eclipse - JBPM demo error; JBoss server will not start -

i trying run jbpm 6 on windows 7 computer. have downloaded installer , run ant install.demo. worked fine next step, running ant start.demo returns "build failed" followed message "jboss application server did not start within 5 minutes". weird thing worked first time ran it, froze computer. server not start. below pasted contents of boot.log found in ...\jboss-as-7.1.1.final\standalone\log. know how can started? thank you.

10:23:30,647 info  [org.jboss.modules] jboss modules version 1.1.1.ga 10:23:31,337 info  [org.jboss.msc] jboss msc version 1.0.2.ga 10:23:31,406 info  [org.jboss.as] jbas015899: jboss 7.1.1.final "brontes" starting 10:23:31,408 debug [org.jboss.as.config] configured system properties:     awt.toolkit = sun.awt.windows.wtoolkit     file.encoding = cp1252     file.encoding.pkg = sun.io     file.separator = \     java.awt.graphicsenv = sun.awt.win32graphicsenvironment     java.awt.printerjob = sun.awt.windows.wprinterjob     java.class.path = c:\users\mark\downloads\jbpm-installer\jboss-as-7.1.1.final\jboss-modules.jar     java.class.version = 52.0     java.endorsed.dirs = c:\program files\java\jdk1.8.0_05\jre\lib\endorsed     java.ext.dirs = c:\program files\java\jdk1.8.0_05\jre\lib\ext;c:\windows\sun\java\lib\ext     java.home = c:\program files\java\jdk1.8.0_05\jre     java.io.tmpdir = c:\users\mark\appdata\local\temp\     java.library.path = c:\program files\java\jdk1.8.0_05\bin;c:\windows\sun\java\bin;c:\windows\system32;c:\windows;c:\railsinstaller\ruby1.9.3\bin;c:\program files\common files\microsoft shared\microsoft online services;c:\program files (x86)\common files\microsoft shared\microsoft online services;c:\windows\system32;c:\windows;c:\windows\system32\wbem;c:\windows\system32\windowspowershell\v1.0\;c:\program files\intel\wifi\bin\;c:\program files\common files\intel\wirelesscommon\;c:\program files (x86)\microsoft sql server\100\tools\binn\;c:\program files\microsoft sql server\100\tools\binn\;c:\program files\microsoft sql server\100\dts\binn\;c:\program files (x86)\microsoft sql server\100\tools\binn\vsshell\common7\ide\;c:\program files (x86)\microsoft visual studio 9.0\common7\ide\privateassemblies\;c:\program files (x86)\microsoft sql server\100\dts\binn\;c:\program files\nodejs\;c:\program files (x86)\pdftk\bin\;c:\program files\tortoisesvn\bin;c:\progra~2\git\bin;c:\program files\tortoisegit\bin;c:\program files\apache-maven-3.1.1\bin;c:\program files (x86)\gnu\gnupg\pub;c:\jruby-1.7.10\bin;c:\tools;c:\users\mark\desktop\ansicon\x64;c:\ruby200-x64\bin;c:\ruby193\bin;c:\users\mark\appdata\roaming\npm;c:\program files (x86)\common files\shoes\0.r1514\..;c:\program files (x86)\common files\shoes\0.r1514\..;c:\program files (x86)\winant\bin;.     java.runtime.name = java(tm) se runtime environment     java.runtime.version = 1.8.0_05-b13     java.specification.name = java platform api specification     java.specification.vendor = oracle corporation     java.specification.version = 1.8     java.util.logging.manager = org.jboss.logmanager.logmanager     java.vendor = oracle corporation     java.vendor.url = http://java.oracle.com/     java.vendor.url.bug = http://bugreport.sun.com/bugreport/     java.version = 1.8.0_05     java.vm.info = mixed mode     java.vm.name = java hotspot(tm) 64-bit server vm     java.vm.specification.name = java virtual machine specification     java.vm.specification.vendor = oracle corporation     java.vm.specification.version = 1.8     java.vm.vendor = oracle corporation     java.vm.version = 25.5-b02     javax.management.builder.initial = org.jboss.as.jmx.pluggablembeanserverbuilder     javax.xml.datatype.datatypefactory = __redirected.__datatypefactory     javax.xml.parsers.documentbuilderfactory = __redirected.__documentbuilderfactory     javax.xml.parsers.saxparserfactory = __redirected.__saxparserfactory     javax.xml.stream.xmleventfactory = __redirected.