Question

我预先构建了Spark 1.4.1并且我正在运行HDP 2.6。当我运行spark-shell时，它给出了如下错误信息。这是因为我错过了一个jar文件吗？

  java.lang.NoClassDefFoundError: javax/ws/rs/WebApplicationException
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
    at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
    at org.apache.spark.ui.SparkUI.<init>(SparkUI.scala:37)
    at org.apache.spark.ui.SparkUI$.create(SparkUI.scala:190)
    at org.apache.spark.ui.SparkUI$.createLiveUI(SparkUI.scala:141)
    at org.apache.spark.SparkContext.<init>(SparkContext.scala:440)
    at org.apache.spark.repl.SparkILoop.createSparkContext(SparkILoop.scala:1017)
    at $iwC$$iwC.<init>(<console>:9)
    at $iwC.<init>(<console>:18)
    at <init>(<console>:20)
    at .<init>(<console>:24)
    at .<clinit>(<console>)
    at .<init>(<console>:7)
    at .<clinit>(<console>)
    at $print(<console>)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.spark.repl.SparkIMain$ReadEvalPrint.call(SparkIMain.scala:1065)
    at org.apache.spark.repl.SparkIMain$Request.loadAndRun(SparkIMain.scala:1338)
    at org.apache.spark.repl.SparkIMain.loadAndRunReq$1(SparkIMain.scala:840)
    at org.apache.spark.repl.SparkIMain.interpret(SparkIMain.scala:871)
    at org.apache.spark.repl.SparkIMain.interpret(SparkIMain.scala:819)
    at org.apache.spark.repl.SparkILoop.reallyInterpret$1(SparkILoop.scala:857)
    at org.apache.spark.repl.SparkILoop.interpretStartingWith(SparkILoop.scala:902)
    at org.apache.spark.repl.SparkILoop.command(SparkILoop.scala:814)
    at org.apache.spark.repl.SparkILoopInit$$anonfun$initializeSpark$1.apply(SparkILoopInit.scala:123)

问题是什么？

Answer 1

此错误消息表示类路径中缺少javax.ws.rs API jar文件。您可以访问Maven存储库并下载该jar文件并将其放入类路径中。 javax.ws.rs是RESTful Web服务的Java API。

Maven存储库： http://mvnrepository.com/artifact/javax.ws.rs

Spark REPL在启动时出错

1 个答案: