SLF4J / SLF4J-500 [Open] SLF4J LOG4J 12 Binding throws Null Pointer Exception staring with version 1.7.19 ============================== Here's what changed in this issue in the last few minutes. This issue has been created This issue is now assigned to you. View or comment on issue using this link https://jira.qos.ch/browse/SLF4J-500 ============================== Issue created ------------------------------ Anushree created this issue on 24/Aug/20 8:12 AM Summary: SLF4J LOG4J 12 Binding throws Null Pointer Exception staring with version 1.7.19 Issue Type: Bug Affects Versions: 1.7.19, 1.7.20, 1.7.30 Assignee: SLF4J developers list Components: Unspecified Created: 24/Aug/20 8:12 AM Environment: I was using fluent-logger for logging and it worked well until version 1.7.18 for slf4j-log4j12. This is the offending commit introduced in 1.7.19  which was done to fix a NullPointerException. Its force initializing rootLogger to fix a NPE in multithreaded scenarios looks like. The irony is this is the commit which is causing NullPointerException for us [https://github.com/qos-ch/slf4j/commit/111b8e581e247b33bb2fe66bd0118399e0b49...] Here is the stack trace for my error: hdiuser@hn0-d0140a:/usr/hdp/4.1-0/spark2/jars$ spark-submit --version SPARK_MAJOR_VERSION is set to 2, using Spark2 Unexpected problem occured during version sanity check Reported exception: java.lang.NullPointerException         at org.slf4j.LoggerFactory.versionSanityCheck(LoggerFactory.java:267)         at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:126)         at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:412)         at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:357)         at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:383)         at org.fluentd.logger.sender.RawSocketSender.<clinit>(RawSocketSender.java:34)         at org.fluentd.logger.FluentLoggerFactory.getLogger(FluentLoggerFactory.java:72)         at org.fluentd.logger.FluentLoggerFactory.getLogger(FluentLoggerFactory.java:51)         at org.fluentd.logger.FluentLogger.getLogger(FluentLogger.java:40)         at com.mdsdclient.MdsLogger.<init>(Unknown Source)         at com.log4jappender.common.logger.HdInsightLoggerLinux.<init>(Unknown Source)         at com.log4jappender.common.logger.HdInsightLoggerFactory.getLogger(Unknown Source)         at com.log4jappender.common.appendercore.AnonymizeLogAppenderCommon.getLogger(Unknown Source)         at com.log4jappender.common.appendercore.AnonymizeLogAppenderCommon.<init>(Unknown Source)         at com.log4jappender.AnonymizeLogAppender.activateOptions(Unknown Source)         at org.apache.log4j.config.PropertySetter.activate(PropertySetter.java:307)         at org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:172)         at org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:104)         at org.apache.log4j.PropertyConfigurator.parseAppender(PropertyConfigurator.java:842)         at org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator.java:768)         at org.apache.log4j.PropertyConfigurator.configureRootCategory(PropertyConfigurator.java:648)         at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:514)         at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:580)         at org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:526)         at org.apache.log4j.LogManager.<clinit>(LogManager.java:127)         at org.slf4j.impl.Log4jLoggerFactory.<init>(Log4jLoggerFactory.java:66)         at org.slf4j.impl.StaticLoggerBinder.<init>(StaticLoggerBinder.java:72)         at org.slf4j.impl.StaticLoggerBinder.<clinit>(StaticLoggerBinder.java:45)         at org.apache.spark.internal.Logging$.org$apache$spark$internal$Logging$$isLog4j12(Logging.scala:222)         at org.apache.spark.internal.Logging.initializeLogging(Logging.scala:127)         at org.apache.spark.internal.Logging.initializeLogIfNecessary(Logging.scala:111)         at org.apache.spark.internal.Logging.initializeLogIfNecessary$(Logging.scala:105)         at org.apache.spark.deploy.SparkSubmit.initializeLogIfNecessary(SparkSubmit.scala:75)         at org.apache.spark.deploy.SparkSubmit.doSubmit(SparkSubmit.scala:83)         at org.apache.spark.deploy.SparkSubmit$$anon$2.doSubmit(SparkSubmit.scala:1007)         at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:1016)         at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala) Exception in thread "main" java.lang.ExceptionInInitializerError         at org.fluentd.logger.FluentLoggerFactory.getLogger(FluentLoggerFactory.java:72)         at org.fluentd.logger.FluentLoggerFactory.getLogger(FluentLoggerFactory.java:51)         at org.fluentd.logger.FluentLogger.getLogger(FluentLogger.java:40)         at com.mdsdclient.MdsLogger.<init>(Unknown Source)         at com.log4jappender.common.logger.HdInsightLoggerLinux.<init>(Unknown Source)         at com.log4jappender.common.logger.HdInsightLoggerFactory.getLogger(Unknown Source)         at com.log4jappender.common.appendercore.AnonymizeLogAppenderCommon.getLogger(Unknown Source)         at com.log4jappender.common.appendercore.AnonymizeLogAppenderCommon.<init>(Unknown Source)         at com.log4jappender.AnonymizeLogAppender.activateOptions(Unknown Source)         at org.apache.log4j.config.PropertySetter.activate(PropertySetter.java:307)         at org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:172)         at org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:104)         at org.apache.log4j.PropertyConfigurator.parseAppender(PropertyConfigurator.java:842)         at org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator.java:768)         at org.apache.log4j.PropertyConfigurator.configureRootCategory(PropertyConfigurator.java:648)         at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:514)         at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:580)         at org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:526)         at org.apache.log4j.LogManager.<clinit>(LogManager.java:127)         at org.slf4j.impl.Log4jLoggerFactory.<init>(Log4jLoggerFactory.java:66)         at org.slf4j.impl.StaticLoggerBinder.<init>(StaticLoggerBinder.java:72)         at org.slf4j.impl.StaticLoggerBinder.<clinit>(StaticLoggerBinder.java:45)         at org.apache.spark.internal.Logging$.org$apache$spark$internal$Logging$$isLog4j12(Logging.scala:222)         at org.apache.spark.internal.Logging.initializeLogging(Logging.scala:127)         at org.apache.spark.internal.Logging.initializeLogIfNecessary(Logging.scala:111)         at org.apache.spark.internal.Logging.initializeLogIfNecessary$(Logging.scala:105)         at org.apache.spark.deploy.SparkSubmit.initializeLogIfNecessary(SparkSubmit.scala:75)         at org.apache.spark.deploy.SparkSubmit.doSubmit(SparkSubmit.scala:83)         at org.apache.spark.deploy.SparkSubmit$$anon$2.doSubmit(SparkSubmit.scala:1007)         at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:1016)         at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala) Priority: Major Reporter: Anushree ============================== This message was sent by Atlassian Jira (v8.8.0#808000-sha1:e2c7e59)