严重: IOException while loading persisted sessions: java.io.EOFException java.i

本文介绍了一种常见的Tomcat服务器启动时遇到的会话加载异常问题,具体表现为java.io.EOFException错误,并给出了简单的解决方案:清空tomcat工作目录下的相关文件夹再重启。

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严重: IOException while loading persisted sessions: java.io.EOFException
java.io.EOFException
at java.io.ObjectInputStream$PeekInputStream.readFully(Unknown Source)
at java.io.ObjectInputStream$BlockDataInputStream.readShort(Unknown Source)
at java.io.ObjectInputStream.readStreamHeader(Unknown Source)
at java.io.ObjectInputStream.<init>(Unknown Source)
at org.apache.catalina.util.CustomObjectInputStream.<init>(CustomObjectInputStream.java:58)
at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:362)
at org.apache.catalina.session.StandardManager.load(StandardManager.java:321)
at org.apache.catalina.session.StandardManager.start(StandardManager.java:637)
at org.apache.catalina.core.ContainerBase.setManager(ContainerBase.java:438)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4271)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:926)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:889)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1149)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:578)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
2010-6-6 14:52:37 org.apache.catalina.session.StandardManager start
严重: Exception loading sessions from persistent storage
java.io.EOFException
at java.io.ObjectInputStream$PeekInputStream.readFully(Unknown Source)
at java.io.ObjectInputStream$BlockDataInputStream.readShort(Unknown Source)
at java.io.ObjectInputStream.readStreamHeader(Unknown Source)
at java.io.ObjectInputStream.<init>(Unknown Source)
at org.apache.catalina.util.CustomObjectInputStream.<init>(CustomObjectInputStream.java:58)
at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:362)
at org.apache.catalina.session.StandardManager.load(StandardManager.java:321)
at org.apache.catalina.session.StandardManager.start(StandardManager.java:637)
at org.apache.catalina.core.ContainerBase.setManager(ContainerBase.java:438)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4271)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:926)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:889)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1149)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:578)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
log4j:WARN No appenders could be found for logger (org.springframework.core.CollectionFactory).
log4j:WARN Please initialize the log4j system properly.


这个错误只需要将tomcat6\work\Catalina\localhost目录下清空重新启动tomcat即可
### Java中`EOFException`异常的原因 `EOFException`是在读取文件或网络流时遇到意外结束标记而抛出的一种特殊类型的`IOException`。当程序期望继续接收数据但是输入源已经到达结尾时会触发此异常[^1]。 对于Tomcat服务器而言,在加载持久化会话期间如果发生通信中断或者存储介质损坏,则可能出现该错误提示:“严重: IOException while loading persisted sessions: java.io.EOFException”。这表明存在未完成的数据传输过程被强制终止的情况[^2]。 另外一种情况发生在MQTT客户端库Paho中,当尝试解析消息体长度字段时发现实际接收到的内容不足预期大小也会引发此类问题。“java.io.EOFException at org.eclipse.paho.client.mqttv3.internal.wire.MqttInputStream.readMqttWireMessage(MqttInputStream.java:51)”说明了这一点[^4]。 ### 解决方案 针对上述提到的不同场景下发生的`EOFException`: #### Tomcat环境中的处理方式 为了防止因突然断电等原因造成临时保存下来的不完整会话信息影响下次正常启动,可以考虑禁用session持久化功能或将持久化的路径设置到更可靠的存储设备上;同时定期清理过期的session记录以减少潜在风险。 ```xml <Manager pathname=""/> <!-- 或者 --> <Manager className="org.apache.catalina.session.PersistentManager"> <!-- 配置参数... --> </Manager> ``` #### MQTT连接方面的问题排查 如果是由于网络波动引起的短暂失联所造成的部分包丢失现象,可以通过增加重连机制来提高系统的健壮性;此外还可以调整心跳检测间隔时间以及最大允许无响应周期等配置项优化长链接管理策略。 ```properties connectionTimeout=60 keepAliveInterval=30 automaticReconnect=true maxInflightMessages=100 ```
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