Apache Spark Scala logging Exception in thread "main" java.lang.NoSuchFieldError: EMPTY_BYTE_ARRAY

Question

尝试添加日志依赖项，我有一个 POM 文件，如：

<dependency>
  <groupId>org.apache.logging.log4j</groupId>
  <artifactId>log4j-api-scala_2.12</artifactId>
  <version>12.0</version>
</dependency>

<dependency>
  <groupId>org.apache.logging.log4j</groupId>
  <artifactId>log4j-core</artifactId>
  <version>2.17.2</version>
</dependency>

它在运行时给我这个错误：

Exception in thread "main" java.lang.NoSuchFieldError: EMPTY_BYTE_ARRAY
at org.apache.logging.log4j.core.config.ConfigurationSource.<clinit>(ConfigurationSource.java:58)
at org.apache.logging.log4j.core.config.NullConfiguration.<init>(NullConfiguration.java:32)
at org.apache.logging.log4j.core.LoggerContext.<clinit>(LoggerContext.java:74)
at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.createContext(ClassLoaderContextSelector.java:254)
at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.locateContext(ClassLoaderContextSelector.java:218)
at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext(ClassLoaderContextSelector.java:136)
at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext(ClassLoaderContextSelector.java:123)
at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext(ClassLoaderContextSelector.java:117)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:150)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:47)
at org.apache.logging.log4j.LogManager.getContext(LogManager.java:194)
at org.apache.logging.log4j.scala.Logger$.apply(Logger.scala:39)
at org.apache.logging.log4j.scala.Logging.$init$(Logging.scala:28)

但是如果我将 log4j-core 版本设置为 2.13.2 它工作正常。

Answer 1

通过添加新的依赖项 log4j-api 现在它可以与 log4j-core 版本 2.17.2 一起正常工作:

<dependency>
  <groupId>org.apache.logging.log4j</groupId>
  <artifactId>log4j-api</artifactId>
  <version>2.17.2</version>
</dependency>

Apache Spark Scala logging Exception in thread "main" java.lang.NoSuchFieldError: EMPTY_BYTE_ARRAY

Apache Spark Scala logging Exception in thread "main" java.lang.NoSuchFieldError: EMPTY_BYTE_ARRAY

java

log4j

log4j2

apache-spark

scala-logging