Date: Tue, 20 Aug 2019 20:34:15 +0000 From: bugzilla-noreply@freebsd.org To: java@FreeBSD.org Subject: [Bug 239890] java/openjdk11: openjdk 11.0.4+11.2 JDBC connections fail with IPv6 addresses Message-ID: <bug-239890-8522-A7xAYlBNFf@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-239890-8522@https.bugs.freebsd.org/bugzilla/> References: <bug-239890-8522@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239890 --- Comment #5 from Jonathan Chen <jonc@chen.org.nz> --- Actually, it looks like the use of java.net.preferIPv4Stack=true is actually hiding a problem with OpenJDK11's IP address handling: 1.stormblade:jdbc-test,8:31am> ls J.java postgresql-42.2.6.jar 1.stormblade:jdbc-test,8:31am> cat J.java import java.sql.*; public class J { public static void main ( String args[]) throws Exception { String url = "jdbc:postgresql://127.0.0.1/postgres?user=postgres"; Connection conn = DriverManager.getConnection(url); } } 1.stormblade:jdbc-test,8:31am> setenv JAVA_HOME /usr/local/openjdk8 1.stormblade:jdbc-test,8:31am> javac J.java 1.stormblade:jdbc-test,8:31am> java -cp .:postgresql-42.2.6.jar -Djava.net.preferIPv4Stack=false J 1.stormblade:jdbc-test,8:32am> setenv JAVA_HOME /usr/local/openjdk11 1.stormblade:jdbc-test,8:32am> java -cp .:postgresql-42.2.6.jar -Djava.net.preferIPv4Stack=false J Exception in thread "main" org.postgresql.util.PSQLException: Connection to 127.0.0.1:5432 refused. Check that the hostname and port are correct and that the postmaster is accepting TCP/IP connections. at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:280) at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:49) at org.postgresql.jdbc.PgConnection.<init>(PgConnection.java:195) at org.postgresql.Driver.makeConnection(Driver.java:458) at org.postgresql.Driver.connect(Driver.java:260) at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:677) at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:251) at J.main(J.java:11) Caused by: java.net.ConnectException: Invalid argument (connect failed) at java.base/java.net.PlainSocketImpl.socketConnect(Native Method) at java.base/java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:399) at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:242) at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:224) at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:403) at java.base/java.net.Socket.connect(Socket.java:591) at org.postgresql.core.PGStream.<init>(PGStream.java:75) at org.postgresql.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:91) at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:192) ... 7 more 1.stormblade:jdbc-test,8:32am> -- You are receiving this mail because: You are the assignee for the bug.
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