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• How to determine errors in java

  - by user225269

  I'm just a java beginner. Do you have any tips there on how to determine errors. I'm trying to connect to mysql derby database. I don't know how to determine the error, there is no red line, but there is a message box that shows up when I try to run the program. All I want to do is to display the first record in the database. All I get is this in the output: E:\Users\users.netbeans\6.8\var\cache\executor-snippets\run.xml:45: package Employees; import java.sql.Statement; import javax.swing.JOptionPane; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; import java.sql.ResultSet; /** * * @author Nrew */ public class Students extends javax.swing.JFrame { Connection con; Statement stmt; ResultSet rs; /** Creates new form Students */ public Students() { initComponents(); DoConnect(); } public void DoConnect(){ try { String host= "jdbc:derby://localhost:1527/YURA"; String uname = "bart"; String pword = "12345"; con = DriverManager.getConnection(host, uname, pword); stmt = con.createStatement( ); String SQL = "SELECT * FROM APP.XROSS"; rs = stmt.executeQuery(SQL); rs.next(); rs.next( ); int ids = rs.getInt("IDNUM"); String idz = Integer.toString(ids); String fname = rs.getString("FNAME"); String lname = rs.getString("LNAME"); String course = rs.getString("COURSE"); String skul = rs.getString("SCHOOL"); String gen = rs.getString("GENDER"); TextIDNUM.setText(idz); TextFNAME.setText(fname); TextLNAME.setText(lname); textCOURSE.setText(course); textSCHOOL.setText(skul); textGENDER.setText(gen); } catch (SQLException err) { JOptionPane.showMessageDialog(Students.this, err.getMessage()); } } /** This method is called from within the constructor to * initialize the form. * WARNING: Do NOT modify this code. The content of this method is * always regenerated by the Form Editor. */ @SuppressWarnings("unchecked") // <editor-fold defaultstate="collapsed" desc="Generated Code"> private void initComponents() { TextIDNUM = new javax.swing.JTextField(); TextFNAME = new javax.swing.JTextField(); TextLNAME = new javax.swing.JTextField(); textCOURSE = new javax.swing.JTextField(); textSCHOOL = new javax.swing.JTextField(); textGENDER = new javax.swing.JTextField(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGap(116, 116, 116) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false) .addComponent(textGENDER, javax.swing.GroupLayout.Alignment.LEADING) .addComponent(textSCHOOL, javax.swing.GroupLayout.Alignment.LEADING) .addComponent(textCOURSE, javax.swing.GroupLayout.Alignment.LEADING) .addComponent(TextLNAME, javax.swing.GroupLayout.Alignment.LEADING) .addComponent(TextFNAME, javax.swing.GroupLayout.Alignment.LEADING) .addComponent(TextIDNUM, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 151, Short.MAX_VALUE)) .addContainerGap(243, Short.MAX_VALUE)) ); layout.setVerticalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGap(37, 37, 37) .addComponent(TextIDNUM, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(18, 18, 18) .addComponent(TextFNAME, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(18, 18, 18) .addComponent(TextLNAME, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(18, 18, 18) .addComponent(textCOURSE, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(textSCHOOL, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(textGENDER, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addContainerGap(67, Short.MAX_VALUE)) ); pack(); }// </editor-fold> /** * @param args the command line arguments */ public static void main(String args[]) { java.awt.EventQueue.invokeLater(new Runnable() { public void run() { new Students().setVisible(true); } }); } // Variables declaration - do not modify private javax.swing.JTextField TextFNAME; private javax.swing.JTextField TextIDNUM; private javax.swing.JTextField TextLNAME; private javax.swing.JTextField textCOURSE; private javax.swing.JTextField textGENDER; private javax.swing.JTextField textSCHOOL; // End of variables declaration }

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• View bound to paged collection view not updating all of the time.

