Cassandra CQLSH – Unable to connect to any servers Tried connecting to [(‘127.0.0.1’, 9042)
When trying to connect to a node in the Cassandra Cluster using cqlsh, I get the “Unable to connect to any servers. Tried connecting to [(‘127.0.0.1’, 9042)” message. Learn how to modify the configuration so that the hostname is not required.
ORA-04031 Unable to Allocate Shared Memory
When executing a procedure I am getting “ORA-04031: unable to allocate shared memory” error. How do I avoid this error?
Solved – How to fix ORA-00054 resource busy and acquire with NOWAIT specified or timeout expired?
What is the cause of the error ORA-00054 “resource busy and acquire with NOWAIT specified or timeout expired”?
Solved – Why was ORA-12537: TNS:connection closed, error returned?
When trying to establish a sqlplus connection I get the “ORA-12537: TNS:connection closed” error messgae. How do I resolve this?
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