网友收藏spark报java.lang.NoSuchMethodError: io.netty.buffer.PooledByteBufAllocator.defaultNumHeapArena()I_exception in thread "main" java.lang.nosuchmethode-CSDN博客
文章浏览阅读1.5k次。spark2.4.6与scala2.11.12运行程序过程中，遇到了netty版本冲突或包缺失导致程序出现NoSuchMethodError异常，报错如下：Exception in thread “main” java.lang.NoSuchMethodError: io.netty.buffer.PooledByteBufAllocator.defaultNumHeapArena()I20/07......
