connectionTimeout and socket.soTimeout are the same attribute. The value
used is the most recent one set regardless of which setter was used.
For the simple case of blocking read/write then the default timeout will
be the same as connectionTimeout.
Once you get into async, WebSocket and HTTP/2 things get more complex.
For example, the socket timeout for async is infinite and Tomcat manages
the async timeout separately.
The docs could do with an update.
Mark
On 04/11/2022 11:45, Pawel Veselov wrote:
Hello.
I was wondering what exact value does Tomcat 9x use for NIO connector
socket timeouts?
I.e., when the following exception occurs:
org.apache.catalina.connector.ClientAbortException
java.net.SocketTimeoutException
at
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:353)
at
org.apache.catalina.connector.OutputBuffer.flushByteBuffer(OutputBuffer.java:783)
at org.apache.catalina.connector.OutputBuffer.append(OutputBuffer.java:688)
at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:388)
at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:366)
at
org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:96)
, it means that the underlying socket's .setSoTimeout() has been set
to a positive value.
Reading https://tomcat.apache.org/tomcat-9.0-doc/config/http.html, I see:
socket.soTimeout - "This is equivalent to standard attribute
connectionTimeout". Does it mean that setting this property is the
same as setting connectionTimeout, or that in the absence of
socket.soTimeout being explicitly set, the value of connectionTimeout
is used?
"connectionTimeout" says that it's only about waiting for a request
line after a TCP connection is accepted.
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