java.lang.IllegalStateException: cannot set headers after headers have > > already been written > > at weblogic.servlet.internal.ServletResponseImpl.setHeader(Compiled > > Code) > > at > > weblogic.servlet.internal.HttpClusterServlet$Server.sendReplyHeaders(Compile > > d Code) > > at > > weblogic.servlet.internal.HttpClusterServlet$Server.proxy(Compiled Code) > > at weblogic.servlet.internal.HttpClusterServlet.service(Compiled > > Code) > > at javax.servlet.http.HttpServlet.service(Compiled Code) > > at weblogic.servlet.internal.ServletStubImpl.invokeServlet(Compiled > > Code) > > at > > weblogic.servlet.internal.ServletContextImpl.invokeServlet(Compiled Code) > > at > > weblogic.servlet.internal.ServletContextImpl.invokeServlet(Compiled Code) > >

Oracle Community | 3004 | 2 decades ago
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    java.lang.IllegalStateException: cannot set headers after headers have already been written

    Oracle Community | 2 decades ago | 3004
    java.lang.IllegalStateException: cannot set headers after headers have > > already been written > > at weblogic.servlet.internal.ServletResponseImpl.setHeader(Compiled > > Code) > > at > > weblogic.servlet.internal.HttpClusterServlet$Server.sendReplyHeaders(Compile > > d Code) > > at > > weblogic.servlet.internal.HttpClusterServlet$Server.proxy(Compiled Code) > > at weblogic.servlet.internal.HttpClusterServlet.service(Compiled > > Code) > > at javax.servlet.http.HttpServlet.service(Compiled Code) > > at weblogic.servlet.internal.ServletStubImpl.invokeServlet(Compiled > > Code) > > at > > weblogic.servlet.internal.ServletContextImpl.invokeServlet(Compiled Code) > > at > > weblogic.servlet.internal.ServletContextImpl.invokeServlet(Compiled Code) > >

    Root Cause Analysis

    1. java.lang.IllegalStateException

      cannot set headers after headers have > > already been written > > at weblogic.servlet.internal.ServletResponseImpl.setHeader(Compiled > > Code) > > at > > weblogic.servlet.internal.HttpClusterServlet$Server.sendReplyHeaders(Compile > > d Code) > > at > > weblogic.servlet.internal.HttpClusterServlet$Server.proxy(Compiled Code) > > at weblogic.servlet.internal.HttpClusterServlet.service(Compiled > > Code) > > at javax.servlet.http.HttpServlet.service(Compiled Code) > > at weblogic.servlet.internal.ServletStubImpl.invokeServlet(Compiled > > Code) > > at > > weblogic.servlet.internal.ServletContextImpl.invokeServlet(Compiled Code) > > at > > weblogic.servlet.internal.ServletContextImpl.invokeServlet(Compiled Code) > >

      at weblogic.socket.MuxableSocketHTTP.invokeServlet()
    2. weblogic.socket
      MuxableSocketHTTP.invokeServlet
      1. weblogic.socket.MuxableSocketHTTP.invokeServlet(CompiledCode)
      1 frame