Customer faces issue on Java application server due to a similar error like: "a file is already opened/in use/locked somehow by any other application/process/user/etc". Hence, you want to investigate who/what this unknown application, process, user, etc is. You need to capture I/O activities with SAPJVM profiler tool.
SAP Java Virtual Machine
SAP Netweaver for AS Java
SAP JVM profiler tool, AS Java, SAP Netweaver, I/O activities, capture, how to, locked file, opened file , KBA , BC-JVM , SAP Java Virtual Machine , BC-JAS-COR , Enterprise Runtime, Core J2EE Framework , BC-JAS-WEB , Web Container, HTTP, JavaMail, Servlets , BC-JAS-ADM-ADM , Administration , How To
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