Database Connection Error :

java.lang.Exception: Error reading DBConfig:

Caused by: java.lang.Exception: Error reading DBConfig.
java.lang.NullPointerException
	at java.util.Properties$LineReader.readLine(Properties.java:418)
	at java.util.Properties.load0(Properties.java:337)
	at java.util.Properties.load(Properties.java:325)
	at CPPooler.(cppooler.java:410)
	at SPBridge.InstanceName(spbridge.java:176)
	at SPBridge.Globals(spbridge.java:134)
	at com.zucchetti.sitepainter.Library.getEntityTables(library.java:1177)
	at gsdm_adocumentBL.GetLinkDef(gsdm_adocumentBL.java:3025)
	at gsdm_adocumentBL.(gsdm_adocumentBL.java:70)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:169)
	at com.zucchetti.sitepainter.EventHandler.addEventHandler(eventhandler.java:168)
	at com.zucchetti.sitepainter.EventHandler.addEventHandler(eventhandler.java:136)
	at CPLib.AddEventHandler(cplib.java:2995)
	at CPLib$2.run(cplib.java:160)
	at com.zucchetti.sitepainter.EventHandler.resetToEVTs(eventhandler.java:300)
	at CPLib.(cplib.java:170)
	at SPApplicationShutdown.contextInitialized(spapplicationshutdown.java:31)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3934)
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4429)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)
	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:987)
	at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:909)
	at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:495)
	at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1206)
	at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:314)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
	at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
	at org.apache.catalina.core.StandardService.start(StandardService.java:516)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:583)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)

	at CPPooler.(cppooler.java:429)
	at SPBridge.InstanceName(spbridge.java:176)
	at SPBridge.Globals(spbridge.java:134)
	at com.zucchetti.sitepainter.Library.getEntityTables(library.java:1177)
	at gsdm_adocumentBL.GetLinkDef(gsdm_adocumentBL.java:3025)
	at gsdm_adocumentBL.(gsdm_adocumentBL.java:70)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:169)
	at com.zucchetti.sitepainter.EventHandler.addEventHandler(eventhandler.java:168)
	at com.zucchetti.sitepainter.EventHandler.addEventHandler(eventhandler.java:136)
	at CPLib.AddEventHandler(cplib.java:2995)
	at CPLib$2.run(cplib.java:160)
	at com.zucchetti.sitepainter.EventHandler.resetToEVTs(eventhandler.java:300)
	at CPLib.(cplib.java:170)
	at SPApplicationShutdown.contextInitialized(spapplicationshutdown.java:31)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3934)
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4429)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)
	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:987)
	at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:909)
	at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:495)
	at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1206)
	at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:314)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
	at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
	at org.apache.catalina.core.StandardService.start(StandardService.java:516)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:583)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)