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iyaozhen commented on KAFKA-3326: --------------------------------- Oh no. It is my problem. MD5 (kafka_2.11-0.9.0.1.tgz) = dfc0601ad7bb815e21e1697bc2d8c967 But https://dist.apache.org/repos/dist/release/kafka/0.9.0.1/kafka_2.11-0.9.0.1.tgz.md5 is 'B71E5CBC78165C1CA483279C27402663'. > Error: A JNI error has occurred, please check your installation and try again > ----------------------------------------------------------------------------- > > Key: KAFKA-3326 > URL: https://issues.apache.org/jira/browse/KAFKA-3326 > Project: Kafka > Issue Type: Bug > Components: config > Affects Versions: 0.9.0.1 > Reporter: iyaozhen > > I use kafka start at > doc(http://kafka.apache.org/documentation.html#quickstart): > [kafka_2.11-0.9.0.1] bin/kafka-server-start.sh config/server.properties > Error: A JNI error has occurred, please check your installation and try again > Exception in thread "main" java.lang.NoClassDefFoundError: > org/apache/log4j/Logger > 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.log4j.Logger > 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 > java -version > java version "1.8.0_66" > Java(TM) SE Runtime Environment (build 1.8.0_66-b17) > Java HotSpot(TM) 64-Bit Server VM (build 25.66-b17, mixed mode) > echo $CLASSPATH > .:/home/work/yaozhen/jdk1.8.0_66/lib/dt.jar:/home/work/yaozhen/jdk1.8.0_66/lib/tools.jar > My JAVA is poor, I am no idea to resolve it. -- This message was sent by Atlassian JIRA (v6.3.4#6332)