Tsz-wo Sze created RATIS-1946:
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Summary: slf4j: Exception may not be printed.
Key: RATIS-1946
URL: https://issues.apache.org/jira/browse/RATIS-1946
Project: Ratis
Issue Type: Improvement
Reporter: Tsz-wo Sze
Assignee: Tsz-wo Sze
The "{}" message format syntax does not work for exception.
{code}
//PeerProxyMap.java
} catch (IOException e) {
LOG.warn("{}: Failed to close proxy for peer {}, proxy class: {}",
name, pp, proxy.getClass(), e);
}
{code}
As an example, the exception e and its stack trace will not be printed in the
code above since it is calling
{code}
//org.slf4j.Logger
void warn(String var1, Object... var2);
{code}
with one "{}" less. There are three "{}" but four objects (including e). The
expectation is to call
{code}
void warn(String var1, Object var2, Object var3, Object var4, Throwable var5);
{code}
but such method does not exist.
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