报错原因，及解决办法：

实体类id属性上少加了@Id 然后mybatis不知道哪个是主键了

我写了个demo

public interface UserMapper extends Mapper<User>

注意是继承了Mapper，它里面已经有一个selectByPrimaryKey方法

然后我这么调用

User u = userMapper.selectByPrimaryKey(1);

给我报错  哭了

报错信息如下

DEBUG - Fetching JDBC Connection from DataSource

DEBUG - JDBC Connection [jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8, UserName=root@localhost , MySQL Connector Java] will not be managed by Spring

DEBUG - ==>  Preparing: SELECT id,name,age FROM User WHERE (id = ? AND name = ? AND age = ? ) 

DEBUG - Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@3b71d667]

DEBUG - Returning JDBC Connection to DataSource

DEBUG - Resolving exception from handler [public java.lang.String com.zqws.app.trade.controller.TestController.test(org.springframework.ui.Model,com.github.pagehelper.PageInfo)]: org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException: 

### Error querying database.  Cause: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String

### The error may exist in com/zqws/app/trade/mapper/UserMapper.java (best guess)

### The error may involve com.zqws.app.trade.mapper.UserMapper.selectByPrimaryKey-Inline

### The error occurred while setting parameters

### SQL: SELECT id,name,age FROM User WHERE (id = ? AND name = ? AND age = ? )

### Cause: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String

DEBUG - Resolving exception from handler [public java.lang.String com.zqws.app.trade.controller.TestController.test(org.springframework.ui.Model,com.github.pagehelper.PageInfo)]: org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException: 

### Error querying database.  Cause: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String

### The error may exist in com/zqws/app/trade/mapper/UserMapper.java (best guess)

### The error may involve com.zqws.app.trade.mapper.UserMapper.selectByPrimaryKey-Inline

### The error occurred while setting parameters

### SQL: SELECT id,name,age FROM User WHERE (id = ? AND name = ? AND age = ? )

### Cause: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String

DEBUG - Resolving exception from handler [public java.lang.String com.zqws.app.trade.controller.TestController.test(org.springframework.ui.Model,com.github.pagehelper.PageInfo)]: org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException: 

### Error querying database.  Cause: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String

### The error may exist in com/zqws/app/trade/mapper/UserMapper.java (best guess)

### The error may involve com.zqws.app.trade.mapper.UserMapper.selectByPrimaryKey-Inline

### The error occurred while setting parameters

### SQL: SELECT id,name,age FROM User WHERE (id = ? AND name = ? AND age = ? )

### Cause: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String

DEBUG - Could not complete request

org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException: 

### Error querying database.  Cause: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String

### The error may exist in com/zqws/app/trade/mapper/UserMapper.java (best guess)

### The error may involve com.zqws.app.trade.mapper.UserMapper.selectByPrimaryKey-Inline

### The error occurred while setting parameters

### SQL: SELECT id,name,age FROM User WHERE (id = ? AND name = ? AND age = ? )

### Cause: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String

at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:75)

at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:371)

at com.sun.proxy.$Proxy86.selectOne(Unknown Source)

at org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:163)

at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:68)

at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)

at com.sun.proxy.$Proxy92.selectByPrimaryKey(Unknown Source)

at com.zqws.app.trade.controller.TestController.test(TestController.java:25)

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:483)

at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)

at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)

at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:777)

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:706)

at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)

at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943)

at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)

at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)

at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:857)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:620)

at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:87)

at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)

at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)

at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)

at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)

at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)

at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)

at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1736)

at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1695)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)

at java.lang.Thread.run(Thread.java:745)

Caused by: org.apache.ibatis.exceptions.PersistenceException: 

### Error querying database.  Cause: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String

### The error may exist in com/zqws/app/trade/mapper/UserMapper.java (best guess)

### The error may involve com.zqws.app.trade.mapper.UserMapper.selectByPrimaryKey-Inline

### The error occurred while setting parameters

### SQL: SELECT id,name,age FROM User WHERE (id = ? AND name = ? AND age = ? )

### Cause: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String

at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:26)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:111)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:102)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:66)

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:483)

at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:358)