  - by Thomas

  I new to silverlight and trying to make a business application using the mvvm pattern and ria services. I have a view model class that contains a PagedCollectoinView and it is set to the item source of a datagrid. When I update the PagedCollectionView the datagrid is only updated the first time then after that subsequent changes to the data to not reflect in the view until after another edit. Things seem to be delayed one edit. Below is a summarized example of my xaml and code behind. This is the code for my view model public class CustomerContactLinks : INotifyPropertyChanged { private ObservableCollection<CustomerContactLink> _CustomerContact; public ObservableCollection<CustomerContactLink> CustomerContact { get { if (_CustomerContact == null) _CustomerContact = new ObservableCollection<CustomerContactLink>(); return _CustomerContact; } set { _CustomerContact = value; } } private PagedCollectionView _CustomerContactPaged; public PagedCollectionView CustomerContactPaged { get { if (_CustomerContactPaged == null) _CustomerContactPaged = new PagedCollectionView(CustomerContact); return _CustomerContactPaged; } } private TicketSystemDataContext _ctx; public TicketSystemDataContext ctx { get { if (_ctx == null) _ctx = new TicketSystemDataContext(); return _ctx; } } public void GetAll() { ctx.Load(ctx.GetCustomerContactInfoQuery(), LoadCustomerContactsComplete, null); } private void LoadCustomerContactsComplete(LoadOperation<CustomerContactLink> lo) { foreach (var entity in lo.Entities) { CustomerContact.Add(entity as CustomerContactLink); } } #region INotifyPropertyChanged Members public event PropertyChangedEventHandler PropertyChanged; private void RaisePropertyChanged(string propertyName) { if (PropertyChanged != null) { this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); } } #endregion } Here is the basics of my XAML <Data:DataGrid x:Name="GridCustomers" MinHeight="100" MaxWidth="1000" IsReadOnly="True" AutoGenerateColumns="False"> <Data:DataGrid.Columns> <Data:DataGridTextColumn Header="First Name" Binding="{Binding Customer.FirstName}" Width="105" /> <Data:DataGridTextColumn Header="MI" Binding="{Binding Customer.MiddleName}" Width="35" /> <Data:DataGridTextColumn Header="Last Name" Binding="{Binding Customer.LastName}" Width="105"/> <Data:DataGridTextColumn Header="Address1" Binding="{Binding Contact.Address1}" Width="130"/> <Data:DataGridTextColumn Header="Address2" Binding="{Binding Contact.Address2}" Width="130"/> <Data:DataGridTextColumn Header="City" Binding="{Binding Contact.City}" Width="110"/> <Data:DataGridTextColumn Header="State" Binding="{Binding Contact.State}" Width="50"/> <Data:DataGridTextColumn Header="Zip" Binding="{Binding Contact.Zip}" Width="45"/> <Data:DataGridTextColumn Header="Home" Binding="{Binding Contact.PhoneHome}" Width="85"/> <Data:DataGridTextColumn Header="Cell" Binding="{Binding Contact.PhoneCell}" Width="85"/> <Data:DataGridTextColumn Header="Email" Binding="{Binding Contact.Email}" Width="118"/> </Data:DataGrid.Columns> </Data:DataGrid> <DataForm:DataForm x:Name="CustomerDetails" Header="Customer Details" AutoGenerateFields="False" AutoEdit="False" AutoCommit="False" CommandButtonsVisibility="Edit" Width="1000" Margin="0,5,0,0"> <DataForm:DataForm.EditTemplate> </DataForm:DataForm.EditTemplate> </DataForm:DataForm> And here is my code behind public Customers() { InitializeComponent(); BusyDialogIndicator.IsBusy = true; Loaded += new RoutedEventHandler(Customers_Loaded); CustomerDetails.BeginningEdit += new EventHandler(CustomerDetails_BeginningEdit); } void CustomerDetails_BeginningEdit(object sender, System.ComponentModel.CancelEventArgs e) { CustomerContacts.CustomerContactPaged.EditItem(CustomerDetails.CurrentItem); } private void Customers_Loaded(object sender, RoutedEventArgs e) { CustomerContacts = new CustomerContactLinks(); CustomerContacts.GetAll(); GridCustomers.ItemsSource = CustomerContacts.CustomerContactPaged; GridCustomerPager.Source = CustomerContacts.CustomerContactPaged; GridCustomers.SelectionChanged += new SelectionChangedEventHandler(GridCustomers_SelectionChanged); BusyDialogIndicator.IsBusy = false; } void GridCustomers_SelectionChanged(object sender, SelectionChangedEventArgs e) { CustomerDetails.CurrentItem = GridCustomers.SelectedItem as CustomerContactLink; } private void SaveChanges_Click(object sender, RoutedEventArgs e) { if (WebContext.Current.User.IsAuthenticated) { bool commited = CustomerDetails.CommitEdit(); if (commited && (!CustomerDetails.IsItemChanged && CustomerDetails.IsItemValid)) { CustomerContacts.Update(CustomerDetails.CurrentItem as CustomerContactLink); CustomerContacts.ctx.SubmitChanges(); CustomerContacts.CustomerContactPaged.CommitEdit(); CustomerContacts.CustomerContactPaged.Refresh(); (GridCustomers.ItemsSource as PagedCollectionView).Refresh(); } } }

