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=3D239890 --- Comment #5 from Jonathan Chen <jonc@chen.org.nz> --- Actually, it looks like the use of java.net.preferIPv4Stack=3Dtrue is actua= lly hiding a problem with OpenJDK11's IP address handling: 1.stormblade:jdbc-test,8:31am> ls=20=20=20=20 J.java postgresql-42.2.6.jar=20=20=20=20 1.stormblade:jdbc-test,8:31am> cat J.java=20=20=20=20=20 import java.sql.*;=20=20 public class J=20=20 {=20=20 public static void=20=20 main (=20=20 String args[])=20=20 throws Exception=20=20 {=20=20 String url =3D "jdbc:postgresql://127.0.0.1/postgres?user=3Dpostgres";=20=20 Connection conn =3D DriverManager.getConnection(url);=20=20 }=20=20 }=20=20 1.stormblade:jdbc-test,8:31am> setenv JAVA_HOME /usr/local/openjdk8 1.stormblade:jdbc-test,8:31am> javac J.java=20=20=20=20 1.stormblade:jdbc-test,8:31am> java -cp .:postgresql-42.2.6.jar -Djava.net.preferIPv4Stack=3Dfalse J=20=20=20 1.stormblade:jdbc-test,8:32am> setenv JAVA_HOME /usr/local/openjdk11=20=20= =20=20 1.stormblade:jdbc-test,8:32am> java -cp .:postgresql-42.2.6.jar -Djava.net.preferIPv4Stack=3Dfalse J=20=20=20=20 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 th= at the postmaster is accepting TCP/IP connections.=20=20 at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionF= actoryImpl.java:280)=20 at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java= :49)=20 at org.postgresql.jdbc.PgConnection.<init>(PgConnection.java:195)= =20=20 at org.postgresql.Driver.makeConnection(Driver.java:458)=20=20 at org.postgresql.Driver.connect(Driver.java:260)=20=20 at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:677)=20=20 at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:251)=20=20 at J.main(J.java:11)=20=20 Caused by: java.net.ConnectException: Invalid argument (connect failed)=20= =20 at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)= =20=20 at java.base/java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImp= l.java:399)=20 at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSo= cketImpl.java:242)=20 at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.= java:224)=20 at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:= 403)=20 at java.base/java.net.Socket.connect(Socket.java:591)=20=20 at org.postgresql.core.PGStream.<init>(PGStream.java:75)=20=20 at org.postgresql.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryIm= pl.java:91)=20 at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionF= actoryImpl.java:192)=20 ... 7 more=20=20 1.stormblade:jdbc-test,8:32am> --=20 You are receiving this mail because: You are the assignee for the bug.=
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