janhoy commented on a change in pull request #1083: SOLR-13662: Fixes to
package manager
URL: https://github.com/apache/lucene-solr/pull/1083#discussion_r357938767
##########
File path:
solr/core/src/java/org/apache/solr/packagemanager/PackageManager.java
##########
@@ -121,25 +121,44 @@ public void close() throws IOException {
Map<String, SolrPackageInstance> ret = new HashMap<String,
SolrPackageInstance>();
for (String packageName: packages.keySet()) {
if (Strings.isNullOrEmpty(packageName) == false) { // There can be an
empty key, storing the version here
+ if (packages.get(packageName) == null) { // This means the package was
undeployed from this package before
+ continue;
+ }
ret.put(packageName, getPackageInstance(packageName,
packages.get(packageName)));
}
}
return ret;
}
+ private void ensureCollectionsExist(List<String> collections) {
+ try {
+ List<String> existingCollections = zkClient.getChildren("/collections",
null, true);
Review comment:
Use `ZkStateReader.COLLECTIONS_ZKNODE` constant for "/collections"
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