was 8.5环境生成heapdump文件

本文介绍如何在WebSphere Application Server (WAS)中配置并生成堆内存快照(Heap Dump)。通过修改/etc/profile文件并重启WAS,可以设置在特定条件下自动生成Heap Dump。此外,还提供了通过命令手动触发Heap Dump的方法以及使用HeapAnalyzer工具进行分析的建议。
1、我在/etc/profile里面增加参数:
export IBM_HEAPDUMP=true
export IBM_HEAP_DUMP=true
export IBM_HEAPDUMPDIR=/opt/
export IBM_HEAPDUMP_OUTOFMEMORY=true
export IBM_JAVADUMP_OUTOFMEMORY=true
export IBM_JAVA_HEAPDUMP_TEXT=true
 
执行下述命令,使设置生效:
>. /etc/profile
 
2、重启WAS
 
3、执行下述命令获得<pid>
>ps -ef|grep server1
 
4、执行下述命令生成 dump 文件,生成文件根据配置存放在/opt/目录
>kill -3 <pid>
 
同事给的简洁命令:
>ps -ef | grep server1 | grep -v grep |awk '{print $2}'| xargs kill -3
也可通过管理控制台获得heapdump,目录在:故障诊断|Java转储与核心
 
后续可以采用HeapAnalyzer工具分析。
9-Nov-2025 15:27:21.567 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dorg.apache.catalina.security.SecurityListener.UMASK=0027 19-Nov-2025 15:27:21.567 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dignore.endorsed.dirs= 19-Nov-2025 15:27:21.567 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=/opt/workplace/tomcat-mdm 19-Nov-2025 15:27:21.567 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=/opt/workplace/tomcat-mdm 19-Nov-2025 15:27:21.567 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=/opt/workplace/tomcat-mdm/temp 19-Nov-2025 15:27:21.567 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent The Apache Tomcat Native library which allows using OpenSSL was not found on the java.library.path: [/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib] 19-Nov-2025 15:27:21.700 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio-8080"] 19-Nov-2025 15:27:21.711 INFO [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read 19-Nov-2025 15:27:21.721 INFO [main] org.apache.catalina.startup.Catalina.load Initialization processed in 494 ms 19-Nov-2025 15:27:21.747 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service [Catalina] 19-Nov-2025 15:27:21.750 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet engine: [Apache Tomcat/8.5.68] 19-Nov-2025 15:27:21.766 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployWAR Deploying web application archive [/opt/workplace/tomcat-mdm/webapps/ROOT.war] 19-Nov-2025 15:27:22.259 WARNING [localhost-startStop-1] org.apache.tomcat.util.descriptor.web.WebXml.setVersion Unknown version string [4.0]. Default version will be used. 19-Nov-2025 15:27:22.261 WARNING [localhost-startStop-1] org.apache.tomcat.util.descriptor.web.WebXml.setVersion Unknown version string [4.0]. Default version will be used. 19-Nov-2025 15:27:27.008 INFO [localhost-startStop-1] org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. 19-Nov-2025 15:27:27.187 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployWAR Deployment of web application archive [/opt/workplace/tomcat-mdm/webapps/ROOT.war] has finished in [5,420] ms 19-Nov-2025 15:27:27.188 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [/opt/workplace/tomcat-mdm/webapps/docs] 19-Nov-2025 15:27:27.199 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [/opt/workplace/tomcat-mdm/webapps/docs] has finished in [11] ms 19-Nov-2025 15:27:27.199 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [/opt/workplace/tomcat-mdm/webapps/examples] 19-Nov-2025 15:27:27.304 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [/opt/workplace/tomcat-mdm/webapps/examples] has finished in [105] ms 19-Nov-2025 15:27:27.304 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [/opt/workplace/tomcat-mdm/webapps/host-manager] 19-Nov-2025 15:27:27.318 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [/opt/workplace/tomcat-mdm/webapps/host-manager] has finished in [14] ms 19-Nov-2025 15:27:27.318 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [/opt/workplace/tomcat-mdm/webapps/manager] 19-Nov-2025 15:27:27.331 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [/opt/workplace/tomcat-mdm/webapps/manager] has finished in [13] ms 19-Nov-2025 15:27:27.337 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-8080"] 19-Nov-2025 15:27:27.343 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in 5622 ms 还是启动不了
最新发布
11-20
评论
成就一亿技术人!
拼手气红包6.0元
还能输入1000个字符
 
红包 添加红包
表情包 插入表情
 条评论被折叠 查看
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值