【发布时间】：2014-04-08 12:57:41
【问题描述】：
在启动 apache sqoop 时出现以下错误，任何人都可以给出解决方法吗？
使用的版本是Hadoop 2.2，Sqoop 1.99.3。
Hadoop 在运行 sqoop 之前启动。
这些正在运行。 SecondaryNameNode、DataNode、NodeManager、NameNode、ResourceManager、Jps、JobHistoryServer，
java.util.ServiceConfigurationError: org.apache.hadoop.mapreduce.protocol.ClientProtocolProvider: Provider org.apache.hadoop.mapred.YarnClientProtocolProvider not a subtype
at java.util.ServiceLoader.fail(ServiceLoader.java:214)
at java.util.ServiceLoader.access$300(ServiceLoader.java:164)
at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:352)
at java.util.ServiceLoader$1.next(ServiceLoader.java:428)
at org.apache.hadoop.mapreduce.Cluster.initialize(Cluster.java:89)
at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:82)
at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:75)
at org.apache.hadoop.mapred.JobClient.init(JobClient.java:470)
at org.apache.hadoop.mapred.JobClient.<init>(JobClient.java:449)
at org.apache.sqoop.submission.mapreduce.MapreduceSubmissionEngine.initialize(MapreduceSubmissionEngine.java:113)
at org.apache.sqoop.framework.JobManager.initialize(JobManager.java:215)
at org.apache.sqoop.core.SqoopServer.initialize(SqoopServer.java:53)
at org.apache.sqoop.server.ServerInitializer.contextInitialized(ServerInitializer.java:36)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4206)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4705)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:943)
at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:778)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:504)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1317)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1065)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
at org.apache.catalina.core.StandardService.start(StandardService.java:525)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
8 Apr, 2014 3:05:30 PM org.apache.catalina.core.StandardContext listenerStop
【问题讨论】：