sqoop报错。

使用的sqoop是1.4.4.mysql是5.6.hadoop是2.2.0

[hadoop2@slave02 sqoop-1.4.4]$ ./bin/sqoop import  --connect jdbc:mysql://localhost/hadoopguide --table widgets -m 1
Warning: /usr/lib/hbase does not exist! HBase imports will fail.
Please set $HBASE_HOME to the root of your HBase installation.
Warning: /usr/lib/hcatalog does not exist! HCatalog jobs will fail.
Please set $HCAT_HOME to the root of your HCatalog installation.
14/08/16 11:20:58 INFO manager.MySQLManager: Preparing to use a MySQL streaming resultset.
14/08/16 11:20:58 INFO tool.CodeGenTool: Beginning code generation
14/08/16 11:20:59 INFO manager.SqlManager: Executing SQL statement: SELECT t.* FROM `widgets` AS t LIMIT 1
14/08/16 11:21:00 INFO manager.SqlManager: Executing SQL statement: SELECT t.* FROM `widgets` AS t LIMIT 1
14/08/16 11:21:00 INFO orm.CompilationManager: HADOOP_MAPRED_HOME is /app/hadoop-2.2.0
注: /tmp/sqoop-hadoop2/compile/15c1e8a2e137671f64b3b018a4b15091/widgets.java使用或覆盖了已过时的 API。
注: 有关详细信息, 请使用 -Xlint:deprecation 重新编译。
14/08/16 11:21:04 INFO orm.CompilationManager: Writing jar file: /tmp/sqoop-hadoop2/compile/15c1e8a2e137671f64b3b018a4b15091/widgets.jar
14/08/16 11:21:04 WARN manager.MySQLManager: It looks like you are importing from mysql.
14/08/16 11:21:04 WARN manager.MySQLManager: This transfer can be faster! Use the --direct
14/08/16 11:21:04 WARN manager.MySQLManager: option to exercise a MySQL-specific fast path.
14/08/16 11:21:04 INFO manager.MySQLManager: Setting zero DATETIME behavior to convertToNull (mysql)
14/08/16 11:21:04 INFO mapreduce.ImportJobBase: Beginning import of widgets
Java HotSpot(TM) 64-Bit Server VM warning: You have loaded library /app/hadoop-2.2.0/lib/native/libhadoop.so.1.0.0 which might have disabled stack guard. The VM will try to fix the stack guard now.
It's highly recommended that you fix the library with 'execstack -c <libfile>', or link it with '-z noexecstack'.
14/08/16 11:21:06 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
14/08/16 11:21:06 INFO Configuration.deprecation: mapred.jar is deprecated. Instead, use mapreduce.job.jar
14/08/16 11:21:09 INFO Configuration.deprecation: mapred.map.tasks is deprecated. Instead, use mapreduce.job.maps
14/08/16 11:21:10 INFO client.RMProxy: Connecting to ResourceManager at /0.0.0.0:8032
14/08/16 11:21:10 ERROR security.UserGroupInformation: PriviledgedActionException as:hadoop2 (auth:SIMPLE) cause:java.net.ConnectException: Call From slave02/192.168.1.201 to slave02:9001 failed on connection exception: java.net.ConnectException: 拒绝连接; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
14/08/16 11:21:10 ERROR tool.ImportTool: Encountered IOException running import job: java.net.ConnectException: Call From slave02/192.168.1.201 to slave02:9001 failed on connection exception: java.net.ConnectException: 拒绝连接; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
    at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:783)
    at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:730)
    at org.apache.hadoop.ipc.Client.call(Client.java:1351)
    at org.apache.hadoop.ipc.Client.call(Client.java:1300)
    at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206)
    at com.sun.proxy.$Proxy9.getFileInfo(Unknown Source)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
    at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
    at com.sun.proxy.$Proxy9.getFileInfo(Unknown Source)
    at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:651)
    at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1679)
    at org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1106)
    at org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1102)
    at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
    at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1102)
    at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1397)
    at org.apache.hadoop.mapreduce.lib.output.FileOutputFormat.checkOutputSpecs(FileOutputFormat.java:145)
    at org.apache.hadoop.mapreduce.JobSubmitter.checkSpecs(JobSubmitter.java:456)
    at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:342)
    at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1268)
    at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1265)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1491)
    at org.apache.hadoop.mapreduce.Job.submit(Job.java:1265)
    at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1286)
    at org.apache.sqoop.mapreduce.ImportJobBase.doSubmitJob(ImportJobBase.java:186)
    at org.apache.sqoop.mapreduce.ImportJobBase.runJob(ImportJobBase.java:159)
    at org.apache.sqoop.mapreduce.ImportJobBase.runImport(ImportJobBase.java:239)
    at org.apache.sqoop.manager.SqlManager.importTable(SqlManager.java:600)
    at org.apache.sqoop.manager.MySQLManager.importTable(MySQLManager.java:118)
    at org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:413)
    at org.apache.sqoop.tool.ImportTool.run(ImportTool.java:502)
    at org.apache.sqoop.Sqoop.run(Sqoop.java:145)
    at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
    at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:181)
    at org.apache.sqoop.Sqoop.runTool(Sqoop.java:220)
    at org.apache.sqoop.Sqoop.runTool(Sqoop.java:229)
    at org.apache.sqoop.Sqoop.main(Sqoop.java:238)
Caused by: java.net.ConnectException: 拒绝连接
    at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
    at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:735)
    at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
    at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:529)
    at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:493)
    at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:547)
    at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:642)
    at org.apache.hadoop.ipc.Client$Connection.access$2600(Client.java:314)
    at org.apache.hadoop.ipc.Client.getConnection(Client.java:1399)
    at org.apache.hadoop.ipc.Client.call(Client.java:1318)
    ... 40 more

后来发现export HADOOP_HOME就没这个问题了，汗！