STORM-2008: kafka jars must be part of the storm-kafka topology #1596
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This is for solving following exception:
Exception in thread "main" java.lang.NoClassDefFoundError: kafka/api/OffsetRequest
at org.apache.storm.kafka.KafkaConfig.<init>(KafkaConfig.java:48)
at org.apache.storm.kafka.trident.TridentKafkaConfig.<init>(TridentKafkaConfig.java:30)
at org.apache.storm.starter.trident.TridentKafkaWordCount.createTransactionalKafkaSpout(TridentKafkaWordCount.java:102)
at org.apache.storm.starter.trident.TridentKafkaWordCount.addTridentState(TridentKafkaWordCount.java:131)
at org.apache.storm.starter.trident.TridentKafkaWordCount.buildConsumerTopology(TridentKafkaWordCount.java:149)
at org.apache.storm.starter.trident.TridentKafkaWordCount.runMain(TridentKafkaWordCount.java:249)
at org.apache.storm.starter.trident.TridentKafkaWordCount.main(TridentKafkaWordCount.java:240)
Caused by: java.lang.ClassNotFoundException: kafka.api.OffsetRequest
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 7 more
raghavgautam
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This is for solving following exception that we see when we try to run TridentKafkaWordCount topology.
Exception in thread "main" java.lang.NoClassDefFoundError: kafka/api/OffsetRequest at org.apache.storm.kafka.KafkaConfig.<init>(KafkaConfig.java:48) at org.apache.storm.kafka.trident.TridentKafkaConfig.<init>(TridentKafkaConfig.java:30) at org.apache.storm.starter.trident.TridentKafkaWordCount.createTransactionalKafkaSpout(TridentKafkaWordCount.java:102) at org.apache.storm.starter.trident.TridentKafkaWordCount.addTridentState(TridentKafkaWordCount.java:131) at org.apache.storm.starter.trident.TridentKafkaWordCount.buildConsumerTopology(TridentKafkaWordCount.java:149) at org.apache.storm.starter.trident.TridentKafkaWordCount.runMain(TridentKafkaWordCount.java:249) at org.apache.storm.starter.trident.TridentKafkaWordCount.main(TridentKafkaWordCount.java:240) Caused by: java.lang.ClassNotFoundException: kafka.api.OffsetRequest at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 7 more