怎么捕获、处理关闭浏览器导致的websocket后台报错~！

[yangsen251024]

问题描述：
登录成功后，跳转到系统主页，此时根据用户ID打开一个websocket，这时如果直接关闭浏览器，后台会报如下错误，请教各位，有什么办法解决、处理没有：

java.io.IOException: java.util.concurrent.ExecutionException: java.net.SocketException: Software caused connection abort: socket write error
at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.startMessageBlock(WsRemoteEndpointImplBase.java:286)
at org.apache.tomcat.websocket.WsSession.sendCloseMessage(WsSession.java:572)
at org.apache.tomcat.websocket.WsSession.onClose(WsSession.java:495)
at org.apache.tomcat.websocket.WsFrameBase.processDataControl(WsFrameBase.java:348)
at org.apache.tomcat.websocket.WsFrameBase.processData(WsFrameBase.java:290)
at org.apache.tomcat.websocket.WsFrameBase.processInputBuffer(WsFrameBase.java:131)
at org.apache.tomcat.websocket.server.WsFrameServer.onDataAvailable(WsFrameServer.java:67)
at org.apache.tomcat.websocket.server.WsHttpUpgradeHandler$WsReadListener.onDataAvailable(WsHttpUpgradeHandler.java:204)
at org.apache.coyote.http11.upgrade.AbstractServletInputStream.onDataAvailable(AbstractServletInputStream.java:203)
at org.apache.coyote.http11.upgrade.AbstractProcessor.upgradeDispatch(AbstractProcessor.java:93)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:635)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)
Caused by: java.util.concurrent.ExecutionException: java.net.SocketException: Software caused connection abort: socket write error
at org.apache.tomcat.websocket.FutureToSendHandler.get(FutureToSendHandler.java:120)
at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.startMessageBlock(WsRemoteEndpointImplBase.java:281)
... 15 more
Caused by: java.net.SocketException: Software caused connection abort: socket write error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(Unknown Source)
at java.net.SocketOutputStream.write(Unknown Source)
at org.apache.coyote.http11.upgrade.BioServletOutputStream.doWrite(BioServletOutputStream.java:38)
at org.apache.coyote.http11.upgrade.AbstractServletOutputStream.writeInternal(AbstractServletOutputStream.java:153)
at org.apache.coyote.http11.upgrade.AbstractServletOutputStream.write(AbstractServletOutputStream.java:121)
at org.apache.tomcat.websocket.server.WsRemoteEndpointImplServer.onWritePossible(WsRemoteEndpointImplServer.java:94)
at org.apache.tomcat.websocket.server.WsRemoteEndpointImplServer.doWrite(WsRemoteEndpointImplServer.java:81)
at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.writeMessagePart(WsRemoteEndpointImplBase.java:456)
at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.startMessage(WsRemoteEndpointImplBase.java:344)
at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.startMessageBlock(WsRemoteEndpointImplBase.java:276)
... 15 more

[kampoo]

直接捕获异常忽略吧，毕竟客户端的类型毕竟多，有的websocket可能不够 graceful （优雅）~ 服务器端要假定客户端都是 “傻客户端”~

[yangsen251024]

引用 1 楼 kampoo 的回复:

直接捕获异常忽略吧，毕竟客户端的类型毕竟多，有的websocket可能不够 graceful （优雅）~ 服务器端要假定客户端都是 “傻客户端”~

这个异常怎么捕获？

[yangsen251024]

引用 2 楼 yangsen251024 的回复:

[quote=引用 1 楼 kampoo 的回复:]
直接捕获异常忽略吧，毕竟客户端的类型毕竟多，有的websocket可能不够 graceful （优雅）~ 服务器端要假定客户端都是 “傻客户端”~

这个异常怎么捕获？[/quote]

引用 2 楼 yangsen251024 的回复:

[quote=引用 1 楼 kampoo 的回复:]
直接捕获异常忽略吧，毕竟客户端的类型毕竟多，有的websocket可能不够 graceful （优雅）~ 服务器端要假定客户端都是 “傻客户端”~

这个异常怎么捕获？[/quote]



感谢！

[习惯了想你]

判断一下 session.isOpen() ，然后在执行操作