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在示例中,扣减仓库(当仓库不存在数据时)数量时报错: 2019-06-13 16:13:25.576 INFO 13872 --- [atch_RMROLE_4_8] io.seata.core.rpc.netty ...
Hello! I use spark 3.2.1 + spark-mssql-connector version 1.3.0-BETA. i have MsSqlSparkConnector class and has code: val mapOptions = Map( "user" -> config.username, "password" -> config.password, ...
Null pointer exception is an “exception” (error) that is particularly common when programming in Java. For a beginner, this is a confusing and daunting message to receive, but it can be just ...
Both checked and unchecked exceptions can occur in Java. Java programs can generally recover from checked exceptions, with exception handlers written into each program to define what it should do ...
In this blog post, I demonstrate an advantage of being more explicit in typing when using Groovy SQL with an Oracle database to avoid a potential “Invalid column index” SQLException because I ...
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