... 52 more

Caused by: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String

at org.apache.ibatis.type.StringTypeHandler.setNonNullParameter(StringTypeHandler.java:26)

at org.apache.ibatis.type.BaseTypeHandler.setParameter(BaseTypeHandler.java:50)

at org.apache.ibatis.scripting.defaults.DefaultParameterHandler.setParameters(DefaultParameterHandler.java:81)

at org.apache.ibatis.executor.statement.PreparedStatementHandler.parameterize(PreparedStatementHandler.java:80)

at org.apache.ibatis.executor.statement.RoutingStatementHandler.parameterize(RoutingStatementHandler.java:61)

at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:74)

at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:59)

at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:267)

at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:137)

at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:96)

at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:77)

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:483)

at org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49)

at com.github.pagehelper.SqlUtil._processPage(SqlUtil.java:351)

at com.github.pagehelper.SqlUtil.processPage(SqlUtil.java:329)

at com.github.pagehelper.PageHelper.intercept(PageHelper.java:150)

at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:60)

at com.sun.proxy.$Proxy93.query(Unknown Source)

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:483)

at org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49)

at tk.mybatis.mapper.mapperhelper.MapperOnceInterceptor.intercept(MapperOnceInterceptor.java:81)

at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:60)

at com.sun.proxy.$Proxy93.query(Unknown Source)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:108)

... 59 more

DEBUG - Returning cached instance of singleton bean 'sqlSessionFactory'

八月 01, 2015 5:02:43 下午 org.apache.catalina.core.StandardWrapperValve invoke

严重: Servlet.service() for servlet [springmvc] in context with path [] threw exception [Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException: 

### Error querying database.  Cause: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String

### The error may exist in com/zqws/app/trade/mapper/UserMapper.java (best guess)

### The error may involve com.zqws.app.trade.mapper.UserMapper.selectByPrimaryKey-Inline

### The error occurred while setting parameters

### SQL: SELECT id,name,age FROM User WHERE (id = ? AND name = ? AND age = ? )

### Cause: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String] with root cause

java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String

at org.apache.ibatis.type.StringTypeHandler.setNonNullParameter(StringTypeHandler.java:26)

at org.apache.ibatis.type.BaseTypeHandler.setParameter(BaseTypeHandler.java:50)

at org.apache.ibatis.scripting.defaults.DefaultParameterHandler.setParameters(DefaultParameterHandler.java:81)

at org.apache.ibatis.executor.statement.PreparedStatementHandler.parameterize(PreparedStatementHandler.java:80)

at org.apache.ibatis.executor.statement.RoutingStatementHandler.parameterize(RoutingStatementHandler.java:61)

at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:74)

at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:59)

at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:267)

at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:137)

at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:96)

at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:77)

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:483)

at org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49)

at com.github.pagehelper.SqlUtil._processPage(SqlUtil.java:351)

at com.github.pagehelper.SqlUtil.processPage(SqlUtil.java:329)

at com.github.pagehelper.PageHelper.intercept(PageHelper.java:150)

at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:60)

at com.sun.proxy.$Proxy93.query(Unknown Source)

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:483)

at org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49)

at tk.mybatis.mapper.mapperhelper.MapperOnceInterceptor.intercept(MapperOnceInterceptor.java:81)

at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:60)

at com.sun.proxy.$Proxy93.query(Unknown Source)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:108)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:102)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:66)

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:483)

at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:358)

at com.sun.proxy.$Proxy86.selectOne(Unknown Source)

at org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:163)

at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:68)

at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)

at com.sun.proxy.$Proxy92.selectByPrimaryKey(Unknown Source)

at com.zqws.app.trade.controller.TestController.test(TestController.java:25)

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:483)

at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)

at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)

at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:777)

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:706)

at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)

at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943)

at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)

at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)

at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:857)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:620)

at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:87)

at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)

at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)

at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)

at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)

at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)

at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)

at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1736)

at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.r

un(NioEndpoint.java:1695)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)

at java.lang.Thread.run(Thread.java:745)

http://www.oschina.net/question/1258171_245202

UserMapper.selectByPrimaryKey-Inline 报错的解决办法的更多相关文章

  1. Springboot数据库连接池报错的解决办法

    Springboot数据库连接池报错的解决办法 这个异常通常在Linux服务器上会发生,原因是Linux系统会主动断开一个长时间没有通信的连接 那么我们的问题就是:数据库连接池长时间处于间歇状态,导致 ...

  2. Loadrunner参数化连接oracle、mysql数据源报错及解决办法

    Loadrunner参数化连接oracle.mysql数据源报错及解决办法 (本人系统是Win7 64,  两位小伙伴因为是默认安装lr,安装在 最终参数化的时候,出现连接字符串无法自动加载出来: 最 ...

