Versions (relevant - OpenSearch/Dashboard/Server OS/Browser):
Describe the issue:
I am creating rollup - job able to get target index but there is no document processed into that target index from source
[2026-01-09T09:51:31,880][ERROR][o.o.i.r.RollupMetadataService] [pg-dhemeka1.ua6.gbucdsint02phx.oraclevcn.com] Error when getting initial start time for rollup [my-roll-jon]: Failed to execute phase [can_match], Partial shards failure; shardFailures {[qOpOUFQYRUijPoFKCmdRYg][metrics-resultant1][0]: RemoteTransportException[[pg-dhemeka1.ua6.gbucdsint02phx.oraclevcn.com][12.0.0.61:9300][indices:data/read/search[can_match]]]; nested: IllegalArgumentException[Rollup search must have size explicitly set to 0, but found 1]; }{[qOpOUFQYRUijPoFKCmdRYg][metrics-t][0]: RemoteTransportException[[pg-dhemeka1.ua6.gbucdsint02phx.oraclevcn.com][12.0.0.61:9300][indices:data/read/search[can_match]]]; nested: IllegalArgumentException[Rollup search must have size explicitly set to 0, but found 1]; }{[qOpOUFQYRUijPoFKCmdRYg][metrics-test][0]: RemoteTransportException[[pg-dhemeka1.ua6.gbucdsint02phx.oraclevcn.com][12.0.0.61:9300][indices:data/read/search[can_match]]]; nested: IllegalArgumentException[Rollup search must have size explicitly set to 0, but found 1]; }{[qOpOUFQYRUijPoFKCmdRYg][metrics-test-without-any-metrics][0]: RemoteTransportException[[pg-dhemeka1.ua6.gbucdsint02phx.oraclevcn.com][12.0.0.61:9300][indices:data/read/search[can_match]]]; nested: IllegalArgumentException[Rollup search must have size explicitly set to 0, but found 1];
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