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[英]Moving Java (Spring, Hibernate, MySql) project from Windows to Debian
[英]IllegalStateException when moving from local mySQL db to online (with java hibernate)
我相信在休眠/ mySQL上下文中从未有人问过这个问题(至少我找不到它...)。 我在Tomcat 7和mySQL上在本地运行JSP / Servlet Web应用程序(使用Hibernate),在这里运行良好。
但是,一旦我从本地mySQL DB更改为在线数据库(我要做的就是将hibernate.cfg.xml中的URL从localhost:8080更改为IP地址),
java.lang.IllegalStateException: Cannot forward after response has been committed
对于某些操作, java.lang.IllegalStateException: Cannot forward after response has been committed
错误(有关完整跟踪,请参见下文)。
连接不可能是问题:我通过该应用程序在db中成功创建了一个表。 例如,如果我尝试查找现有记录,则会发生上述错误。
在这个高水平上有什么想法吗? 由于运行多个继承类,因此代码非常复杂。
我该如何帮助您回答?
太感谢了。
*完整跟踪:
java.lang.IllegalStateException: Cannot forward after response has been committed
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:349)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
at butleronline.login.ControllerHelper.doPost(ControllerHelper.java:290)
at butleronline.Controller.doPost(Controller.java:30)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:695)
此错误与数据层无关。
java.lang.IllegalStateException: Cannot forward after response has been committed
意味着您的servlet正在尝试在已经提交的内容中编写某些内容。 粘贴代码,我将更新我的答案。
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