ppkarwasz commented on PR #3874:
URL: https://github.com/apache/logging-log4j2/pull/3874#issuecomment-3198169870
Hi,
You’re right, the `JeroMqAppenderTest` failure is completely unrelated to
your changes.
It’s become a bit of a *Moby Dick* for me, so I guess I need to sharpen my
harpoon. :wink:
On a more serious note, the failure was caused by a port binding issue.
Since the test binds the JeroMQ peer to port `0` (ephemeral), it suggests
either:
* a bug in JeroMQ, or
* all ephemeral ports being in use (possible, though unlikely).
Here’s the relevant log output:
```
07:42:29.859 main DEBUG Building Plugin[name=appender,
class=org.apache.logging.log4j.core.appender.mom.jeromq.JeroMqAppender].
07:42:29.885 main DEBUG createAppender(name="JeroMQAppender",
PatternLayout(%X{foo}%m), Filter=null, ={endpoint=tcp://*:0,
endpoint=ipc://info-topic}, ignoreExceptions="false", affinity="0",
backlog="100", delayAttachOnConnect="false", identity="null", ipv4Only="true",
linger="-1", maxMsgSize="-1", rcvHwm="1000", receiveBufferSize="0",
receiveTimeOut="0", reconnectIVL="100", reconnectIVLMax="0",
sendBufferSize="0", sendTimeOut="0", sndHwm="1000", tcpKeepAlive="-1",
tcpKeepAliveCount="-1", tcpKeepAliveIdle="-1", tcpKeepAliveInterval="-1",
xpubVerbose="false")
07:42:29.886 main DEBUG Creating JeroMqAppender with name=JeroMQAppender,
filter=null, layout=%X{foo}%m, ignoreExceptions=false, endpoints=[tcp://*:0,
ipc://info-topic]
07:42:29.953 main DEBUG Starting JeroMqManager JeroMQAppender
07:42:30.163 main ERROR Unable to invoke factory method in class
org.apache.logging.log4j.core.appender.mom.jeromq.JeroMqAppender for element
JeroMQ: org.zeromq.ZMQException: Errno 48 : Address already in use
java.lang.reflect.InvocationTargetException
```
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