环境:html
openSUSE42.2java
hadoop2.6.0-cdh5.10.0shell
spark1.6.0-cdh5.10.0apache
按照网上的spark安装教程安装完以后,启动spark-shell,出现以下报错:app
报错信息:ide
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/fs/FSDataInputStream at org.apache.spark.deploy.SparkSubmitArguments$$anonfun$mergeDefaultSparkProperties$1.apply(SparkSubmitArguments.scala:117) at org.apache.spark.deploy.SparkSubmitArguments$$anonfun$mergeDefaultSparkProperties$1.apply(SparkSubmitArguments.scala:117) at scala.Option.getOrElse(Option.scala:120) at org.apache.spark.deploy.SparkSubmitArguments.mergeDefaultSparkProperties(SparkSubmitArguments.scala:117) at org.apache.spark.deploy.SparkSubmitArguments.<init>(SparkSubmitArguments.scala:103) at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:114) at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala) Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.FSDataInputStream at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 7 more
报错缘由:oop
通过各类搜狗,Stack Overflow终于发现缘由:spa
从spark1.4之后,全部spark的编译都是没有将hadoop的classpath编译进去的,因此必须在spark-env.sh中指定hadoop中的全部jar包。.net
具体设置以下:scala
在spark-evn.sh中添加
# 这里实际上就是执行一条hadoop的命令,将hadoop的classpath引一下
export export SPARK_DIST_CLASSPATH=$(${HADOOP_HOME}/bin/hadoop classpath)
具体的说明:
这里是官网上的说明
https://spark.apache.org/docs/latest/hadoop-provided.html