private String scheduledQueryKeyRef(ScheduledQueryKey key) {
    return key.getScheduleName() + "@" + key.getClusterNamespace();
  }
Abbreviates the error message to the given size.

There might be error messages which may also contain a stack trace.
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java