On Wed, 2022-11-16 at 13:04 +0800, gzh wrote: > I have developed an application using the jdbc driver and > connecting to a postgresql database . > The application mainly does the following two things: > ① read data from the CSV file and insert it into the database > ② perform a database query > In my application, the above ① and ② are executed asynchronously. > Everything was working fine until I increase the amount of CSV data to more than 1000. > Randomly they receive an error, the stack trace of which is below. > > Caused by: java.net.SocketTimeoutException: Read timed out > at java.base/java.net.SocketInputStream.socketRead0(Native Method) > at java.base/java.net.SocketInputStream.socketRead(SocketInputStream.java:115) > at java.base/java.net.SocketInputStream.read(SocketInputStream.java:168) > at java.base/java.net.SocketInputStream.read(SocketInputStream.java:140) > at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:478) > at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:472) > at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70) > at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1454) > at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1065) > at org.postgresql.core.VisibleBufferedInputStream.readMore(VisibleBufferedInputStream.java:161) Well, set a longer socket timeout if you need to run long SQL statements, or tune those statements to be faster. https://jdbc.postgresql.org/documentation/use/#connection-parameters has more information about "socketTimeout". Yours, Laurenz Albe