"Method not found:getPeer" while launching StartLookingGlass.sh

[pammismail]

I am just pasting the error that I am getting. And here is my system configuration
Mac OS Siera version 10.12, Macbook air

LT121:lookingglass praveen.lakkimsetti$ sh /Users/praveen.lakkimsetti/Downloads/LookingGlass/StartLookingGlass.sh
java.beans.IntrospectionException: Method not found: getPeer
at java.beans.PropertyDescriptor.(java.desktop@9-ea/PropertyDescriptor.java:110)
at org.gpl.JSplitButton.JSplitButtonBeanInfo.getPdescriptor(JSplitButtonBeanInfo.java:281)
at org.gpl.JSplitButton.JSplitButtonBeanInfo.getPropertyDescriptors(JSplitButtonBeanInfo.java:902)
at java.beans.Introspector.getPropertyDescriptors(java.desktop@9-ea/Introspector.java:591)
at java.beans.Introspector.getTargetPropertyInfo(java.desktop@9-ea/Introspector.java:497)
at java.beans.Introspector.getBeanInfo(java.desktop@9-ea/Introspector.java:463)
at java.beans.Introspector.getBeanInfo(java.desktop@9-ea/Introspector.java:204)
at groovy.lang.MetaClassImpl$15.run(MetaClassImpl.java:3015)
at java.security.AccessController.doPrivileged(java.base@9-ea/Native Method)
at groovy.lang.MetaClassImpl.addProperties(MetaClassImpl.java:3013)
at groovy.lang.MetaClassImpl.initialize(MetaClassImpl.java:2996)
at org.codehaus.groovy.reflection.ClassInfo.getMetaClassUnderLock(ClassInfo.java:176)
at org.codehaus.groovy.reflection.ClassInfo.getMetaClass(ClassInfo.java:192)
at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.getMetaClass(MetaClassRegistryImpl.java:255)
at org.codehaus.groovy.runtime.InvokerHelper.getMetaClass(InvokerHelper.java:806)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallConstructorSite(CallSiteArray.java:84)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallConstructor(CallSiteArray.java:57)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:182)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:190)
at com.primatest.ui.MainWindow.(MainWindow.groovy:223)
at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(java.base@9-ea/Native Method)
at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(java.base@9-ea/NativeConstructorAccessorImpl.java:62)
at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(java.base@9-ea/DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(java.base@9-ea/Constructor.java:455)
at org.codehaus.groovy.reflection.CachedConstructor.invoke(CachedConstructor.java:77)
at org.codehaus.groovy.runtime.callsite.ConstructorSite$ConstructorSiteNoUnwrapNoCoerce.callConstructor(ConstructorSite.java:102)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallConstructor(CallSiteArray.java:57)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:182)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:186)
at com.primatest.ui.MainWindow$13.run(MainWindow.groovy:745)
at java.awt.event.InvocationEvent.dispatch(java.desktop@9-ea/InvocationEvent.java:313)
at java.awt.EventQueue.dispatchEventImpl(java.desktop@9-ea/EventQueue.java:759)
at java.awt.EventQueue.access$500(java.desktop@9-ea/EventQueue.java:97)
at java.awt.EventQueue$3.run(java.desktop@9-ea/EventQueue.java:712)
at java.awt.EventQueue$3.run(java.desktop@9-ea/EventQueue.java:706)
at java.security.AccessController.doPrivileged(java.base@9-ea/Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(java.base@9-ea/ProtectionDomain.java:77)
at java.awt.EventQueue.dispatchEvent(java.desktop@9-ea/EventQueue.java:729)
at java.awt.EventDispatchThread.pumpOneEventForFilters(java.desktop@9-ea/EventDispatchThread.java:199)
at java.awt.EventDispatchThread.pumpEventsForFilter(java.desktop@9-ea/EventDispatchThread.java:124)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(java.desktop@9-ea/EventDispatchThread.java:113)
