I created a new bare bones project with eclipse as the ide and java 8 as the target.
Opened the project with eclipse.
ran it.
This fails - the first stack trace is this one, but if using the debugger you continue, more
errors occur and ultimately the app fails to launch.
MavinTest - Debug Simulator [Maven Build]
org.codehaus.plexus.classworlds.launcher.Launcher at localhost:60820
Thread [main] (Suspended (exception NullPointerException))
AnsiConsole.getBoolean(String) line: 460
AnsiConsole.() line: 226
MessageUtils.systemInstall() line: 59
MavenCli.main(String[], ClassWorld) line: 204
NativeMethodAccessorImpl.invoke0(Method, Object, Object[]) line: not available [native method]
NativeMethodAccessorImpl.invoke(Object, Object[]) line: 78
DelegatingMethodAccessorImpl.invoke(Object, Object[]) line: 43
Method.invoke(Object, Object...) line: 567
Launcher.launchEnhanced(String[]) line: 255
Launcher.launch(String[]) line: 201
Launcher.mainWithExitCode(String[]) line: 361
Launcher.main(String[]) line: 314
C:\Users\ddyer.p2\pool\plugins\org.eclipse.justj.openjdk.hotspot.jre.full.win32.x86_64_16.0.1.v20210528-1205\jre\bin\javaw.exe (May 23, 2026, 12:09:41 PM) [pid: 168868]
the same project runs fine if invoked from the command line ( run.bat)
mavintest.zip
I created a new bare bones project with eclipse as the ide and java 8 as the target.
Opened the project with eclipse.
ran it.
This fails - the first stack trace is this one, but if using the debugger you continue, more
errors occur and ultimately the app fails to launch.
MavinTest - Debug Simulator [Maven Build]
org.codehaus.plexus.classworlds.launcher.Launcher at localhost:60820
Thread [main] (Suspended (exception NullPointerException))
AnsiConsole.getBoolean(String) line: 460
AnsiConsole.() line: 226
MessageUtils.systemInstall() line: 59
MavenCli.main(String[], ClassWorld) line: 204
NativeMethodAccessorImpl.invoke0(Method, Object, Object[]) line: not available [native method]
NativeMethodAccessorImpl.invoke(Object, Object[]) line: 78
DelegatingMethodAccessorImpl.invoke(Object, Object[]) line: 43
Method.invoke(Object, Object...) line: 567
Launcher.launchEnhanced(String[]) line: 255
Launcher.launch(String[]) line: 201
Launcher.mainWithExitCode(String[]) line: 361
Launcher.main(String[]) line: 314
C:\Users\ddyer.p2\pool\plugins\org.eclipse.justj.openjdk.hotspot.jre.full.win32.x86_64_16.0.1.v20210528-1205\jre\bin\javaw.exe (May 23, 2026, 12:09:41 PM) [pid: 168868]
the same project runs fine if invoked from the command line ( run.bat)
mavintest.zip