JIRA will not start after upgrade to 6.4.8

[Tom Fortenberry]

An error occurred performing JIRA upgrade

2015-07-21 15:27:37 error

Error occurred during export before upgrade: There was a problem backing up data for the null plugin.
If necessary, auto-export can be disabled; see http://www.atlassian.com/software/jira/docs/latest/upgrade/autoexport.html
com.atlassian.core.AtlassianCoreException: There was a problem backing up data for the null plugin.

the file in question that needs to be updated cannot be found. 

ltrkarkvm086:jira > locate jira-config.properties

ltrkarkvm086:jira >

can you please advise what i can do to clear this up? i was supposed to roll to production on Saturday. 

[Tom Fortenberry]

Team, i also wanted to update you with the installation error encountered as well

java.io.IOError: java.io.IOException: Input/output error
at java.io.Console.readLine(Console.java:254)
at com.install4j.runtime.installer.helper.versionspecific.Console16Access.readLine(Unknown Source)
at com.install4j.runtime.installer.helper.ConsoleImpl.readLine(Unknown Source)
at com.install4j.runtime.installer.helper.ConsoleImpl.askString(Unknown Source)
at com.install4j.runtime.beans.screens.components.InstallationDirectorySelector.handleConsole(Unknown Source)
at com.install4j.runtime.beans.screens.InstallationDirectoryScreen.handleConsole(Unknown Source)
at com.install4j.runtime.installer.frontend.headless.ConsoleScreenExecutor.handleScreen(Unknown Source)
at com.install4j.runtime.installer.frontend.headless.AbstractHeadlessScreenExecutor.execute(Unknown Source)
at com.install4j.runtime.installer.controller.Controller$1.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:749)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:702)
at java.awt.EventQueue$3.run(EventQueue.java:696)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:719)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Caused by: java.io.IOException: Input/output error
at java.io.FileInputStream.readBytes(Native Method)
at java.io.FileInputStream.read(FileInputStream.java:255)
at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284)
at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326)
at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
at java.io.Console$LineReader.read(Console.java:437)
at java.io.Console.readline(Console.java:376)
at java.io.Console.readLine(Console.java:250)