JPA中id前面有空格导致的"Column 'id' not found"问题

问题背景

昨晚有个同事发生了一个神奇的问题，一如既往的问题，一如既然的用我写的BEJSON-JAVA代码生成器生成，却发现一直提示Column ‘id’ not found。这就很TM神奇了

2018-12-29 11:06:19.574  WARN 332172 --- [nio-7778-exec-1] o.h.engine.jdbc.spi.SqlExceptionHelper   : SQL Error: 0, SQLState: S0022
2018-12-29 11:06:19.574 ERROR 332172 --- [nio-7778-exec-1] o.h.engine.jdbc.spi.SqlExceptionHelper   : Column 'id' not found.
org.springframework.dao.InvalidDataAccessResourceUsageException: could not execute query; SQL [select * from gene_sample_inventory where  sample_num = ?]; nested exception is org.hibernate.exception.SQLGrammarException: could not execute query
    at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:242)
    at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:225)
    at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:527)
    at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:242)
    at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:153)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)
    at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:135)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)
    at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)
    at org.springframework.data.repository.core.support.SurroundingTransactionDetectorMethodInterceptor.invoke(SurroundingTransactionDetectorMethodInterceptor.java:6

解决方案

网上说mysql-connect-java版本太低，于是从5.1升到了8.0都没用。

代码看起来简直是完全没问题的。。。

再后来。。。看多了一眼，，，id前面有空格，，，所以这个主键其实是 空格id，我的天，这样mysql竟然可以通过。于是乎，问题解决了。

试验了一下，还真的是可以打空格。

原文地址：https://blog.csdn.net/moshowgame/article/details/85336333

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