Sqoop-问题

1.权限问题

19/04/15 11:00:55 INFO mapreduce.Job: Job job_1555064328415_0328 failed with state FAILED due to: Job setup failed : org.apache.hadoop.security.AccessControlException: Permission denied: user=yarn, access=WRITE, inode="/user/yarn":hdfs:supergroup:drwxr-xr-x
at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:400)
at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:256)
at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:194)
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1846)
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1830)
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkAncestorAccess(FSDirectory.java:1789)
at org.apache.hadoop.hdfs.server.namenode.FSDirMkdirOp.mkdirs(FSDirMkdirOp.java:60)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:3127)
at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:1116)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:696)
at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:523)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:991)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:869)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:815)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1685)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2675)

oozie调用sqoop时报错，解决：改所有者

sudo -u hdfs hadoop fs -chown -R yarn /user/yarn

2.少MySQL驱动包

19/04/15 15:39:46 INFO hive.metastore: Closed a connection to metastore, current connections: 1
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/opt/cloudera/parcels/CDH-6.0.0-1.cdh6.0.0.p0.537114/jars/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/opt/cloudera/parcels/CDH-6.0.0-1.cdh6.0.0.p0.537114/jars/log4j-slf4j-impl-2.8.2.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
19/04/15 15:39:48 INFO sqoop.Sqoop: Running Sqoop version: 1.4.7-cdh6.0.0
19/04/15 15:39:48 WARN tool.BaseSqoopTool: Setting your password on the command-line is insecure. Consider using -P instead.
19/04/15 15:39:48 INFO conf.HiveConf: Found configuration file file:/etc/hive/conf.cloudera.hive/hive-site.xml
19/04/15 15:39:49 INFO hive.metastore: Trying to connect to metastore with URI thrift://hadoop1:9083
19/04/15 15:39:49 INFO hive.metastore: Opened a connection to metastore, current connections: 1
19/04/15 15:39:49 INFO hive.metastore: Connected to metastore.
19/04/15 15:39:49 INFO hive.metastore: Trying to connect to metastore with URI thrift://hadoop1:9083
19/04/15 15:39:49 INFO hive.metastore: Opened a connection to metastore, current connections: 2
19/04/15 15:39:49 INFO hive.metastore: Connected to metastore.
19/04/15 15:39:49 WARN tool.BaseSqoopTool: Output field/record delimiter options are not useful in HCatalog jobs for most of the output types except text based formats is text. It is better to use --hive-import in those cases. For non text formats, 
19/04/15 15:39:49 INFO manager.MySQLManager: Preparing to use a MySQL streaming resultset.
19/04/15 15:39:49 INFO tool.CodeGenTool: Beginning code generation
19/04/15 15:39:49 ERROR sqoop.Sqoop: Got exception running Sqoop: java.lang.RuntimeException: Could not load db driver class: com.mysql.jdbc.Driver
java.lang.RuntimeException: Could not load db driver class: com.mysql.jdbc.Driver
at org.apache.sqoop.manager.SqlManager.makeConnection(SqlManager.java:875)
at org.apache.sqoop.manager.GenericJdbcManager.getConnection(GenericJdbcManager.java:59)
at org.apache.sqoop.manager.SqlManager.execute(SqlManager.java:763)
at org.apache.sqoop.manager.SqlManager.execute(SqlManager.java:786)
at org.apache.sqoop.manager.SqlManager.getColumnInfoForRawQuery(SqlManager.java:289)
at org.apache.sqoop.manager.SqlManager.getColumnTypesForRawQuery(SqlManager.java:260)
at org.apache.sqoop.manager.SqlManager.getColumnTypes(SqlManager.java:246)
at org.apache.sqoop.manager.ConnManager.getColumnTypes(ConnManager.java:327)
at org.apache.sqoop.orm.ClassWriter.getColumnTypes(ClassWriter.java:1872)
at org.apache.sqoop.orm.ClassWriter.generate(ClassWriter.java:1671)
at org.apache.sqoop.tool.CodeGenTool.generateORM(CodeGenTool.java:106)
at org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:507)
at org.apache.sqoop.tool.ImportTool.run(ImportTool.java:634)
at org.apache.sqoop.Sqoop.run(Sqoop.java:145)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:181)
at org.apache.sqoop.Sqoop.runTool(Sqoop.java:232)
at org.apache.sqoop.Sqoop.runTool(Sqoop.java:241)
at org.apache.sqoop.Sqoop.main(Sqoop.java:250)
19/04/15 15:39:49 INFO hive.metastore: Closed a connection to metastore, current connections: 1

sqoop时，应该是有的节点没有放mysql驱动连接jar，将mysql驱动包放入/usr/share/java/下（mysql-connector-java.jar）