异常如下: [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.ClassCastException: library.book.demo.entity.Admin cannot be cast to library.book.demo.entity.Admin] with root cause java.lang
weblogic启动节点服务器报错,java.lang.ClassCastException:com.octestring.vde.backend.BackendRoot cannot be cast to com.octestring.vde.backend.standard.BackendStandard类型转换异常,导致初始化application失败. 具体错误如下图 其实从错误堆栈里看不出来啥的,重点在第一个图的上部分,已用红线标出 再截出来仔细看看.很明显,说的是EmbeddedLD
Redis发生异常WRONGTYPE Operation against a key holding the wrong kind of value Redis发生异常WRONGTYPE Operation against a key holding the wrong kind of value发生这个异常的原因大概就是你的当前程序中key的操作类型,并不与redis库中存在的key的类型相匹配.举个荔枝:1.你 SADD bbs “discuz.net” 向一个key为bbs的集合中添加了
前言 今天看群里小伙伴问了一个非常有意思的问题: 使用 Map<String,Object> 对象接收前端传递的参数,在后端取参时,因为接口文档中明确该字段类型为 Long ,所以对接收的参数进行了强转,即 (Long)参数 ,但是却发生了类型转换异常,报错信息如下: class java.lang.Integer cannot be cast to class java.lang.Long (java.lang.Integer and java.lang.Long are in module
异常描述: redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool at redis.clients.util.Pool.getResource(Pool.java:22) at com.derbysoft.jredis.longkeytest.BorrowObject.run(BorrowObject.java:22) at java.lang.Thread.
异常信息; org.springframework.data.redis.serializer.SerializationException: Cannot deserialize; nested exception is org.springframework.core.serializer.support.SerializationFailedException: Failed to deserialize payload. Is the byte array a result of cor
在官网上下载redis包,解压后启动. 启动redis报下面的错误! *** FATAL CONFIG FILE ERROR *** Reading the configuration file, at line 56 >>> 'tcp-keepalive 0' Bad directive or wrong number of argumentsFATAL CONFIG FILE ERROR 解决办法: 在redis的目录下执行sudo make install. redis的三种启动方
官网地址:http://redis.io/ 官网下载地址:http://redis.io/download 1. 下载Redis源码(tar.gz),并上传到Linux 2. 解压缩包:tar zxvf redis-2.8.17.tar.gz 3. 进入解压缩后的文件夹:cd redis-2.8.17 4. 编译源码:make (1)若出现如下提示,则说明未安装gcc,使用命令安装gcc:yum install gcc 2.8.17]# make cd src && make all ma