文章浏览阅读642次。I am trying to write to a MySQL table using the spark jdbc() function inside of a partition task that is called from executing foreachPartitions(test). I am however receiving a picking error.I am not ..._raise pickle.picklingerror(msg) _pickle.picklingerror: could not seri......
文章浏览阅读5.5k次。CREATE trigger updatetbl_slopeAFTER update-- 表示触发器是在激活它的语句之后触发on tbl_slopefor each row – mysql固定语法BEGINif EXISTS(SELECT * FROM checkupdates A WHERE A.ID=new.UNIFIEDCODE LIMIT 1)THENupdate checkupdates set LastTime=NOW() wher......
文章浏览阅读496次。rdd.saveAsTextFile("hdfs://pro-app-175:9000/user/hadoop/spark/data")Protocol message end-group tag did not match expected tag显然是我端口弄错了，所以，改成8020即可。rdd.saveAsTextFile("hdfs://pro-app-175:8020/user/hadoop/spark/data")......
文章浏览阅读5.2k次。@羲凡——只为了更好的活着Flink 读取kafka数据写入Pulsar(含报错The implementation of the RichSinkFunction is not serializable)开始之前务必检查自己kafka、pulsar和flink的版本，在pom中添加正确依赖本人kafka(0.11)、pulsar(2.4.1)和......
如何给读取写入权限的android 2.3模拟器的SD卡？(How to give read write permissions to sdcard for android 2.3 emulator?)嗨，我需要保持图像在我的SD卡。 为此，我试图将我的图像插入SD卡，但它在ddms中显示sdcard d --------。 我如何给emulator 2.3.3版本......