__xmleventfactory     javax.xml.stream.xmlinputfactory = __redirected.__xmlinputfactory     javax.xml.stream.xmloutputfactory = __redirected.__xmloutputfactory     javax.xml.transform.transformerfactory = __redirected.__transformerfactory     javax.xml.validation.schemafactory:http://www.w3.org/2001/xmlschema = __redirected.__schemafactory     javax.xml.xpath.xpathfactory:http://java.sun.com/jaxp/xpath/dom = __redirected.__xpathfactory     jboss.bind.address = localhost     jboss.home.dir = c:\users\mark\downloads\jbpm-installer\jboss-as-7.1.1.final     jboss.host.name = thehost     jboss.modules.dir = c:\users\mark\downloads\jbpm-installer\jboss-as-7.1.1.final\modules     jboss.node.name = thehost     jboss.qualified.host.name = thehost     jboss.server.base.dir = c:\users\mark\downloads\jbpm-installer\jboss-as-7.1.1.final\standalone     jboss.server.config.dir = c:\users\mark\downloads\jbpm-installer\jboss-as-7.1.1.final\standalone\configuration     jboss.server.data.dir = c:\users\mark\downloads\jbpm-installer\jboss-as-7.1.1.final\standalone\data     jboss.server.deploy.dir = c:\users\mark\downloads\jbpm-installer\jboss-as-7.1.1.final\standalone\data\content     jboss.server.log.dir = c:\users\mark\downloads\jbpm-installer\jboss-as-7.1.1.final\standalone\log     jboss.server.name = thehost     jboss.server.temp.dir = c:\users\mark\downloads\jbpm-installer\jboss-as-7.1.1.final\standalone\tmp     line.separator =       logging.configuration = file:c:\users\mark\downloads\jbpm-installer\jboss-as-7.1.1.final\standalone/configuration/logging.properties     module.path = c:\users\mark\downloads\jbpm-installer\jboss-as-7.1.1.final\modules     org.jboss.boot.log.file = c:\users\mark\downloads\jbpm-installer\jboss-as-7.1.1.final\standalone\log\boot.log     org.kie.demo = true     org.kie.example = false     org.xml.sax.driver = __redirected.__xmlreaderfactory     os.arch = amd64     os.name = windows 7     os.version = 6.1     path.separator = ;     program.name = standalone.bat     sun.arch.data.model = 64     sun.boot.class.path = c:\program files\java\jdk1.8.0_05\jre\lib\resources.jar;c:\program files\java\jdk1.8.0_05\jre\lib\rt.jar;c:\program files\java\jdk1.8.0_05\jre\lib\sunrsasign.jar;c:\program files\java\jdk1.8.0_05\jre\lib\jsse.jar;c:\program files\java\jdk1.8.0_05\jre\lib\jce.jar;c:\program files\java\jdk1.8.0_05\jre\lib\charsets.jar;c:\program files\java\jdk1.8.0_05\jre\lib\jfr.jar;c:\program files\java\jdk1.8.0_05\jre\classes     sun.boot.library.path = c:\program files\java\jdk1.8.0_05\jre\bin     sun.cpu.endian = little     sun.cpu.isalist = amd64     sun.desktop = windows     sun.io.unicode.encoding = unicodelittle     sun.java.command = c:\users\mark\downloads\jbpm-installer\jboss-as-7.1.1.final\jboss-modules.jar -mp c:\users\mark\downloads\jbpm-installer\jboss-as-7.1.1.final\modules -jaxpmodule javax.xml.jaxp-provider org.jboss.as.standalone -djboss.home.dir=c:\users\mark\downloads\jbpm-installer\jboss-as-7.1.1.final -b localhost --server-config=standalone-full.xml -dorg.kie.demo=true -dorg.kie.example=false     sun.java.launcher = sun_standard     sun.jnu.encoding = cp1252     sun.management.compiler = hotspot 64-bit tiered compilers     sun.os.patch.level = service pack 1     user.country =     user.dir = c:\users\mark\downloads\jbpm-installer     user.home = c:\users\mark     user.language = en     user.name = mark     user.script =      user.timezone = america/new_york     user.variant =  10:23:31,448 debug [org.jboss.as.config] vm arguments: -xx:+tieredcompilation -dprogram.name=standalone.bat -xx:maxpermsize=256m -xms256m -xmx512m -dorg.jboss.boot.log.file=c:\users\mark\downloads\jbpm-installer\jboss-as-7.1.1.final\standalone\log\boot.log -dlogging.configuration=file:c:\users\mark\downloads\jbpm-installer\jboss-as-7.1.1.final\standalone/configuration/logging.properties 

`

doesn't work java 8, should use java 7