[ https://issues.apache.org/jira/browse/KAFKA-4883?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Manikumar resolved KAFKA-4883. ------------------------------ Resolution: Fixed Assignee: Manikumar Fix Version/s: 1.2.0 > invalid client sasl.jaas.config triggers NullPointerException > ------------------------------------------------------------- > > Key: KAFKA-4883 > URL: https://issues.apache.org/jira/browse/KAFKA-4883 > Project: Kafka > Issue Type: Bug > Affects Versions: 0.10.2.0 > Reporter: Xavier Léauté > Assignee: Manikumar > Priority: Minor > Fix For: 1.2.0 > > > Using an invalid sasl.jaas.config property causes a NullPointerException to > be thrown, which makes it difficult to understand the root of the problem. > Example of an invalid config > {code} > sasl.jaas.config=KafkaClient {\n\ > org.apache.kafka.common.security.plain.PlainLoginModule required\n\ > username="xxxxx"\n\ > password="XXXX";\n\ > } > {code} > Resulting stack trace: > {code} > org.apache.kafka.common.KafkaException: Failed to construct kafka producer > at > org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:342) > at > org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:166) > [...] > Caused by: org.apache.kafka.common.KafkaException: > java.lang.NullPointerException > at > org.apache.kafka.common.network.SaslChannelBuilder.configure(SaslChannelBuilder.java:94) > at > org.apache.kafka.common.network.ChannelBuilders.create(ChannelBuilders.java:93) > at > org.apache.kafka.common.network.ChannelBuilders.clientChannelBuilder(ChannelBuilders.java:51) > at > org.apache.kafka.clients.ClientUtils.createChannelBuilder(ClientUtils.java:84) > at > org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:305) > ... 41 more > Caused by: java.lang.NullPointerException > at > org.apache.kafka.common.security.JaasConfig.loginModuleControlFlag(JaasConfig.java:87) > at > org.apache.kafka.common.security.JaasConfig.parseAppConfigurationEntry(JaasConfig.java:110) > at > org.apache.kafka.common.security.JaasConfig.<init>(JaasConfig.java:65) > at > org.apache.kafka.common.security.JaasUtils.jaasConfig(JaasUtils.java:59) > at > org.apache.kafka.common.network.SaslChannelBuilder.configure(SaslChannelBuilder.java:85) > ... 45 more > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)