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end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-header clickable" type="button"><!----><span class="vp-sidebar-title">快速上手</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-header clickable" type="button"><!----><span class="vp-sidebar-title">基础概念</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-header clickable" type="button"><!----><span class="vp-sidebar-title">部署与运维</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-header clickable" type="button"><!----><span class="vp-sidebar-title">使用手册</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-header clickable" type="button"><!----><span class="vp-sidebar-title">工具体系</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-header clickable" type="button"><!----><span class="vp-sidebar-title">应用编程接口</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-header clickable" type="button"><!----><span class="vp-sidebar-title">系统集成</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-header clickable" type="button"><!----><span class="vp-sidebar-title">SQL手册</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-header clickable" type="button"><!----><span class="vp-sidebar-title">FAQ</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-header clickable active" type="button"><!----><span class="vp-sidebar-title">参考</span><span class="vp-arrow down"></span></button><ul class="vp-sidebar-links"><li><a class="route-link nav-link vp-sidebar-link vp-sidebar-page" href="/zh/UserGuide/latest/Reference/UDF-Libraries.html" aria-label="UDF 函数库"><!---->UDF 函数库<!----></a></li><li><a class="route-link nav-link vp-sidebar-link vp-sidebar-page" href="/zh/UserGuide/latest/Reference/Function-and-Expression.html" aria-label="内置函数与表达式"><!---->内置函数与表达式<!----></a></li><li><a class="route-link nav-link vp-sidebar-link vp-sidebar-page" href="/zh/UserGuide/latest/Reference/Common-Config-Manual.html" aria-label="配置参数"><!---->配置参数<!----></a></li><li><a class="route-link nav-link vp-sidebar-link vp-sidebar-page" href="/zh/UserGuide/latest/Reference/ConfigNode-Config-Manual.html" aria-label="ConfigNode配置参数"><!---->ConfigNode配置参数<!----></a></li><li><a class="route-link nav-link vp-sidebar-link vp-sidebar-page" href="/zh/UserGuide/latest/Reference/DataNode-Config-Manual.html" aria-label="DataNode配置参数"><!---->DataNode配置参数<!----></a></li><li><a class="route-link nav-link active vp-sidebar-link vp-sidebar-page active" href="/zh/UserGuide/latest/Reference/Status-Codes.html" aria-label="状态码"><!---->状态码<!----></a></li><li><a class="route-link nav-link vp-sidebar-link vp-sidebar-page" href="/zh/UserGuide/latest/Reference/Keywords.html" aria-label="关键字"><!---->关键字<!----></a></li></ul></section></li></ul><!--[--><!----><!--]--></aside><!--[--><main id="main-content" class="vp-page"><!--[--><!--[--><!----><!--]--><!----><nav class="vp-breadcrumb disable"></nav><div class="vp-page-title"><h1><!---->状态码</h1><div class="page-info"><!----><!