1. Use the Websphere product installation information command ‘updateInfo’ to search for and view the product properties file./properties/version/WAS.product. View the SystemOut.rog file under any profile file, which contains information about the Java Application Server product /logs/server1/SystemOut.log     2. Fault diagnosis tool FFDC (First Failure Data Capture)/logs/ffdc 3. View JDK information by running java fullversion from the command line/java/bin/java fullversion 4 Check the version information of IBM HTTP Server on the Windows platform and run apache.exe - v 5 Log file 5.1 JVM logs installation_root/profiles/profile_name/logs/serverless 5.2 process logs installation_root/logs/applicationServerName/native_stderr.log and native_stdot.log 5.3 service logs (binary files) install_root/logs/activity.log installation_root/bin/showlog   6. Log Analyzer/bin/waslogbr.bat install_root/logs/activity.rog 7 port config WAS_INSTALL_ROOT\profiles<profileName>\config\cells<cellName>\nodes<nodeName>