{"record":{"id":"84e13cacf2999d5f","repo":"apache/beam","slug":"encountered-an-error-when-dropping-database-s-s","errorCode":null,"errorMessage":"Encountered an error when dropping database '%s': %s","messagePattern":"Encountered an error when dropping database '(.+?)': (.+?)","errorType":"exception","errorClass":"SqlUtil.newContextException","httpStatus":null,"severity":"error","filePath":"sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/CatalogSchema.java","lineNumber":158,"sourceCode":"  }\n\n  public void dropDatabase(SqlIdentifier identifier, boolean cascade, boolean ifExists) {\n    String name = SqlDdlNodes.name(identifier);\n    try {\n      LOG.info(\"Dropping database '{}'\", name);\n      boolean dropped = catalog.dropDatabase(name, cascade);\n\n      if (dropped) {\n        LOG.info(\"Successfully dropped database '{}'\", name);\n      } else if (ifExists) {\n        LOG.info(\"Database '{}' does not exist.\", name);\n      } else {\n        throw SqlUtil.newContextException(\n            identifier.getParserPosition(),\n            RESOURCE.internal(String.format(\"Database '%s' does not exist.\", name)));\n      }\n    } catch (Exception e) {\n      throw SqlUtil.newContextException(\n          identifier.getParserPosition(),\n          RESOURCE.internal(\n              format(\"Encountered an error when dropping database '%s': %s\", name, e)));\n    }\n\n    subSchemas.remove(name);\n  }\n\n  @Override\n  public @Nullable Table getTable(String s) {\n    @Nullable BeamCalciteSchema beamCalciteSchema = currentDatabase();\n    return beamCalciteSchema != null ? beamCalciteSchema.getTable(s) : null;\n  }\n\n  @Override\n  public Set<String> getTableNames() {\n    @Nullable BeamCalciteSchema beamCalciteSchema = currentDatabase();\n    return beamCalciteSchema != null ? beamCalciteSchema.getTableNames() : Collections.emptySet();","sourceCodeStart":140,"sourceCodeEnd":176,"githubUrl":"https://github.com/apache/beam/blob/12126d8942aaf848030c478b4c6a28c6af861c66/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/CatalogSchema.java#L140-L176","documentation":"Thrown by CatalogSchema.dropDatabase when the underlying catalog's drop operation throws an exception. The original exception is wrapped into a Calcite context exception with the statement's parser position and the cause embedded in the message.","triggerScenarios":"Executing `DROP DATABASE name` where catalog.dropDatabase/metaStore deletion fails: backend connectivity loss, permission denial on the metaStore, or dependent objects preventing the drop.","commonSituations":"Hive/metaStore outages during teardown, insufficient permissions to delete database metadata, network partitions between the Beam SQL shell and the catalog backend.","solutions":["Inspect the wrapped cause in the message and fix the underlying backend issue.","Verify metaStore connectivity and retry after transient failures.","Ensure the executing user has permission to drop databases in the catalog.","Check for dependent tables/databases blocking the drop."],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":"// Java: preflight permissions/connectivity\nboolean canDrop = catalog.databaseExists(name) && userHasDropPermission();\nif (canDrop) stmt.execute(\"DROP DATABASE \" + name);","typeGuard":null,"tryCatchPattern":"// Java\ncatch (SQLException e) {\n  if (e.getMessage().contains(\"Encountered an error when dropping database\")) {\n    LOG.error(\"drop failed, cause: {}\", rootCauseOf(e));\n    // retry after backend check\n  } else throw e;\n}","preventionTips":["Check metaStore connectivity before DDL teardown.","Grant drop permissions to the executing principal.","Retry with backoff on transient backend errors.","Inspect the embedded cause for dependent-object conflicts."],"tags":["sql","ddl","database","apache-beam"],"backgroundTag":"database-write-failed","analyzedSha":"12126d8942aaf848030c478b4c6a28c6af861c66","analyzedAt":"2026-09-13T01:50:10.254Z","contentChangedAt":"2026-09-13T01:50:10.254Z","schemaVersion":2},"datasetVersion":"2026-09-20T03:17:13.778Z"}