网站介绍：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()I20/07/13 12:50:55 INFO SecurityManager: SecurityManager: au_exception in thread "main" java.lang.nosuchmethoderror: io.netty.buffer.pool
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