RocketMQ-5.3.1异常、原因汇总表

1

throw new RemotingCommandException("topicFilterType = [" + topicFilterType + "] value invalid", e)

CreateTopicRequestHeader.java

检查topicFilterType值是否符合枚举范围（如SINGLE_TAG、MULTI_TAG等）

2

throw new RuntimeException("this.subRemotingServer.serverBootstrap.bind().sync() InterruptedException", e)

NettyRemotingServer.java

在bind()操作中处理InterruptedException，增加重试机制或优雅退出逻辑

3

throw new RuntimeException("Failed to create SSLContext", e)

NettyRemotingClient.java

检查SSL证书路径、密码是否正确，确保JDK信任库包含相关证书

4

throw new RuntimeException("this.serverBootstrap.bind().sync() InterruptedException", e1)

ServerResponseMocker.java

测试环境中避免bind操作被中断，检查线程池配置

5

throw new MQClientException("Not found the topic stats info", null)

DefaultMQAdminExtImpl.java

确认topic已在broker创建，通过admin工具检查topic元数据

6

throw new MQClientException("Not found the producer group connection", null)

DefaultMQAdminExtImpl.java

检查生产者是否启动并成功连接到namesrv，确认group名称正确

7

throw new IllegalArgumentException("please set the option according to the format", numberFormatException)

CleanControllerBrokerMetaSubCommand.java

按指定格式（如逗号分隔的整数）设置brokerControllerIdsToClean参数

8

future.completeExceptionally(new MQBrokerException(1, "err"))

ConsumerProcessorTest.java

测试用例中模拟broker异常场景，验证消费者容错逻辑

9

ackResultFuture.completeExceptionally(new MQClientException(0, "error"))

DefaultReceiptHandleManagerTest.java

测试中完善ack逻辑，确保异常场景下资源正确释放

10

ackResultFuture.completeExceptionally(new MQClientException(0, "error"))

DefaultReceiptHandleManagerTest.java

同上，检查测试用例中error触发条件是否合理

11

ackResultFuture.completeExceptionally(new MQClientException(0, "error"))

DefaultReceiptHandleManagerTest.java

同上，优化测试断言逻辑

12

throw new RuntimeException("Failed to create SSLContext for Http2ProtocolProxyHandler", e)

Http2ProtocolProxyHandler.java

检查HTTP/2协议所需的SSL配置，确保ALPN扩展支持

13

throw new RuntimeException("Create topic to broker failed", e)

ContainerIntegrationTestBase.java

集成测试中确保broker已启动，检查topic创建权限配置

14

throw new RuntimeException("Create group to broker failed", e)

ContainerIntegrationTestBase.java

确认group名称符合命名规范，检查broker对group的权限控制

15

throw new RuntimeException("Couldn't create tmp folder", e)

ContainerIntegrationTestBase.java

检查临时目录读写权限，更换为系统默认临时目录（如/tmp）

16

throw new RuntimeException("Couldn't add slave broker", e)

ContainerIntegrationTestBase.java

检查主从broker配置一致性（如brokerIP、端口），确保网络互通

17

throw new AuthorizationException("create Acl to RocksDB failed.", e)

LocalAuthorizationMetadataProvider.java

检查RocksDB数据库路径权限，确保Acl数据格式正确

18

throw new AuthorizationException("delete Acl from RocksDB failed.", e)

LocalAuthorizationMetadataProvider.java

删除前检查Acl记录是否存在，处理RocksDB并发操作冲突

19

throw new AuthorizationException("update Acl to RocksDB failed.", e)

LocalAuthorizationMetadataProvider.java

确保更新的Acl数据主键存在，处理RocksDB事务提交失败场景

20

throw new AuthorizationException("get Acl from RocksDB failed.", e)

LocalAuthorizationMetadataProvider.java

检查查询的Acl主键是否正确，处理RocksDB连接超时问题

21

throw new AuthorizationException("User:{} not found.", user.getUsername())

UserAuthorizationHandler.java

验证用户名是否存在于认证系统中，检查用户同步状态

22

throw new AuthenticationException("User:{} is disabled.", user.getUsername())

UserAuthorizationHandler.java

在管理界面启用被禁用用户，或检查用户状态同步逻辑

23

throw new AuthorizationException("The subject of {} is not exist.", acl.getSubject().getSubjectKey())

