Pega 8.7 installation error-unable to connect to db

I have Pega 8.7 personal edition. Error while installing

log files are below…

[exec] Result: 1 [exec] Result: 1 Mar 15, 2022 5:05:46 PM org.postgresql.Driver connect SEVERE: Connection error: org.postgresql.util.PSQLException: Connection to localhost:5436 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:265) at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:49) at org.postgresql.jdbc.PgConnection.(PgConnection.java:194) at org.postgresql.Driver.makeConnection(Driver.java:431) at org.postgresql.Driver.connect(Driver.java:247) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:208) at com.pega.pegarules.util.anttasks.IsDBAvailable.execute(IsDBAvailable.java:112) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292) at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99) at org.apache.tools.ant.Task.perform(Task.java:350) at org.apache.tools.ant.Target.execute(Target.java:449) at org.apache.tools.ant.Target.performTasks(Target.java:470) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1401) at org.apache.tools.ant.Project.executeTarget(Project.java:1374) at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) at org.apache.tools.ant.Project.executeTargets(Project.java:1264) at org.tp23.antinstaller.antmod.Main.runBuild(Main.java:710) at org.tp23.antinstaller.antmod.Main.startAnt(Main.java:218) at org.tp23.antinstaller.antmod.Launcher.run(Launcher.java:216) at org.tp23.antinstaller.runtime.exe.AntLauncherFilter.exec(AntLauncherFilter.java:79) at org.tp23.antinstaller.runtime.ExecInstall.exec(ExecInstall.java:88) at org.tp23.antinstaller.selfextract.SelfExtractor.main(SelfExtractor.java:398) Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at org.postgresql.core.PGStream.(PGStream.java:62) at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:144) … 25 more Mar 15, 2022 5:05:49 PM org.postgresql.Driver connect SEVERE: Connection error: org.postgresql.util.PSQLException: Connection to localhost:5436 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:265) at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:49) at org.postgresql.jdbc.PgConnection.(PgConnection.java:194) at org.postgresql.Driver.makeConnection(Driver.java:431) at org.postgresql.Driver.connect(Driver.java:247) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:208) at com.pega.pegarules.util.anttasks.IsDBAvailable.execute(IsDBAvailable.java:112) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292) at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99) at org.apache.tools.ant.Task.perform(Task.java:350) at org.apache.tools.ant.Target.execute(Target.java:449) at org.apache.tools.ant.Target.performTasks(Target.java:470) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1401) at org.apache.tools.ant.Project.executeTarget(Project.java:1374) at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) at org.apache.tools.ant.Project.executeTargets(Project.java:1264) at org.tp23.antinstaller.antmod.Main.runBuild(Main.java:710) at org.tp23.antinstaller.antmod.Main.startAnt(Main.java:218) at org.tp23.antinstaller.antmod.Launcher.run(Launcher.java:216) at org.tp23.antinstaller.runtime.exe.AntLauncherFilter.exec(AntLauncherFilter.java:79) at org.tp23.antinstaller.runtime.ExecInstall.exec(ExecInstall.java:88) at org.tp23.antinstaller.selfextract.SelfExtractor.main(SelfExtractor.java:398) Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at org.postgresql.core.PGStream.(PGStream.java:62) at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:144) … 25 more Mar 15, 2022 5:05:52 PM org.postgresql.Driver connect SEVERE: Connection error: org.postgresql.util.PSQLException: Connection to localhost:5436 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:265) at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:49) at org.postgresql.jdbc.PgConnection.(PgConnection.java:194) at org.postgresql.Driver.makeConnection(Driver.java:431) at org.postgresql.Driver.connect(Driver.java:247) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:208) at com.pega.pegarules.util.anttasks.IsDBAvailable.execute(IsDBAvailable.java:112) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292) at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99) at org.apache.tools.ant.Task.perform(Task.java:350) at org.apache.tools.ant.Target.execute(Target.java:449) at org.apache.tools.ant.Target.performTasks(Target.java:470) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1401) at org.apache.tools.ant.Project.executeTarget(Project.java:1374) at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) at org.apache.tools.ant.Project.executeTargets(Project.java:1264) at org.tp23.antinstaller.antmod.Main.runBuild(Main.java:710) at org.tp23.antinstaller.antmod.Main.startAnt(Main.java:218) at org.tp23.antinstaller.antmod.Launcher.run(Launcher.java:216) at org.tp23.antinstaller.runtime.exe.AntLauncherFilter.exec(AntLauncherFilter.java:79) at org.tp23.antinstaller.runtime.ExecInstall.exec(ExecInstall.java:88) at org.tp23.antinstaller.selfextract.SelfExtractor.main(SelfExtractor.java:398) Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at org.postgresql.core.PGStream.