<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>PySpark on DevTrace — 글로벌 개발 에러 트러블슈팅</title><link>https://tokkabi.com/tags/pyspark/</link><description>Recent content in PySpark on DevTrace — 글로벌 개발 에러 트러블슈팅</description><generator>Hugo -- 0.125.0</generator><language>ko</language><lastBuildDate>Mon, 31 Aug 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://tokkabi.com/tags/pyspark/index.xml" rel="self" type="application/rss+xml"/><item><title>Spark 'Unsupported class file major version 55' 오류 — Java 11과 Spark 2.4 버전 호환성 문제 해결</title><link>https://tokkabi.com/posts/spark-unsupported-class-file-major-version-55/</link><pubDate>Mon, 31 Aug 2026 00:00:00 +0000</pubDate><guid>https://tokkabi.com/posts/spark-unsupported-class-file-major-version-55/</guid><description>Spark 2.4.x는 Java 8을 요구하는데 Java 11로 실행하면 &amp;#39;Unsupported class file major version 55&amp;#39; 오류가 발생합니다. Java 8로 전환하거나 Spark 3.0+로 업그레이드하는 두 가지 해결책과 검증 방법을 단계별로 정리합니다.</description></item></channel></rss>