public void unregister(QName pid) throws BpelEngineException { if (__log.isTraceEnabled()) __log.trace("unregister: " + pid); try { _mngmtLock.writeLock().lockInterruptibly(); } catch (InterruptedException ie) { __log.debug("unregister() interrupted.", ie); throw new BpelEngineException(__msgs.msgOperationInterrupted()); } try { BpelProcess p; if (_engine != null) { p = _engine.unregisterProcess(pid); if (p != null) { _registeredProcesses.remove(p); XslTransformHandler.getInstance().clearXSLSheets(p.getProcessType()); __log.info(__msgs.msgProcessUnregistered(pid)); } } } catch (Exception ex) { __log.error(__msgs.msgProcessUnregisterFailed(pid), ex); throw new BpelEngineException(ex); } finally { _mngmtLock.writeLock().unlock(); } }