接口返回的时候报错，java.io.IOException: Connection reset by peer，具体报错信息如下：
org.apache.catalina.connector.ClientAbortException: java.io.IOException: Connection reset by peer
at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:351)
at org.apache.catalina.connector.OutputBuffer.flushByteBuffer(OutputBuffer.java:776)
at org.apache.catalina.connector.OutputBuffer.append(OutputBuffer.java:681)
at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:386)
at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:364)
at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:96)
at com.fasterxml.jackson.core.json.UTF8JsonGenerator._flushBuffer(UTF8JsonGenerator.java:2137)
at com.fasterxml.jackson.core.json.UTF8JsonGenerator.writeRaw(UTF8JsonGenerator.java:737)
at com.fasterxml.jackson.core.json.UTF8JsonGenerator.writeRaw(UTF8JsonGenerator.java:650)Suppressed: org.apache.catalina.connector.ClientAbortException: java.io.IOException: Broken pipe
at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:351)
at org.apache.catalina.connector.OutputBuffer.flushByteBuffer(OutputBuffer.java:776)
at org.apache.catalina.connector.OutputBuffer.append(OutputBuffer.java:681)
at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:386)
at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:364)
at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:96)
at com.fasterxml.jackson.core.json.UTF8JsonGenerator._flushBuffer(UTF8JsonGenerator.java:2137)
at com.fasterxml.jackson.core.json.UTF8JsonGenerator.close(UTF8JsonGenerator.java:1180)
at org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter.writeInternal(AbstractJackson2HttpMessageConverter.java:346)
... 53 common frames omitted
Caused by: java.io.IOException: Broken pipe
at sun.nio.ch.FileDispatcherImpl.write0(Native Method)
at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47)
at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93)
at sun.nio.ch.IOUtil.write(IOUtil.java:65)
at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:471)
at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:138)
at org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:101)
at org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:152)原因：接口返回的数据量太大报错，
解决办法：修改nginx缓存配置信息。
nginx原配置信息：
proxy_buffer_size 16k;
proxy_buffers 4 64k;
proxy_busy_buffers_size 128k;
proxy_temp_file_write_size 128k;nginx修改后信息：
proxy_buffer_size 256k;
proxy_buffers 4 256k;
proxy_busy_buffers_size 256k;
proxy_temp_file_write_size 256k;注意：文章来源：https://www.toymoban.com/news/detail-565965.html
"proxy_busy_buffers_size"必须等于或大于"proxy_buffer_size"的最大值。文章来源地址https://www.toymoban.com/news/detail-565965.html
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