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Briefly, this error occurs when the system is unable to copy the reaper.jar file due to issues like insufficient permissions, lack of disk space, or the file being in use. To resolve this, you can try freeing up disk space, ensuring the file isn’t being used by another process, or checking and adjusting the file and directory permissions. If the file is corrupted, you may need to download a new copy. Always remember to backup your data before making any changes.
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This guide will help you check for common problems that cause the log ” Copying reaper.jar… ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: .
Log Context
Log “Copying reaper.jar…” classname is ReaperService.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
try (
OutputStream out = Files.newOutputStream(jarPath);
InputStream jarInput = this.getClass().getResourceAsStream("/META-INF/reaper.jar");
) {
logger.info("Copying reaper.jar...");
jarInput.transferTo(out);
} catch (IOException e) {
throw new UncheckedIOException(e);
}
