fix download URLs

Change-Id: I09a689b0aae5685ce4e7139af2c0344e00ee6f1d
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1034
Reviewed-by: Yingyi Bu <buyingyi@gmail.com>
diff --git a/_config.yml b/_config.yml
index a24ff52..90afade 100644
--- a/_config.yml
+++ b/_config.yml
@@ -3,9 +3,9 @@
 
 STABLE_VERSION: 0.8.8-incubating
 UNSTABLE_VERSION: 0.8.9-SNAPSHOT
-STABLE_DOWNLOAD_URL: "http://www.apache.org/dyn/closer.lua/asterixdb/asterix-installer-0.8.8-incubating-binary-assembly.zip"
+STABLE_DOWNLOAD_URL: "http://www.apache.org/dyn/closer.lua/asterixdb/asterixdb-0.8.8-incubating/asterix-installer-0.8.8-incubating-binary-assembly.zip"
 UNSTABLE_DOWNLOAD_URL: "https://asterix-jenkins.ics.uci.edu/job/asterix-integration-tests/lastSuccessfulBuild/org.apache.asterix$asterix-installer/artifact/org.apache.asterix/asterix-installer/0.8.9-SNAPSHOT/asterix-installer-0.8.9-SNAPSHOT-binary-assembly.zip"
-STABLE_YARN_URL: "http://www.apache.org/dyn/closer.lua/asterixdb/asterix-yarn-0.8.8-incubating-binary-assembly.zip"
+STABLE_YARN_URL: "http://www.apache.org/dyn/closer.lua/asterixdb/asterixdb-0.8.8-incubating/asterix-yarn-0.8.8-incubating-binary-assembly.zip"
 UNSTABLE_YARN_URL: "https://asterix-jenkins.ics.uci.edu/job/asterix-integration-tests/lastSuccessfulBuild/org.apache.asterix$asterix-yarn/artifact/org.apache.asterix/asterix-yarn/0.8.9-SNAPSHOT/asterix-yarn-0.8.9-SNAPSHOT-binary-assembly.zip"
 DOCS_BASE_URL: "docs"
 UNSTABLE_DOCS_BASE_URL: "https://ci.apache.org/projects/asterixdb/"