----><span class="page-date-info" aria-label="写作日期"><svg xmlns="http://www.w3.org/2000/svg" class="icon calendar-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="calendar icon"><path d="M716.4 110.137c0-18.753-14.72-33.473-33.472-33.473-18.753 0-33.473 14.72-33.473 33.473v33.473h66.993v-33.473zm-334.87 0c0-18.753-14.72-33.473-33.473-33.473s-33.52 14.72-33.52 33.473v33.473h66.993v-33.473zm468.81 33.52H716.4v100.465c0 18.753-14.72 33.473-33.472 33.473a33.145 33.145 0 01-33.473-33.473V143.657H381.53v100.465c0 18.753-14.72 33.473-33.473 33.473a33.145 33.145 0 01-33.473-33.473V143.657H180.6A134.314 134.314 0 0046.66 277.595v535.756A134.314 134.314 0 00180.6 947.289h669.74a134.36 134.36 0 00133.94-133.938V277.595a134.314 134.314 0 00-133.94-133.938zm33.473 267.877H147.126a33.145 33.145 0 01-33.473-33.473c0-18.752 14.72-33.473 33.473-33.473h736.687c18.752 0 33.472 14.72 33.472 33.473a33.145 33.145 0 01-33.472 33.473z"></path></svg><span><!----></span><meta property="datePublished" content="2023-07-10T03:11:17.000Z"></span><span class="page-pageview-info" aria-label="访问量"><svg xmlns="http://www.w3.org/2000/svg" class="icon eye-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="eye icon"><path d="M992 512.096c0-5.76-.992-10.592-1.28-11.136-.192-2.88-1.152-8.064-2.08-10.816-.256-.672-.544-1.376-.832-2.08-.48-1.568-1.024-3.104-1.6-4.32C897.664 290.112 707.104 160 512 160c-195.072 0-385.632 130.016-473.76 322.592-1.056 2.112-1.792 4.096-2.272 5.856a55.512 55.512 0 00-.64 1.6c-1.76 5.088-1.792 8.64-1.632 7.744-.832 3.744-1.568 11.168-1.568 11.168-.224 2.272-.224 4.032.032 6.304 0 0 .736 6.464 1.088 7.808.128 1.824.576 4.512 1.12 6.976h-.032c.448 2.08 1.12 4.096 1.984 6.08.48 1.536.992 2.976 1.472 4.032C126.432 733.856 316.992 864 512 864c195.136 0 385.696-130.048 473.216-321.696 1.376-2.496 2.24-4.832 2.848-6.912.256-.608.48-1.184.672-1.728 1.536-4.48 1.856-8.32 1.728-8.32l-.032.032c.608-3.104 1.568-7.744 1.568-13.28zM512 672c-88.224 0-160-71.776-160-160s71.776-160 160-160 160 71.776 160 160-71.776 160-160 160z"></path></svg><span id="ArtalkPV" class="vp-pageview waline-pageview-count" data-path="/zh/UserGuide/latest/Reference/Status-Codes.html" data-page-key="/zh/UserGuide/latest/Reference/Status-Codes.html">...</span></span><span class="page-reading-time-info" aria-label="阅读时间"><svg xmlns="http://www.w3.org/2000/svg" class="icon timer-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="timer icon"><path d="M799.387 122.15c4.402-2.978 7.38-7.897 7.38-13.463v-1.165c0-8.933-7.38-16.312-16.312-16.312H256.33c-8.933 0-16.311 7.38-16.311 16.312v1.165c0 5.825 2.977 10.874 7.637 13.592 4.143 194.44 97.22 354.963 220.201 392.763-122.204 37.542-214.893 196.511-220.2 389.397-4.661 5.049-7.638 11.651-7.638 19.03v5.825h566.49v-5.825c0-7.379-2.849-13.981-7.509-18.9-5.049-193.016-97.867-351.985-220.2-389.527 123.24-37.67 216.446-198.453 220.588-392.892zM531.16 450.445v352.632c117.674 1.553 211.787 40.778 211.787 88.676H304.097c0-48.286 95.149-87.382 213.728-88.676V450.445c-93.077-3.107-167.901-81.297-167.901-177.093 0-8.803 6.99-15.793 15.793-15.793 8.803 0 15.794 6.99 15.794 15.793 0 80.261 63.69 145.635 142.01 145.635s142.011-65.374 142.011-145.635c0-8.803 6.99-15.793 15.794-15.793s15.793 6.99 15.793 15.793c0 95.019-73.789 172.82-165.96 177.093z"></path></svg><span>大约 5 分钟</span><meta property="timeRequired" content="PT5M"></span><!----><!----></div><hr></div><!----><!--[--><!----><!--]--><div class="theme-hope-content"><h1 id="状态码" tabindex="-1"><a class="header-anchor" href="#状态码"><span>状态码</span></a></h1><p>IoTDB 引入了<strong>状态码</strong>这一概念。例如，因为 IoTDB 需要在写入数据之前首先注册时间序列，一种可能的解决方案是：</p><div class="language-text line-numbers-mode" data-ext="text" data-title="text"><pre class="language-text"><code>try {
