I cannot upgrade from 5.1.2 to 5.9.6 with the following error, nor do I restart my instance

[SSSDC]

Exception
com.install4j.api.beans.UndefinedVariableException installerinstallationID
at com.install4j.runtime.installer.InstallerVariables$InstallerReplacementCallback.handleError(Unknown Source)
at com.install4j.runtime.installer.InstallerVariables$InstallerReplacementCallback.getReplacement(Unknown Source)
at com.install4j.runtime.util.StringUtil.replaceVariable(Unknown Source)
at com.install4j.runtime.installer.InstallerVariables.replaceVariables(Unknown Source)
at com.install4j.runtime.installer.InstallerVariables.replaceVariables(Unknown Source)
at com.install4j.runtime.installer.InstallerVariables.replaceVariables(Unknown Source)
at com.install4j.api.beans.AbstractBean.replaceVariables(Unknown Source)
at com.install4j.runtime.beans.actions.registry.SetRegistryValueAction.getKeyName(Unknown Source)
at com.install4j.runtime.beans.actions.registry.SetRegistryValueAction$PerformedAction.init(Unknown Source)
at com.install4j.runtime.beans.actions.registry.SetRegistryValueAction.execute(Unknown Source)
at com.install4j.runtime.beans.actions.SystemInstallOrUninstallAction.install(Unknown Source)
at com.install4j.runtime.installer.InstallerContextImpl.performActionInt(Unknown Source)
at com.install4j.runtime.installer.ContextImpl.performAction(Unknown Source)
at com.install4j.runtime.installer.controller.Controller.executeActions(Unknown Source)
at com.install4j.runtime.installer.controller.Controller.handleCommand(Unknown Source)
at com.install4j.runtime.installer.controller.Controller.start(Unknown Source)
at com.install4j.runtime.installer.Installer.main(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java43)
at java.lang.reflect.Method.invoke(Method.java498)
at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
at com.exe4j.runtime.WinLauncher.main(Unknown Source)
at com.install4j.runtime.launcher.WinLauncher.main(Unknown Source)
System properties
java.runtime.name=Java(TM) SE Runtime Environment
exe4j.moduleName=DUpgradeConfluenceatlassian-confluence-5.9.7-x32.exe
exe4j.semaphoreName=d_upgradeconfluence_atlassian-confluence-5.9.7-x32.exe
sun.boot.library.path=cdocume~1admini~1locals~1tempe4j1c1c.tmp_dirjrebin
java.vm.version=25.74-b02
java.vm.vendor=Oracle Corporation
java.vendor.url=httpjava.oracle.com
exe4j.consoleCodepage=cp0
path.separator=;
java.vm.name=Java HotSpot(TM) Client VM
file.encoding.pkg=sun.io
user.country=CN
user.script=
sun.os.patch.level=Service Pack 2
install4j.exeDir=DUpgradeConfluence
java.vm.specification.name=Java Virtual Machine Specification
user.dir=CDOCUME~1ADMINI~1LOCALS~1Tempe4j1C1C.tmp_dir
java.runtime.version=1.8.0_74-b02
java.awt.graphicsenv=sun.awt.Win32GraphicsEnvironment
java.endorsed.dirs=cdocume~1admini~1locals~1tempe4j1c1c.tmp_dirjrelibendorsed
os.arch=x86
java.io.tmpdir=CDOCUME~1ADMINI~1LOCALS~1Temp
line.separator=
java.vm.specification.vendor=Oracle Corporation
user.variant=
exe4j.tempDir=CDOCUME~1ADMINI~1LOCALS~1Tempe4j1C1C.tmp_dir
os.name=Windows 2003
sun.java2d.noddraw=true
sun.jnu.encoding=GBK
