java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at com.sun.enterprise.installer.windows.actions.PostInstall_appservCore.createDomain(PostInstall_appservCore.java:844)
at com.sun.enterprise.installer.windows.actions.PostInstall_appservCore.install(PostInstall_appservCore.java:571)
at com.sun.install.products.InstallComponent.performInstallation(InstallComponent.java:1325)
at com.sun.install.products.InstallNode.startInstall(InstallNode.java:984)
at com.sun.install.products.InstallComponent.performInstallation(InstallComponent.java:1322)
at com.sun.install.products.InstallNode.startInstall(InstallNode.java:984)
at com.sun.install.products.InstallComponent.performInstallation(InstallComponent.java:1322)
at com.sun.install.products.Product.performInstallation(Product.java:653)
at com.sun.install.tasks.ProductTask.perform(ProductTask.java:191)
at com.sun.wizards.core.Sequence.perform(Sequence.java:336)
at com.sun.wizards.core.SequenceManager.run(SequenceManager.java:226)
at java.lang.Thread.run(Thread.java:595)

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