    writeData();
} catch (SQLException e) {
  // the most case is that the time series does not exist
  if (e.getMessage().contains(&quot;exist&quot;)) {
      //However, using the content of the error message is not so efficient
      registerTimeSeries();
      //write data once again
      writeData();
  }
}

</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>利用状态码，我们就可以不必写诸如<code>if (e.getErrorMessage().contains(&quot;exist&quot;))</code>的代码，<br> 只需要使用<code>e.getStatusType().getCode() == TSStatusCode.TIME_SERIES_NOT_EXIST_ERROR.getStatusCode()</code>。</p><p>这里是状态码和相对应信息的列表：</p><table><thead><tr><th style="text-align:left;">状态码</th><th style="text-align:left;">状态类型</th><th style="text-align:left;">状态信息</th></tr></thead><tbody><tr><td style="text-align:left;">200</td><td style="text-align:left;">SUCCESS_STATUS</td><td style="text-align:left;">成功状态</td></tr><tr><td style="text-align:left;">201</td><td style="text-align:left;">INCOMPATIBLE_VERSION</td><td style="text-align:left;">版本不兼容</td></tr><tr><td style="text-align:left;">202</td><td style="text-align:left;">CONFIGURATION_ERROR</td><td style="text-align:left;">配置文件有错误项</td></tr><tr><td style="text-align:left;">203</td><td style="text-align:left;">START_UP_ERROR</td><td style="text-align:left;">启动错误</td></tr><tr><td style="text-align:left;">204</td><td style="text-align:left;">SHUT_DOWN_ERROR</td><td style="text-align:left;">关机错误</td></tr><tr><td style="text-align:left;">300</td><td style="text-align:left;">UNSUPPORTED_OPERATION</td><td style="text-align:left;">不支持的操作</td></tr><tr><td style="text-align:left;">301</td><td style="text-align:left;">EXECUTE_STATEMENT_ERROR</td><td style="text-align:left;">执行语句错误</td></tr><tr><td style="text-align:left;">302</td><td style="text-align:left;">MULTIPLE_ERROR</td><td style="text-align:left;">多行语句执行错误</td></tr><tr><td style="text-align:left;">303</td><td style="text-align:left;">ILLEGAL_PARAMETER</td><td style="text-align:left;">参数错误</td></tr><tr><td style="text-align:left;">304</td><td style="text-align:left;">OVERLAP_WITH_EXISTING_TASK</td><td style="text-align:left;">与正在执行的其他操作冲突</td></tr><tr><td style="text-align:left;">305</td><td style="text-align:left;">INTERNAL_SERVER_ERROR</td><td style="text-align:left;">服务器内部错误</td></tr><tr><td style="text-align:left;">306</td><td style="text-align:left;">DISPATCH_ERROR</td><td style="text-align:left;">分发错误</td></tr><tr><td style="text-align:left;">400</td><td style="text-align:left;">REDIRECTION_RECOMMEND</td><td style="text-align:left;">推荐客户端重定向</td></tr><tr><td style="text-align:left;">500</td><td style="text-align:left;">DATABASE_NOT_EXIST</td><td style="text-align:left;">数据库不存在</td></tr><tr><td style="text-align:left;">501</td><td style="text-align:left;">DATABASE_ALREADY_EXISTS</td><td style="text-align:left;">数据库已存在</td></tr><tr><td style="text-align:left;">502</td><td style="text-align:left;">SERIES_OVERFLOW</td><td style="text-align:left;">序列数量超过阈值</td></tr><tr><td style="text-align:left;">503</td><td style="text-align:left;">TIMESERIES_ALREADY_EXIST</td><td style="text-align:left;">时间序列已存在</td></tr><tr><td