Fix for CVE-2020-17519 in apache/flink (project apache__flink_CVE-2020-17519_1.11.2), commit b561010b0ee741543c3953306037f00d7a9f0801
Fixed file: flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/cluster/JobManagerCustomLogHandler.java
Fixed class: JobManagerCustomLogHandler (lines 38-53)
Fixed method: getFile (lines 53-58)
Method signature: File getFile(HandlerRequest)