Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via kafka-users by Haoming Zhang, 1 year ago
via kafka-users by Haoming Zhang, 1 year ago
via Stack Overflow by John
, 2 years ago
This exception has no message.
java.lang.NullPointerException: 	at org.apache.kafka.clients.producer.KafkaProducer.(KafkaProducer.java:98)	at org.apache.kafka.clients.producer.KafkaProducer.(KafkaProducer.java:94)	at kafka.producer.KafkaLog4jAppender.activateOptions(KafkaLog4jAppender.scala:63)	at org.apache.log4j.config.PropertySetter.activate(PropertySetter.java:257)	at org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:133)	at org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:97)	at org.apache.log4j.PropertyConfigurator.parseAppender(PropertyConfigurator.java:689)	at org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator.java:647)	at org.apache.log4j.PropertyConfigurator.parseCatsAndRenderers(PropertyConfigurator.java:568)	at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:442)	at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:476)	at org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:471)	at org.apache.log4j.LogManager.(LogManager.java:125)	at org.slf4j.impl.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:73)	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:243)	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:255)	at org.apache.kafka.clients.producer.KafkaProducer.(KafkaProducer.java:64)	at Test$delayedInit$body.apply(Test.scala:47)	at scala.Function0$class.apply$mcV$sp(Function0.scala:40)	at scala.runtime.AbstractFunction0.apply$mcV$sp(AbstractFunction0.scala:12)	at scala.App$$anonfun$main$1.apply(App.scala:71)	at scala.App$$anonfun$main$1.apply(App.scala:71)	at scala.collection.immutable.List.foreach(List.scala:318)	at scala.collection.generic.TraversableForwarder$class.foreach(TraversableForwarder.scala:32)	at scala.App$class.main(App.scala:71)	at Test$.main(Test.scala:21)	at Test.main(Test.scala)