java小白，运行jar包时无法加载包外的xml文件，如下提示，请大神帮忙

[armstrongd]

!! This is a development version. The software is provided as-is,
!! with no implied or expressed warranties. Report bugs to
!! [e-mail]
=================================================================
Added material type SOLID
Added material type KINETIC
Added sigma CONST
Added sigma INV
Added interaction SURFACE_HIT
Added interaction CHEMISTRY
Added interaction MCC
Added surface impact model NONE
Added surface impact model ABSORB
Added surface impact model SPECULAR
Added surface impact model DIFFUSE
Added surface impact model COSINE
Added surface source UNIFORM
Added surface source MAXWELLIAN
Added surface source AMBIENT
Added surface source AMBIENT_DENSITY
Added surface source COSINE
Added volume source PRELOAD
Added solver CONSTANT-EF
Added solver QN
Added solver POISSON
Loading starfish.xml
ERROR: Failed to open input file starfish.xml

[wula0010]

xml的文件路径不对，你输出下你读取的路径和实际路径比较下。