title: Unable to allocate x bytes of shared memory
body: <p>When I'm trying to backup my oracle database, I got below error.</p>
  
  <pre><code>UDE-04031: operation generated ORACLE error 4031
  ORA-04031: unable to allocate 16 bytes of shared memory ("shared pool","SELECT j
  ob_id FROM v$datapum...","SQLA","tmp")
  ORA-06512: at "SYS.KUPV$FT_INT", line 2904
  ORA-06512: at "SYS.KUPC$QUE_INT", line 572
  ORA-25254: time-out in LISTEN while waiting for a message
  ORA-06512: at "SYS.DBMS_DATAPUMP", line 3326
  ORA-06512: at "SYS.DBMS_DATAPUMP", line 4551
  ORA-06512: at line 1
  </code></pre>
  
  <p>How could I resolve this?</p>