Couldn't find log associated with operation handle: OperationHandle [opType=EXECUTE_STATEMENT, getHa...

本文介绍了解决Hive操作日志记录问题的方法。通过正确配置hive-site.xml文件中的hive.server2.logging.operation.log.location属性,可以确保操作日志被正确记录。文章提供了具体的配置示例。

  这个异常的出现是因为hive-site-xml中的hive.server2.logging.operation.log.location属性未配置正确:

  修改为:

<property>
    <name>hive.server2.logging.operation.log.location</name>
    <value>D:/apache-hive-2.1.1-bin/hive/iotmp/operation_logs</value>
    <description>Top level directory where operation logs are stored if logging functionality is enabled</description>
</property>

  D:/apache-hive-2.1.1-bin/hive/iotmp需要在hadoop中进行创建配置。

转载于:https://www.cnblogs.com/lcngu/p/8523705.html

解释一下下面的代码:bool vbss_task::handle_vbss_creation_event(const sCreationEvent &create_event) { vbss::sClientVBSS client_vbss = create_event.client_vbss; sMacAddr client_mac = client_vbss.client_mac; // You cannot create a VBSS via this method while a move for this VBSSID is ongoing auto existing_move = active_moves.get(client_vbss.vbssid); if (existing_move) { LOG(ERROR) << "Could not start VBSS creation for client with MAC address " << client_mac << "! Move already in progress for VBSSID " << client_vbss.vbssid << " (From radio " << existing_move->client_vbss.current_connected_ruid << " to radio " << existing_move->dest_ruid << ")"; return false; } auto existing_creation = active_creation_events.get(client_vbss.vbssid); if (existing_creation) { LOG(ERROR) << "Could not start VBSS creation for client with MAC address " << client_mac << "! Creation already in progress for VBSSID " << client_vbss.vbssid << " on the radio with UID " << existing_creation->dest_ruid; return false; } auto agent = m_database.get_agent_by_radio_uid(client_vbss.current_connected_ruid); if (!agent) { LOG(ERROR) << "Could not start VBSS creation for client with MAC address " << client_mac << "! Could not find agent for radio uid " << client_vbss.current_connected_ruid; return false; } active_creation_events.add(client_vbss.vbssid, client_vbss, create_event.dest_ruid, create_event.ssid, create_event.password); // VBSS spec states that during a move, the Agent should process/reply to the creation request // within some time span. So, spin up a timer at this point in the move state machine. begin_timer_for_timed_event(client_vbss, VBSS_EVENT_TIMEOUT_MS); sMacAddr agent_mac = agent->al_mac; if (client_vbss.client_is_associated) { // Client is already associated, Must have the Security Context to create a VBSS if (!vbss::vbss_actions::send_client_security_ctx_request(agent_mac, client_vbss, m_database)) { LOG(ERROR) << "Could not start VBSS creation for client with MAC address " << client_mac << "! Client Security Context Request failed to send!"; return false; } return true; } // Client is not associated, just request VBSS creation if (!vbss::vbss_actions::create_vbss(client_vbss, create_event.dest_ruid, create_event.ssid, create_event.password, nullptr, m_database)) { LOG(ERROR) << "Could not start VBSS creation for client with MAC address " << client_mac << "! Create VBSS Request failed to send!"; return false; } return true; }