AuthorizationMetadataManagerImpl.java

确认Acl主题已创建，检查主题密钥格式是否正确

24

throw new AuthorizationException("The subject of {} is not exist.", acl.getSubject().getSubjectKey())

AuthorizationMetadataManagerImpl.java

同上，检查主题元数据是否已同步到授权系统

25

throw new AuthorizationException("parse authorization context error.", t)

DefaultAuthorizationContextBuilder.java

检查授权上下文JSON格式，修复解析逻辑中的异常处理

26

throw new RuntimeException("Failed to load the authorization provider.", e)

AuthorizationFactory.java

检查授权提供者类路径是否正确，确保依赖包已引入

27

throw new RuntimeException("Failed to load the authorization metadata provider.", e)

AuthorizationFactory.java

确认元数据提供者配置正确，处理初始化时的异常

28

throw new AuthorizationException("The request of {} is not support.", context.getClass().getSimpleName())

StatefulAuthorizationStrategy.java

更新授权策略以支持该请求类型，或限制不支持的请求访问

29

throw new AuthorizationException("Authorization failed. Please verify your access rights and try again.", exception)

AbstractAuthorizationStrategy.java

检查用户权限配置，确保包含该操作所需的权限项

30

throw new AuthenticationException("create user to RocksDB failed", e)

LocalAuthenticationMetadataProvider.java

检查用户数据格式，确保RocksDB有足够空间存储新用户

31

throw new AuthenticationException("delete user from RocksDB failed", e)

LocalAuthenticationMetadataProvider.java

删除前验证用户是否存在，处理RocksDB锁冲突

32

throw new AuthenticationException("update user to RocksDB failed", e)

LocalAuthenticationMetadataProvider.java

确保用户数据版本一致性，处理并发更新冲突

33

throw new AuthenticationException("Get user from RocksDB failed.", e)

LocalAuthenticationMetadataProvider.java

检查用户名是否正确，处理RocksDB读取超时问题

34

throw new AuthenticationException("User:{} is not found.", context.getUsername())

DefaultAuthenticationHandler.java

验证用户名正确性，检查用户数据同步状态

35

throw new AuthenticationException("User:{} is disabled.", context.getUsername())

DefaultAuthenticationHandler.java

启用用户账号，或提示用户联系管理员解锁

36

throw new AuthenticationException("Init authentication user error.", e)

AuthenticationMetadataManagerImpl.java

检查初始化用户数据的SQL脚本或配置文件，修复数据格式错误

37

throw new AuthenticationException("Init inner client authentication credentials error", e)

AuthenticationMetadataManagerImpl.java

确认内部客户端凭证文件存在且格式正确

38

throw new AuthenticationException("User:{} is not found", username)

AuthenticationMetadataManagerImpl.java

检查用户查询逻辑，确保用户名大小写敏感处理正确

39

throw new AuthenticationException("create authentication context error.", e)

DefaultAuthenticationContextBuilder.java

修复上下文创建逻辑中的空指针或格式错误

40

throw new RuntimeException("Failed to load the authentication provider.", e)

AuthenticationFactory.java

检查认证提供者类是否实现了指定接口，处理类加载异常

41

throw new RuntimeException("Failed to load the authentication metadata provider", e)

AuthenticationFactory.java

确认元数据提供者配置路径正确，处理IO异常

42

throw new AuthenticationException("The request of {} is not support.", context.getClass().getSimpleName())

StatefulAuthenticationStrategy.java

扩展认证策略以支持新请求类型，或返回明确的不支持提示

43

throw new AuthenticationException("Authentication failed. Please verify the credentials and try again.", exception)

AbstractAuthenticationStrategy.java

检查用户名密码是否正确，处理密码加密/解密逻辑错误

44

throw new RemotingCommandException("Failed to decode RegisterBrokerBody", e)

DefaultRequestProcessor.java

检查RegisterBrokerBody的序列化格式，确保与broker版本兼容

45

final Throwable exception = new OMSRuntimeException("-1", "Test Error")

DefaultPromiseTest.java

测试用例中模拟异常场景，验证Promise异常处理逻辑

46

final Throwable exception = new OMSRuntimeException("-1", "Test Error")

DefaultPromiseTest.java

同上，优化测试断言信息

47

Throwable exception = new OMSRuntimeException("-1", "Test Error")

DefaultPromiseTest.java

同上，确保测试覆盖率

48

throw new OMSNotSupportedException("-1", "ResourceManager is not supported in current version.")

