Looking through the installation.log I found my Mac OS X installer (built with install4j 6.1) is throwing a NullPointerException when running the InstallFilesAction. Apparently it's trying to use AppleScript but it can't find the engine:
[ERROR] com.install4j.runtime.beans.actions.InstallFilesAction [ID 6]:
java.lang.NullPointerException
at com.install4j.runtime.installer.helper.AppleScriptHelper.initEngine(AppleScriptHelper.java:30)
at com.install4j.runtime.installer.helper.AppleScriptHelper.executeWithReturnValue(AppleScriptHelper.java:42)
at com.install4j.runtime.installer.helper.AppleScriptHelper.getRecords(AppleScriptHelper.java:21)
at com.install4j.runtime.installer.platform.macos.MacProcessHelper.addGuiProcesses(MacProcessHelper.java:104)
at com.install4j.runtime.installer.platform.macos.MacProcessHelper.getRunningProcesses(MacProcessHelper.java:81)
at com.install4j.runtime.installer.helper.RunningProcessChecker$RunningProcessThread.run(RunningProcessChecker.java:329)
javax.script.ScriptException: AppleScript engine not found
javax.script.ScriptException: AppleScript engine not found
at com.install4j.runtime.installer.helper.AppleScriptHelper.executeWithReturnValue(AppleScriptHelper.java:44)
at com.install4j.runtime.installer.helper.AppleScriptHelper.getRecords(AppleScriptHelper.java:21)
at com.install4j.runtime.installer.platform.macos.MacProcessHelper.addGuiProcesses(MacProcessHelper.java:104)
at com.install4j.runtime.installer.platform.macos.MacProcessHelper.getRunningProcesses(MacProcessHelper.java:81)
at com.install4j.runtime.installer.helper.RunningProcessChecker$RunningProcessThread.run(RunningProcessChecker.java:329)
Is there a way to fix this?
EDIT: I also reproduced this on an installer built using 6.0.4
That is a bug in the JRE that occurs on some machines. This exception means that some processes cannot be detected but it does not impact the installer otherwise.
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