java.lang.ClassCastException: java.lang.Thread cannot be cast to java.lang.Comparable

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, 1 year ago
java.lang.Thread cannot be cast to java.lang.Comparable
java.lang.ClassCastException: java.lang.Thread cannot be cast to java.lang.Comparable
at javaslang.Tuple2.compareTo(Tuple2.java:81)
at javaslang.Tuple2.compareTo(Tuple2.java:97)
at javaslang.Tuple2.compareTo(Tuple2.java:29)
at javaslang.collection.Comparators.lambda$naturalComparator$7c28a3e$1(Comparators.java:30)
at javaslang.collection.RedBlackTreeModule$Node.insert(RedBlackTree.java:656)
at javaslang.collection.RedBlackTree.insert(RedBlackTree.java:97)
at javaslang.collection.RedBlackTree.ofAll(RedBlackTree.java:84)
at javaslang.collection.TreeSet.ofAll(TreeSet.java:206)
at javaslang.collection.TreeSet.map(TreeSet.java:715)
at javaslang.collection.TreeSet.map(TreeSet.java:720)
at javaslang.collection.TreeSet.map(TreeSet.java:32)
at javaslang.collection.AbstractMultimap.lambda$iterator$9(AbstractMultimap.java:303)
at javaslang.collection.Iterator$35.hasNext(Iterator.java:1487)
at javaslang.collection.Iterator.map(Iterator.java:1578)
at javaslang.collection.Multimap.map(Multimap.java:389)

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