ruanqizhen

应该是机器配置的问题，因为同样的程序，在 colab 上没有问题，但在我自己的电脑上就出现了以上问题。但说是配置问题也很奇怪，一般配置问题应该是运行出错，而这里却是影响运行效果。 现在一时也没有头绪，我再试试看吧。

> @ruanqizhen can you show me the full stacktrace? The one that is after `Caused by: java.lang.NullPointerException `? This is the entire stacktrace it returned. `Caused by: java.lang.NullPointerException ` is...

> @ruanqizhen I think the GeometryType might have indeterministic behavior over invalid geometries. We need to further investigate this issue. > > Can you run `ST_IsValid` on your geometry column?...

> @ruanqizhen `ST_MakeValid` might not work for all cases. Any way to fix geometries is `ST_Buffer(geom, 0)`. > > If both of the method still cannot fix the issue, I...

> @ruanqizhen The polygon is invalid for `Difference` operation because it has nested holes > > > You can use ST_ExteriorRing (https://sedona.apache.org/1.5.1/api/sql/Function/#st_exteriorring) to only use the exterior ring. > >...

这个程序所需的最小 GPU 内存有多大啊？我的 8G 内存，运行不起来。