posted by geng on Feb 27
p在监控内网数据包时,发现有一些异常UDP数据包,每秒发送一次: br/16:26:58.633722 IP (tos 0×0, ttl 1, id 0, offset 0, flags [DF], proto 17, length: 119) 192.168.4.45.33389 gt; 234.3.1.2.33389: UDP, length 91 br/16:26:59.635459 IP (tos 0×0, ttl 1, id 0, offset 0, flags [DF], proto 17, length: 119) 192.168.4.45.33389 gt; 234.3.1.2.33389: UDP, length 91 br/(后面总结,应该是一种心跳机制)/p p于是我就在这台机上用iptables给封了 br/# iptables -A OUTPUT -p udp -m udp –dport 33389 -j DROP/p p结果,今天开发人员跟我反馈,confluence 无法访问了,想来想去,就是前些天做了这个封端口的工作。将这条规则删除后,果然可以了。/p p看看 confluence 给我反馈的错误信息: br/CONFLUENCE br/System Error br/A system error has occurred – our apologies! Please contact your Confluence administrator to create a support issue on our support system at a href=”http://support.atlassian.com”http://support.atlassian.com/a with the following information: br/a description of your problem and what you were doing at the time it occurred br/cut amp; paste the error and system information found below br/attach the application server log file (if possible). br/We will respond as promptly as possible. br/Thank you! br/Cause: br/java.lang.RuntimeException: Failed to start Service “Cluster” (ServiceState=SERVICE_STOPPED, STATE_JOINED) br/at com.tangosol.coherence.component.util.daemon.queueProcessor.Service.waitAcceptingClients(Service.CDB:12)/p pbr/Stack Trace: [hide]/p pjava.lang.RuntimeException: Failed to start Service “Cluster” (ServiceState=SERVICE_STOPPED, STATE_JOINED) br/at com.tangosol.coherence.component.util.daemon.queueProcessor.Service.waitAcceptingClients(Service.CDB:12) br/at com.tangosol.coherence.component.net.Cluster$ClusterService.waitAcceptingClients(Cluster.CDB:1) br/at com.tangosol.coherence.component.util.daemon.queueProcessor.Service.poll(Service.CDB:8) br/at com.tangosol.coherence.component.util.daemon.queueProcessor.Service.poll(Service.CDB:18) br/at com.tangosol.coherence.component.util.daemon.queueProcessor.service.ClusterService.ensureService(ClusterService.CDB:15) br/at com.tangosol.coherence.component.util.daemon.queueProcessor.Service.start(Service.CDB:25) br/at com.tangosol.coherence.component.util.daemon.queueProcessor.service.ReplicatedCache.start(ReplicatedCache.CDB:12) br/at com.tangosol.coherence.component.util.SafeService.startService(SafeService.CDB:16) br/at com.tangosol.coherence.component.util.safeService.SafeCacheService.startService(SafeCacheService.CDB:5) br/at com.tangosol.coherence.component.util.SafeService.restartService(SafeService.CDB:17) br/at com.tangosol.coherence.component.util.SafeService.ensureRunningService(SafeService.CDB:39) br/at com.tangosol.coherence.component.util.SafeService.start(SafeService.CDB:14) br/at com.tangosol.net.DefaultConfigurableCacheFactory.ensureService(DefaultConfigurableCacheFactory.java:810) br/at com.tangosol.net.DefaultConfigurableCacheFactory.ensureCache(DefaultConfigurableCacheFactory.java:679) br/at com.tangosol.net.DefaultConfigurableCacheFactory.configureCache(DefaultConfigurableCacheFactory.java:864) br/at com.tangosol.net.DefaultConfigurableCacheFactory.ensureCache(DefaultConfigurableCacheFactory.java:277) br/at com.tangosol.net.CacheFactory.getCache(CacheFactory.java:689) br/at com.atlassian.confluence.cache.tangosol.ListenerTangosolCacheFactory.getCache(ListenerTangosolCacheFactory.java:75) br/at com.atlassian.confluence.cache.tangosol.TangosolCacheManager.getCache(TangosolCacheManager.java:32) br/at com.atlassian.confluence.cache.TransactionalCacheFactory.getCache(TransactionalCacheFactory.java:68) br/at com.atlassian.confluence.setup.bandana.ConfluenceCachingBandanaPersister.getCache(ConfluenceCachingBandanaPersister.java:41) br/at com.atlassian.confluence.setup.bandana.ConfluenceCachingBandanaPersister.retrieve(ConfluenceCachingBandanaPersister.java:54) br/at com.atlassian.bandana.DefaultBandanaManager.getValue(DefaultBandanaManager.java:41) br/at com.atlassian.bandana.DefaultBandanaManager.getValue(DefaultBandanaManager.java:33) br/at com.atlassian.confluence.setup.settings.DefaultSettingsManager.getGlobalSettings(DefaultSettingsManager.java:25) br/at com.atlassian.confluence.setup.ConfluenceEncodingFilter.getEncoding(ConfluenceEncodingFilter.java:22) br/at