最新发布
08-20
<think>我们正在处理一个VBSS创建事件。函数`handle_vbss_creation_event`接收一个创建事件结构体,然后尝试为指定的客户端创建一个VBSS。以下是逐行解释: ```cpp bool vbss_task::handle_vbss_creation_event(const sCreationEvent &create_event) { // 从事件中提取客户端VBSS信息 vbss::sClientVBSS client_vbss = create_event.client_vbss; // 提取客户端MAC地址 sMacAddr client_mac = client_vbss.client_mac; // 检查当前是否已经存在针对同一VBSSID的迁移操作(避免冲突) auto existing_move = active_moves.get(client_vbss.vbssid); if (existing_move) { // 如果存在,记录错误并返回失败 LOG(ERROR) << "Could not start VBSS creation for client with MAC address " << client_mac << "! Move already in progress for VBSSID " << client_vbss.vbssid << " (From radio " << existing_move->client_vbss.current_connected_ruid << " to radio " << existing_move->dest_ruid << ")"; return false; } // 检查是否已经存在针对同一VBSSID的创建操作(避免重复创建) auto existing_creation = active_creation_events.get(client_vbss.vbssid); if (existing_creation) { LOG(ERROR) << "Could not start VBSS creation for client with MAC address " << client_mac << "! Creation already in progress for VBSSID " << client_vbss.vbssid << " on the radio with UID " << existing_creation->dest_ruid; return false; } // 根据当前连接的无线电UID,获取对应的Agent(接入点管理实体) auto agent = m_database.get_agent_by_radio_uid(client_vbss.current_connected_ruid); if (!agent) { LOG(ERROR) << "Could not start VBSS creation for client with MAC address " << client_mac << "! Could not find agent for radio uid " << client_vbss.current_connected_ruid; return false; } // 将当前创建事件添加到活跃创建事件列表中(避免重复) active_creation_events.add(client_vbss.vbssid, client_vbss, create_event.dest_ruid, create_event.ssid, create_event.password); // 启动一个定时器,用于监控VBSS创建事件是否超时 begin_timer_for_timed_event(client_vbss, VBSS_EVENT_TIMEOUT_MS); // 获取Agent的MAC地址 sMacAddr agent_mac = agent->al_mac; // 判断客户端是否已经关联到网络 if (client_vbss.client_is_associated) { // 客户端已关联:需要先获取客户端的安全上下文(密钥等信息) if (!vbss::vbss_actions::send_client_security_ctx_request(agent_mac, client_vbss, m_database)) { LOG(ERROR) << "Could not start VBSS creation for client with MAC address " << client_mac << "! Client Security Context Request failed to send!"; return false; } // 发送安全上下文请求成功,返回true(等待后续响应) return true; } // 客户端未关联:直接发送VBSS创建请求(无需安全上下文) if (!vbss::vbss_actions::create_vbss(client_vbss, create_event.dest_ruid, create_event.ssid, create_event.password, nullptr, m_database)) { LOG(ERROR) << "Could not start VBSS creation for client with MAC address " << client_mac << "! Create VBSS Request failed to send!"; return false; } // 创建请求发送成功,返回true return true; } ``` ### 关键逻辑总结: 1. **冲突检测**: - 检查同一VBSSID是否正在进行迁移(`active_moves`)或创建(`active_creation_events`),避免状态冲突。 2. **Agent验证**: - 通过当前连接的无线电UID查找Agent,确保目标设备存在。 3. **状态跟踪**: - 将创建事件加入`active_creation_events`列表,并启动超时定时器。 4. **安全上下文处理**: - **已关联客户端**:先发送安全上下文请求(`send_client_security_ctx_request`),获取密钥等安全信息。 - **未关联客户端**:直接调用`create_vbss`创建VBSS(无需安全信息)。 ### 错误处理: - 所有关键步骤失败时记录详细错误日志。 - 冲突、Agent不存在、请求发送失败等场景均返回`false`。 ### 定时机制: - `begin_timer_for_timed_event`用于监控VBSS创建流程,超时后可能触发清理或重试。 §§相关问题§§ 1. 在VBSS创建事件中,为什么需要区分客户端是否已关联?这两种情况下的处理流程有何本质区别? 2. 定时器`begin_timer_for_timed_event`在VBSS创建过程中起什么作用?超时后通常会执行哪些操作? 