spring JMS在接收消息的时候总是报错 org.springframework.jms.UncategorizedJmsException: Uncategorized exception occured during JMS processing; nested exception is javax.jms.JMSException: Unexpected error occured at org.springframework.jms.support.JmsUtils.convertJ
查看导入日志,发现错误如下: oracle@sspt:/back/log> cat imp.HD_HDXX.log Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options Export file created by
使用AFNetworking 框架 解析数据 报错提示数据请求失败Error Domain=NSCocoaErrorDomain Code=3840 "The operation couldn’t be completed. (Cocoa error 3840.)" (JSON text did not start with array or object and option to allow fragments not set.) UserInfo=0x9b7eba0 {NSDeb
今天我在一个操作两个数据库的SSH里 同时插入1条数据 报错 Illegal attempt to associate a collection with two open sessions 在这里有答案:http://fuaotech.iteye.com/blog/1298826 使用hibenate的merge方法代替save.update等方法. merge和saveOrUpdate方法区别在于:merge方法是把我们提供的对象转变为托管状态的对象:而saveOrUpdate则是把我们提供
spring jpa 实体互相引用返回restful数据循环引用报错的问题 Java实体里两个对象有关联关系,互相引用,比如,在一对多的关联关系里 Problem对象,引用了标签列表ProblemLabel ProblemLabel对象,引用了所属Problem 这样构成了互相引用,导致递归循环内存溢出异常: org.springframework.http.converter.HttpMessageNotWritableException: Could not write content: I
批量导入数据到hbase的时候,报错: org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException: Failed 1 action: NotServingRegionException: 1 time, at org.apache.hadoop.hbase.client.AsyncProcess$BatchErrors.makeException(AsyncProcess.java:227) at org.apache
错误原因: 当POST的数据超过 max_allowed_packet 就会报 MySQL server has gone away 的错误. 1.查看当前Mysql的 max_allowed_packet show global variables like 'max_allowed_packet'; 默认的 max_allowed_packet 是 1M ,也就是说提交的数据大于1M就会报错,我们要修改为16M比较好. 2.修改方法: ;