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via JIRA by Michael Stack, 1 year ago
This exception has no message.
java.lang.NullPointerExceptionjava.lang.NullPointerException: 	at it.unimi.dsi.mg4j.util.MutableString.append(MutableString.java:811)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:585)	at bsh.Reflect.invokeMethod(Unknown Source)	at bsh.Reflect.invokeObjectMethod(Unknown Source)	at bsh.Name.invokeMethod(Unknown Source)	at bsh.BSHMethodInvocation.eval(Unknown Source)	at bsh.BSHPrimaryExpression.eval(Unknown Source)	at bsh.BSHPrimaryExpression.eval(Unknown Source)	at bsh.Interpreter.run(Unknown Source)	at bsh.Interpreter.main(Unknown Source)