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Ismael Juma resolved KAFKA-12341. --------------------------------- Resolution: Fixed > Duplicate javassist library found in broker classpath > ----------------------------------------------------- > > Key: KAFKA-12341 > URL: https://issues.apache.org/jira/browse/KAFKA-12341 > Project: Kafka > Issue Type: Bug > Components: config, release > Affects Versions: 2.7.0 > Environment: Linux Ubuntu Server 18.04 > Reporter: Cosmin Giurgiu > Assignee: Ismael Juma > Priority: Minor > Fix For: 2.8.0 > > > Installed new kafka 2.7.0 with scala 2.13, configured and start broker. > Checked the process information and found: > {code:java} > /opt/jdk11/bin/java -Xmx1G -Xms1G -server -XX:+UseG1GC > -XX:MaxGCPauseMillis=20 -XX:InitiatingHeapOccupancyPercent=35 > -XX:+ExplicitGCInvokesConcurrent -XX:MaxInlineLevel=15 > -Djava.awt.headless=true > -Xlog:gc*:file=/home/kafka/kafka/logs2/kafkaServer-gc.log:time,tags:filecount=10,filesize=100M > -Dcom.sun.management.jmxremote > -Dcom.sun.management.jmxremote.authenticate=false > -Dcom.sun.management.jmxremote.ssl=false > -Dkafka.logs.dir=/home/kafka/kafka/logs2 > -Dlog4j.configuration=file:/home/kafka/kafka/bin/../config/log4j.properties > -cp > /home/kafka/kafka/bin/../libs/activation-1.1.1.jar:[...]:/home/kafka/kafka/bin/../libs/javassist-3.25.0-GA.jar:/home/kafka/kafka/bin/../libs/javassist-3.26.0-GA.jar:[...] > kafka.Kafka /home/kafka/kafka/config/server.properties{code} > There are two versions of javassist library - 3.25.0-GA and 3.26.0-GA. > Should be only one and I believe it should be upgraded to latest version > which is 3.27.0-GA. -- This message was sent by Atlassian Jira (v8.3.4#803005)