3. `active_moves`和`active_creation_events`这两个数据结构如何避免VBSS操作冲突?它们分别存储哪些关键信息? 4. 当客户端已关联时,发送安全上下文请求后,系统如何继续后续的VBSS创建步骤?</think>以下是对 `handle_vbss_creation_event` 函数的详细解释和逐行注释,该函数处理虚拟基本服务集(VBSS)的创建事件: ```cpp bool vbss_task::handle_vbss_creation_event(const sCreationEvent &create_event) { // 从事件中提取客户端VBSS信息 vbss::sClientVBSS client_vbss = create_event.client_vbss; // 提取客户端MAC地址 sMacAddr client_mac = client_vbss.client_mac; // 检查是否已有针对此VBSSID的迁移操作(避免冲突) auto existing_move = active_moves.get(client_vbss.vbssid); if (existing_move) { LOG(ERROR) << "无法为客户端 " << client_mac << " 创建VBSS!" << "VBSSID " << client_vbss.vbssid << " 的迁移操作正在进行中" << "(从无线电 " << existing_move->client_vbss.current_connected_ruid << " 迁移到无线电 " << existing_move->dest_ruid << ")"; return false; // 存在冲突操作,返回失败 } // 检查是否已有针对此VBSSID的创建操作(避免重复) auto existing_creation = active_creation_events.get(client_vbss.vbssid); if (existing_creation) { LOG(ERROR) << "无法为客户端 " << client_mac << " 创建VBSS!" << "VBSSID " << client_vbss.vbssid << " 的创建操作已在进行中" << "(目标无线电UID:" << existing_creation->dest_ruid << ")"; return false; // 重复操作,返回失败 } // 通过无线电UID查找关联的Agent auto agent = m_database.get_agent_by_radio_uid(client_vbss.current_connected_ruid); if (!agent) { LOG(ERROR) << "无法为客户端 " << client_mac << " 创建VBSS!" << "找不到无线电UID " << client_vbss.current_connected_ruid << " 对应的Agent"; return false; // Agent不存在,返回失败 } // 将创建事件添加到活动事件列表(跟踪状态) active_creation_events.add( client_vbss.vbssid, // VBSS标识符 client_vbss, // 客户端VBSS信息 create_event.dest_ruid, // 目标无线电UID create_event.ssid, // 网络SSID create_event.password // 网络密码 ); // 启动超时定时器(确保操作在规定时间内完成) begin_timer_for_timed_event(client_vbss, VBSS_EVENT_TIMEOUT_MS); // 获取Agent的MAC地址 sMacAddr agent_mac = agent->al_mac; // 检查客户端是否已关联网络 if (client_vbss.client_is_associated) { // 已关联客户端:需要先获取安全上下文 if (!vbss::vbss_actions::send_client_security_ctx_request(agent_mac, client_vbss, m_database)) { LOG(ERROR) << "无法为客户端 " << client_mac << " 创建VBSS!" << "安全上下文请求发送失败"; return false; // 安全请求失败 } return true; // 安全请求已发送,等待响应 } // 未关联客户端:直接创建VBSS if (!vbss::vbss_actions::create_vbss( client_vbss, // 客户端VBSS信息 create_event.dest_ruid, // 目标无线电UID create_event.ssid, // 网络SSID create_event.password, // 网络密码 nullptr, // 无安全上下文(客户端未关联) m_database)) { // 数据库引用 LOG(ERROR) << "无法为客户端 " << client_mac << " 创建VBSS!" << "创建请求发送失败"; return false; // 创建请求失败 } return true; // VBSS创建流程成功启动 } ``` ### 核心逻辑解析: 1. **冲突检测机制**: - 检查 `active_moves` 列表:防止VBSS迁移和创建操作同时进行 - 检查 `active_creation_events` 列表:避免重复创建同一VBSS - 双重检查确保操作原子性 2. **状态跟踪**: - 将新事件加入 `active_creation_events` 列表 - 启动超时定时器(`VBSS_EVENT_TIMEOUT_MS`) - 确保操作可监控和可恢复 3. **客户端状态分流**: - **已关联客户端**: * 先发送 `send_client_security_ctx_request` 获取安全密钥 * 安全上下文就绪后才触发实际创建 - **未关联客户端**: * 直接调用 `create_vbss` 创建新VBSS * 无需安全上下文参数(`nullptr`) 4. **错误处理**: - 所有关键步骤都有错误日志 - 精确定位失败原因(Agent缺失、请求发送失败等) - 立即返回避免无效状态 ### 关键设计特点: - **操作隔离**:通过 `active_moves` 和 `active_creation_events` 实现操作互斥 - **超时控制**:定时器防止操作卡死 - **状态驱动**:根据客户端关联状态(`client_is_associated`)选择分支 - **资源验证**:提前检查Agent是否存在,避免后续失败 ### 典型工作流程: 1. 接收创建请求 → 2. 检查冲突 → 3. 记录状态 → 4. 启动定时器 → 5. 按需获取安全上下文 → 6. 发送创建请求
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