Caught exception while loading file struts-default.xml 的错误

启动MyEclipse8.5内置Tomcat时遇到错误,表现为加载struts-default.xml失败及404错误。问题源于MyEclipseHibernate类库中包含的xml-apis.jar和xerces-2.6.2.jar与JDK冲突。解决方案包括移除冲突文件或将JDK版本回退到1.5。

启动MyEclipse8.5自带的Tomcat时,抛错,

严重: Exception starting filter struts2 

Caught exception while loading file struts-default.xml - [unknown location] 

同时访问项目的时候出现404错误,The requested resource (/resinfo/) is not available.

Tomcat重启了很多次不能解决,使用另下的Tomcat8.5.27可以访问index,但是不能访问其他页面。

原因: MyEclipse Hibernate 类库中多了两个包: xml-apis.jar和xerces-2.6.2.jar, 这两个包的功能和JDK的冲突了。

解决办法: 1. 删除发布后目录的 WEB-INF/lib/ 下的这两个文件;2. 或者使用JDK 1.5来启动Tomcat 6。

来源:http://www.coin163.com/it/x3680242200074432104/Apache-Struts-TomcatXMLJava

[root@yfw ~]# cd /opt/openfire [root@yfw openfire]# ls -l /opt/openfire/plugins/restapi/ ls: cannot access '/opt/openfire/plugins/restapi/': No such file or directory [root@yfw openfire]# tail -f /opt/openfire/logs/openfire.log at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) [netty-common-4.1.108.Final.jar:4.1.108.Final] at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) [netty-common-4.1.108.Final.jar:4.1.108.Final] at java.lang.Thread.run(Thread.java:829) [?:?] 2025.10.03 00:48:37.616 ERROR [socket_c2s-thread-4]: org.jivesoftware.openfire.nio.NettyConnection - Problem during connection close or cleanup io.netty.channel.StacklessClosedChannelException: null at io.netty.channel.AbstractChannel$AbstractUnsafe.write(Object, ChannelPromise)(Unknown Source) ~[netty-transport-4.1.108.Final.jar:4.1.108.Final] 2025.10.03 00:48:51.280 WARN [socket_c2s-thread-5]: org.jivesoftware.openfire.net.StanzaHandler - TLS requested by initiator when TLS was never offered by server. Closing connection: NettyConnection{peer: /64.62.197.2:37526, state: CLOSED, session: LocalClientSession{address=localhost/fd019775-0604-48c3-890b-927d4a9329f2, streamID=a1slsqrfla, status=CLOSED, isEncrypted=false, isDetached=false, serverName='localhost', isInitialized=false, hasAuthToken=false, peer address='64.62.197.2', presence=' <presence type="unavailable"/>'}, Netty channel handler context name: NettyClientConnectionHandler#0} 2025.10.03 01:25:57.988 WARN [PluginMonitorExec-2]: org.jivesoftware.openfire.container.PluginManager - Ignoring plugin 'restapi-openfire-plugin-assembly': requires server version 5.0.0. Current server version is 4.9.2. 2025.10.03 01:29:11.523 WARN [socket_c2s-thread-7]: org.jivesoftware.openfire.nio.NettyXMPPDecoder - Error occurred while decoding XMPP stanza, closing connection: NettyConnection{peer: /35.203.210.191:59128, state: OPEN, session: LocalClientSession{address=localhost/33ef000c-a3c3-4c31-ae17-74d84ffa0605, streamID=597g80vfvc, status=CONNECTED, isEncrypted=false, isDetached=false, serverName='localhost', isInitialized=false, hasAuthToken=false, peer address='35.203.210.191', presence=' <presence type="unavailable"/>'}, Netty channel handler context name: NettyClientConnectionHandler#0} java.io.IOException: Connection reset by peer at sun.nio.ch.FileDispatcherImpl.read0(Native Method) ~[?:?] at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) ~[?:?] at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:276) ~[?:?] at sun.nio.ch.IOUtil.read(IOUtil.java:233) ~[?:?] at sun.nio.ch.IOUtil.read(IOUtil.java:223) ~[?:?] at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:356) ~[?:?] at