Apache Spark
CentOSspark 2.0 集群配置好后，启动集群，启动时master及所有worker都能正常启动
但打开master控制台http://master:8080/后，master节点报：
使用的版本是：spark-2.0.0-bin-hadoop2.7.tgz，部署系统为：Centos 7
查看服务器，使用的jetty版本是：javax.servlet-api-3.1.0.jar
jetty-6.1.26.jar
16/08/15 16:29:52 WARN HttpChannel: /
java.lang.NoSuchMethodError: javax.servlet.http.HttpServletRequest.isAsyncStarted()Z
at org.spark_project.jetty.servlets.gzip.GzipHandler.handle(GzipHandler.java:484)
at org.spark_project.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)
at org.spark_project.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
at org.spark_project.jetty.server.Server.handle(Server.java:499)
at org.spark_project.jetty.server.HttpChannel.handle(HttpChannel.java:311)
at org.spark_project.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
at org.spark_project.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
at org.spark_project.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
at org.spark_project.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
at java.lang.Thread.run(Thread.java:745)
16/08/15 16:29:52 WARN QueuedThreadPool:
java.lang.NoSuchMethodError: javax.servlet.http.HttpServletResponse.getStatus()I
at org.spark_project.jetty.server.handler.ErrorHandler.handle(ErrorHandler.java:112)
at org.spark_project.jetty.server.Response.sendError(Response.java:597)
at org.spark_project.jetty.server.HttpChannel.handleException(HttpChannel.java:487)
at org.spark_project.jetty.server.HttpConnection$HttpChannelOverHttp.handleException(HttpConnection.java:594)
at org.spark_project.jetty.server.HttpChannel.handle(HttpChannel.java:387)
at org.spark_project.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
at org.spark_project.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
at org.spark_project.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
at org.spark_project.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
at java.lang.Thread.run(Thread.java:745)
16/08/15 16:29:52 WARN QueuedThreadPool: Unexpected thread death: org.spark_project.jetty.util.thread.QueuedThreadPool$3
HttpServletResponse 类里面没有 .getStatus() 方法。
说明你版本不对。你看看是版本高了 还是低了，你引用的 肯定出现的jar 覆盖的情况。看看你具体使用的哪个jar ,maven 可以剔除你不要的版本
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