MessagingAccessPointImpl.java

升级到支持ResourceManager的版本，或使用替代功能

49

throw new OMSRuntimeException("-1", "OMS AccessPoints is null or empty.")

AbstractOMSProducer.java

配置有效的OMS AccessPoints地址，确保不为空或空字符串

50

throw new OMSRuntimeException("-1", e)

AbstractOMSProducer.java

捕获并处理底层异常（如网络异常），返回更具体的错误信息

51

return new OMSTimeOutException("-1", String.format("Send message to broker timeout, %dms, Topic=%s, msgId=%s", this.rocketmqProducer.getSendMsgTimeout(), topic, msgId), e)

AbstractOMSProducer.java

增加sendMsgTimeout配置，优化broker处理速度，或减少消息大小

52

return new OMSRuntimeException("-1", String.format("Received a broker exception, Topic=%s, msgId=%s, %s", topic, msgId, brokerException.getErrorMessage()), e)

AbstractOMSProducer.java

根据broker异常信息修复（如topic不存在则创建，权限不足则申请权限）

53

return new OMSRuntimeException("-1", String.format("Network connection experiences failures. Topic=%s, msgId=%s, %s", topic, msgId, connectException.getMessage()))

AbstractOMSProducer.java

检查网络连接，修复DNS解析问题，增加重试机制

54

return new OMSRuntimeException("-1", String.format("Topic does not exist, Topic=%s, msgId=%s", topic, msgId), e)

AbstractOMSProducer.java

先创建topic再发送消息，或配置自动创建topic功能

55

return new OMSMessageFormatException("-1", String.format("A illegal message for RocketMQ, Topic=%s, msgId=%s", topic, msgId), e)

AbstractOMSProducer.java

检查消息格式（如属性、body大小），确保符合RocketMQ要求

56

return new OMSRuntimeException("-1", "Send message to RocketMQ broker failed.", e)

AbstractOMSProducer.java

综合检查broker状态、网络、消息格式，查看broker日志定位原因

57

throw new OMSNotSupportedException("-1", "Only BytesMessage is supported.")

AbstractOMSProducer.java

将消息转换为BytesMessage类型，确保符合格式要求

58

throw new OMSRuntimeException("-1", "Send message to RocketMQ broker failed.")

ProducerImpl.java

检查生产者配置（如namesrv地址），确保连接正常

59

throw new OMSRuntimeException("-1", e)

DefaultPromise.java

捕获底层异常并封装，提供更友好的错误提示

60

throw new OMSRuntimeException("-1", "OMS AccessPoints is null or empty.")

PushConsumerImpl.java

配置有效的OMS AccessPoints，确保消费者初始化参数正确

61

throw new OMSRuntimeException("-1", "Consumer Group is necessary for RocketMQ, please set it.")

PushConsumerImpl.java

设置有效的Consumer Group名称，确保符合命名规范

62

throw new OMSRuntimeException("-1", String.format("RocketMQ push consumer can't attach to %s.", queueName))

PushConsumerImpl.java

检查queueName是否存在，确认消费者对该队列有访问权限

63

throw new OMSRuntimeException("-1", String.format("RocketMQ push consumer fails to unsubscribe topic: %s", queueName))

PushConsumerImpl.java

确认unsubscribe前已订阅该topic，处理并发 unsubscribe 冲突

64

throw new OMSRuntimeException("-1", e)

PushConsumerImpl.java

捕获并处理消费者内部异常（如线程池满），增加监控告警

65

throw new OMSRuntimeException("-1", String.format("The topic/queue %s isn't attached to this consumer", rmqMsg.getTopic()))

PushConsumerImpl.java

确保消费者已订阅该topic，检查消息路由是否正确

66

throw new OMSRuntimeException("-1", "Consumer Group is necessary for RocketMQ, please set it.")

PullConsumerImpl.java

为PullConsumer设置有效的Consumer Group

67

throw new OMSRuntimeException("-1", "OMS AccessPoints is null or empty.")

