select.FROM jdqTableSources AS a JOIN tmmmp FOR SYSTEM_TIME AS OF a.proctime AS b Caused by:org.apache.flink.client.program.ProgramInvocationException:The main method caused an error:Temporal Table Join requires primary ...
报错信息如下:“o'rg.datanucleus.store.rdsms.connectionpool.DatastoreDriverNotFoundException:The specified datastore driver("com.mysql.jdbc.Driver")was not found in CLASSPATH”
public static void main...} 比如这段代码,运行有报错.Exception in thread"main"com.jfinal.plugin.activerecord.ActiveRecordException: java.lang.NullPointerException at com.jfinal.plugin.activerecord.Db.save(Db.java:655)at ...