Spring webSocket 中自带有这样一行代码:
public InetSocketAddress getLocalAddress() {
return new InetSocketAddress(this.servletRequest.getLocalName(), this.servletRequest.getLocalPort());
}
报的异常是这样的:
Caused by: java.lang.IllegalArgumentException: hostname can't be null
at java.net.InetSocketAddress.checkHost(InetSocketAddress.java:149)
at java.net.InetSocketAddress.<init>(InetSocketAddress.java:216)
at org.springframework.http.server.ServletServerHttpRequest.getLocalAddress(ServletServerHttpRequest.java:162)
at org.springframework.web.socket.server.standard.AbstractStandardUpgradeStrategy.upgrade(AbstractStandardUpgradeStrategy.java:108)
at org.springframework.web.socket.server.support.AbstractHandshakeHandler.doHandshake(AbstractHandshakeHandler.java:279)
at org.springframework.web.socket.server.support.WebSocketHttpRe
questHandler.handleRequest(WebSocketHttpRequestHandler.java:166)
也就是说 request.getLocalName返回为空了,由于是spring中的代码,改不了,
所以只能从环境配置修复了.
我的代码在自己的开发机和测试机上没有问题
1,试过添加hosts 无效
2,试过添加hostname环境变量无效
3,还有tomcat能正常访问,正常部署,只在访问其中一个接口时出这个异常
4,换一个tomcat也不行
经过测试和在线调试,以下代码确实返回空的
request.getRemoteHost();也是空的
request.getRemoteAddr();也是空的
public void getMessage(@PathVariable("serverName") String serverName, HttpServletResponse response, HttpServletRequest request){
ga.push();
coreService.doMock(request,response,serverName);
if(request.getLocalName()==null){
System.err.println("DEBUG:request.getLocalName() is null");
}
}
求大神