先上代码: table = tablexx.select('*).tablexx.groupBy('x).select('x, xx.count ) tableEnvironment // declare the external system to connect to .connect( new Kafka() .version("0.10") .topic("test-input") .startFromEarliest() .property("z…
service mysqld start 报错 090517 13:34:15 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it. 090517 13:34:15 [ERROR] Fatal error: Can't open and lock privilege tables: Table 'mysql.host' doesn't exist 090517 13:34:15 mysq…
运行项目报错 Error querying database. Cause: java.sql.SQLException: No suitable driver found for http://www.example.com org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: java.sql.SQLException: No suitable driver found f…
报错现象: Exception in thread "main" java.lang.NoClassDefFoundError: Lorg/apache/hadoop/fs/FileSystem; at java.lang.Class.getDeclaredFields0(Native Method) at java.lang.Class.privateGetDeclaredFields(Class.java:2583) at java.lang.Class.getDeclaredFi…
1.使用git 升级 服务命令 mvn deploy -e 之后报错: Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin::test (: Failed to retrieve POM : Could not transfer artifact org.apache.maven.surefire:surefire-junit4:pom: from/to central (https://repo.mave…