style="text-align:left;">504</td><td style="text-align:left;">TIMESERIES_IN_BLACK_LIST</td><td style="text-align:left;">时间序列正在删除</td></tr><tr><td style="text-align:left;">505</td><td style="text-align:left;">ALIAS_ALREADY_EXIST</td><td style="text-align:left;">路径别名已经存在</td></tr><tr><td style="text-align:left;">506</td><td style="text-align:left;">PATH_ALREADY_EXIST</td><td style="text-align:left;">路径已经存在</td></tr><tr><td style="text-align:left;">507</td><td style="text-align:left;">METADATA_ERROR</td><td style="text-align:left;">处理元数据错误</td></tr><tr><td style="text-align:left;">508</td><td style="text-align:left;">PATH_NOT_EXIST</td><td style="text-align:left;">路径不存在</td></tr><tr><td style="text-align:left;">509</td><td style="text-align:left;">ILLEGAL_PATH</td><td style="text-align:left;">路径不合法</td></tr><tr><td style="text-align:left;">510</td><td style="text-align:left;">CREATE_TEMPLATE_ERROR</td><td style="text-align:left;">创建物理量模板失败</td></tr><tr><td style="text-align:left;">511</td><td style="text-align:left;">DUPLICATED_TEMPLATE</td><td style="text-align:left;">元数据模板重复</td></tr><tr><td style="text-align:left;">512</td><td style="text-align:left;">UNDEFINED_TEMPLATE</td><td style="text-align:left;">元数据模板未定义</td></tr><tr><td style="text-align:left;">513</td><td style="text-align:left;">TEMPLATE_NOT_SET</td><td style="text-align:left;">元数据模板未设置</td></tr><tr><td style="text-align:left;">514</td><td style="text-align:left;">DIFFERENT_TEMPLATE</td><td style="text-align:left;">元数据模板不一致</td></tr><tr><td style="text-align:left;">515</td><td style="text-align:left;">TEMPLATE_IS_IN_USE</td><td style="text-align:left;">元数据模板正在使用</td></tr><tr><td style="text-align:left;">516</td><td style="text-align:left;">TEMPLATE_INCOMPATIBLE</td><td style="text-align:left;">元数据模板不兼容</td></tr><tr><td style="text-align:left;">517</td><td style="text-align:left;">SEGMENT_NOT_FOUND</td><td style="text-align:left;">未找到 Segment</td></tr><tr><td style="text-align:left;">518</td><td style="text-align:left;">PAGE_OUT_OF_SPACE</td><td style="text-align:left;">PBTreeFile 中 Page 空间不够</td></tr><tr><td style="text-align:left;">519</td><td style="text-align:left;">RECORD_DUPLICATED</td><td style="text-align:left;">记录重复</td></tr><tr><td style="text-align:left;">520</td><td style="text-align:left;">SEGMENT_OUT_OF_SPACE</td><td style="text-align:left;">PBTreeFile 中 segment 空间不够</td></tr><tr><td style="text-align:left;">521</td><td style="text-align:left;">PBTREE_FILE_NOT_EXISTS</td><td style="text-align:left;">PBTreeFile 不存在</td></tr><tr><td style="text-align:left;">522</td><td style="text-align:left;">OVERSIZE_RECORD</td><td style="text-align:left;">记录大小超过元数据文件页面大小</td></tr><tr><td style="text-align:left;">523</td><td style="text-align:left;">PBTREE_FILE_REDO_LOG_BROKEN</td><td style="text-align:left;">PBTreeFile 的 redo 日志损坏</td></tr><tr><td style="text-align:left;">524</td><td style="text-align:left;">TEMPLATE_NOT_ACTIVATED</td><td style="text-align:left;">元数据模板未激活</td></tr><tr><td style="text-align:left;">526</td><td style="text-align:left;">SCHEMA_QUOTA_EXCEEDED</td><td style="text-align:left;">集群元数据超过配额上限</td></tr><tr><td style="text-align:left;">527</td><td style="text-align:left;">MEASUREMENT_ALREADY_EXISTS_IN_TEMPLATE</td><td style="text-align:left;">元数据模板中已存在物理量</td></tr><tr><td