LUCENE-7978: Add some more documentation about setting up build envir…

…onment; merge branch 'LUCENE-7978' of https://github.com/antonmry/lucene-solr
SeaseLtd · Sep 29, 2017 · f1bb914 · f1bb914
2 parents eaa5586 + e148574
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diff --git a/README.md b/README.md
@@ -41,6 +41,14 @@ Lucene and Solr, run:
 
 `ant compile`
 
+If you see an error about Ivy missing while invoking Ant (e.g., `.ant/lib does
+not exist`), run `ant ivy-bootstrap` and retry.
+
+Sometimes you may face issues with Ivy (e.g., an incompletely downloaded artifact).
+Cleaning up the Ivy cache and retrying is a workaround for most of such issues: 
+
+`rm -rf ~/.ivy2/cache`
+
 The Solr server can then be packaged and prepared for startup by running the
 following command from the `solr/` directory:
 

diff --git a/lucene/CHANGES.txt b/lucene/CHANGES.txt
@@ -92,6 +92,9 @@ Other
 * LUCENE-7933: LongBitSet now validates the numBits parameter (Won
   Jonghoon, Mike McCandless)
 
+* LUCENE-7978: Add some more documentation about setting up build
+  environment.  (Anton R. Yuste via Uwe Schindler)
+
 ======================= Lucene 7.0.0 =======================
 
 New Features