J2ME错误：java.net.SocketTimeoutException: Read timed out

java.net.SocketTimeoutException: Read timed out
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? at java.net.SocketInputStream.socketRead0(Native Method)
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? at java.net.SocketInputStream.read(SocketInputStream.java:129)
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? at org.apache.catalina.connector.http.SocketInputStream.fill(SocketInputStream.java:593)
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? at org.apache.catalina.connector.http.SocketInputStream.read(SocketInputStream.java:530)
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? at org.apache.catalina.connector.RequestStream.read(RequestStream.java:188)
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? at org.apache.catalina.connector.http.HttpRequestStream.read(HttpRequestStream.java:213)
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? at java.io.DataInputStream.readUnsignedShort(DataInputStream.java:344)
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? at java.io.DataInputStream.readUTF(DataInputStream.java:574)
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? at java.io.DataInputStream.readUTF(DataInputStream.java:551)
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? at yljservlet.Servlet.doGet(Servlet.java:17)
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? at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
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? at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
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? at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
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? at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
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? at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
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? at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
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? at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
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? at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
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? at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:190)
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? at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
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? at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
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? at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
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? at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
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? at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
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? at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2347)
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? at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
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? at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
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? at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
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? at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
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? at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
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? at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
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? at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
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? at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
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? at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
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? at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
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? at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
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? at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
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? at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1027)
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? at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1125)
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? at java.lang.Thread.run(Thread.java:536)