style="text-align:left;">600</td><td style="text-align:left;">SYSTEM_READ_ONLY</td><td style="text-align:left;">IoTDB 系统只读</td></tr><tr><td style="text-align:left;">601</td><td style="text-align:left;">STORAGE_ENGINE_ERROR</td><td style="text-align:left;">存储引擎相关错误</td></tr><tr><td style="text-align:left;">602</td><td style="text-align:left;">STORAGE_ENGINE_NOT_READY</td><td style="text-align:left;">存储引擎还在恢复中，还不能接受读写操作</td></tr><tr><td style="text-align:left;">603</td><td style="text-align:left;">DATAREGION_PROCESS_ERROR</td><td style="text-align:left;">DataRegion 相关错误</td></tr><tr><td style="text-align:left;">604</td><td style="text-align:left;">TSFILE_PROCESSOR_ERROR</td><td style="text-align:left;">TsFile 处理器相关错误</td></tr><tr><td style="text-align:left;">605</td><td style="text-align:left;">WRITE_PROCESS_ERROR</td><td style="text-align:left;">写入相关错误</td></tr><tr><td style="text-align:left;">606</td><td style="text-align:left;">WRITE_PROCESS_REJECT</td><td style="text-align:left;">写入拒绝错误</td></tr><tr><td style="text-align:left;">607</td><td style="text-align:left;">OUT_OF_TTL</td><td style="text-align:left;">插入时间少于 TTL 时间边界</td></tr><tr><td style="text-align:left;">608</td><td style="text-align:left;">COMPACTION_ERROR</td><td style="text-align:left;">合并错误</td></tr><tr><td style="text-align:left;">609</td><td style="text-align:left;">ALIGNED_TIMESERIES_ERROR</td><td style="text-align:left;">对齐时间序列错误</td></tr><tr><td style="text-align:left;">610</td><td style="text-align:left;">WAL_ERROR</td><td style="text-align:left;">WAL 异常</td></tr><tr><td style="text-align:left;">611</td><td style="text-align:left;">DISK_SPACE_INSUFFICIENT</td><td style="text-align:left;">磁盘空间不足</td></tr><tr><td style="text-align:left;">700</td><td style="text-align:left;">SQL_PARSE_ERROR</td><td style="text-align:left;">SQL 语句分析错误</td></tr><tr><td style="text-align:left;">701</td><td style="text-align:left;">SEMANTIC_ERROR</td><td style="text-align:left;">SQL 语义错误</td></tr><tr><td style="text-align:left;">702</td><td style="text-align:left;">GENERATE_TIME_ZONE_ERROR</td><td style="text-align:left;">生成时区错误</td></tr><tr><td style="text-align:left;">703</td><td style="text-align:left;">SET_TIME_ZONE_ERROR</td><td style="text-align:left;">设置时区错误</td></tr><tr><td style="text-align:left;">704</td><td style="text-align:left;">QUERY_NOT_ALLOWED</td><td style="text-align:left;">查询语句不允许</td></tr><tr><td style="text-align:left;">705</td><td style="text-align:left;">LOGICAL_OPERATOR_ERROR</td><td style="text-align:left;">逻辑符相关错误</td></tr><tr><td style="text-align:left;">706</td><td style="text-align:left;">LOGICAL_OPTIMIZE_ERROR</td><td style="text-align:left;">逻辑优化相关错误</td></tr><tr><td style="text-align:left;">707</td><td style="text-align:left;">UNSUPPORTED_FILL_TYPE</td><td style="text-align:left;">不支持的填充类型</td></tr><tr><td style="text-align:left;">708</td><td style="text-align:left;">QUERY_PROCESS_ERROR</td><td style="text-align:left;">查询处理相关错误</td></tr><tr><td style="text-align:left;">709</td><td style="text-align:left;">MPP_MEMORY_NOT_ENOUGH</td><td style="text-align:left;">MPP 框架中任务执行内存不足</td></tr><tr><td style="text-align:left;">710</td><td style="text-align:left;">CLOSE_OPERATION_ERROR</td><td style="text-align:left;">关闭操作错误</td></tr><tr><td