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java.lang.ClassNotFoundException: org.postgresql.Driver	at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:467)	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)	at org.apache.geronimo.hook.equinox.GeronimoClassLoader.loadClass(GeronimoClassLoader.java:85)	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)	at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:345)	at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)	at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1207)	at org.apache.geronimo.jdbc.DatabaseDriverExtender.loadDrivers(DatabaseDriverExtender.java:76)	at org.apache.geronimo.jdbc.DatabaseDriverExtender.access$100(DatabaseDriverExtender.java:43)	at org.apache.geronimo.jdbc.DatabaseDriverExtender$DriverBundleTrackerCustomizer.addingBundle(DatabaseDriverExtender.java:108)	at org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:482)	at org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:1)	at org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:262)	at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:234)	at org.osgi.util.tracker.BundleTracker$Tracked.bundleChanged(BundleTracker.java:457)	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:847)	at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)	at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)	at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEventPrivileged(Framework.java:1523)	at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEvent(Framework.java:1459)	at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEvent(Framework.java:1454)	at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:391)	at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:299)	at org.apache.geronimo.system.configuration.DependencyManager.starting(DependencyManager.java:517)	at org.apache.geronimo.system.configuration.DependencyManager.bundleChanged(DependencyManager.java:120)	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:847)	at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)	at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)	at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEventPrivileged(Framework.java:1523)	at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEvent(Framework.java:1459)	at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEvent(Framework.java:1454)	at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:367)	at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:299)	at org.apache.geronimo.deployment.DeploymentContext.createTempConfiguration(DeploymentContext.java:204)	at org.apache.geronimo.deployment.DeploymentContext.initializeConfiguration(DeploymentContext.java:192)	at org.apache.geronimo.j2ee.deployment.EARConfigBuilder.buildConfiguration(EARConfigBuilder.java:662)	at org.apache.geronimo.deployment.Deployer.deploy(Deployer.java:281)	at org.apache.geronimo.deployment.Deployer.deploy(Deployer.java:145)	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.geronimo.gbean.runtime.ReflectionMethodInvoker.invoke(ReflectionMethodInvoker.java:34)	at org.apache.geronimo.gbean.runtime.GBeanOperation.invoke(GBeanOperation.java:131)	at org.apache.geronimo.gbean.runtime.GBeanInstance.invoke(GBeanInstance.java:883)	at org.apache.geronimo.kernel.basic.BasicKernel.invoke(BasicKernel.java:245)	at org.apache.geronimo.deployment.plugin.local.AbstractDeployCommand.doDeploy(AbstractDeployCommand.java:116)	at org.apache.geronimo.deployment.plugin.local.DistributeCommand.run(DistributeCommand.java:61)	at java.lang.Thread.run(Thread.java:662)