java.lang.NullPointerException
at org.refactoringminer.astDiff.matchers.ProjectASTDiffer.processRefactorings(ProjectASTDiffer.java:534)
at org.refactoringminer.astDiff.matchers.ProjectASTDiffer.process(ProjectASTDiffer.java:118)
at org.refactoringminer.astDiff.matchers.ProjectASTDiffer.makeASTDiff(ProjectASTDiffer.java:78)
at org.refactoringminer.astDiff.matchers.ProjectASTDiffer.diff(ProjectASTDiffer.java:55)
at org.refactoringminer.astDiff.matchers.ProjectASTDiffer.(ProjectASTDiffer.java:42)
https://github.com/iluwatar/java-design-patterns/commit/dd971d8c19bcf3ae8b25956ea6daed0362488cef
java.lang.NullPointerException at org.refactoringminer.astDiff.matchers.ProjectASTDiffer.processRefactorings(ProjectASTDiffer.java:534) at org.refactoringminer.astDiff.matchers.ProjectASTDiffer.process(ProjectASTDiffer.java:118) at org.refactoringminer.astDiff.matchers.ProjectASTDiffer.makeASTDiff(ProjectASTDiffer.java:78) at org.refactoringminer.astDiff.matchers.ProjectASTDiffer.diff(ProjectASTDiffer.java:55) at org.refactoringminer.astDiff.matchers.ProjectASTDiffer.(ProjectASTDiffer.java:42)