Prevent a few NullPointerException Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=66400 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1917068 13f79535-47bb-0310-9956-ffa450edef68pull/624/head
@@ -136,7 +136,7 @@ public class FromHowTo { | |||
if(nextIsString && StringUtil.isNotBlank(lastContents)) { | |||
Integer idx = Integer.valueOf(lastContents); | |||
lastContents = lruCache.get(idx); | |||
if (lastContents == null && !lruCache.containsKey(idx)) { | |||
if (lastContents == null && !lruCache.containsKey(idx) && sst != null) { | |||
lastContents = sst.getItemAt(idx).getString(); | |||
lruCache.put(idx, lastContents); | |||
} |