米斯特橙º N9不是塞班
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关机前电池满电，半天以后重启电池就变成0了，18款美X1，有 关机前电池满电，半天以后重启电池就变成0了，18款美X1，有朋友遇到过这个情况吗
sqoop数据导入出错 Shell命令bin/sqoop export --connect jdbc:mysql://localhost:3306/dbtaobao --username root --password root --table user_log --export-dir '/user/hive/warehouse/dbtaobao.db/inner_user_log' --fields-terminated-by ','; 出现如下报错 Warning: /usr/local/sqoop/../hcatalog does not exist! HCatalog jobs will fail. Please set $HCAT_HOME to the root of your HCatalog installation. Warning: /usr/local/sqoop/../accumulo does not exist! Accumulo imports will fail. Please set $ACCUMULO_HOME to the root of your Accumulo installation. Warning: /usr/local/sqoop/../zookeeper does not exist! Accumulo imports will fail. Please set $ZOOKEEPER_HOME to the root of your Zookeeper installation. 18/01/15 15:45:51 INFO sqoop.Sqoop: Running Sqoop version: 1.4.6 18/01/15 15:45:51 WARN tool.BaseSqoopTool: Setting your password on the command-line is insecure. Consider using -P instead. 18/01/15 15:45:52 INFO manager.MySQLManager: Preparing to use a MySQL streaming resultset. 18/01/15 15:45:52 INFO tool.CodeGenTool: Beginning code generation Mon Jan 15 15:45:52 CST 2018 WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn't set. For compliance with existing applications not using SSL the verifyServerCertificate property is set to 'false'. You need either to explicitly disable SSL by setting useSSL=false, or set useSSL=true and provide truststore for server certificate verification. 18/01/15 15:45:52 ERROR manager.SqlManager: Error executing statement: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:964) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3970) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3906) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:873) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1710) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1226) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2253) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2284) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2083) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:806) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:410) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:328) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:247) at org.apache.sqoop.manager.SqlManager.makeConnection(SqlManager.java:885) at org.apache.sqoop.manager.GenericJdbcManager.getConnection(GenericJdbcManager.java:52) at org.apache.sqoop.manager.SqlManager.execute(SqlManager.java:744) at org.apache.sqoop.manager.SqlManager.execute(SqlManager.java:767) at org.apache.sqoop.manager.SqlManager.getColumnInfoForRawQuery(SqlManager.java:270) at org.apache.sqoop.manager.SqlManager.getColumnTypesForRawQuery(SqlManager.java:241) at org.apache.sqoop.manager.SqlManager.getColumnTypes(SqlManager.java:227) at org.apache.sqoop.manager.ConnManager.getColumnTypes(ConnManager.java:295) at org.apache.sqoop.orm.ClassWriter.getColumnTypes(ClassWriter.java:1833) at org.apache.sqoop.orm.ClassWriter.generate(ClassWriter.java:1645) at org.apache.sqoop.tool.CodeGenTool.generateORM(CodeGenTool.java:107) at org.apache.sqoop.tool.ExportTool.exportTable(ExportTool.java:64) at org.apache.sqoop.tool.ExportTool.run(ExportTool.java:100) at org.apache.sqoop.Sqoop.run(Sqoop.java:143) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:179) at org.apache.sqoop.Sqoop.runTool(Sqoop.java:218) at org.apache.sqoop.Sqoop.runTool(Sqoop.java:227) at org.apache.sqoop.Sqoop.main(Sqoop.java:236) 18/01/15 15:45:52 ERROR tool.ExportTool: Encountered IOException running export job: java.io.IOException: No columns to generate for ClassWriter 大神求解
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