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fix(java): ensure successful start regardless of index existence #41

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Merged
cbullinger merged 1 commit into from
Nov 14, 2025
Merged

fix(java): ensure successful start regardless of index existence #41

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19 changes: 13 additions & 6 deletions ...server/java-spring/src/main/java/com/mongodb/samplemflix/config/DatabaseVerification.java
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Original file line number Diff line number Diff line change
Expand Up @@ -138,17 +138,24 @@ private void verifyMoviesCollection() {
*/
private void createTextSearchIndex(MongoCollection<Document> moviesCollection) {
try {
// Check if the text search index already exists
boolean indexExists = false;
// Check if any text search index already exists
// MongoDB only allows one text index per collection, so we check for any text index
// not just one with our specific name
boolean textIndexExists = false;
String existingTextIndexName = null;

for (Document index : moviesCollection.listIndexes()) {
if (TEXT_INDEX_NAME.equals(index.getString("name"))) {
indexExists = true;
logger.info("Text search index '{}' already exists", TEXT_INDEX_NAME);
Document key = index.get("key", Document.class);
if (key != null && key.containsKey("_fts")) {
// _fts is the internal field MongoDB uses for text indexes
textIndexExists = true;
existingTextIndexName = index.getString("name");
logger.info("Text search index '{}' already exists on movies collection", existingTextIndexName);
break;
}
}

if (!indexExists) {
if (!textIndexExists) {
// Create compound text index on plot, title, and fullplot fields
// The background option allows the index to be built without blocking other operations
IndexOptions indexOptions = new IndexOptions()
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