won't work! You need to change the jre version by choosing "Run As... > Ant build". Before clicking run, go to the JRE tab, choose "Separate JRE:" and change "Blackberry JRE " to a standard java JRE. Press the run button and everything should work correctly.
I hit this problem also. Although I never used the same solution, you pointed me in the same direction.
I was using a ant file as a builder in my project, and I disabled the Allocate Console build option. This is when I hit the 'Waiting for virtual machine to exit'.
So I simply enabled the Launch in background option and it worked.