Possible null pointer dereference in core/src/java/org/apache/lucene/codecs/blocktree/IntersectTermsEnum.java.
at line 119. The fr.index may be NULL. This result is based on static analysis tools and the details are shown below:
It is not sure if fr.index can be NULL in runtime.
We think it is reasonable to fix it by a test if fr.index is NULL and an error handling.
Please Refer to "Trusted Operating System and System Assurance Working Group, TCA, Institute of Software, Chinese Academy of Sciences" in the acknowledgement if applicable.