Tentei outra vez e deu este erro:
Feb 10, 2017 2:09:09 AM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-bio-8443"]
Feb 10, 2017 2:09:09 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 93558 ms
Feb 10, 2017 2:16:30 AM org.apache.catalina.startup.HostConfig checkResources
INFO: Undeploying context [/devopsnapratica]
Feb 10, 2017 2:16:37 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/devopsnapratica] appears to have started a thread named [Abandoned connection cleanup thread] but has failed to stop it. This is very likely to create a memory leak.
Feb 10, 2017 2:16:37 AM org.apache.catalina.startup.HostConfig deployWAR
INFO: Deploying web application archive /var/lib/tomcat7/webapps/devopsnapratica.war
[ WARN] 02:16:56 RuntimeEnvironmentPropertiesConfigurer - Unable to determine runtime environment, using default environment 'development'
[ERROR] 02:17:02 Ejb3Configuration - Container is providing a null PersistenceUnitRootUrl: discovery impossible
[ WARN] 02:17:05 Ejb3Configuration - hibernate.connection.autocommit = false break the EJB3 specification
[ WARN] 02:17:06 AbstractEhcacheRegionFactory - Couldn't find a specific ehcache configuration for cache named [blSandBoxElements]; using defaults.
[ WARN] 02:17:24 AbstractEhcacheRegionFactory - Couldn't find a specific ehcache configuration for cache named [org.hibernate.cache.UpdateTimestampsCache]; using defaults.
[ERROR] 02:17:26 Ejb3Configuration - Container is providing a null PersistenceUnitRootUrl: discovery impossible
[ WARN] 02:17:26 Ejb3Configuration - hibernate.connection.autocommit = false break the EJB3 specification
[ERROR] 02:17:27 Ejb3Configuration - Container is providing a null PersistenceUnitRootUrl: discovery impossible
[ WARN] 02:17:27 Ejb3Configuration - hibernate.connection.autocommit = false break the EJB3 specification
Exception in thread "ContainerBackgroundProcessor[StandardEngine[Catalina]]" java.lang.OutOfMemoryError: PermGen space
at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
at java.util.concurrent.FutureTask.get(FutureTask.java:111)
at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:751)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:471)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1453)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:295)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1379)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1537)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1547)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1526)
at java.lang.Thread.run(Thread.java:701)