at java.awt.EventDispatchThread.pumpEvents(java.desktop@9-ea/EventDispatchThread.java:109)
at java.awt.EventDispatchThread.pumpEvents(java.desktop@9-ea/EventDispatchThread.java:101)
at java.awt.EventDispatchThread.run(java.desktop@9-ea/EventDispatchThread.java:90)
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at java.beans.Introspector.addPropertyDescriptor(java.desktop@9-ea/Introspector.java:548)
at java.beans.Introspector.addPropertyDescriptors(java.desktop@9-ea/Introspector.java:585)
at java.beans.Introspector.getTargetPropertyInfo(java.desktop@9-ea/Introspector.java:511)
at java.beans.Introspector.getBeanInfo(java.desktop@9-ea/Introspector.java:463)
at java.beans.Introspector.getBeanInfo(java.desktop@9-ea/Introspector.java:204)
at groovy.lang.MetaClassImpl$15.run(MetaClassImpl.java:3015)
at java.security.AccessController.doPrivileged(java.base@9-ea/Native Method)
at groovy.lang.MetaClassImpl.addProperties(MetaClassImpl.java:3013)
at groovy.lang.MetaClassImpl.initialize(MetaClassImpl.java:2996)
at org.codehaus.groovy.reflection.ClassInfo.getMetaClassUnderLock(ClassInfo.java:176)
at org.codehaus.groovy.reflection.ClassInfo.getMetaClass(ClassInfo.java:192)
at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.getMetaClass(MetaClassRegistryImpl.java:255)
at org.codehaus.groovy.runtime.InvokerHelper.getMetaClass(InvokerHelper.java:806)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallConstructorSite(CallSiteArray.java:84)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallConstructor(CallSiteArray.java:57)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:182)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:190)
at com.primatest.ui.MainWindow.(MainWindow.groovy:223)
at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(java.base@9-ea/Native Method)
at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(java.base@9-ea/NativeConstructorAccessorImpl.java:62)
at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(java.base@9-ea/DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(java.base@9-ea/Constructor.java:455)
at org.codehaus.groovy.reflection.CachedConstructor.invoke(CachedConstructor.java:77)
at org.codehaus.groovy.runtime.callsite.ConstructorSite$ConstructorSiteNoUnwrapNoCoerce.callConstructor(ConstructorSite.java:102)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallConstructor(CallSiteArray.java:57)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:182)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:186)
at com.primatest.ui.MainWindow$13.run(MainWindow.groovy:745)
at java.awt.event.InvocationEvent.dispatch(java.desktop@9-ea/InvocationEvent.java:313)
at java.awt.EventQueue.dispatchEventImpl(java.desktop@9-ea/EventQueue.java:759)
at java.awt.EventQueue.access$500(java.desktop@9-ea/EventQueue.java:97)
at java.awt.EventQueue$3.run(java.desktop@9-ea/EventQueue.java:712)
at java.awt.EventQueue$3.run(java.desktop@9-ea/EventQueue.java:706)
at java.security.AccessController.doPrivileged(java.base@9-ea/Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(java.base@9-ea/ProtectionDomain.java:77)
at java.awt.EventQueue.dispatchEvent(java.desktop@9-ea/EventQueue.java:729)
at java.awt.EventDispatchThread.pumpOneEventForFilters(java.desktop@9-ea/EventDispatchThread.java:199)
at java.awt.EventDispatchThread.pumpEventsForFilter(java.desktop@9-ea/EventDispatchThread.java:124)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(java.desktop@9-ea/EventDispatchThread.java:113)
at java.awt.EventDispatchThread.pumpEvents(java.desktop@9-ea/EventDispatchThread.java:109)
at java.awt.EventDispatchThread.pumpEvents(java.desktop@9-ea/EventDispatchThread.java:101)
at java.awt.EventDispatchThread.run(java.desktop@9-ea/EventDispatchThread.java:90)