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• Java unit test coverage numbers do not match.

  - by Dan

  Below is a class I have written in a web application I am building using Java Google App Engine. I have written Unit Tests using TestNG and all the tests pass. I then run EclEmma in Eclipse to see the test coverage on my code. All the functions show 100% coverage but the file as a whole is showing about 27% coverage. Where is the 73% uncovered code coming from? Can anyone help me understand how EclEmma works and why I am getting the discrepancy in numbers? package com.skaxo.sports.models; import javax.jdo.annotations.IdGeneratorStrategy; import javax.jdo.annotations.IdentityType; import javax.jdo.annotations.PersistenceCapable; import javax.jdo.annotations.Persistent; import javax.jdo.annotations.PrimaryKey; @PersistenceCapable(identityType= IdentityType.APPLICATION) public class Account { @PrimaryKey @Persistent(valueStrategy=IdGeneratorStrategy.IDENTITY) private Long id; @Persistent private String userId; @Persistent private String firstName; @Persistent private String lastName; @Persistent private String email; @Persistent private boolean termsOfService; @Persistent private boolean systemEmails; public Account() {} public Account(String firstName, String lastName, String email) { super(); this.firstName = firstName; this.lastName = lastName; this.email = email; } public Account(String userId) { super(); this.userId = userId; } public void setId(Long id) { this.id = id; } public Long getId() { return id; } public String getUserId() { return userId; } public void setUserId(String userId) { this.userId = userId; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } public boolean acceptedTermsOfService() { return termsOfService; } public void setTermsOfService(boolean termsOfService) { this.termsOfService = termsOfService; } public boolean acceptedSystemEmails() { return systemEmails; } public void setSystemEmails(boolean systemEmails) { this.systemEmails = systemEmails; } } Below is the test code for the above class. package com.skaxo.sports.models; import static org.testng.Assert.assertEquals; import static org.testng.Assert.assertNotNull; import static org.testng.Assert.assertTrue; import static org.testng.Assert.assertFalse; import org.testng.annotations.BeforeTest; import org.testng.annotations.Test; public class AccountTest { @Test public void testId() { Account a = new Account(); a.setId(1L); assertEquals((Long) 1L, a.getId(), "ID"); a.setId(3L); assertNotNull(a.getId(), "The ID is set to null."); } @Test public void testUserId() { Account a = new Account(); a.setUserId("123456ABC"); assertEquals(a.getUserId(), "123456ABC", "User ID incorrect."); a = new Account("123456ABC"); assertEquals(a.getUserId(), "123456ABC", "User ID incorrect."); } @Test public void testFirstName() { Account a = new Account("Test", "User", "[email protected]"); assertEquals(a.getFirstName(), "Test", "User first name not equal to 'Test'."); a.setFirstName("John"); assertEquals(a.getFirstName(), "John", "User first name not equal to 'John'."); } @Test public void testLastName() { Account a = new Account("Test", "User", "[email protected]"); assertEquals(a.getLastName(), "User", "User last name not equal to 'User'."); a.setLastName("Doe"); assertEquals(a.getLastName(), "Doe", "User last name not equal to 'Doe'."); } @Test public void testEmail() { Account a = new Account("Test", "User", "[email protected]"); assertEquals(a.getEmail(), "[email protected]", "User email not equal to '[email protected]'."); a.setEmail("[email protected]"); assertEquals(a.getEmail(), "[email protected]", "User email not equal to '[email protected]'."); } @Test public void testAcceptedTermsOfService() { Account a = new Account(); a.setTermsOfService(true); assertTrue(a.acceptedTermsOfService(), "Accepted Terms of Service not true."); a.setTermsOfService(false); assertFalse(a.acceptedTermsOfService(), "Accepted Terms of Service not false."); } @Test public void testAcceptedSystemEmails() { Account a = new Account(); a.setSystemEmails(true); assertTrue(a.acceptedSystemEmails(), "System Emails is not true."); a.setSystemEmails(false); assertFalse(a.acceptedSystemEmails(), "System Emails is not false."); } }

