Java jetty 9和apache xml rpc 3.1.3：文件过早结束

我必须支持一些旧的XML RPC服务。从jetty 6升级到9后，我发现以下错误：

org.apache.xmlrpc.XmlRpcException: Failed to parse XML-RPC request: Premature end of file.
    at org.apache.xmlrpc.server.XmlRpcStreamServer.getRequest(XmlRpcStreamServer.java:71)
    at org.apache.xmlrpc.server.XmlRpcStreamServer.execute(XmlRpcStreamServer.java:199)
    at org.apache.xmlrpc.webserver.XmlRpcServletServer.execute(XmlRpcServletServer.java:112)
    at org.apache.xmlrpc.webserver.XmlRpcServlet.doPost(XmlRpcServlet.java:196)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:696)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:526)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:219)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1110)
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:453)
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1044)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
    at org.eclipse.jetty.server.Server.handle(Server.java:459)
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:280)
    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:229)
    at org.eclipse.jetty.io.AbstractConnection$1.run(AbstractConnection.java:505)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:607)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:536)
    at java.lang.Thread.run(Thread.java:744)

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并非每个请求都会发生此错误，而是周期性出现，这似乎表明存在某些线程问题。有什么建议吗

我也有同样的问题。确保在请求的标题中使用“Content-Type:application/xml”