PullConsumerImpl.java

配置非空的OMS AccessPoints地址

68

throw new OMSRuntimeException("-1", e)

PullConsumerImpl.java

处理拉取消息时的异常（如offset无效），增加重试逻辑

69

throw new OMSMessageFormatException("", "Cannot assign byte[] to " + type.getName())

BytesMessageImpl.java

确保消息体类型与赋值类型一致，增加类型转换校验

70

throw new RuntimeException("Couldn't create tmp folder", e)

BrokerContainerStartupTest.java

测试环境中确保/tmp目录可写，或指定自定义临时目录

71

throw new RuntimeException("Couldn't create tmp folder", e)

BrokerContainerTest.java

同上，检查测试用例中的目录权限设置

72

throw new RuntimeException("get local inet address fail", e)

MixAll.java

检查网络接口配置，确保至少有一个可用的本地IP地址

73

throw new RuntimeException("Can not get local ip", e)

UtilAll.java

修复本地IP获取逻辑，处理多网卡场景下的IP选择

74

throw new MQFilterException("Invalid MessageSelector. ", e)

SelectorParser.java

检查MessageSelector语法（如SQL92表达式），修复解析错误

75

doThrow(new MQClientException("checkClientInBroker exception", null)).when(mQClientAPIImpl).checkClientInBroker(

MQClientInstanceTest.java

测试用例中模拟checkClientInBroker异常，验证容错逻辑

76

doThrow(new RemotingException("", null))

RemoteBrokerOffsetStoreTest.java

测试中模拟远程调用异常，验证offset存储的异常处理

77

throw new MQClientException("the specified group is blank", null)

Validators.java

确保group名称不为空或空白字符串，增加参数校验

78

throw new MQClientException("the specified group is longer than group max length 255.", null)

Validators.java

缩短group名称至255字符以内，符合命名规范

79

throw new MQClientException("The specified topic is blank", null)

Validators.java

确保topic名称不为空，增加创建topic时的非空校验

80

exception = new MQClientException("create topic to broker exception", e)

MQAdminImpl.java

检查创建topic的参数（如queue数），确保broker有足够资源

81

throw new MQClientException("create new topic failed", e)

MQAdminImpl.java

查看broker日志定位创建失败原因（如权限、磁盘满）

82

throw new MQClientException("Invoke Broker[" + brokerAddr + "] exception", e)

MQAdminImpl.java

检查brokerAddr是否可达，处理网络超时或broker宕机

83

throw new MQClientException("The broker[" + mq.getBrokerName() + "] not exist", null)

MQAdminImpl.java

确认broker已注册到namesrv，检查brokerName是否正确

84

throw new MQClientException("Invoke Broker[" + brokerAddr + "] exception", e)

MQAdminImpl.java

同上，增加broker健康检查机制

85

throw new MQClientException("The broker[" + mq.getBrokerName() + "] not exist", null)

MQAdminImpl.java

同上，处理broker下线场景的容错

86

throw new MQClientException("Invoke Broker[" + brokerAddr + "] exception", e)

MQAdminImpl.java

同上，优化远程调用超时设置

87

throw new MQClientException("The broker[" + mq.getBrokerName() + "] not exist", null)

MQAdminImpl.java

同上，从namesrv重新获取broker列表

88

throw new MQClientException("Invoke Broker[" + brokerAddr + "] exception", e)

MQAdminImpl.java

同上，增加重试机制

89

throw new MQClientException("The broker[" + mq.getBrokerName() + "] not exist", null)

MQAdminImpl.java

同上，更新本地broker路由缓存

90

MQClientException ex = new MQClientException("send request failed", throwable)

MQClientAPIImpl.java

检查请求参数和序列化格式，处理网络波动导致的发送失败

91

MQClientException ex = new MQClientException("unknown reason", throwable)

MQClientAPIImpl.java

增强异常日志，记录详细上下文信息以定位未知原因

92

throw new MQClientException("producerGroup can not equal " + MixAll.DEFAULT_PRODUCER_GROUP + ", please specify another one.", null)

DefaultMQProducerImpl.java

自定义producerGroup名称，避免使用默认值DEFAULT_PRODUCER_GROUP

93

throw new MQClientException("executor rejected ", e)

DefaultMQProducerImpl.java

增大生产者线程池容量，或优化消息发送速率

94

throw new MQClientException("select message queue threw exception.", e)

DefaultMQProducerImpl.java

修复队列选择算法中的异常（如空指针），增加队列状态检查

95

throw new MQClientException("select message queue return null.", null)

DefaultMQProducerImpl.java

确保topic有可用队列，处理broker全部下线场景

96

throw new MQClientException("The broker[" + brokerName + "] not exist", null)

DefaultMQProducerImpl.java

从namesrv刷新broker列表，确认broker是否已下线

97

throw new MQClientException("unknown exception", e)

