When the network of the master and slave databases in the OracleGoldenGate environment is suddenly interrupted, the dp process on the master end cannot be started.

When the network of the master and slave databases in the OracleGoldenGate environment is suddenly interrupted, the dp process on the master end cannot be started.
View report dpfull, the phenomenon is/gg/ggs/dirdat/aa000053 (no surch file or directory) In fact, this file exists on the target end.
Solution:
1. Target ps-ef | grep ggs, find the server process, assuming that the pid of the server process is 12345
2. kill-9 12345
3. Destination stop mgr
4. start mgr
5. start dp on the source end
6. The dp status is OK. The problem is handled.