{"id":479,"date":"2018-09-30T11:01:47","date_gmt":"2018-09-30T03:01:47","guid":{"rendered":"http:\/\/localhost\/?p=479"},"modified":"2018-09-30T11:57:42","modified_gmt":"2018-09-30T03:57:42","slug":"sqoop%e5%af%bc%e5%87%ba%ef%bc%8chive%e4%b8%ad%e7%a9%ba%e5%80%bc%e5%af%bc%e8%87%b4%e7%9a%84%e5%bc%82%e5%b8%b8","status":"publish","type":"post","link":"http:\/\/www.ahomer.cn\/?p=479","title":{"rendered":"sqoop\u5bfc\u51fa\uff0chive\u4e2d\u7a7a\u503c\u5bfc\u81f4\u7684\u5f02\u5e38"},"content":{"rendered":"<p><strong>\u5148\u770b\u95ee\u9898\uff1a<\/strong><\/p>\n<p>18\/09\/30 10:52:44 INFO mapreduce.ExportJobBase: Exported 0 records.<br \/>\n18\/09\/30 10:52:44 ERROR mapreduce.ExportJobBase: Export job failed!<br \/>\n18\/09\/30 10:52:44 DEBUG util.ClassLoaderStack: Restoring classloader: sun.misc.Launcher$AppClassLoader@6e1567f1<br \/>\n18\/09\/30 10:52:44 ERROR tool.ExportTool: Error during export:<br \/>\nExport job failed!<br \/>\n    at org.apache.sqoop.mapreduce.ExportJobBase.runExport(ExportJobBase.java:445)<br \/>\n    at org.apache.sqoop.manager.SqlManager.exportTable(SqlManager.java:931)<br \/>\n    at org.apache.sqoop.tool.ExportTool.exportTable(ExportTool.java:80)<br \/>\n    at org.apache.sqoop.tool.ExportTool.run(ExportTool.java:99)<br \/>\n    at org.apache.sqoop.Sqoop.run(Sqoop.java:147)<br \/>\n    at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)<br \/>\n    at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:183)<br \/>\n    at org.apache.sqoop.Sqoop.runTool(Sqoop.java:234)<br \/>\n    at org.apache.sqoop.Sqoop.runTool(Sqoop.java:243)<br \/>\n    at org.apache.sqoop.Sqoop.main(Sqoop.java:252)<\/p>\n<pre><code>sqoop\u5bfc\u51fa\u4efb\u52a1\u4e0d\u95f4\u65ad\u51fa\u95ee\u9898 \uff0c\u540e\u6765\u53d1\u73b0hive\u4e2d\u7684null\u503c\u5728\u6587\u4ef6\u6309\\N\u5b58\u50a8\uff0c\u6240\u4ee5\u5bfc\u81f4\u5bfc\u51fa\u5b57\u7b26\u5f02\u5e38\uff0c\u53c2\u8003\uff1a\nhttps:\/\/stackoverflow.com\/questions\/30736049\/sqoop-export-is-failing-when-i-have-n-as-data\n\n\u589e\u52a0\u9009\u9879\uff1a\n--input-null-string \"\\\\\\\\N\" --input-null-non-string \"\\\\\\\\N\"\n\n\n-------\n\u611f\u89c9\u5728\u4e0d\u65ad\u63a2\u5751\u3002\u3002\u3002\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5148\u770b\u95ee\u9898\uff1a 18\/09\/30 10:52:44 INFO mapreduce.ExportJobBase: E [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-479","post","type-post","status-publish","format-standard","hentry","category-program"],"_links":{"self":[{"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=\/wp\/v2\/posts\/479","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=479"}],"version-history":[{"count":1,"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=\/wp\/v2\/posts\/479\/revisions"}],"predecessor-version":[{"id":480,"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=\/wp\/v2\/posts\/479\/revisions\/480"}],"wp:attachment":[{"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=479"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=479"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}