style="text-align:left;">711</td><td style="text-align:left;">TSBLOCK_SERIALIZE_ERROR</td><td style="text-align:left;">TsBlock 序列化错误</td></tr><tr><td style="text-align:left;">712</td><td style="text-align:left;">INTERNAL_REQUEST_TIME_OUT</td><td style="text-align:left;">MPP 操作超时</td></tr><tr><td style="text-align:left;">713</td><td style="text-align:left;">INTERNAL_REQUEST_RETRY_ERROR</td><td style="text-align:left;">内部操作重试失败</td></tr><tr><td style="text-align:left;">714</td><td style="text-align:left;">NO_SUCH_QUERY</td><td style="text-align:left;">查询不存在</td></tr><tr><td style="text-align:left;">715</td><td style="text-align:left;">QUERY_WAS_KILLED</td><td style="text-align:left;">查询执行时被终止</td></tr><tr><td style="text-align:left;">800</td><td style="text-align:left;">UNINITIALIZED_AUTH_ERROR</td><td style="text-align:left;">授权模块未初始化</td></tr><tr><td style="text-align:left;">801</td><td style="text-align:left;">WRONG_LOGIN_PASSWORD</td><td style="text-align:left;">用户名或密码错误</td></tr><tr><td style="text-align:left;">802</td><td style="text-align:left;">NOT_LOGIN</td><td style="text-align:left;">没有登录</td></tr><tr><td style="text-align:left;">803</td><td style="text-align:left;">NO_PERMISSION</td><td style="text-align:left;">没有操作权限</td></tr><tr><td style="text-align:left;">804</td><td style="text-align:left;">USER_NOT_EXIST</td><td style="text-align:left;">用户不存在</td></tr><tr><td style="text-align:left;">805</td><td style="text-align:left;">USER_ALREADY_EXIST</td><td style="text-align:left;">用户已存在</td></tr><tr><td style="text-align:left;">806</td><td style="text-align:left;">USER_ALREADY_HAS_ROLE</td><td style="text-align:left;">用户拥有对应角色</td></tr><tr><td style="text-align:left;">807</td><td style="text-align:left;">USER_NOT_HAS_ROLE</td><td style="text-align:left;">用户未拥有对应角色</td></tr><tr><td style="text-align:left;">808</td><td style="text-align:left;">ROLE_NOT_EXIST</td><td style="text-align:left;">角色不存在</td></tr><tr><td style="text-align:left;">809</td><td style="text-align:left;">ROLE_ALREADY_EXIST</td><td style="text-align:left;">角色已存在</td></tr><tr><td style="text-align:left;">810</td><td style="text-align:left;">ALREADY_HAS_PRIVILEGE</td><td style="text-align:left;">已拥有对应权限</td></tr><tr><td style="text-align:left;">811</td><td style="text-align:left;">NOT_HAS_PRIVILEGE</td><td style="text-align:left;">未拥有对应权限</td></tr><tr><td style="text-align:left;">812</td><td style="text-align:left;">CLEAR_PERMISSION_CACHE_ERROR</td><td style="text-align:left;">清空权限缓存失败</td></tr><tr><td style="text-align:left;">813</td><td style="text-align:left;">UNKNOWN_AUTH_PRIVILEGE</td><td style="text-align:left;">未知权限</td></tr><tr><td style="text-align:left;">814</td><td style="text-align:left;">UNSUPPORTED_AUTH_OPERATION</td><td style="text-align:left;">不支持的权限操作</td></tr><tr><td style="text-align:left;">815</td><td style="text-align:left;">AUTH_IO_EXCEPTION</td><td style="text-align:left;">权限模块IO异常</td></tr><tr><td style="text-align:left;">900</td><td style="text-align:left;">MIGRATE_REGION_ERROR</td><td style="text-align:left;">Region 迁移失败</td></tr><tr><td style="text-align:left;">901</td><td style="text-align:left;">CREATE_REGION_ERROR</td><td style="text-align:left;">创建 region 失败</td></tr><tr><td style="text-align:left;">902</td><td style="text-align:left;">DELETE_REGION_ERROR</td><td