java.lang.RuntimeException: An error occurred while executing doInBackground()
                                                                   at android.os.AsyncTask$3.done(AsyncTask.java:318)
                                                                   at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:354)
                                                                   at java.util.concurrent.FutureTask.setException(FutureTask.java:223)
                                                                   at java.util.concurrent.FutureTask.run(FutureTask.java:242)
                                                                   at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:243)
                                                                   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
                                                                   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
                                                                   at java.lang.Thread.run(Thread.java:761)
                                                                Caused by: java.lang.NoClassDefFoundError: Failed resolution of: Lmf/org/apache/xerces/parsers/DOMParser;
                                                                   at jpos.config.simple.xml.AbstractXercesRegPopulator.<init>(AbstractXercesRegPopulator.java:576)
                                                                   at jpos.config.simple.xml.XercesRegPopulator.<init>(XercesRegPopulator.java:64)
                                                                   at jpos.config.simple.xml.SimpleXmlRegPopulator.<init>(SimpleXmlRegPopulator.java:132)
                                                                   at java.lang.Class.newInstance(Native Method)
                                                                   at jpos.loader.simple.SimpleServiceManager.initRegPopulator(SimpleServiceManager.java:110)
                                                                   at jpos.loader.simple.SimpleServiceManager.initEntryRegistry(SimpleServiceManager.java:86)
                                                                   at jpos.loader.simple.SimpleServiceManager.init(SimpleServiceManager.java:78)
                                                                   at jpos.loader.simple.SimpleServiceManager.<init>(SimpleServiceManager.java:67)
                                                                   at jpos.loader.JposServiceLoader.<clinit>(JposServiceLoader.java:124)
                                                                   at jpos.loader.JposServiceLoader.getManager(JposServiceLoader.java:162)
                                                                   at ru.techretail.mycashdesk.fiscal.JposConfig.configure(JposConfig.java:33)
                                                                   at ru.techretail.mycashdesk.fiscal.ShtrihFiscalDevice.<init>(ShtrihFiscalDevice.java:68)
                                                                   at ru.techretail.mycashdesk.fiscal.McdFiscalDeviceFactory.getFiscalDevice(McdFiscalDeviceFactory.java:61)