java.lang.UnsupportedClassVersionError: logastore/Stockstable : Unsupported major.minor version 51.0
   at java.lang.ClassLoader.defineClass1(ClassLoader.java:0)
   at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
   at java.lang.ClassLoader.defineClass(ClassLoader.java:465)
   at org.netbeans.modules.form.project.ProjectClassLoader.findClass(ProjectClassLoader.java:162)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
   at org.netbeans.modules.form.project.FormClassLoader.findClass(FormClassLoader.java:83)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
   at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
   at java.lang.Class.forName0(Class.java:0)
   at java.lang.Class.forName(Class.java:247)
   at org.netbeans.modules.form.project.ClassPathUtils.loadClass(ClassPathUtils.java:96)
   at org.netbeans.modules.form.FormUtils.loadClass(FormUtils.java:1463)
   at org.netbeans.modules.form.FormUtils.loadClass(FormUtils.java:1470)
   at org.netbeans.modules.form.BindingDesignSupport.treeToType(BindingDesignSupport.java:535)
   at org.netbeans.modules.form.BindingDesignSupport.access$200(BindingDesignSupport.java:87)
   at org.netbeans.modules.form.BindingDesignSupport$3.run(BindingDesignSupport.java:644)
   at org.netbeans.modules.form.BindingDesignSupport$3.run(BindingDesignSupport.java:593)
   at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:482)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:635)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:154)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:138)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:210)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:207)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:168)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:356)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:71)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:207)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106)
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:432)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:403)
   at org.netbeans.modules.form.BindingDesignSupport.determineTypeParameter(BindingDesignSupport.java:593)
   at org.netbeans.modules.form.BindingDesignSupport.determineType(BindingDesignSupport.java:573)
   at org.netbeans.modules.form.BindingDesignSupport.determineType(BindingDesignSupport.java:695)
   at org.netbeans.modules.form.BindingDesignSupport.determineType(BindingDesignSupport.java:712)
   at org.netbeans.modules.form.BindingCustomizer$ExpressionNode.loadChildren(BindingCustomizer.java:1367)
   at org.netbeans.modules.form.BindingCustomizer$ExpressionNode.loadChildren(BindingCustomizer.java:1352)
   at javax.swing.JTree$DynamicUtilTreeNode.getChildCount(JTree.java:3778)
   at javax.swing.tree.DefaultTreeModel.getChildCount(DefaultTreeModel.java:168)
   at javax.swing.tree.VariableHeightLayoutCache$TreeStateNode.expand(VariableHeightLayoutCache.java:1461)
   at javax.swing.tree.VariableHeightLayoutCache$TreeStateNode.expand(VariableHeightLayoutCache.java:1270)
   at javax.swing.tree.VariableHeightLayoutCache.rebuild(VariableHeightLayoutCache.java:725)
   at javax.swing.tree.VariableHeightLayoutCache.treeStructureChanged(VariableHeightLayoutCache.java:626)
   at javax.swing.plaf.basic.BasicTreeUI$Handler.treeStructureChanged(BasicTreeUI.java:3931)
   at javax.swing.tree.DefaultTreeModel.fireTreeStructureChanged(DefaultTreeModel.java:561)
   at javax.swing.tree.DefaultTreeModel.nodeStructureChanged(DefaultTreeModel.java:347)
   at javax.swing.tree.DefaultTreeModel.setRoot(DefaultTreeModel.java:117)
   at org.netbeans.modules.form.BindingCustomizer.sourceComboActionPerformed(BindingCustomizer.java:1119)
   at org.netbeans.modules.form.BindingCustomizer.access$1200(BindingCustomizer.java:85)
   at org.netbeans.modules.form.BindingCustomizer$FormListener.actionPerformed(BindingCustomizer.java:1032)
   at javax.swing.JComboBox.fireActionEvent(JComboBox.java:1242)
   at javax.swing.JComboBox.setSelectedItem(JComboBox.java:569)
   at javax.swing.JComboBox.setSelectedIndex(JComboBox.java:605)
   at org.netbeans.modules.form.BindingCustomizer.setBindingToUI(BindingCustomizer.java:397)
   at org.netbeans.modules.form.BindingCustomizer.setBinding(BindingCustomizer.java:276)
   at org.netbeans.modules.form.actions.BindAction$BindingMenuItem.actionPerformed(BindAction.java:162)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
   at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
   at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
   at javax.swing.AbstractButton.doClick(AbstractButton.java:357)
   at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1170)
   at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1211)
   at java.awt.Component.processMouseEvent(Component.java:6038)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3260)
   at java.awt.Component.processEvent(Component.java:5803)
   at java.awt.Container.processEvent(Container.java:2058)
   at java.awt.Component.dispatchEventImpl(Component.java:4410)
   at java.awt.Container.dispatchEventImpl(Container.java:2116)
   at java.awt.Component.dispatchEvent(Component.java:4240)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4322)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3986)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3916)
   at java.awt.Container.dispatchEventImpl(Container.java:2102)
   at java.awt.Window.dispatchEventImpl(Window.java:2429)
   at java.awt.Component.dispatchEvent(Component.java:4240)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:148)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)