style="text-align:left;">删除 region 失败</td></tr><tr><td style="text-align:left;">903</td><td style="text-align:left;">PARTITION_CACHE_UPDATE_ERROR</td><td style="text-align:left;">更新分区缓存失败</td></tr><tr><td style="text-align:left;">904</td><td style="text-align:left;">CONSENSUS_NOT_INITIALIZED</td><td style="text-align:left;">共识层未初始化，不能提供服务</td></tr><tr><td style="text-align:left;">905</td><td style="text-align:left;">REGION_LEADER_CHANGE_ERROR</td><td style="text-align:left;">Region leader 迁移失败</td></tr><tr><td style="text-align:left;">906</td><td style="text-align:left;">NO_AVAILABLE_REGION_GROUP</td><td style="text-align:left;">无法找到可用的 Region 副本组</td></tr><tr><td style="text-align:left;">907</td><td style="text-align:left;">LACK_DATA_PARTITION_ALLOCATION</td><td style="text-align:left;">调用创建数据分区方法的返回结果里缺少信息</td></tr><tr><td style="text-align:left;">1000</td><td style="text-align:left;">DATANODE_ALREADY_REGISTERED</td><td style="text-align:left;">DataNode 在集群中已经注册</td></tr><tr><td style="text-align:left;">1001</td><td style="text-align:left;">NO_ENOUGH_DATANODE</td><td style="text-align:left;">DataNode 数量不足，无法移除节点或创建副本</td></tr><tr><td style="text-align:left;">1002</td><td style="text-align:left;">ADD_CONFIGNODE_ERROR</td><td style="text-align:left;">新增 ConfigNode 失败</td></tr><tr><td style="text-align:left;">1003</td><td style="text-align:left;">REMOVE_CONFIGNODE_ERROR</td><td style="text-align:left;">移除 ConfigNode 失败</td></tr><tr><td style="text-align:left;">1004</td><td style="text-align:left;">DATANODE_NOT_EXIST</td><td style="text-align:left;">此 DataNode 不存在</td></tr><tr><td style="text-align:left;">1005</td><td style="text-align:left;">DATANODE_STOP_ERROR</td><td style="text-align:left;">DataNode 关闭失败</td></tr><tr><td style="text-align:left;">1006</td><td style="text-align:left;">REMOVE_DATANODE_ERROR</td><td style="text-align:left;">移除 datanode 失败</td></tr><tr><td style="text-align:left;">1007</td><td style="text-align:left;">REGISTER_DATANODE_WITH_WRONG_ID</td><td style="text-align:left;">注册的 DataNode 中有错误的注册id</td></tr><tr><td style="text-align:left;">1008</td><td style="text-align:left;">CAN_NOT_CONNECT_DATANODE</td><td style="text-align:left;">连接 DataNode 失败</td></tr><tr><td style="text-align:left;">1100</td><td style="text-align:left;">LOAD_FILE_ERROR</td><td style="text-align:left;">加载文件错误</td></tr><tr><td style="text-align:left;">1101</td><td style="text-align:left;">LOAD_PIECE_OF_TSFILE_ERROR</td><td style="text-align:left;">加载 TsFile 片段异常</td></tr><tr><td style="text-align:left;">1102</td><td style="text-align:left;">DESERIALIZE_PIECE_OF_TSFILE_ERROR</td><td style="text-align:left;">反序列化 TsFile 片段异常</td></tr><tr><td style="text-align:left;">1103</td><td style="text-align:left;">SYNC_CONNECTION_ERROR</td><td style="text-align:left;">同步连接错误</td></tr><tr><td style="text-align:left;">1104</td><td style="text-align:left;">SYNC_FILE_REDIRECTION_ERROR</td><td style="text-align:left;">同步文件时重定向异常</td></tr><tr><td style="text-align:left;">1105</td><td style="text-align:left;">SYNC_FILE_ERROR</td><td style="text-align:left;">同步文件异常</td></tr><tr><td style="text-align:left;">1106</td><td style="text-align:left;">CREATE_PIPE_SINK_ERROR</td><td style="text-align:left;">创建 PIPE Sink 失败</td></tr><tr><td