log an error message . concode_field_sep PlaceHolder placeHolder concode_field_sep void setHierarchy concode_elem_sep void warn concode_elem_sep void warn concode_elem_sep void trace concode_elem_sep void debug concode_elem_sep boolean isTraceEnabled concode_elem_sep boolean isTraceEnabled concode_elem_sep boolean isDebugEnabled concode_elem_sep boolean isDebugEnabled concode_elem_sep void info concode_elem_sep void fatal concode_elem_sep void fatal
void function ( Object arg0 ) { org . apache . log4j . Logger loc0 = org . apache . log4j . Logger . getLogger ( Thread . currentThread ( ) . getStackTrace ( ) [ 2 ] . getClassName ( ) ) ; loc0 . error ( arg0 ) ; }