io.netty.buffer.PooledByteBuf.setBytes(PooledByteBuf.java:255) ~[netty-buffer-4.1.108.Final.jar:4.1.108.Final] at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1132) ~[netty-buffer-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:357) ~[netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:151) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:724) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:650) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) [netty-common-4.1.108.Final.jar:4.1.108.Final] at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) [netty-common-4.1.108.Final.jar:4.1.108.Final] at java.lang.Thread.run(Thread.java:829) [?:?] 2025.10.03 01:29:11.525 ERROR [socket_c2s-thread-7]: org.jivesoftware.openfire.nio.NettyConnection - Problem during connection close or cleanup java.io.IOException: Broken pipe at sun.nio.ch.FileDispatcherImpl.write0(Native Method) ~[?:?] at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47) ~[?:?] at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:113) ~[?:?] at sun.nio.ch.IOUtil.write(IOUtil.java:58) ~[?:?] at sun.nio.ch.IOUtil.write(IOUtil.java:50) ~[?:?] at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:462) ~[?:?] at io.netty.channel.socket.nio.NioSocketChannel.doWrite(NioSocketChannel.java:415) ~[netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.AbstractChannel$AbstractUnsafe.flush0(AbstractChannel.java:931) ~[netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.flush0(AbstractNioChannel.java:359) ~[netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.AbstractChannel$AbstractUnsafe.flush(AbstractChannel.java:895) ~[netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.DefaultChannelPipeline$HeadContext.flush(DefaultChannelPipeline.java:1372) ~[netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeFlush0(AbstractChannelHandlerContext.java:935) ~[netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeFlush(AbstractChannelHandlerContext.java:921) ~[netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.AbstractChannelHandlerContext.flush(AbstractChannelHandlerContext.java:907) ~[netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.ChannelOutboundHandlerAdapter.flush(ChannelOutboundHandlerAdapter.java:125) ~[netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeFlush0(AbstractChannelHandlerContext.java:939) ~[netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:957) ~[netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:982) ~[netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:950) ~[netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:1000) ~[netty-transport-4.1.108.Final.jar:4.1.108.Final] at org.jivesoftware.openfire.nio.NettyConnection.close(NettyConnection.java:215) [xmppserver-4.9.2.jar:4.9.2] at org.jivesoftware.openfire.nio.NettyXMPPDecoder.exceptionCaught(NettyXMPPDecoder.java:71) [xmppserver-4.9.2.jar:4.9.2] at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:346) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:325) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:317) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.DefaultChannelPipeline$HeadContext.exceptionCaught(DefaultChannelPipeline.java:1377) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:346) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:325) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.DefaultChannelPipeline.fireExceptionCaught(DefaultChannelPipeline.java:907) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.handleReadException(AbstractNioByteChannel.java:125) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:177) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:724) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:650) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562) [netty-transport-4.1.108.Final.jar:4.1.108.Final] at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) [netty-common-4.1.108.Final.jar:4.1.108.Final] at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) [netty-common-4.1.108.Final.jar:4.1.108.Final] at java.lang.Thread.run(Thread.java:829) [?:?]
最新发布
10-04
🎉 你已经完成了 Openfire 插件的部署,但现在遇到了一个**关键问题**:插件没有被加载! --- ## ❌ 核心错误(来自日志): ```text 2025.10.03 01:25:57.988 WARN [PluginMonitorExec-2]: org.jivesoftware.openfire.container.PluginManager - Ignoring plugin 'restapi-openfire-plugin-assembly': requires server version 5.0.0. Current server version is 4.9.2. ``` --- ## 🔴 问题分析 ### ✅ 你做了什么? - 成功构建了 `restAPI-openfire-plugin-assembly.jar` - 正确复制到了 `/opt/openfire/plugins/` 目录 - 文件名正确(Maven 构建无误) ### ❌ 为什么没生效? > **你的 Openfire 版本是 `4.9.2`,但这个插件要求 `Openfire 5.0.0+`** 所以 Openfire 主动 **忽略了该插件**,根本不会尝试加载它。 --- ## 📁 插件命名说明 你看到的日志中提示的是: ``` Ignoring plugin 'restapi-openfire-plugin-assembly' ``` 注意: - 实际文件名是:`restAPI-openfire-plugin-assembly.jar` - Openfire 自动去掉 `.jar` 后缀,并将名称转为小写 → `restapi-openfire-plugin-assembly` 这是正常行为。 但由于版本不兼容,**连解压都不会进行**,因此: ```bash ls /opt/openfire/plugins/restapi/ ``` 输出: ```text No such file or directory ``` ✅ 完全合理 —— 因为插件从未被加载,所以没有创建解压目录。 --- ## 💡 如何确认当前 Openfire 版本? 运行: ```bash cat /opt/openfire/resources/database/openfire_version.xml | grep "version" ``` 或查看管理界面底部信息。 你已知是 `4.9.2`,低于所需版本 `5.0.0`。 --- ## ✅ 解决方案(三种选择) --- ### ✅ 方案一:【推荐】降级插件源码以支持 Openfire 4.9.2 你需要修改插件项目的 `pom.xml` 中对 Openfire API 的依赖版本。 #### 修改前(可能): ```xml <dependency> <groupId>org.igniterealtime.openfire</groupId> <artifactId>openfire-core</artifactId> <version>5.0.0</version> <scope>provided</scope> </dependency> ``` #### 修改后(适配 4.9.2): ```xml <dependency> <groupId>org.igniterealtime.openfire</groupId> <artifactId>openfire</artifactId> <version>4.9.2</version> <scope>provided</scope> </dependency> ``` 然后重新编译: ```bash mvn clean install ``` 再部署新生成的 JAR。 --- ### ✅ 方案二:升级 Openfire 到 5.0.0 或更高版本 前往官网下载最新版 Openfire: 🔗 https://www.igniterealtime.org/projects/openfire/ 备份配置和数据库后升级: ```bash # 备份重要数据 cp -r /opt/openfire/conf /backup/openfire-conf-backup cp /opt/openfire/embedded-db/openfire.script /backup/ # 停止旧服务 systemctl stop openfire # 安装新版 Openfire(例如通过 RPM 或 tar.gz) # 然后恢复 conf 和数据库 ``` 升级后,你的插件应该能直接使用。 --- ### ✅ 方案三:检查是否有兼容 Openfire 4.9.2 的插件版本 有些项目会维护多个分支。例如: - `main` 分支 → 支持 Openfire 5.x - `openfire-4.x` 分支 → 支持 Openfire 4.9.x 查看 GitHub/GitLab 仓库是否有类似分支: ```bash git branch -r | grep -i openfire ``` 切换并重新构建: ```bash git checkout origin/openfire-4.x mvn clean install ``` --- ## 🔍 补充建议:如何查看插件所需的最低 Openfire 版本? 通常在以下两个位置定义: ### 1. `plugin.xml` 文件(打包在 JAR 内部) 你可以查看: ```bash jar -xf target/restAPI-openfire-plugin-assembly.jar plugin.xml cat plugin.xml ``` 查找字段: ```xml <minServerVersion>5.0.0</minServerVersion> ``` 这就是导致你被拒绝的原因! 👉 修改这个值为 `<minServerVersion>4.9.2</minServerVersion>` 并重新打包,可以“绕过”检查(但仅当实际代码也兼容时才安全)。 --- ## ✅ 总结 | 项目 | 内容 | |------|------| | ❌ 问题原因 | 插件要求 Openfire 5.0.0,当前运行的是 4.9.2 | | 🚫 结果 | 插件被忽略,未解压、未加载 | | ✅ 解决方法 | (1) 修改依赖降级插件;(2) 升级 Openfire;(3) 使用兼容分支 | | 🔍 验证方式 | 查看 `plugin.xml` 中的 `<minServerVersion>` 字段 | ---
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