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Software caused connection abort: socket write error

2018-04-12 16:56:05,555 [pool-1-thread-1] ERROR [org.springframework.transaction.interceptor.TransactionInterceptor] - Application exception overridden by rollback exception org.springframework.dao.D...

2018-4-13 10:29:55 org.apache.catalina.core.ApplicationContext log 严重: Error creating bean with name ‘materController’: Injection of autowired dependencies failed;Could not autowire field: No qualify...

解决 Spring MVC No converter found for return value of type

Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level.java.lang.IllegalArgumentException: Invalid character found in the request target. The valid characters are define

bug：expected at least 1 bean which qualifies as autowire candidate for this dependency.

报错ClassNotFoundException缺少jar包一般出现这中情况，50%是出现了缺少jar包的问题。。jar包的位置导入有问题我们知道在导入我们自己定义或者封装的jar包是一般是通过build path 来添加一个jar包，但是当我们用这种方法导入第三方提供的jar时，web project启动时会出现这种找不到jar的情况。所以此时你需要手动将需要的jar放到web-inf/lib下

IOException parsing XML document from class path resource [spring-mybatis.xml]; nested exception is java.io.FileNotFoundException: class path resource [spring-mybatis.xml] cannot be opened because it does not exist at org.springframework.beans.factory.xml

Referenced file contains errors (http://www.springframework.org/schema/context/spring-context-3.1.xsd). For more information, right click on the message in the Problems View and select "Show Details..."

使用mybatis进行查询时，并没有为映射语句找到结果映射.没有给定resultType或者resultMap值出现的错误。 select from tb_content_category where parent_id = #{parentId}

Parameter index out of range (2 > number of parameters, which is 1)

tomcat服务器运行一段时间，报异常：java.lang.OutOfmemoryError: PermGen Space 的错误，导致项目无法正常运行。介绍：PermGen Space：指的是内存的永久保存区，该块内存主要是被JVM用来存放 class 和 mete 信息的，当 class 被加载 loader 的时候就会被存储到该内存区中，与存放类的实例的heap区不同，java中的 垃圾...