Here's a more detailed exception stacktrace from TeamCity:15:55:08,575 INFO [org.jboss.as.arquillian] (MSC service thread 1-2) Arquillian deployment detected: ArquillianConfig[service=jboss.arquillian.config."jpa_cfgfile.jar",unit=jpa_cfgfile.jar,tests=[org.jboss.as.test.integration.jpa.cfgfile.CfgFileTestCase]]15:55:08,575 INFO [org.jboss.as.jpa] (ServerService Thread Pool -- 67) JBAS011402: Starting Persistence Unit Service 'jpa_cfgfile.jar#mypc'15:55:08,576 INFO [org.hibernate.jpa.internal.util.LogHelper] (ServerService Thread Pool -- 67) HHH000204: Processing PersistenceUnitInfo [ name: mypc ...]15:55:08,985 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool -- 67) MSC000001: Failed to start service jboss.persistenceunit."jpa_cfgfile.jar#mypc": org.jboss.msc.service.StartException in service jboss.persistenceunit."jpa_cfgfile.jar#mypc": org.hibernate.metamodel.source.MappingException: Error accessing stax stream at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1.run(PersistenceUnitServiceImpl.java:112) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_13] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_13] at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_13] at org.jboss.threads.JBossThread.run(JBossThread.java:122)Caused by: org.hibernate.metamodel.source.MappingException: Error accessing stax stream at org.hibernate.service.internal.JaxbProcessor.unmarshal(JaxbProcessor.java:121) at org.hibernate.service.internal.JaxbProcessor.unmarshal(JaxbProcessor.java:80) at org.hibernate.service.ConfigLoader.loadConfigXmlResource(ConfigLoader.java:69) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.mergePropertySources(EntityManagerFactoryBuilderImpl.java:548) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.<init>(EntityManagerFactoryBuilderImpl.java:212) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.<init>(EntityManagerFactoryBuilderImpl.java:186) at org.hibernate.jpa.boot.spi.Bootstrap.getEntityManagerFactoryBuilder(Bootstrap.java:43) at org.hibernate.jpa.boot.spi.Bootstrap.getEntityManagerFactoryBuilder(Bootstrap.java:55) at org.hibernate.jpa.HibernatePersistenceProvider.createContainerEntityManagerFactory(HibernatePersistenceProvider.java:142) at org.jboss.as.jpa.service.PersistenceUnitServiceImpl.createContainerEntityManagerFactory(PersistenceUnitServiceImpl.java:214) at org.jboss.as.jpa.service.PersistenceUnitServiceImpl.access$800(PersistenceUnitServiceImpl.java:59) at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1.run(PersistenceUnitServiceImpl.java:108) ... 4 moreCaused by: com.ctc.wstx.exc.WstxIOException: Server returned HTTP response code: 503 for URL: http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd at com.ctc.wstx.sr.StreamScanner.throwFromIOE(StreamScanner.java:699) at com.ctc.wstx.sr.ValidatingStreamReader.findDtdExtSubset(ValidatingStreamReader.java:480) at com.ctc.wstx.sr.ValidatingStreamReader.finishDTD(ValidatingStreamReader.java:341) at com.ctc.wstx.sr.BasicStreamReader.finishToken(BasicStreamReader.java:3755) at com.ctc.wstx.sr.BasicStreamReader.nextFromProlog(BasicStreamReader.java:2087) at com.ctc.wstx.sr.BasicStreamReader.next(BasicStreamReader.java:1134) at org.codehaus.stax2.ri.Stax2EventReaderImpl.peek(Stax2EventReaderImpl.java:367) at org.hibernate.service.internal.JaxbProcessor.unmarshal(JaxbProcessor.java:117) ... 15 moreCaused by: java.io.IOException: Server returned HTTP response code: 503 for URL: http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1625) [rt.jar:1.7.0_13] at java.net.URL.openStream(URL.java:1037) [rt.jar:1.7.0_13] at com.ctc.wstx.util.URLUtil.inputStreamFromURL(URLUtil.java:160) at com.ctc.wstx.io.DefaultInputResolver.sourceFromURL(DefaultInputResolver.java:254) at com.ctc.wstx.io.DefaultInputResolver.resolveEntity(DefaultInputResolver.java:92) at com.ctc.wstx.sr.ValidatingStreamReader.findDtdExtSubset(ValidatingStreamReader.java:471) ... 21 more-JaikiranOn Saturday 15 June 2013 07:33 PM, Jaikiran Pai wrote: