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https://issues.apache.org/jira/browse/NIFI-8083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17247529#comment-17247529
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David Mollitor commented on NIFI-8083:
--------------------------------------
With the changes, the error would say:
{quote}
ERROR [thread] org.apache.nifi.remote.is.sock.ssl.SSLSocketChannel@755110ed
failed to connect
java.net.SocketTimeoutException: Timed out reading from socket...
{quote}
> SSLSocketChannel Logging Improvement
> ------------------------------------
>
> Key: NIFI-8083
> URL: https://issues.apache.org/jira/browse/NIFI-8083
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Security
> Reporter: David Mollitor
> Priority: Trivial
> Time Spent: 10m
> Remaining Estimate: 0h
>
> {code:java}
> logger.error("{} Failed to connect due to {}", this, e);
> if (logger.isDebugEnabled()) {
> logger.error("", e);
> }
> {code}
> I just came across this in troubleshooting an issue. The "e" Exception is
> displayed in the logging with the full stack trace, which was helpful, but it
> was not passed to the second anchor "{}" and the literal anchor showed up in
> the message. I think that as long as SLF4J sees an Exception as the last
> parameter it will print the stack trace, regardless of the anchor.
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