DO NOT REPLY [Bug 39770] New: - ClassParser.parse() throws NullPointerException if class does not exist and ClassParser(String) constructor is used

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http://issues.apache.org/bugzilla/show_bug.cgi?id=39770

           Summary: ClassParser.parse() throws NullPointerException if class
                    does not exist and ClassParser(String) constructor is
                    used
           Product: BCEL
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: regression
          Priority: P2
         Component: Main
        AssignedTo: [email protected]
        ReportedBy: [email protected]


Reproduce:

ClassParser cp = new ClassParser("does/not/exist/Classfile.class");
JavaClass jc = cp.parse();
--> throws NullPointerException instead of FileNotFoundException

The problem is that when the constructor that accepts a string is used, the
fileOwned flag is set and parse() attempts to close the file in the finally
block. The guarded region for the finally block includes the attempt to open the
input stream, which may fail, but the finally block itself erroneously assumes
the input stream object has been created.

Previously this situation caused the method to correctly throw a
FileNotFoundException.

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