java.lang.ClassNotFoundException: org.netbeans.modules.db.explorer.OpenConnection at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at org.apache.tools.ant.module.bridge.AntBridge$MaskedClassLoader.loadClass(AntBridge.java:621) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:242) [catch] at org.netbeans.modules.db.explorer.DatabaseConnection.(DatabaseConnection.java:103) at org.netbeans.modules.db.explorer.DatabaseConnection.(DatabaseConnection.java:117) at org.netbeans.modules.db.explorer.infos.DatabaseNodeInfo.getDatabaseConnection(DatabaseNodeInfo.java:475) at org.netbeans.modules.db.runtime.DatabaseRuntimeManager.getDatabaseConnection(DatabaseRuntimeManager.java:179) at org.netbeans.modules.j2ee.sun.ide.j2ee.ConfigurationSupportImpl.getDatabaseConnection(ConfigurationSupportImpl.java:525) at org.netbeans.modules.j2ee.sun.ide.j2ee.ConfigurationSupportImpl.createDatabaseResources(ConfigurationSupportImpl.java:442) at org.netbeans.modules.j2ee.sun.ide.j2ee.ConfigurationSupportImpl.ensureResourceDefined(ConfigurationSupportImpl.java:204) at org.netbeans.modules.j2ee.sun.ide.j2ee.ConfigurationSupportFacade.ensureResourceDefined(ConfigurationSupportFacade.java:47) at org.netbeans.modules.j2ee.deployment.config.ConfigBeanStorage.addChild(ConfigBeanStorage.java:157) at org.netbeans.modules.j2ee.deployment.config.ConfigBeanStorage.initChildren(ConfigBeanStorage.java:100) at org.netbeans.modules.j2ee.deployment.config.ConfigBeanStorage.(ConfigBeanStorage.java:54) at org.netbeans.modules.j2ee.deployment.config.ConfigBeanStorage.addChild(ConfigBeanStorage.java:160) at org.netbeans.modules.j2ee.deployment.config.ConfigBeanStorage.initChildren(ConfigBeanStorage.java:100) at org.netbeans.modules.j2ee.deployment.config.ConfigBeanStorage.(ConfigBeanStorage.java:54) at org.netbeans.modules.j2ee.deployment.config.ModuleDeploymentSupport.createConfigs(ModuleDeploymentSupport.java:195) at org.netbeans.modules.j2ee.deployment.config.ConfigurationStorage.createDConfigBean(ConfigurationStorage.java:265) at org.netbeans.modules.j2ee.deployment.config.ConfigurationStorage.load(ConfigurationStorage.java:337) at org.netbeans.modules.j2ee.deployment.config.ConfigurationStorage.init(ConfigurationStorage.java:88) at org.netbeans.modules.j2ee.deployment.config.ConfigurationStorage.(ConfigurationStorage.java:67) at org.netbeans.modules.j2ee.deployment.config.ConfigDataObject.getStorage(ConfigDataObject.java:243) at org.netbeans.modules.j2ee.deployment.config.ConfigDataObject.getCookie(ConfigDataObject.java:185) at org.netbeans.modules.j2ee.deployment.config.ConfigSupportImpl.getStorage(ConfigSupportImpl.java:327) at org.netbeans.modules.j2ee.deployment.impl.projects.DeploymentTargetImpl.getDeploymentConfigurationProvider(DeploymentTargetImpl.java:214) at org.netbeans.modules.j2ee.deployment.impl.TargetServer.init(TargetServer.java:92) at org.netbeans.modules.j2ee.deployment.impl.TargetServer.deploy(TargetServer.java:552) at org.netbeans.modules.j2ee.deployment.devmodules.api.Deployment.deploy(Deployment.java:129) at org.netbeans.modules.j2ee.ant.Deploy.execute(Deploy.java:62) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275) at org.apache.tools.ant.Task.perform(Task.java:364) at org.apache.tools.ant.Target.execute(Target.java:341) at org.apache.tools.ant.Target.performTasks(Target.java:369) at org.apache.tools.ant.Project.executeTarget(Project.java:1214) at org.apache.tools.ant.Project.executeTargets(Project.java:1062) at org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:234) at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:242) at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:125)