Attempting to upgrade Confluence server from 6.7.1 to 6.11.1 on Windows 10 (1803).
Following instructions from here provided by Atlassian Support.
Example:
java.lang.RuntimeException: java.io.IOException: write failed
at com.install4j.runtime.installer.helper.comm.HelperCommunication.executeOther(HelperCommunication.java:323)
at com.install4j.runtime.installer.helper.comm.HelperCommunication.executeActionInt(HelperCommunication.java:258)
at com.install4j.runtime.installer.helper.comm.HelperCommunication.executeAction(HelperCommunication.java:223)
at com.install4j.runtime.installer.InstallerContextImpl.rollbackActionIntStatic(InstallerContextImpl.java:177)
at com.install4j.runtime.installer.InstallerContextImpl.rollbackActionInt(InstallerContextImpl.java:171)
at com.install4j.runtime.installer.ContextImpl.rollbackAction(ContextImpl.java:1136)
at com.install4j.runtime.installer.controller.Controller.rollbackActions(Controller.java:333)
at com.install4j.runtime.installer.controller.Controller.rollback(Controller.java:305)
at com.install4j.runtime.installer.controller.Controller.handleCommand(Controller.java:214)
at com.install4j.runtime.installer.controller.Controller.start(Controller.java:106)
at com.install4j.runtime.installer.Installer.runInProcess(Installer.java:58)
at com.install4j.runtime.installer.Installer.main(Installer.java:45)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.exe4j.runtime.LauncherEngine.launch(LauncherEngine.java:85)
at com.exe4j.runtime.WinLauncher.main(WinLauncher.java:94)
at com.install4j.runtime.launcher.WinLauncher.main(WinLauncher.java:25)
Caused by: java.io.IOException: write failed
at com.install4j.runtime.installer.helper.comm.HelperCommunication.sendObject(HelperCommunication.java:506)
at com.install4j.runtime.installer.helper.comm.HelperCommunication.executeOther(HelperCommunication.java:286)
... 18 more
According to Programs & Features, Java is not installed but we already have 6.7.1 working so I'm assuming it's not needed.
There's some other error logs as well.
Can anyone shed any light on this please?
Thanks in advance.