java.lang.ClassCastException: java.lang.Object

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via Oracle Community by 843797, 1 year ago
java.lang.ClassCastException: java.lang.Object
at undefined.DiskManager.loadData(DiskManager.java:42)
at undefined.LoadDataAction.run(LoadDataAction.java:30)
at java.lang.Thread.run(Thread.java:539)

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