(PGStream.java:62) at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:144) … 25 more Mar 15, 2022 5:05:55 PM org.postgresql.Driver connect SEVERE: Connection error: org.postgresql.util.PSQLException: Connection to localhost:5436 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:265) at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:49) at org.postgresql.jdbc.PgConnection.(PgConnection.java:194) at org.postgresql.Driver.makeConnection(Driver.java:431) at org.postgresql.Driver.connect(Driver.java:247) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:208) at com.pega.pegarules.util.anttasks.IsDBAvailable.execute(IsDBAvailable.java:112) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292) at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99) at org.apache.tools.ant.Task.perform(Task.java:350) at org.apache.tools.ant.Target.execute(Target.java:449) at org.apache.tools.ant.Target.performTasks(Target.java:470) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1401) at org.apache.tools.ant.Project.executeTarget(Project.java:1374) at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) at org.apache.tools.ant.Project.executeTargets(Project.java:1264) at org.tp23.antinstaller.antmod.Main.runBuild(Main.java:710) at org.tp23.antinstaller.antmod.Main.startAnt(Main.java:218) at org.tp23.antinstaller.antmod.Launcher.run(Launcher.java:216) at org.tp23.antinstaller.runtime.exe.AntLauncherFilter.exec(AntLauncherFilter.java:79) at org.tp23.antinstaller.runtime.ExecInstall.exec(ExecInstall.java:88) at org.tp23.antinstaller.selfextract.SelfExtractor.main(SelfExtractor.java:398) Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at org.postgresql.core.PGStream.(PGStream.java:62) at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:144) … 25 more Mar 15, 2022 5:05:58 PM org.postgresql.Driver connect SEVERE: Connection error: org.postgresql.util.PSQLException: Connection to localhost:5436 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:265) at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:49) at org.postgresql.jdbc.PgConnection.(PgConnection.java:194) at org.postgresql.Driver.makeConnection(Driver.java:431) at org.postgresql.Driver.connect(Driver.java:247) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:208) at com.pega.pegarules.util.anttasks.IsDBAvailable.execute(IsDBAvailable.java:112) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292) at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99) at org.apache.tools.ant.Task.perform(Task.java:350) at org.apache.tools.ant.Target.execute(Target.java:449) at org.apache.tools.ant.Target.performTasks(Target.java:470) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1401) at org.apache.tools.ant.Project.executeTarget(Project.java:1374) at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) at org.apache.tools.ant.Project.executeTargets(Project.java:1264) at org.tp23.antinstaller.antmod.Main.runBuild(Main.java:710) at org.tp23.antinstaller.antmod.Main.startAnt(Main.java:218) at org.tp23.antinstaller.antmod.Launcher.run(Launcher.java:216) at org.tp23.antinstaller.runtime.exe.AntLauncherFilter.exec(AntLauncherFilter.java:79) at org.tp23.antinstaller.runtime.ExecInstall.exec(ExecInstall.java:88) at org.tp23.antinstaller.selfextract.SelfExtractor.main(SelfExtractor.java:398) Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at org.postgresql.core.PGStream.(PGStream.java:62) at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:144) … 25 more BUILD FAILED C:\Users\gasrinu\Downloads\117149_PE_8.7\pegaGuiInstallerTemp\build.xml:164: Unable to connect to database within 15 seconds. Total time: 2 minutes 9 seconds org.tp23.antinstaller.InstallException: Use logs to find the cause, then correct and run again at org.tp23.antinstaller.runtime.exe.AntLauncherFilter.exec(AntLauncherFilter.java:91) at org.tp23.antinstaller.runtime.ExecInstall.exec(ExecInstall.java:88) at org.tp23.antinstaller.selfextract.SelfExtractor.main(SelfExtractor.java:398) Caused by: org.tp23.antinstaller.InstallException: Use logs to find the cause, then correct and run again at org.tp23.antinstaller.runtime.exe.AntLauncherFilter.exec(AntLauncherFilter.java:81) … 2 more — Nested Exception — org.tp23.antinstaller.InstallException: Use logs to find the cause, then correct and run again at org.tp23.antinstaller.runtime.exe.AntLauncherFilter.exec(AntLauncherFilter.java:81) at org.tp23.antinstaller.runtime.ExecInstall.exec(ExecInstall.java:88) at org.tp23.antinstaller.selfextract.SelfExtractor.main(SelfExtractor.java:398)

@SrinuG95 could you check the solutions which have been suggestions in other posts on this forum?

Check that the hostname and port are correct

Check that the hostname and port are correct and that the postmaster is accepting TCP/IP connections

Getting error in installing Pega 8.5.1Personal Edition

Pega Personal Edition v8.6: Postgre not able to connect on 5432

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Connection to localhost:5432 refused.

Unable to install Pega 8.5.1 PE