Last updated on JUNE 29, 2017
Applies to:Oracle Communications Messaging Server - Version 7.0.5 to 7.0.5 [Release 7.0.0]
Information in this document applies to any platform.
Files are appearing in various MTA channel queue directories with size 0.
Also, occasionally messages get stuck in the conversion channel queue for up to 4 hours.
Also, at about the same time as the creation date/time of the most recent 0-length file, a message gets stuck in the conversion channel and stays for up to 4 hours before being retried.
The channel where the 0-length file is created would be the destination or next-hop for the stuck message.
However, this problem could happen in other circumstances.
After configuring the system to make sure application core dumps are retrained, we found various MTA processes dumping core.
So it looks like a heap corruption problem, but the problem is because it crashes in malloc().
It can also seem like a memory leak problem, because until it gets to this point, it may have used increasingly more and more memory.
The MTA system was recently upgraded from 126.96.36.199.0 to 188.8.131.52.0.
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