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fix ConcurrentModificationException #425

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Mar 21, 2024
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6 changes: 4 additions & 2 deletions core/src/main/java/overflowdb/ReferenceManager.java
Original file line number Diff line number Diff line change
Expand Up @@ -152,8 +152,10 @@ private void safelyClearReferences(final List<NodeRef> refsToClear) {
* useful when saving the graph
*/
public void clearAllReferences() {
nodesWriter.writeAndClearBatched(clearableRefs.spliterator(), clearableRefs.size());
logger.debug("cleared all clearable references");
synchronized (clearableRefs){
nodesWriter.writeAndClearBatched(clearableRefs.spliterator(), clearableRefs.size());
logger.debug("cleared all clearable references");
}
}

@Override
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