java.library.path=DProgram FilesIBMWebSphere MQJavalib;DappAdministratorproduct11.2.0dbhome_1bin;CWINDOWSsystem32;CWINDOWS;CWINDOWSSystem32Wbem;Dibmjdk1.6bin;%ANT_HOMEbin;DProgram FilesIBMWebSphere MQbin;DProgram FilesIBMWebSphere MQtoolscsamplesbin;cdocume~1admini~1locals~1tempe4j1c1c.tmp_dirjrebin
sun.awt.enableExtraMouseButtons=true
java.specification.name=Java Platform API Specification
java.class.version=52.0
sun.management.compiler=HotSpot Client Compiler
exe4j.isInstall4j=true
os.version=5.2
user.home=CDocuments and SettingsAdministrator
user.timezone=AsiaShanghai
java.awt.printerjob=sun.awt.windows.WPrinterJob
file.encoding=GBK
java.specification.version=1.8
java.class.path=CDOCUME~1ADMINI~1LOCALS~1Tempe4j1C1C.tmp_diri4jruntime.jar;CDOCUME~1ADMINI~1LOCALS~1Tempe4j1C1C.tmp_diruser.jar;CDOCUME~1ADMINI~1LOCALS~1Tempe4j1C1C.tmp_dirplatform.zip;CDOCUME~1ADMINI~1LOCALS~1Tempe4j1C1C.tmp_dirusercommons-codec.jar;CDOCUME~1ADMINI~1LOCALS~1Tempe4j1C1C.tmp_dirusercommons-httpclient.jar;CDOCUME~1ADMINI~1LOCALS~1Tempe4j1C1C.tmp_dirusercommons-io.jar;CDOCUME~1ADMINI~1LOCALS~1Tempe4j1C1C.tmp_dirusercommons-logging.jar;CDOCUME~1ADMINI~1LOCALS~1Tempe4j1C1C.tmp_diruserdom4j.jar;CDOCUME~1ADMINI~1LOCALS~1Tempe4j1C1C.tmp_diruserinception.jar;CDOCUME~1ADMINI~1LOCALS~1Tempe4j1C1C.tmp_dirusermodzdetector.jar;CDOCUME~1ADMINI~1LOCALS~1Tempe4j1C1C.tmp_diruserslf4j-api.jar;CDOCUME~1ADMINI~1LOCALS~1Tempe4j1C1C.tmp_diruserslf4j-jdk14.jar;;cdocume~1admini~1locals~1tempe4j1c1c.tmp_dirjrelibdeploy.jar;cdocume~1admini~1locals~1tempe4j1c1c.tmp_dirjrelibplugin.jar
user.name=Administrator
install4j.executionMode=gui
java.vm.specification.version=1.8
sun.java.command=DUpgradeConfluenceatlassian-confluence-5.9.7-x32.exe
java.home=cdocume~1admini~1locals~1tempe4j1c1c.tmp_dirjre
sun.arch.data.model=32
exe4j.launchName=DUpgradeConfluenceatlassian-confluence-5.9.7-x32.exe
user.language=zh
java.specification.vendor=Oracle Corporation
awt.toolkit=sun.awt.windows.WToolkit
java.vm.info=mixed mode
exe4j.unextractedPosition=71615172
java.version=1.8.0_74
java.ext.dirs=cdocume~1admini~1locals~1tempe4j1c1c.tmp_dirjrelibext;CWINDOWSSunJavalibext
sun.boot.class.path=cdocume~1admini~1locals~1tempe4j1c1c.tmp_dirjrelibresources.jar;cdocume~1admini~1locals~1tempe4j1c1c.tmp_dirjrelibrt.jar;cdocume~1admini~1locals~1tempe4j1c1c.tmp_dirjrelibsunrsasign.jar;cdocume~1admini~1locals~1tempe4j1c1c.tmp_dirjrelibjsse.jar;cdocume~1admini~1locals~1tempe4j1c1c.tmp_dirjrelibjce.jar;cdocume~1admini~1locals~1tempe4j1c1c.tmp_dirjrelibcharsets.jar;cdocume~1admini~1locals~1tempe4j1c1c.tmp_dirjrelibjfr.jar;cdocume~1admini~1locals~1tempe4j1c1c.tmp_dirjreclasses
install4j.appDir=CDocuments and SettingsAdministratorLocal SettingsTemp
java.vendor=Oracle Corporation
file.separator=
java.vendor.url.bug=httpbugreport.sun.combugreport
sun.io.unicode.encoding=UnicodeLittle
sun.cpu.endian=little
sun.desktop=windows
sun.cpu.isalist=pentium_pro+mmx pentium_pro pentium+mmx pentium i486 i386 i86

[Nic Brough -Adaptavist-]

Duplicate of https://community.atlassian.com/t5/Confluence-questions/Confluence-Upgrade-from-5-1-2-to-5-9-6-failed/qaq-p/627636

[SSSDC]

I have already cleared the plugin folder and it restarted server success but the site cannot be load.