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• Simple XNA 2D demo: why is my F# version slower than C# version?

  - by Den

  When running this XNA application it should display a rotated rectangle that moves from top-left corner to bottom-right corner. It looks like my F# version is noticeably much slower. It seems that the Draw method skips a lot of frames. I am using VS 2012 RC, XNA 4.0, .NET 4.5, F# 3.0. I am trying to make it as functional as possible. What could be the reason for poor performance? C#: class Program { static void Main(string[] args) { using (var game = new FlockGame()) { game.Run(); } } } public class FlockGame : Game { private GraphicsDeviceManager graphics; private DrawingManager drawingManager; private Vector2 position = Vector2.Zero; public FlockGame() { graphics = new GraphicsDeviceManager(this); } protected override void Initialize() { drawingManager = new DrawingManager(graphics.GraphicsDevice); this.IsFixedTimeStep = false; } protected override void Update(GameTime gameTime) { position = new Vector2(position.X + 50.1f * (float)gameTime.ElapsedGameTime.TotalSeconds, position.Y + 50.1f * (float)gameTime.ElapsedGameTime.TotalSeconds); base.Update(gameTime); } protected override void Draw(GameTime gameTime) { //this.GraphicsDevice.Clear(Color.Lavender) drawingManager.DrawRectangle(position, new Vector2(100.0f, 100.0f), 0.7845f, Color.Red); base.Draw(gameTime); } } public class DrawingManager { private GraphicsDevice GraphicsDevice; private Effect Effect; public DrawingManager(GraphicsDevice graphicsDevice) { GraphicsDevice = graphicsDevice; this.Effect = new BasicEffect(this.GraphicsDevice) { VertexColorEnabled = true, Projection = Matrix.CreateOrthographicOffCenter(0.0f, this.GraphicsDevice.Viewport.Width, this.GraphicsDevice.Viewport.Height, 0.0f, 0.0f, 1.0f) }; } private VertexPositionColor[] GetRectangleVertices (Vector2 center, Vector2 size, float radians, Color color) { var halfSize = size/2.0f; var topLeft = -halfSize; var bottomRight = halfSize; var topRight = new Vector2(bottomRight.X, topLeft.Y); var bottomLeft = new Vector2(topLeft.X, bottomRight.Y); topLeft = Vector2.Transform(topLeft, Matrix.CreateRotationZ(radians)) + center; topRight = Vector2.Transform(topRight, Matrix.CreateRotationZ(radians)) + center; bottomRight = Vector2.Transform(bottomRight, Matrix.CreateRotationZ(radians)) + center; bottomLeft = Vector2.Transform(bottomLeft, Matrix.CreateRotationZ(radians)) + center; return new VertexPositionColor[] { new VertexPositionColor(new Vector3(topLeft, 0.0f), color), new VertexPositionColor(new Vector3(topRight, 0.0f), color), new VertexPositionColor(new Vector3(topRight, 0.0f), color), new VertexPositionColor(new Vector3(bottomRight, 0.0f), color), new VertexPositionColor(new Vector3(bottomRight, 0.0f), color), new VertexPositionColor(new Vector3(bottomLeft, 0.0f), color), new VertexPositionColor(new Vector3(bottomLeft, 0.0f), color), new VertexPositionColor(new Vector3(topLeft, 0.0f), color) }; } public void DrawRectangle(Vector2 center, Vector2 size, float radians, Color color) { var vertices = GetRectangleVertices(center, size, radians, color); foreach (var pass in this.Effect.CurrentTechnique.Passes) { pass.Apply(); this.GraphicsDevice.DrawUserPrimitives(PrimitiveType.LineList, vertices, 