  3. PHP empty函数报错的解决办法

    PHP empty函数在检测一个非变量情况下报错的解决办法. PHP开发时,当你使用empty检查一个函数返回的结果时会报错:Fatal error: Can't use function retur ...

  4. eclipse中的js文件报错的解决办法

    在使用别人的项目的时候,导入到eclipse中发现js文件报错,解决办法是关闭eclipse的js校验功能. 三个步骤: 1. 右键点击项目->properties->Validation ...

  5. Base64 报错 的解决办法 （Base-64 字符数组或字符串的长度无效。， 输入的不是有效的 Base-64 字符串，因为它包含非 Base-64 字符、两个以上的填充字符，或者填充字符间包含非法字符。）

    Base64 报错 的解决办法, 报错如下:1. FormatException: The input is not a valid Base-64 string as it contains a n ...

  6. VM装mac10.9教程+报错信息解决办法

    VM装mac10.9教程+报错信息解决办法 教程1: 教你在Vmware 10下安装苹果Mac10.9系统 地址:http://tieba.baidu.com/p/2847457021 教程2: VM ...

  7. Oracle数据库误删文件导致rman备份报错RMAN-06169解决办法

    Oracle数据库误删文件导致rman备份报错RMAN-06169解决办法 可能是误删文件导致在使用rman备份时候出现以下提示 RMAN-06169: could not read file hea ...

  8. Xamarin开发安装Visual Studio 2015 update2报错的解决办法

    Xamarin开发安装Visual Studio 2015 update2报错的解决办法错误信息:update 2 requires a member of the visual studio 201 ...

  9. Linux虚拟机--进入MySQL报错的解决办法

    在Linux安装MySQL有时候会出现 [mysql]ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/ ...

  10. rsync同步遇到的报错和解决办法

    rsync同步遇到的报错和解决办法   科技小能手 2017-11-12 18:27:00 浏览1125 配置 code 同步 open stream file read   在同步的客户端操作: [ ...

随机推荐

  1. CodeIgniter 发送邮件

    1. 在config目录中增加email.php $config['charset'] = 'utf-8'; $config['wordwrap'] = TRUE; $config['protocol ...

  2. wordpress 自定义面板显示不了挂件区问题

    刚才在写一个wordpress主题,遇到一个问题.注册好的挂件区在控制面板(dashboard)上显示,在自定义面板上却不显示. 查询了下,发现几个老外朋友也遇到了这个问题: http://wordp ...

  3. Delphi如何打开DBF数据库

    Delphi语言,无论Delphi7.Delphi2007或者Delphi XE2或3,无需安装其它附加的部件,就可以实现DBF文件的打开及相关操作,网络上很多要用到什么ADO引擎的,其实未必,只有安 ...

  4. Address localhost:1099 is already in use 的错误

    http://blog.csdn.net/huazhongkejidaxuezpp/article/details/41813683

  5. java ReentrantReadWriteLock

    // read and write lock is mutual exclusion lock //Listing 7-3. Using ReadWriteLock to Satisfy a Dict ...

  6. Java中 static/transient,final/volatile 说明

    你可以任意使用如下的修改限定关键字来定义一个字段:final或者volatile和/或者static和/或者transient. 如果你将一个字段定义为final,编译器将确保字段当成一个常量——只读 ...

  7. Groovy 在eclipse中的使用

    今天在写Groovy脚本的时候发现一个问题.如下图,element的elementIterator()方法不能智能显示,只能手动输入.而在eclipse中如果类a没有方法a,那么你是用"cl ...

  8. WIN 8.1使用常见问题及解决

      WIN 8.1正式版64位(cn_windows_8_1_pro_vl_x64_dvd_2971907)使用问题及解决 一.IE11的输入框会变蓝: 如在百度中搜索时,搜索框和按钮均变成蓝色背景, ...

  9. 从输入url到页面加载完成都发生了什么？

    原文地址: http://segmentfault.com/a/1190000003925803 根据 URL 请求页面过程 过程概述 浏览器查找域名对应的 IP 地址: 浏览器根据 IP 地址与服务 ...

  10. 创建第一个ArcGIS API for Silverlight应用

    原文:创建第一个ArcGIS API for Silverlight应用 在完成前面的开发环境搭建以后,接下来实现我们的第一个ArcGIS API forSilverlight应用程序. 接下来我们一 ...