我有一个使用Spring RestTemplate的应用程序。有时，它会卡住（最后一次，它被卡住了两天，然后我们才注意到并重新启动它）：
"scheduling-1" #19 prio=5 os_prio=0 tid=0x00007fbcfdfc0800 nid=0x36 runnable [0x00007fbc901c7000]
java.lang.Thread.State: RUNNABLE
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
at java.net.SocketInputStream.read(SocketInputStream.java:171)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:286)
at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
- locked <0x00000000c4ae36d0> (a java.io.BufferedInputStream)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:735)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:678)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1593)
- locked <0x00000000c4aecc88> (a sun.net.www.protocol.http.HttpURLConnection)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1498)
- locked <0x00000000c4aecc88> (a sun.net.www.protocol.http.HttpURLConnection)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)
at org.springframework.http.client.SimpleClientHttpResponse.getRawStatusCode(SimpleClientHttpResponse.java:55)
at org.springframework.web.client.DefaultResponseErrorHandler.hasError(DefaultResponseErrorHandler.java:55)
at org.springframework.web.client.RestTemplate.handleResponse(RestTemplate.java:765)
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:735)
at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:669)
at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:578)
我使用restTemplateBuilder.build（）构建RestTemplate。
我会假设RestTemplate具有某种默认的超时配置，以便在一段时间后删除连接，但是并没有删除它，因此我认为连接处于某种奇怪的状态。 我可以以某种方式配置RestTemplate在一段时间后删除连接，即使它认为连接很好吗？