Description
java.lang.NullPointerException
at org.apache.tika.parser.microsoft.OutlookExtractor.header(OutlookExtractor.java:150)
String value might be null - see line 51: msg.setReturnNullOnMissingChunk(true);
In my case, the message is missing the "from" chunk.
Possible fixes include assigning a default value "" for relevant chunks, if missing or a simple check for null in the header-method.