关于MyBatis常见映射异常 org.apache.ibatis.exceptions.PersistenceException:### Error querying database. Cause: org.apache.ibatis.builder.BuilderException: Parsing error was found in mapping #{}. Check syntax #{property|(expression), var1=value1, var2=value2, ...}### Cause: org.apache.ibatis....
throw new BuilderException("Parsing error was found in mapping #{" + content + "}. Check syntax #{property|(expression), var1=value1, var2=value2, ...} ", ex); } } } }从上面的代码可以看出,SQL配置中的所有#{}参数占位符内容都被替换成了"?" 字符,为什么要替换成一一个"?" 字符呢?
private void jdbcTypeOpt(String expression, int p) { p = skipWS(expression, p); if (p < expression.length()) { if (expression.charAt(p) == ':') { // 属于上面第 2 种方式,不做分析 jdbcType(expression, p + 1); } else if (expression.charAt(p) == ',') { // 将第一个 , ...
同时创建了 Configuration 对象 >>XMLConfigBuilder parser=newXMLConfigBuilder(inputStream,environment,properties);// 解析XML,最终返回一个 DefaultSqlSessionFactory >>returnbuild(parser.parse());}catch(Exception e){throwExceptionFactory.wrapException("Error building SqlSession...
Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is 'club/zhuyue/dao/BrandMapper.xml'. Cause: org.apache.ibatis.builder.BuilderException: Parsing error was found in mapping #{}. Check syntax #{property|(expression...
evalNodes("select|insert|update|delete")); } catch (Exception e) { throw new BuilderException("Error parsing Mapper XML. The XML location is '" + resource + "'. Cause: " + e, e);测} } 到此为止,mybatis 对于配置文件的解析,封装 sql 的工作基本做好了,接下来的工作是如何调用。 当我们...
这里需要注意的是使用selectOne时需要保证数据库中顶多查询出一条数据,否则就会报错nested exception is org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2 ③ selectBatchIds ...
Here's the stack trace: org.apache.ibatis.builder.BuilderException: Could not find value method on SQL annotation. Cause: org.apache.ibatis.builder.BuilderException: Parsing error was found in mapping #{problem.problemId, #{user.uid}. Ch...
evalNode("mappers")); } catch (Exception e) { throw new BuilderException("Error parsing SQL Mapper Configuration. Cause: " + e, e); } } 解析获得了configuration对象之后,外层的build方法将其传入,并创建DefaultSqlSessionFactory对象。 public SqlSessionFactory build(Configuration config) { return new ...
;}catch(Exceptione){thrownewBuilderException("Error parsing SQL Mapper Configuration. Cause: "+e,e);}} 2.2.4.1 全局配置文件解析 properties解析 privatevoidpropertiesElement(XNodecontext)throwsException{if(context!=null){// 创建了一个 Properties 对象,后面可以用到Propertiesdefaults=context.getChildrenAs...