DefaultMQProducerImpl.java

捕获并处理未知异常，记录详细日志以便排查

98

throw new MQClientException("message's topic not equal mq's topic", null)

DefaultMQProducerImpl.java

确保消息topic与目标队列topic一致，修复路由逻辑错误

99

throw new MQClientException("Topic of the message does not match its target message queue", null)

DefaultMQProducerImpl.java

同上，增加消息与队列topic一致性校验

100

throw new MQClientException("unknown exception", e)

DefaultMQProducerImpl.java

同上，增强异常监控告警

101

throw new MQClientException("unknown exception", e)

DefaultMQProducerImpl.java

同上，优化异常处理逻辑

102

throw new MQClientException("select message queue threw exception.", e)

DefaultMQProducerImpl.java

同上，修复队列选择逻辑中的异常

103

throw new MQClientException("select message queue return null.", null)

DefaultMQProducerImpl.java

同上，增加队列自动创建机制（如配置允许自动创建）

104

throw new MQClientException("unknown exception", e)

DefaultMQProducerImpl.java

同上，升级客户端版本修复已知bug

105

throw new MQClientException("unknown exception", e)

DefaultMQProducerImpl.java

同上，增加分布式追踪定位问题

106

throw new MQClientException("tranExecutor is null", null)

DefaultMQProducerImpl.java

初始化事务消息生产者时指定tranExecutor，确保不为空

107

throw new MQClientException("send message Exception", e)

DefaultMQProducerImpl.java

综合检查消息发送各环节，处理序列化、网络等异常

108

throw new MQClientException("send request message to <" + msg.getTopic() + "> fail", requestResponseFuture.getCause());

DefaultMQProducerImpl.java

检查请求消息格式，确保broker支持该类型请求

109

throw new MQClientException("subscribe exception", e)

DefaultLitePullConsumerImpl.java

修复订阅逻辑中的异常（如过滤表达式错误），增加重试

110

throw new MQClientException("subscribe exception", e)

DefaultLitePullConsumerImpl.java

同上，检查topic是否存在

111

throw new MQClientException("subscribe exception", e)

DefaultLitePullConsumerImpl.java

同上，处理并发订阅冲突

112

throw new MQClientException("Fetch consume offset from broker exception", null)

DefaultLitePullConsumerImpl.java

检查offset存储配置，修复从broker获取offset的逻辑

113

throw new MQClientException("mq is null", null)

DefaultLitePullConsumerImpl.java

确保MessageQueue不为空，增加参数校验

114

throw new MQClientException("offset < 0", null)

DefaultLitePullConsumerImpl.java

确保设置的offset为非负值，增加边界校验

115

throw new MQClientException("maxNums <= 0", null)

DefaultLitePullConsumerImpl.java

设置maxNums为正数（如1-32），符合拉取数量限制

116

throw new MQClientException("Topic or listener is null", null)

DefaultLitePullConsumerImpl.java

确保订阅时topic和listener均不为空，增加非空校验

117

throw new MQClientException("The topic[" + topic + "] not exist", null)

DefaultMQPushConsumerImpl.java

先创建topic再订阅，或配置broker自动创建topic

118

throw new MQClientException("The broker[" + desBrokerName + "] not exist", null)

DefaultMQPushConsumerImpl.java

从namesrv更新broker列表，确认目标broker是否在线

119

throw new MQClientException("subscription exception", e)

DefaultMQPushConsumerImpl.java

修复订阅逻辑异常，如过滤表达式解析错误

120

throw new MQClientException("subscription exception", e)

DefaultMQPushConsumerImpl.java

同上，处理并发订阅冲突

121

throw new MQClientException("subscription exception", e)

DefaultMQPushConsumerImpl.java

同上，检查订阅权限

122

throw new MQClientException("subscription exception", e)

DefaultMQPushConsumerImpl.java

同上，增加重试机制

123

throw new MQClientException("mq is null", null)

DefaultMQPullConsumerImpl.java

确保MessageQueue参数不为空，增加校验

124

throw new MQClientException("parse subscription error", e)

DefaultMQPullConsumerImpl.java

修复订阅表达式解析逻辑，支持正确的语法格式

125

throw new MQClientException("mq is null", null)

DefaultMQPullConsumerImpl.java

同上，检查参数传递是否正确

126

throw new MQClientException("parse subscription error", e)

