There is bug report for this https://issues.apache.org/jira/browse/SOLR-11622 which is fixed for future release.
Before running into this issue we were running 6.4.2 which did not have this bug. On Mon, Feb 26, 2018 at 9:59 AM, Terry Steichen <te...@net-frame.com> wrote: > I am using Solr 7.2.1 and trying to index (among other documents) > individual emails and collected email threats. Ideally, the indexing > would parse the email messages into their constituent fields. But, for > my purposes, an acceptable alternative is to merely index the messages a > unstructured text. > > But Solr won't let me do either. Whenever I try I get this message: > java.lang.NoClassDefFoundError: > org/apache/james/mime4j/stream/MimeConfig$Builder > > I noticed that others have encountered this error, and that there is (or > was) a bug report on it. > > I'm unsure what to do, other than forgo indexing emails. Not sure if a > patch is available, but even if it is, I don't know what to do with it. > > Alternatively, it would seem that there should be some way to instruct > Solr to stop parsing and just treat the files as pure text - but I don't > know how to do that. > > Maybe I'll just have to install an earlier Solr version that doesn't > have this bug - could someone tell me what version that might be? > > Regards, > > Terry > > > -- With Thanks & Regards Karthik Ramachandran P Please don't print this e-mail unless you really need to