ErrLookup › MyCATApache/Mycat-Server
MyCATApache/Mycat-Server
· Java · 878 source files
Analyzed at 65f8d8beb7 on 2026-09-11. 315 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
ER_PARSE_ERROR can't find (root) parent sharding node for sql:" + origSQL | error_code | error | |
| Invalid suffix | validation | error | java, parsing, configuration, duration |
| invalid route in sql, multi tables found but datanode has… | exception | error | |
ER_SYNTAX_ERROR Unsupported command | error_code | warning | help, unsupported-command, protocol |
ER_UNKNOWN_COM_ERROR Unsupported command | error_code | warning | kill-query, unsupported-command, protocol |
| fetch Param Values error. | exception | error | sequence, id-generation, null-result, storage-fetch |
| -> | exception | error | data-migration, external-process, mysql, load-data |
| Interval string does not match day-time format of 'd… | validation | error | java, parsing, interval, illegal-argument |
| Can't identify the operation of of where | exception | error | sql, mongodb, where-clause, unsupported-operator |
| Could not get field . | exception | error | reflection, field-access, serialization |
| Invalid DataSource | exception | error | connection-pool, failover, config, illegal-argument |
| can't fetch sequnce in db,sequnce | exception | critical | sequence, database, id-generation, fetch-failure |
| Cannot create by JDK serialization | exception | error | serialization, reflection, instantiation |
| Size must be specified as bytes (b), kibibytes (k)… | validation | error | number-format, config, memory-sizing |
| Can't find a valid data node for specified node index | exception | error | sharding, routing, partition, datanode, config |
| Interval day-time string was null | validation | error | java, null, interval, illegal-argument |
| like SQL error | exception | error | sql, mongodb, like-operator, regex |
| holdability not supported yet | exception | error | jdbc, mongodb, unsupported-operation, holdability |
| error,check your partitionScope definition. | validation | critical | config, sharding, partitioning |
| can't find definition for sequence | exception | error | sequence, config-error, missing-definition, mycat |
| rename old file failed for upload file | console | error | filesystem, file-rename, config-upload, permissions |
| worker Id can't be greater than | validation | error | snowflake-id, config-validation, argument-out-of-range |
| In case of slice table,there is no rule field in the… | exception | error | sql, join, sharding |
| dataHost define error,some attributes of this element is… | exception | error | configuration, xml, startup |
| Multi statements is not supported,use single statement… | exception | error | sql, routing, parser |
| SQL AST nodes type mismatch! | exception | error | mysql, sharding, type-mismatch |
| txIsolation | exception | error | postgresql, isolation, config, transaction |
| 数量与dataNode数量不符 | exception | error | sharding, configuration, mismatch |
| SelfCheck### there are some datasource connection failed… | exception | critical | network, database, connectivity, mycat, reload |
| Heap buffer | exception | error | netty, bytebuf, unsupported-operation, memory-allocation |
| not where of sql | exception | error | sql, mongodb, delete, missing-where-clause |
| [host: ] contains one root privileges user | exception | error | configuration, firewall, privileges |
| insert must provide ColumnList | exception | error | sql, insert, sharding |
| can't find existing connection,maybe fininshed | exception | error | connection-pool, datasource-lookup, failover, runtime-exception |
err.errno errMsg | exception | critical | mysql, authentication, connection, error-packet |
| outside range [ , ] | validation | error | java, interval, parsing, range-validation |
| 包含不是ER分片的表 | exception | error | er-table, batch, mixed-tables, routing, consistency |
| the max activeConnnections size can not be max than… | exception | error | connection-pool, resource-exhaustion, capacity, io-exception |
| Comparison method violates its general contract! | exception | error | sorting, comparator, timsort |
| CachePoolFactory not defined for type | exception | error | cache, configuration, runtime, mycat |
| Can't find valid data node(s) for some of specified node… | exception | error | routing, sharding, configuration, data-node |
| -> | exception | error | data-migration, external-process, mysqldump, export |
| rename file failed for upload file | console | error | filesystem, file-rename, config-upload, permissions |
| invalid param ,connection request db is | exception | error | config, schema-mismatch, datanode, validation |
| invalid readbuffer capacity ,too little buffer size | exception | error | network, buffer, protocol, nio |
| RuntimeException(e) | exception | critical | reflection, class-init, unsafe, jvm |
| writeNotSend but found connnection close err:" + this | exception | error | connection, closed-connection, nio, write |
ER_YES white host set success ,but write to file failed :" + e.getMessage() | error_code | error | manager, firewall, white-host, config-persistence |