0, vertices.Length/2); } } } F#: namespace Flocking module FlockingProgram = open System open Flocking [<STAThread>] [<EntryPoint>] let Main _ = use g = new FlockGame() g.Run() 0 //------------------------------------------------------------------------------ namespace Flocking open System open System.Diagnostics open Microsoft.Xna.Framework open Microsoft.Xna.Framework.Graphics open Microsoft.Xna.Framework.Input type public FlockGame() as this = inherit Game() let mutable graphics = new GraphicsDeviceManager(this) let mutable drawingManager = null let mutable position = Vector2.Zero override Game.LoadContent() = drawingManager <- new Rendering.DrawingManager(graphics.GraphicsDevice) this.IsFixedTimeStep <- false override Game.Update gameTime = position <- Vector2(position.X + 50.1f * float32 gameTime.ElapsedGameTime.TotalSeconds, position.Y + 50.1f * float32 gameTime.ElapsedGameTime.TotalSeconds) base.Update gameTime override Game.Draw gameTime = //this.GraphicsDevice.Clear(Color.Lavender) Rendering.DrawRectangle(drawingManager, position, Vector2(100.0f, 100.0f), 0.7845f, Color.Red) base.Draw gameTime //------------------------------------------------------------------------------ namespace Flocking open System open System.Collections.Generic open Microsoft.Xna.Framework open Microsoft.Xna.Framework.Graphics open Microsoft.Xna.Framework.Input module Rendering = [<AllowNullLiteral>] type DrawingManager (graphicsDevice : GraphicsDevice) = member this.GraphicsDevice = graphicsDevice member this.Effect = new BasicEffect(this.GraphicsDevice, VertexColorEnabled = true, Projection = Matrix.CreateOrthographicOffCenter(0.0f, float32 this.GraphicsDevice.Viewport.Width, float32 this.GraphicsDevice.Viewport.Height, 0.0f, 0.0f, 1.0f)) let private GetRectangleVertices (center:Vector2, size:Vector2, radians:float32, color:Color) = let halfSize = size / 2.0f let mutable topLeft = -halfSize let mutable bottomRight = halfSize let mutable topRight = new Vector2(bottomRight.X, topLeft.Y) let mutable bottomLeft = new Vector2(topLeft.X, bottomRight.Y) topLeft <- Vector2.Transform(topLeft, Matrix.CreateRotationZ(radians)) + center topRight <- Vector2.Transform(topRight, Matrix.CreateRotationZ(radians)) + center bottomRight <- Vector2.Transform(bottomRight, Matrix.CreateRotationZ(radians)) + center bottomLeft <- Vector2.Transform(bottomLeft, Matrix.CreateRotationZ(radians)) + center [| new VertexPositionColor(new Vector3(topLeft, 0.0f), color) new VertexPositionColor(new Vector3(topRight, 0.0f), color) new VertexPositionColor(new Vector3(topRight, 0.0f), color) new VertexPositionColor(new Vector3(bottomRight, 0.0f), color) new VertexPositionColor(new Vector3(bottomRight, 0.0f), color) new VertexPositionColor(new Vector3(bottomLeft, 0.0f), color) new VertexPositionColor(new Vector3(bottomLeft, 0.0f), color) new VertexPositionColor(new Vector3(topLeft, 0.0f), color) |] let DrawRectangle (drawingManager:DrawingManager, center:Vector2, size:Vector2, radians:float32, color:Color) = let vertices = GetRectangleVertices(center, size, radians, color) for pass in drawingManager.Effect.CurrentTechnique.Passes do pass.Apply() drawingManager.GraphicsDevice.DrawUserPrimitives(PrimitiveType.LineList, vertices, 0, vertices.Length/2)

