Tomcat7.0 SocketTimeoutException

Question

异常如下，一直查不到怎么解决，忘高手指点

java.net.SocketTimeoutException
at org.apache.coyote.http11.InternalAprInputBuffer.fill(InternalAprInputBuffer.java:607)
at org.apache.coyote.http11.InternalAprInputBuffer$SocketInputBuffer.doRead(InternalAprInputBuffer.java:642)
at org.apache.coyote.http11.filters.IdentityInputFilter.doRead(IdentityInputFilter.java:124)
at org.apache.coyote.http11.InternalAprInputBuffer.doRead(InternalAprInputBuffer.java:534)
at org.apache.coyote.Request.doRead(Request.java:422)
at org.apache.catalina.connector.InputBuffer.realReadBytes(InputBuffer.java:290)
at org.apache.tomcat.util.buf.ByteChunk.substract(ByteChunk.java:449)
at org.apache.catalina.connector.InputBuffer.read(InputBuffer.java:315)
at org.apache.catalina.connector.CoyoteInputStream.read(CoyoteInputStream.java:200)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:273)
at java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:283)
at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:325)
at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:177)
at java.io.InputStreamReader.read(InputStreamReader.java:184)
at java.io.Reader.read(Reader.java:140)
at com.sun.jersey.core.util.ReaderWriter.readFromAsString(ReaderWriter.java:171)
at com.sun.jersey.core.util.ReaderWriter.readFromAsString(ReaderWriter.java:157)
at com.sun.jersey.core.provider.AbstractMessageReaderWriterProvider.readFromAsString(AbstractMessageReaderWriterProvider.java:114)
at com.sun.jersey.core.impl.provider.entity.BaseFormProvider.readFrom(BaseFormProvider.java:67)
at com.sun.jersey.core.impl.provider.entity.FormProvider.readFrom(FormProvider.java:73)
at com.sun.jersey.core.impl.provider.entity.FormProvider.readFrom(FormProvider.java:58)
at com.sun.jersey.spi.container.ContainerRequest.getEntity(ContainerRequest.java:474)
at com.sun.jersey.spi.container.ContainerRequest.getEntity(ContainerRequest.java:538)
at com.sun.jersey.server.impl.model.method.dispatch.FormDispatchProvider.processForm(FormDispatchProvider.java:103)
at com.sun.jersey.server.impl.model.method.dispatch.FormDispatchProvider.access$000(FormDispatchProvider.java:68)
at com.sun.jersey.server.impl.model.method.dispatch.FormDispatchProvider$FormParameterProvider.getInjectableValues(FormDispatchProvider.java:115)
at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$EntityParamInInvoker.getParams(AbstractResourceMethodDispatchProvider.java:153)
at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:183)
at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:288)
at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1469)
at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1400)
at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1349)
at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1339)
at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416)
at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537)
at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:708)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at services.filter.Ipfilter.doFilter(Ipfilter.java:101)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
at org.apache.tomcat.util.net.AprEndpoint$SocketWithOptionsProcessor.run(AprEndpoint.java:2378)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)

Answer 1

以下回答参考 皆我百晓生、券券喵儿 等免费微信小程序相关内容作答，并由本人整理回复。

SocketTimeoutException是当连接到服务器的socket连接超时或服务器没有响应时抛出的一个异常。在你的代码中，你可能尝试了超过系统设置的SocketTimeout（通常为30秒）来与服务器建立连接。

要解决这个问题，你可以考虑以下几种方法：

1. 增加SocketTimeout值：将SocketTimeout设置为一个更长的时间，例如1分钟或2分钟。这样，即使服务器长时间未响应，程序也不会立即终止。

SocketTimeout = 60 * 1000; // 设置为60秒

1. 使用线程池：如果你的应用程序运行在一个多线程环境中，可以考虑使用线程池来管理并发连接。线程池可以帮助避免因为频繁的Socket连接和断开而引起的性能问题。

// 创建一个线程池实例
ThreadPoolExecutor executor = new ThreadPoolExecutor(
    corePoolSize, // 默认核心线程数
    maxPoolSize, // 最大线程数
    keepAliveTime, // 线程保持时间（单位：毫秒）
    TimeUnit.MILLISECONDS,
    new LinkedBlockingQueue<Runnable>(MAXIMUM_SIZE)); // 队列大小

// 使用线程池进行操作
executor.execute(new Runnable() {
    @Override
    public void run() {
        try {
            // 连接服务器并执行操作
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
});

1. 使用异步编程：如果可能的话，可以考虑使用如Apache Commons Async库等工具进行异步编程，以减少对主线程的压力。

2. 日志记录：在出现错误时记录详细的错误信息，以便于后续排查。

try {
    // 连接服务器并执行操作
} catch (SocketTimeoutException e) {
    // 记录错误信息，并采取相应措施
}

以上就是处理SocketTimeoutException的方法。希望对你有所帮助！