java.lang.IllegalStateException: forward() not allowed after buffer has committed. at com.caucho.server.webapp.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:139) at com.caucho.server.webapp.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:106) at com.oak.octopus.framework.RequestProcessor.doForward(Unknown Source) at com.oak.octopus.framework.RequestProcessor.processForwardConfig(Unknown Source) at com.oak.octopus.framework.RequestProcessor.process(Unknown Source) at com.oak.octopus.framework.MainServlet.process(Unknown Source) at com.oak.octopus.framework.MainServlet.doGet(Unknown Source) at javax.servlet.http.HttpServlet.service(HttpServlet.java:115) at javax.servlet.http.HttpServlet.service(HttpServlet.java:92) at com.caucho.server.dispatch.ServletFilterChain.doFilter(ServletFilterChain.java:99) at com.caucho.server.webapp.DispatchFilterChain.doFilter(DispatchFilterChain.java:115) at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:208) at com.caucho.server.webapp.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:268) at com.caucho.server.webapp.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:106) at org.tuckey.web.filters.urlrewrite.RewrittenUrl.doRewrite(RewrittenUrl.java:188) at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:340) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70) at com.dudu.music.filter.UrlFilter.doFilter(Unknown Source) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70) at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:163) at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:208) at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:259) at com.caucho.server.port.TcpConnection.run(TcpConnection.java:363) at com.caucho.util.ThreadPool.runTasks(ThreadPool.java:490) at com.caucho.util.ThreadPool.run(ThreadPool.java:423) at java.lang.Thread.run(Thread.java:595)