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Rosjava - could not instantiate node

asked 2012-06-18 01:25:03 -0500

tommyo gravatar image

updated 2012-06-18 04:39:55 -0500

Can anybody shine some light on this error?

Exception in thread "main" org.ros.exception.RosRuntimeException: Unable to instantiate node: TestNode at org.ros.RosRun.main(RosRun.java:60) Caused by: java.lang.IllegalAccessException: Class org.ros.internal.loader.CommandLineLoader can not access a member of class TestNode with modifiers "" at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:95) at java.lang.Class.newInstance0(Class.java:366) at java.lang.Class.newInstance(Class.java:325) at org.ros.internal.loader.CommandLineLoader.loadClass(CommandLineLoader.java:240) at org.ros.RosRun.main(RosRun.java:54)

Edit: Apparently roslaunch needs the class(es) to have public visibility.

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answered 2012-07-02 23:16:01 -0500

damonkohler gravatar image

As you said, the RosRun class expects NodeMains to be public.

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Asked: 2012-06-18 01:25:03 -0500

Seen: 577 times

Last updated: Jul 02 '12