异常java.lang.IllegalArgumentException:attempt to create delete event with null entity解决:路径问题,前台jsp和java的control层接收不一致,还有可能service调错了…

解决办法:删除之前判断是否为空 if(Object != null){ session.delete(Object); }…

错误信息:attempt to create saveOrUpdate event with null entity; 这个错误网上答案比较多,我也不多说了. 我遇到的问题是在前台传过来的参数是null对象,后台hibernate又去保存这个对象,就出现这个错误,添加个判断就好.…

今天想把ssh整合的代码跑起来,控制台就一直在报错,搞了半天!!! Hibernate: select computer0_.computerId as computer1_0_, computer0_.computerName as computer2_0_, computer0_.computerPrice as computer3_0_, computer0_.computerType as computer4_0_ from computer computer0_java.lang.Il…

Did u have a problem whth the deepin file manager,Everthime I create/delete a Folder of File i have to refresh. When u right click->new Folder ->nothing happens ->then refresh->it is visble like this video apt-cache show dde-file-manager sudo…

I have a code like this: public class SomeClass { int _processProgress; public int ProcessProgress { get { return _processProgress; } set { _processProgress = value; if (ProcessProgressChanged != null) ProcessProgressChanged(value); } } public delega…

"sc.exe" can also be used to create and delete services. If you want to create a new service, you can use the "create" commanded offered by the sc.exe tool. Before running this command, you need to prepre the following minimum informat…

我是在对一个UITableView 一起进行 reloadRows和reloadSections 的操作的时候 出现的…

1.错误描写叙述    java.lang.IllegalArgumentException:attempt to create delete event with null entity. 2.错误原因    dojo.xhrPost({         url:"", content:{     "userId":userId         },         success:function(data)         {         }    });…

异常信息: java.lang.IllegalArgumentException: attempt to create delete event with null entity at org.hibernate.event.spi.DeleteEvent.<init>(DeleteEvent.java:31) at org.hibernate.internal.SessionImpl.delete(SessionImpl.java:860) at com.geore.test.TestDem…