sqoopclientjavaapi将mysql的数据导到hdfs

package com.hadoop.recommend; import org.apache.sqoop.client.SqoopClient;import org.apache.sqoop.model.MDriverConfig; import org.apache.sqoop.model.MFromConfig;import org.apache.sqoop.model.MJob; import org.apache.sqoop.model.MLink; import org.apache.sqoop.model.MLinkConfig; import org.apache.sqoop.model.MSubmission; import org.apache.sqoop.model.MToConfig; import org.apache.sqoop.submission.counter.Counter; import org.apache.sqoop.submission.counter.CounterGroup; import org.apache.sqoop.submission.counter.Counters; import org.apache.sqoop.validation.Status; public class MysqlToHDFS { public static void main(String[] args) { sqoopTransfer(); } public static void sqoopTransfer() { //初始化 String url = "http://master:12000/sqoop/"; SqoopClient client = new SqoopClient(url); //创建一个源链接 JDBC long fromCOnnectorId= 2; MLink fromLink = client.createLink(fromConnectorId); fromLink.setName("JDBC connector"); fromLink.setCreationUser("hadoop"); MLinkConfig fromLinkCOnfig= fromLink.getConnectorLinkConfig(); fromLinkConfig.getStringInput("linkConfig.connectionString").setValue("jdbc:mysql://master:3306/hive"); fromLinkConfig.getStringInput("linkConfig.jdbcDriver").setValue("com.mysql.jdbc.Driver"); fromLinkConfig.getStringInput("linkConfig.username").setValue("root"); fromLinkConfig.getStringInput("linkConfig.password").setValue(""); Status fromStatus = client.saveLink(fromLink); if(fromStatus.canProceed()) { System.out.println("创建JDBC Link成功，ID为: " + fromLink.getPersistenceId()); } else { System.out.println("创建JDBC Link失败"); } //创建一个目的地链接HDFS long toCOnnectorId= 1; MLink toLink = client.createLink(toConnectorId); toLink.setName("HDFS connector"); toLink.setCreationUser("hadoop"); MLinkConfig toLinkCOnfig= toLink.getConnectorLinkConfig(); toLinkConfig.getStringInput("linkConfig.uri").setValue("hdfs://master:9000/"); Status toStatus = client.saveLink(toLink); if(toStatus.canProceed()) { System.out.println("创建HDFS Link成功，ID为: " + toLink.getPersistenceId()); } else { System.out.println("创建HDFS Link失败"); } //创建一个任务 long fromLinkId = fromLink.getPersistenceId(); long toLinkId = toLink.getPersistenceId(); MJob job = client.createJob(fromLinkId, toLinkId); job.setName("MySQL to HDFS job"); job.setCreationUser("hadoop"); //设置源链接任务配置信息 MFromConfig fromJobCOnfig= job.getFromJobConfig(); fromJobConfig.getStringInput("fromJobConfig.schemaName").setValue("sqoop"); fromJobConfig.getStringInput("fromJobConfig.tableName").setValue("sqoop"); fromJobConfig.getStringInput("fromJobConfig.partitionColumn").setValue("id"); MToConfig toJobCOnfig= job.getToJobConfig(); toJobConfig.getStringInput("toJobConfig.outputDirectory").setValue("/user/hdfs/recommend"); MDriverConfig driverCOnfig= job.getDriverConfig(); driverConfig.getStringInput("throttlingConfig.numExtractors").setValue("3"); Status status = client.saveJob(job); if(status.canProceed()) { System.out.println("JOB创建成功，ID为: "+ job.getPersistenceId()); } else { System.out.println("JOB创建失败。"); } //启动任务 long jobId = job.getPersistenceId(); MSubmission submission = client.startJob(jobId); System.out.println("JOB提交状态为 : " + submission.getStatus()); while(submission.getStatus().isRunning() && submission.getProgress() != -1) { System.out.println("进度 : " + String.format("%.2f %%", submission.getProgress() * 100)); //三秒报告一次进度 try { Thread.sleep(3000); } catch (InterruptedException e) { e.printStackTrace(); } } System.out.println("JOB执行结束... ..."); System.out.println("Hadoop任务ID为 :" + submission.getExternalId()); Counters counters = submission.getCounters(); if(counters != null) { System.out.println("计数器:"); for(CounterGroup group : counters) { System.out.print("\t"); System.out.println(group.getName()); for(Counter counter : group) { System.out.print("\t\t"); System.out.print(counter.getName()); System.out.print(": "); System.out.println(counter.getValue()); } } } if(submission.getExceptionInfo() != null) { System.out.println("JOB执行异常，异常信息为 : " +submission.getExceptionInfo()); } System.out.println("MySQL通过sqoop传输数据到HDFS统计执行完毕"); } }

报了这个错失咋回事？？