sqoop从mysql数据库导入hdfs，当数据多的话，报错?报错
The last packet successfully received from the server was 203,695 milliseconds ago. The last packet sent successfully to the server was 203,807 milliseconds ago.
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 com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074)
at com.mysql.jdbc.MysqlIO.nextRowFast(MysqlIO.java:1651)
at com.mysql.jdbc.MysqlIO.nextRow(MysqlIO.java:1407)
at com.mysql.jdbc.MysqlIO.readSingleRowSet(MysqlIO.java:2861)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:474)
at com.mysql.jdbc.MysqlIO.readResultsForQueryOrUpdate(MysqlIO.java:2554)
at com.mysql.jdbc.MysqlIO.readAllResults(MysqlIO.java:1755)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2165)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2648)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2086)
at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2237)
at org.apache.sqoop.mapreduce.db.DBRecordReader.executeQuery(DBRecordReader.java:111)
at org.apache.sqoop.mapreduce.db.DBRecordReader.nextKeyValue(DBRecordReader.java:235)
... 12 more
写回答
-
https://developer.aliyun.com/profile/5yerqm5bn5yqg?spm=a2c6h.12873639.0.0.6eae304abcjaIBbbosshadoophdfs大数据抽取工具
2020-06-10 10:24:15赞同 展开评论 打赏
版权声明：本文内容由阿里云实名注册用户自发贡献，版权归原作者所有，阿里云开发者社区不拥有其著作权，亦不承担相应法律责任。具体规则请查看《阿里云开发者社区用户服务协议》和《阿里云开发者社区知识产权保护指引》。如果您发现本社区中有涉嫌抄袭的内容，填写侵权投诉表单进行举报，一经查实，本社区将立刻删除涉嫌侵权内容。