| SelfCheck### schema dbnode is empty! | exception | error | config, startup, mycat, data-node |
| multi insert not provided | exception | error | sql, insert, unsupported-operation |
| not enough space | exception | error | nio, buffer, packet-size, network |
| can't find datanode for sharding column | exception | error | sharding, algorithm, routing |
| can't find (root) parent sharding node for sql: | exception | error | insert, child-table, parent-lookup |
| global seq and share join and special… | exception | error | jdbc, unsupported-operation, limitation, mysql |
| invalid sql | exception | error | sql, insert, routing |
| columnValue: Please check if the format satisfied. | exception | error | sharding, date-format, partition, invalid-input |
| "Sharding column can't be updated " + tableName + "->" +… | exception | error | mysql, sharding, update, partition-column |
| Function is not in right format! | exception | error | config, parsing, sharding-rule |
| joinKey not provided | exception | error | er-table, insert, join-key, child-table, missing-column |
| syntax error, illegal charset | exception | error | sql-parsing, load-data-infile, charset |
| write file err " + e | error_code | error | manager, file-upload, file-write, configuration |
| rule is not found! | exception | error | config, sharding, xml, missing-reference |
| migrate task ( ) check fail,because fromNode: ( ) and… | exception | critical | migration, data-consistency, row-count, switch |
| Sharding column can't be updated -> | exception | error | mysql, sharding, partition-key |
| Could not determine the amount of free memory. Please set… | exception | error | jvm, memory, environment |
| crc32slot_ .properties does not match schema table dataNode. | exception | error | migration, sharding, config-mismatch, crc32slot |
| global table: : is ignore! | console | warning | data-migration, global-table, mycat, config |
| mycat parse error on sql: | exception | error | sql, routing, configuration |
| Failed to create local dir in $newDir. | exception | error | java, filesystem, io, storage |
| IncrSequenceZKHandler should be loaded first! | exception | error | zookeeper, initialization-order, illegal-state |
| Unknown charsetIndex: | exception | error | mysql, charset, handshake, encoding |
| The specified MySQL Version | exception | error | configuration, version, mysql |
| can't connect to mysql server ,errmsg | exception | critical | mysql, authentication, backend-connection, error-packet |
| rule function must implements | exception | error | reflection, class-not-found, sharding, incompatible-type |
| SelfCheck### schema | exception | error | config, startup, mycat, reference-validation |
| sub table not exists for on | exception | error | sql, er-table, configuration |
| Unknown Packet! | exception | critical | mysql, protocol, handshake, connection |
| can't find cache pool | exception | error | cache, configuration, lookup, mycat |
| In subQuery,the or condition is not supported. | exception | error | sql, subquery, sharding |
| oldSchema: is not exists! | exception | error | java, configuration, data-migration, schema |
| parent key can't find valid datanode ,expect 1 but found | exception | error | sharding, er-table, insert |
| Could not invoke . | exception | error | reflection, method-invocation, setter |
| "create table from other table not supported :" + stmt | exception | error | sql, ddl, unsupported-feature, mycat |
| invalid jdbc url of | exception | error | configuration, jdbc, url |
| please check file "dnindex.properties | exception | error | java, data-migration, configuration, classpath |
| can't find class resource file | exception | critical | classpath, resource-not-found, sharding-config, startup |
| bad insert sql columnSize != valueSize:values: | exception | error | sql, insert, sharding, mycat |
| please sql:use schema before load data | exception | error | load-data, schema, precondition |
| host duplicated | exception | error | configuration, firewall, duplicate |
| please make sure the primaryKey's config is not null in… | exception | error | config, primary-key, routing |
| ConfigException wrapping cause (no message) | exception | error | config, xml, rule-loader, wrapped-exception |
| unknown status! | exception | error | state-machine, mysql, nio, protocol |
| SelfCheck### users node within the item is empty! | exception | critical | config, startup, user, mycat |
| unsupport | exception | error | prepared-statement, unsupported-type |
| Cannot construct | exception | error | reflection, instantiation, abstract-class |
| ${e} | exception | critical | jdbc, mysql, migration, sql-exception |
| : old & new partition column is not same! | exception | error | java, data-migration, sharding, configuration |
| can't find hint schema | exception | error | sql, hint, schema, routing |
| errr | exception | error | connection, connect-exception, backend, network |
| host ,user passwrod need to decrype ,but decrype password… | exception | error | java, encryption, configuration, base64 |