I just pull the newest codes and compiled it by myself last week, but I found contrib Kafka example can not be run well. The error is below:
heron submit local heron-kafka-spout-java-sample.jar org.apache.heron.spouts.kafka.sample.HeronKafkaSpoutSampleTopology HeronKafkaSpoutSampleTopology [2020-02-22 19:38:04 +0800] [INFO]: Using cluster definition in /Users/guoxinghua/.heron/conf/local Error: A JNI error has occurred, please check your installation and try again Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/heron/spouts/kafka/KafkaConsumerFactory at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) at java.lang.Class.privateGetMethodRecursive(Class.java:3048) at java.lang.Class.getMethod0(Class.java:3018) at java.lang.Class.getMethod(Class.java:1784) at sun.launcher.LauncherHelper.validateMainClass(LauncherHelper.java:544) at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:526) Caused by: java.lang.ClassNotFoundException: org.apache.heron.spouts.kafka.KafkaConsumerFactory at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 7 more [2020-02-22 19:38:04 +0800] [ERROR]: Failed to create topology definition file when executing class 'org.apache.heron.spouts.kafka.sample.HeronKafkaSpoutSampleTopology' of file 'heron-kafka-spout-java-sample.jar'
