一个常见的myBatis xml文件中的引号错误:

org.apache.ibatis.exceptions.PersistenceException:
### Error querying database.  Cause: java.lang.NumberFormatException: For input string: "W%"
### Cause: java.lang.NumberFormatException: For input string: "W%"
    at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
    at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:150)
    at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:141)
    at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:139)
    at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:76)
    at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:59)
    at com.sun.proxy.$Proxy6.copyUserByDynamicSql(Unknown Source)
    at com.test.TestUser.testCopyUserByDynamicSql(TestUser.java:116)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
    at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by: java.lang.NumberFormatException: For input string: "W%"
    at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:2043)
    at sun.misc.FloatingDecimal.parseDouble(FloatingDecimal.java:110)
    at java.lang.Double.parseDouble(Double.java:538)
    at org.apache.ibatis.ognl.OgnlOps.doubleValue(OgnlOps.java:243)
    at org.apache.ibatis.ognl.OgnlOps.compareWithConversion(OgnlOps.java:100)
    at org.apache.ibatis.ognl.OgnlOps.isEqual(OgnlOps.java:143)
    at org.apache.ibatis.ognl.OgnlOps.equal(OgnlOps.java:802)
    at org.apache.ibatis.ognl.ASTNotEq.getValueBody(ASTNotEq.java:53)
    at org.apache.ibatis.ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:212)
    at org.apache.ibatis.ognl.SimpleNode.getValue(SimpleNode.java:258)
    at org.apache.ibatis.ognl.ASTAnd.getValueBody(ASTAnd.java:61)
    at org.apache.ibatis.ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:212)
    at org.apache.ibatis.ognl.SimpleNode.getValue(SimpleNode.java:258)
    at org.apache.ibatis.ognl.Ognl.getValue(Ognl.java:470)
    at org.apache.ibatis.ognl.Ognl.getValue(Ognl.java:434)
    at org.apache.ibatis.scripting.xmltags.OgnlCache.getValue(OgnlCache.java:44)
    at org.apache.ibatis.scripting.xmltags.ExpressionEvaluator.evaluateBoolean(ExpressionEvaluator.java:32)
    at org.apache.ibatis.scripting.xmltags.IfSqlNode.apply(IfSqlNode.java:34)
    at org.apache.ibatis.scripting.xmltags.MixedSqlNode.apply(MixedSqlNode.java:33)
    at org.apache.ibatis.scripting.xmltags.TrimSqlNode.apply(TrimSqlNode.java:55)
    at org.apache.ibatis.scripting.xmltags.MixedSqlNode.apply(MixedSqlNode.java:33)
    at org.apache.ibatis.scripting.xmltags.DynamicSqlSource.getBoundSql(DynamicSqlSource.java:41)
    at org.apache.ibatis.mapping.MappedStatement.getBoundSql(MappedStatement.java:292)
    at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:81)
    at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:148)
    ... 30 more
                                                        

    简单的来看传入参数的字符串有问题,但是检查多边后字符串还是没问题,其实问题是习惯造成的,一般大家都有习惯在有引号嵌套的时候在外面使用"" ,在里面使用'' ,这就是问题所在,下面是错误的代码:

  

<if test= "username != null and username !=  ' ' ">

将其改为

<if test= 'username != null and username !=  " " ' > 

再次测试则没有问题了。

org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: java.lang.NumberFormatException: For input string: "W%" ### Cause: java.lang.NumberFormatException: For input s的更多相关文章

  1. org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manu

    这个是sql 语句 错误     仔细检查 SQL语句是否写错了 org.apache.ibatis.exceptions.PersistenceException: ### Error queryi ...

  2. org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent succ

    数据库 没有开启  连接失败 org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause ...

  3. mybatis <fireach> 拼接sql语句 org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: org.apache.ibatis.builder.BuilderException: Error evaluating expression 'in'. Cause:

    <select id="getUserIn" parameterType="QueryVo" resultMap="userMap"& ...

  4. org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: java.sql.SQLException: The server time zone value 'Öйú±ê׼ʱ¼ä' is unrecognized or represents mor

    今天在用junit测试mybits程序是遇到一个问题,报错为: org.apache.ibatis.exceptions.PersistenceException: ### Error queryin ...

  5. 使用Mybatis连接数据库时报错:org.apache.ibatis.exceptions.PersistenceException: ### Error updating database.

    我的原因是字段名写错了,去数据库中复制字段名再运行就成功了.

  6. MyException--org.apache.ibatis.exceptions.PersistenceException: ### Error building SqlSession. ###

    org.apache.ibatis.exceptions.PersistenceException:  ### Error building SqlSession. ### The error may ...

  7. Mybatis-java.lang.RuntimeException: org.apache.ibatis.exceptions.PersistenceException: ### Error building SqlSession. ### The error may exist in sqlmap/User.xml ### Cause: org.apache.ibatis.builder.B

    mappers(映射器) 使用相对于类路径的资源 如:<mapper resource="sqlmap/User.xml" /> 使用完全限定路径 如:<mapp ...

  8. MyBatis-Exception:org.apache.ibatis.exceptions.PersistenceException

    错误信息如下: HTTP Status 500 - org.mybatis.spring.MyBatisSystemException: nested exception is org.apache. ...

  9. mybatis bug之org.apache.ibatis.exceptions.PersistenceException:

    详细报错信息: org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: java. ...

随机推荐

  1. Linux openssh8.0p1升级步骤

    前期准备开启本机telnet服务,以防openssh升级失败无法连接服务器.注:redhat 5 6 和 redhat7 开机启动配置相关文件不同,请注意 1.安装zlibtar -xzvf zlib ...

  2. Springboot配置文件占位符

    一.配置文件占位符 1.application.properties server.port=8088 debug=false product.id=ID:${random.uuid} product ...

  3. SpringBoot使用Easypoi导出excel示例

    SpringBoot使用Easypoi导出excel示例 https://blog.csdn.net/justry_deng/article/details/84842111

  4. C#(.net)实现用apache activemq传递SQLite的数据

    版权声明:本文为搜集借鉴各类文章的原创文章,转载请注明出处:http://www.cnblogs.com/2186009311CFF/p/6382623.html. C#(.net)实现用apache ...

  5. SQL SERVER 数据库如何限制一列不能重复(已经有主键)

    ALTER TABLE 表名ADDCONSTRAINT 约束名 UNIQUE (列名) -------------------------------------------------------- ...

  6. HDU - 5306 Gorgeous Sequence 线段树 + 均摊分析

    Code: #include<algorithm> #include<cstdio> #include<cstring> #define ll long long ...

  7. HDU-6703 array

    Description You are given an array a1,a2,...,an(∀i∈[1,n],1≤ai≤n). Initially, each element of the arr ...

  8. Spring Cloud教程(十二)加密和解密

    Spring Cloud具有一个用于在本地解密属性值的Environment预处理器.它遵循与Config Server相同的规则,并通过encrypt.*具有相同的外部配置.因此,您可以使用{cip ...

  9. 使用ajax异步下载文件,后端为struts2

    前端采用伪表单: 然后调用 后台代码为 效果图:

  10. 消息队列之 ActiveMQ

    简介 ActiveMQ 特点 ActiveMQ 是由 Apache 出品的一款开源消息中间件,旨在为应用程序提供高效.可扩展.稳定.安全的企业级消息通信. 它的设计目标是提供标准的.面向消息的.多语言 ...