Unable to retrieve resource limits – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch is unable to access system resources due to insufficient permissions or system restrictions. This could be due to Elasticsearch not having the necessary permissions to access certain files or directories, or due to system-level restrictions on resource usage. To resolve this issue, you can try running Elasticsearch with elevated permissions, or adjusting the system’s resource limits. Additionally, ensure that Elasticsearch has the necessary read/write permissions for all relevant files and directories.

This guide will help you check for common problems that cause the log ” Unable to retrieve resource limits: {} ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: bootstrap.

Log Context

Log “Unable to retrieve resource limits: {}” classname is JNANatives.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                if (JNACLibrary.getrlimit(JNACLibrary.RLIMIT_MEMLOCK; rlimit) == 0) {
                    rlimitSuccess = true;
                    softLimit = rlimit.rlim_cur.longValue();
                    hardLimit = rlimit.rlim_max.longValue();
                } else {
                    logger.warn("Unable to retrieve resource limits: {}"; JNACLibrary.strerror(Native.getLastError()));
        } catch (UnsatisfiedLinkError e) {
            // this will have already been logged by CLibrary; no need to repeat it


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