Hello stupid的博客

java.lang.NoClassDefFoundError: backtype/storm/topology/IRichSpout at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) at java.lang.C...

spark core 和 spark sql ,spark streaming 版本不一致的问题

org.apache.thrift.transport.TTransportException: Could not create ServerSocket on address 0.0.0.0/0.0.0.0:9083. at org.apache.thrift.transport.TServerSocket.<init>(TServerSocket.java:109) at o...

select user_id, (t1.s-t2.low_carbon)/t3.low_carbon from( select user_id,sum(low_carbon)s from atguigu.user_low_carbon where date_format(regexp_replace(data_dt,"/","-"),"yyyy-MM") < "2017-10" group ...