Build failed on creating extensions

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#1

Hello everyone! :wave:

I’m following the Create an extension tutorial from the Kodular docs, but when I try to compile it it says “BUILD FAILED”. Here is the log I get on the console:

BUILD FAILED
C:\Users\murba\Desktop\TIMEFACTORIES_UNTOUCHED\appinventor-sources-master\appinventor-sources-master\appinventor\build.xml:46: The following error occurred while executing this line:
C:\Users\murba\Desktop\TIMEFACTORIES_UNTOUCHED\appinventor-sources-master\appinventor-sources-master\appinventor\build-common.xml:321: The following error occurred while executing this line:
C:\Users\murba\Desktop\TIMEFACTORIES_UNTOUCHED\appinventor-sources-master\appinventor-sources-master\appinventor\common\build.xml:99: Execute failed: java.io.IOException: Cannot run program “git” (in directory “C:\Users\murba\Desktop\TIMEFACTORIES_UNTOUCHED\appinventor-sources-master\appinventor-sources-master\appinventor\common”): CreateProcess error=2, El sistema no puede encontrar el archivo especificado
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)
at java.lang.Runtime.exec(Runtime.java:620)
at org.apache.tools.ant.taskdefs.launcher.Java13CommandLauncher.exec(Java13CommandLauncher.java:58)
at org.apache.tools.ant.taskdefs.Execute.launch(Execute.java:424)
at org.apache.tools.ant.taskdefs.Execute.execute(Execute.java:438)
at org.apache.tools.ant.taskdefs.ExecTask.runExecute(ExecTask.java:660)
at org.apache.tools.ant.taskdefs.ExecTask.runExec(ExecTask.java:699)
at org.apache.tools.ant.taskdefs.ExecTask.execute(ExecTask.java:527)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
at org.apache.tools.ant.Task.perform(Task.java:350)
at org.apache.tools.ant.Target.execute(Target.java:449)
at org.apache.tools.ant.Target.performTasks(Target.java:470)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1401)
at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:36)
at org.apache.tools.ant.Project.executeTargets(Project.java:1264)
at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:437)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
at org.apache.tools.ant.Task.perform(Task.java:350)
at org.apache.tools.ant.Target.execute(Target.java:449)
at org.apache.tools.ant.Target.performTasks(Target.java:470)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1401)
at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:36)
at org.apache.tools.ant.Project.executeTargets(Project.java:1264)
at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:437)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
at org.apache.tools.ant.Task.perform(Task.java:350)
at org.apache.tools.ant.Target.execute(Target.java:449)
at org.apache.tools.ant.Target.performTasks(Target.java:470)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1401)
at org.apache.tools.ant.Project.executeTarget(Project.java:1374)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1264)
at org.apache.tools.ant.Main.runBuild(Main.java:827)
at org.apache.tools.ant.Main.startAnt(Main.java:223)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:284)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:101)
Caused by: java.io.IOException: CreateProcess error=2, El sistema no puede encontrar el archivo especificado
at java.lang.ProcessImpl.create(Native Method)
at java.lang.ProcessImpl.(ProcessImpl.java:444)
at java.lang.ProcessImpl.start(ProcessImpl.java:140)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)
… 47 more

Do you know how I can solve it?
Thank you very much,
Markus

#2

Did You Read message error above ?

#4

Hello!
Yes, but I didn’t understand it… I thought that the build.xml file was not there, but it is…

#5

this is your error message (in bold)

your directory structure looks strange…
*\appinventor-sources-master\appinventor-sources-master*

how do you build the extension? like this?

ant clean
ant extensions

Taifun

2 Likes
#6

Hello Taifun!

Yes, I built my extension using ant extensions
Maybe I should try to set the Appinventor sources folder to my C:// directory?

#7

I just changed the directory and it worked like a charm. :grinning: :+1:
Have a nice day!

#8

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