启动sysConfig报错'EM' 不是内部或外部命令，也不是可运行的程序 或批处理文件

麻烦帮忙看看，启动sysConfig时窗口报错'EM' 不是内部或外部命令，也不是可运行的程序

或批处理文件。是什么原因

C:\Users\Bao>F:\NCChome\bin\sysConfig.bat

Buildfile: F:\NCChome\bin\buildmisc.xml

BUILD FAILED

F:\NCChome\bin\buildmisc.xml:226: java.lang.UnsupportedClassVersionError: nc/bs/framework/tool/config/util/ClientInstallUtil : Unsupported major.minor version 52.0

        at java.lang.ClassLoader.defineClass1(Native Method)

        at java.lang.ClassLoader.defineClass(ClassLoader.java:800)

        at org.apache.tools.ant.AntClassLoader.defineClassFromData(AntClassLoader.java:1128)

        at org.apache.tools.ant.AntClassLoader.getClassFromStream(AntClassLoader.java:1299)

        at org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoader.java:1354)

        at org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:1315)

        at org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:1068)

        at java.lang.ClassLoader.loadClass(ClassLoader.java:358)

        at java.lang.Class.forName0(Native Method)

        at java.lang.Class.forName(Class.java:274)

        at org.apache.tools.ant.taskdefs.Definer.addDefinition(Definer.java:579)

        at org.apache.tools.ant.taskdefs.Definer.execute(Definer.java:237)

        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)

        at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

        at java.lang.reflect.Method.invoke(Method.java:606)

        at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)

        at org.apache.tools.ant.Task.perform(Task.java:348)

        at org.apache.tools.ant.Target.execute(Target.java:435)

        at org.apache.tools.ant.helper.ProjectHelper2.parse(ProjectHelper2.java:179)

        at org.apache.tools.ant.ProjectHelper.configureProject(ProjectHelper.java:93)

        at org.apache.tools.ant.Main.runBuild(Main.java:826)

        at org.apache.tools.ant.Main.startAnt(Main.java:235)

        at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)

        at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)

Total time: 0 seconds

JAVA_HOME=D:\java\jdk1.7.0_79 .

NC_HOME=F:\NCChome .

'EM' 不是内部或外部命令，也不是可运行的程序

或批处理文件。

'EM' 不是内部或外部命令，也不是可运行的程序

或批处理文件。

'EM' 不是内部或外部命令，也不是可运行的程序

或批处理文件。

'EM' 不是内部或外部命令，也不是可运行的程序

或批处理文件。

WAS_HOME=

IS_CLUSTER_INSTALL=false

WAS_PROFILE=

WAS_PROFILE=\profiles\

CALL F:\NCChome\ant\bin\ant -buildfile F:\NCChome\bin\\buildmisc.xml sysConfig -Dapp.server="uas" -DJAVA_HOME=D:\java\jdk1.7.0_79

Buildfile: F:\NCChome\bin\buildmisc.xml

BUILD FAILED

F:\NCChome\bin\buildmisc.xml:226: java.lang.UnsupportedClassVersionError: nc/bs/framework/tool/config/util/ClientInstallUtil : Unsupported major.minor version 52.0

        at java.lang.ClassLoader.defineClass1(Native Method)

        at java.lang.ClassLoader.defineClass(ClassLoader.java:800)

        at org.apache.tools.ant.AntClassLoader.defineClassFromData(AntClassLoader.java:1128)

        at org.apache.tools.ant.AntClassLoader.getClassFromStream(AntClassLoader.java:1299)

        at org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoader.java:1354)

        at org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:1315)

        at org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:1068)

        at java.lang.ClassLoader.loadClass(ClassLoader.java:358)

        at java.lang.Class.forName0(Native Method)

        at java.lang.Class.forName(Class.java:274)

        at org.apache.tools.ant.taskdefs.Definer.addDefinition(Definer.java:579)

        at org.apache.tools.ant.taskdefs.Definer.execute(Definer.java:237)

        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)

        at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

        at java.lang.reflect.Method.invoke(Method.java:606)

        at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)

        at org.apache.tools.ant.Task.perform(Task.java:348)

        at org.apache.tools.ant.Target.execute(Target.java:435)

        at org.apache.tools.ant.helper.ProjectHelper2.parse(ProjectHelper2.java:179)

        at org.apache.tools.ant.ProjectHelper.configureProject(ProjectHelper.java:93)

        at org.apache.tools.ant.Main.runBuild(Main.java:826)

        at org.apache.tools.ant.Main.startAnt(Main.java:235)

        at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)

        at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)

Total time: 0 seconds