DefaultMQPullConsumerImpl.java

同上，增加表达式语法校验

127

throw new MQClientException("mq is null", null)

DefaultMQPullConsumerImpl.java

同上，完善参数校验逻辑

128

throw new MQClientException("offset < 0", null)

DefaultMQPullConsumerImpl.java

确保offset为非负值，处理负数输入场景

129

throw new MQClientException("maxNums <= 0", null)

DefaultMQPullConsumerImpl.java

设置maxNums为正数，符合拉取数量限制

130

throw new MQClientException("maxSizeInBytes <= 0", null)

DefaultMQPullConsumerImpl.java

确保maxSizeInBytes为正数，合理设置拉取大小

131

throw new MQClientException("pullCallback is null", null)

DefaultMQPullConsumerImpl.java

异步拉取时指定非空的pullCallback，确保回调逻辑存在

132

throw new MQClientException("pullAsync unknow exception", e)

DefaultMQPullConsumerImpl.java

捕获并处理异步拉取的未知异常，记录详细日志

133

throw new MQClientException("subscription exception", e)

DefaultMQPullConsumerImpl.java

修复订阅逻辑异常，增加重试机制

134

throw new MQClientException("The broker[" + mq.getBrokerName() + ", ")

PullAPIWrapper.java

检查broker名称和地址是否正确，确保网络可达

135

throw new MQClientException("The broker[" + mq.getBrokerName() + "] not exist", null)

PullAPIWrapper.java

从namesrv刷新broker列表，处理broker下线场景

136

throw new MQClientException("The broker[" + mq.getBrokerName() + "] not exist", null)

PullAPIWrapper.java

同上，更新本地路由缓存

137

throw new MQClientException("Failed to initiate the MessageBatch", e)

DefaultMQProducer.java

检查批量消息格式，确保消息体大小和数量符合限制

138

throw new MQClientException("TransactionListener is null", null)

TransactionMQProducer.java

初始化事务生产者时设置非空的TransactionListener

139

throw new RuntimeException("Invalid ConsumeFromWhere Value", null)

DefaultLitePullConsumer.java

设置有效的ConsumeFromWhere值（如CONSUME_FROM_FIRST_OFFSET）

140

throw new MQClientException("The broker[" + mq.getBrokerName() + "] not exist", null)

RemoteBrokerOffsetStore.java

确认broker存在，从namesrv获取最新broker列表

141

throw new MQClientException("The broker[" + mq.getBrokerName() + "] not exist", null)

RemoteBrokerOffsetStore.java

同上，处理offset存储时的broker下线场景

142

AclException aclException = new AclException("CAL_SIGNATURE_FAILED",10015);

PermissionTest.java

测试中模拟签名计算失败场景，验证ACL容错逻辑

143

AclException aclExceptionWithMessage = new AclException("CAL_SIGNATURE_FAILED",10015,"CAL_SIGNATURE_FAILED Exception");

PermissionTest.java

同上，测试异常消息传递是否正确

144

throw new RuntimeException("incompatible exception.", e)

AclClientRPCHookTest.java

测试中处理不兼容的异常类型，确保测试稳定性

145

throw new AclException("CAL_SIGNATURE_FAILED", CAL_SIGNATURE_FAILED, message, e)

AclSigner.java

检查签名计算参数（如AccessKey、SecretKey），确保格式正确

146

throw new AclException("CAL_SIGNATURE_FAILED", CAL_SIGNATURE_FAILED, message, e)

AclSigner.java

同上，处理签名计算时的IO异常

147

throw new AclException("CAL_SIGNATURE_FAILED", CAL_SIGNATURE_FAILED, message, e)

AclSigner.java

同上，修复编码转换错误

148

throw new RuntimeException("Incompatible exception.", e)

AclUtils.java

处理异常转换时的不兼容类型，增加类型判断逻辑

149

throw new RuntimeException("Initialize plugin's class: " + pluginClass + " not found!", e)

MessageStoreFactory.java

确认插件类路径正确，确保插件JAR包已引入classpath

150

throw new MQClientException("mq is null", null)

DefaultMQPullConsumerImpl.java

参数校验确保MessageQueue不为空，修复空指针场景

151

throw new MQClientException("offset < 0", null)

DefaultMQPullConsumerImpl.java

边界校验确保offset非负，处理异常输入

152

throw new MQClientException("maxNums <= 0", null)

DefaultMQPullConsumerImpl.java

确保拉取数量为正数，符合业务需求