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

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via GitHub by Min-Ho-Kim
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This exception has no message.
via GitHub by Minjung-Baek
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This exception has no message.
via GitHub by cheddar
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java.lang.NullPointerException:
at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:213)
at com.google.common.io.Files$FileByteSink.(Files.java:195)
at com.google.common.io.Files$FileByteSink.(Files.java:189)
at com.google.common.io.Files.asByteSink(Files.java:186)
at com.google.common.io.Files.asCharSink(Files.java:232)
at com.google.common.io.Files.write(Files.java:508)
at com.samsung.sec.dexter.executor.cli.CLIResultFile.writeJsonResultFilePrefix(CLIResultFile.java:42)
at com.samsung.sec.dexter.executor.cli.CLIAnalysisResultHandler.handleBeginnigOfResultFile(CLIAnalysisResultHandler.java:101)
at com.samsung.sec.dexter.executor.cli.CLIAnalysisResultHandler.handleAnalysisResult(CLIAnalysisResultHandler.java:64)
at com.samsung.sec.dexter.executor.DexterAnalyzerThread.run(DexterAnalyzerThread.java:102)
at com.samsung.sec.dexter.executor.DexterAnalyzer.runSync(DexterAnalyzer.java:79)
at com.samsung.sec.dexter.executor.cli.Main.analyzeSynchronously(Main.java:204)
at com.samsung.sec.dexter.executor.cli.Main.analyze(Main.java:129)
at com.samsung.sec.dexter.executor.cli.Main.main(Main.java:74)

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