style="text-align:left;">1107</td><td style="text-align:left;">PIPE_ERROR</td><td style="text-align:left;">PIPE 异常</td></tr><tr><td style="text-align:left;">1108</td><td style="text-align:left;">PIPESERVER_ERROR</td><td style="text-align:left;">PIPE server 异常</td></tr><tr><td style="text-align:left;">1109</td><td style="text-align:left;">VERIFY_METADATA_ERROR</td><td style="text-align:left;">校验元数据失败</td></tr><tr><td style="text-align:left;">1200</td><td style="text-align:left;">UDF_LOAD_CLASS_ERROR</td><td style="text-align:left;">UDF 加载类异常</td></tr><tr><td style="text-align:left;">1201</td><td style="text-align:left;">UDF_DOWNLOAD_ERROR</td><td style="text-align:left;">无法从 ConfigNode 下载 UDF</td></tr><tr><td style="text-align:left;">1202</td><td style="text-align:left;">CREATE_UDF_ON_DATANODE_ERROR</td><td style="text-align:left;">在 DataNode 创建 UDF 失败</td></tr><tr><td style="text-align:left;">1203</td><td style="text-align:left;">DROP_UDF_ON_DATANODE_ERROR</td><td style="text-align:left;">在 DataNode 卸载 UDF 失败</td></tr><tr><td style="text-align:left;">1300</td><td style="text-align:left;">CREATE_TRIGGER_ERROR</td><td style="text-align:left;">ConfigNode 创建 Trigger 失败</td></tr><tr><td style="text-align:left;">1301</td><td style="text-align:left;">DROP_TRIGGER_ERROR</td><td style="text-align:left;">ConfigNode 删除 Trigger 失败</td></tr><tr><td style="text-align:left;">1302</td><td style="text-align:left;">TRIGGER_FIRE_ERROR</td><td style="text-align:left;">触发器执行错误</td></tr><tr><td style="text-align:left;">1303</td><td style="text-align:left;">TRIGGER_LOAD_CLASS_ERROR</td><td style="text-align:left;">触发器加载类异常</td></tr><tr><td style="text-align:left;">1304</td><td style="text-align:left;">TRIGGER_DOWNLOAD_ERROR</td><td style="text-align:left;">从 ConfigNode 下载触发器异常</td></tr><tr><td style="text-align:left;">1305</td><td style="text-align:left;">CREATE_TRIGGER_INSTANCE_ERROR</td><td style="text-align:left;">创建触发器实例异常</td></tr><tr><td style="text-align:left;">1306</td><td style="text-align:left;">ACTIVE_TRIGGER_INSTANCE_ERROR</td><td style="text-align:left;">激活触发器实例异常</td></tr><tr><td style="text-align:left;">1307</td><td style="text-align:left;">DROP_TRIGGER_INSTANCE_ERROR</td><td style="text-align:left;">删除触发器实例异常</td></tr><tr><td style="text-align:left;">1308</td><td style="text-align:left;">UPDATE_TRIGGER_LOCATION_ERROR</td><td style="text-align:left;">更新有状态的触发器所在 DataNode 异常</td></tr><tr><td style="text-align:left;">1400</td><td style="text-align:left;">NO_SUCH_CQ</td><td style="text-align:left;">CQ 任务不存在</td></tr><tr><td style="text-align:left;">1401</td><td style="text-align:left;">CQ_ALREADY_ACTIVE</td><td style="text-align:left;">CQ 任务已激活</td></tr><tr><td style="text-align:left;">1402</td><td style="text-align:left;">CQ_AlREADY_EXIST</td><td style="text-align:left;">CQ 任务已存在</td></tr><tr><td style="text-align:left;">1403</td><td style="text-align:left;">CQ_UPDATE_LAST_EXEC_TIME_ERROR</td><td style="text-align:left;">CQ 更新上一次执行时间失败</td></tr></tbody></table><blockquote><p>在最新版本中，我们重构了 IoTDB 的异常类。通过将错误信息统一提取到异常类中，并为所有异常添加不同的错误代码，从而当捕获到异常并引发更高级别的异常时，错误代码将保留并传递，以便用户了解详细的错误原因。<br> 除此之外，我们添加了一个基础异常类“ProcessException”，由所有异常扩展。</p></blockquote></div><!--[--><!----><!--]--><footer class="vp-page-meta"><div 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