Examples of org.apache.catalina.session.StandardSession.unlockBackground()

                    try {
                        ((HASession)session).setPersistent(false);
                        ((HASession)session).setDirty(true, false);
                        doValveSave(session);
                    } finally {
                        session.unlockBackground();
                    }
                }                                
      }            
        }
    }

                        if (_logger.isLoggable(Level.FINE)) {
                            _logger.log(Level.FINE, "Throwable occurred during force flush", t);
                        }
                        break;
                    } finally {
                        session.unlockBackground();
                    }
                }                                
      }            
        }
    }

                } else {
                    //tried to wait and lock maxNumberOfRetries times; throw an exception
                    //throw new ServletException("unable to acquire session lock");
                    //instead of above; unlock the background so we can take over
                    _logger.warning("this should not happen-breaking background lock: sess =" + sess);
                    haSess.unlockBackground();
                }              
            }
            if(_logger.isLoggable(Level.FINEST)) {
                _logger.finest("finished locking session: sess =" + sess);
                _logger.finest("LOCK = " + haSess.getSessionLock());

                    threadSleep(pollTime);
                } else {
                    //tried to wait and lock maxNumberOfRetries times; throw an exception
                    //throw new ServletException("unable to acquire session lock");
                    //instead of above; unlock the background so we can take over
                    stdSess.unlockBackground();
                }              
            }
        }
        return result;
    }

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