Do you mind sharing your log4j2 xml and if you can run it with your version separately as a simple standalone client?
On Wed, Apr 20, 2016 at 4:26 AM, Prem Panchami <pre...@nabler.com> wrote: > Hi, > We have a Kafka producer app that participates in the larger system. It > worked fine sending messages. We just added our new tracing utility (uses > SLF4J, LOG4J2) which has a couple of loggers that use Kafka appenders. Now > we get a null pointer exception when we try to create KafkaProducer. If we > remove all loggers from the Log4j2.xml it successfully constructs and > proceeds as before. > > We have tried various combinations of Maven exclusions. It only works when > we effectively shunt our tracing utility. Any pointers on how we can have > them coexist such that our producer app can use the common tracing utility? > > Thanks in advance! > -p > > Exception in thread "main" java.lang.ExceptionInInitializerError > at Producer.nPrepTestProducer.Sender.<init>(Sender.java:55) > at Producer.nPrepTestProducer.KafkaProducer.main(KafkaProducer.java:43) > Caused by: java.lang.NullPointerException > at > org.apache.kafka.clients.producer.KafkaProducer.close(KafkaProducer.java:613) > at > org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:319) > at > org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:181) > at > org.apache.logging.log4j.core.appender.mom.kafka.DefaultKafkaProducerFactory.newKafkaProducer(DefaultKafkaProducerFactory.java:29) > at > org.apache.logging.log4j.core.appender.mom.kafka.KafkaManager.startup(KafkaManager.java:86) > at > org.apache.logging.log4j.core.appender.mom.kafka.KafkaAppender.start(KafkaAppender.java:98) > at > org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:225) > at > org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:492) > at > org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:562) > at > org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:578) > at > org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:214) > at > org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:145) > at > org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:41) > at org.apache.logging.log4j.LogManager.getContext(LogManager.java:182) > at > org.apache.logging.log4j.spi.AbstractLoggerAdapter.getContext(AbstractLoggerAdapter.java:103) > at > org.apache.logging.slf4j.Log4jLoggerFactory.getContext(Log4jLoggerFactory.java:43) > at > org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:42) > at > org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:29) > at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:277) > at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:288) > at > org.apache.kafka.clients.producer.KafkaProducer.<clinit>(KafkaProducer.java:125) > ... 2 more > > ________________________________ > > *******NABLER******** CAUTION - Disclaimer *******NABLER******** > This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended > solely for the use of the addressee(s). If you are not the intended > recipient, please notify the sender by e-mail and delete the original > message. Further, you are not to copy, disclose, or distribute this e-mail > or its contents to any other person and any such actions are unlawful. This > e-mail may contain viruses. NABLER has taken every reasonable precaution to > minimize this risk, but is not liable for any damage you may sustain as a > result of any virus in this e-mail. You should carry out your own virus > checks before opening the e-mail or attachment. NABLER reserves the right > to monitor and review the content of all messages sent to or from this > e-mail address. Messages sent to or from this e-mail address may be stored > on the NABLER e-mail system. > *** NABLER******** End of Disclaimer ********NABLER*** > -- Radha Krishna, Proddaturi 253-234-5657