com.atlassian.core.filters.AbstractEncodingFilter.doFilter(AbstractEncodingFilter.java:20) br/at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) br/at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) br/at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) br/at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) br/at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) br/at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) br/at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) br/at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:541) br/at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) br/at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) br/at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) br/at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) br/at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) br/at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) br/at java.lang.Thread.run(Thread.java:595) br/Referer URL: Unknown/p pBuild Information: br/buildNumber: 1325 br/upTime: 2 months, 11 days, 1 hour, 32 minutes, 44 seconds br/devMode: false br/version: 2.8.2 br/home: /opt/confluence/data/p pbr/Unique ID: 0×0000011FB68C7ADDAC11042D2C5D9FDF5517D38BDFE8088ACC0FCDB2CA836B34/p pServer Information: br/Application Server: Apache Tomcat/5.5.20 br/Servlet Version: 2.4 br/Database Dialect: com.atlassian.hibernate.dialect.MySQLDialect br/Database Driver Name: com.mysql.jdbc.Driver br/Database Driver Version: 3.1 br/Database Name: MySQL br/Database Version: 4.1.20 br/Database Transaction Isolation: Repeatable read Database Latency: 1/p pbr/Memory Information: br/Total Memory: 359 MB br/Used Memory: 190 MB br/Free Memory: 169 MB/p pbr/System Information: br/userName: root br/favouriteColour: Myrtle br/time: 15:04:47 br/javaVm: Java HotSpot(TM) Server VM br/operatingSystemArchitecture: i386 br/date: Friday, 27 Feb 2009 br/operatingSystem: Linux 2.6.9-42.ELsmp br/jvmVersion: 1.0 br/userTimezone: Asia/Shanghai br/fileSystemEncoding: UTF-8 br/jvmImplementationVersion: 1.5.0_16-b02 br/appServer: Apache Tomcat br/javaVendor: Sun Microsystems Inc. br/javaVersion: 1.5.0_16 br/javaRuntime: Java(TM) 2 Runtime Environment, Standard Edition br/jvmVendor: Sun Microsystems Inc./p pbr/Cluster Information: br/Name: wiki br/Description: TangosolClusterInformation: wiki, listening on 229.75.123.162:33389 (后来分析,这就是重点) br/Members: br/Member(Id=1, Timestamp=2009-02-27 15:04:42.559, Address=192.168.4.45:8088, MachineId=47405, Location=process:4096@dev.******.com)/p pbr/Enabled Plugins: br/Content Action Menu Sections (confluence.content.action.menu, Version: 1.0) br/Default Theme (com.atlassian.confluence.themes.default, Version: 1.0) br/Checklists Macros 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Version: 1.0) br/Social Bookmarking Plugin (com.atlassian.confluence.plugins.socialbookmarking, Version: 1.1.1) br/User Menu Sections (confluence.user.menu, Version: 1.0) br/Attachment Extractors (confluence.extractors.attachments, Version: 1.4) br/Left Navigation Theme (com.atlassian.confluence.themes.leftnavigation, Version: 2.0-rc1) br/BloggingRPC (com.atlassian.confluence.plugins.xmlrpc.bloggingrpc, Version: 1.2.2) br/Space Item Tabs (confluence.sections.space, Version: 1.0) br/Code Macro (confluence.macros.code, Version: 1.4)/p pbr/Request br/Information: br/URL: a href=”http://dev.******.com:8080/confluence/500page.jsp”http://dev.******.com:8080/confluence/500page.jsp/a br/- Scheme: http br/- Server: dev.******.com br/- Port: 8080 br/- URI: /confluence/500page.jsp br/- – Context Path: /confluence br/- – Servlet Path: /500page.jsp br/- – Path Info: br/- – Query String: br/foofoo/p pAttributes: br/- javax.servlet.forward.request_uri : /confluence/dashboard.action br/- javax.servlet.forward.context_path : /confluence br/- javax.servlet.forward.servlet_path : /dashboard.action br/- javax.servlet.forward.path_info : /500page.jsp br/- javax.servlet.error.message : br/- javax.servlet.error.servlet_name : action br/- javax.servlet.error.exception : java.lang.RuntimeException: Failed to start Service “Cluster” (ServiceState=SERVICE_STOPPED, STATE_JOINED) br/- javax.servlet.error.request_uri : /confluence/dashboard.action br/- javax.servlet.error.status_code : 500/p pbr/Parameters: br/Confluence User: br/- anonymous/p pLogging: br/0 log statements generated by this request. br//p pbr/br//p






