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• Collections not read from hibernate/ehcache second-level-cache

  - by Mark van Venrooij

  I'm trying to cache lazy loaded collections with ehcache/hibernate in a Spring project. When I execute a session.get(Parent.class, 123) and browse through the children multiple times a query is executed every time to fetch the children. The parent is only queried the first time and then resolved from the cache. Probably I'm missing something, but I can't find the solution. Please see the relevant code below. I'm using Spring (3.2.4.RELEASE) Hibernate(4.2.1.Final) and ehcache(2.6.6) The parent class: @Entity @Table(name = "PARENT") @Cacheable @Cache(usage = CacheConcurrencyStrategy.READ_WRITE, include = "all") public class ServiceSubscriptionGroup implements Serializable { /** The Id. */ @Id @Column(name = "ID") private int id; @OneToMany(fetch = FetchType.LAZY, mappedBy = "parent") @Cache(usage = CacheConcurrencyStrategy.READ_WRITE) private List<Child> children; public List<Child> getChildren() { return children; } public void setChildren(List<Child> children) { this.children = children; } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; Parent that = (Parent) o; if (id != that.id) return false; return true; } @Override public int hashCode() { return id; } } The child class: @Entity @Table(name = "CHILD") @Cacheable @Cache(usage = CacheConcurrencyStrategy.READ_WRITE, include = "all") public class Child { @Id @Column(name = "ID") private int id; @ManyToOne(fetch = FetchType.LAZY, cascade = CascadeType.ALL) @JoinColumn(name = "PARENT_ID") @Cache(usage = CacheConcurrencyStrategy.READ_WRITE) private Parent parent; public int getId() { return id; } public void setId(final int id) { this.id = id; } private Parent getParent(){ return parent; } private void setParent(Parent parent) { this.parent = parent; } @Override public boolean equals(final Object o) { if (this == o) { return true; } if (o == null || getClass() != o.getClass()) { return false; } final Child that = (Child) o; return id == that.id; } @Override public int hashCode() { return id; } } The application context: <bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <property name="annotatedClasses"> <list> <value>Parent</value> <value>Child</value> </list> </property> <property name="hibernateProperties"> <props> <prop key="hibernate.dialect">org.hibernate.dialect.SQLServer2008Dialect</prop> <prop key="hibernate.hbm2ddl.auto">validate</prop> <prop key="hibernate.ejb.naming_strategy">org.hibernate.cfg.ImprovedNamingStrategy</prop> <prop key="hibernate.connection.charSet">UTF-8</prop> <prop key="hibernate.show_sql">true</prop> <prop key="hibernate.format_sql">true</prop> <prop key="hibernate.use_sql_comments">true</prop> <!-- cache settings ehcache--> <prop key="hibernate.cache.use_second_level_cache">true</prop> <prop key="hibernate.cache.use_query_cache">true</prop> <prop key="hibernate.cache.region.factory_class"> org.hibernate.cache.ehcache.SingletonEhCacheRegionFactory</prop> <prop key="hibernate.generate_statistics">true</prop> <prop key="hibernate.cache.use_structured_entries">true</prop> <prop key="hibernate.cache.use_query_cache">true</prop> <prop key="hibernate.transaction.factory_class"> org.hibernate.engine.transaction.internal.jta.JtaTransactionFactory</prop> <prop key="hibernate.transaction.jta.platform"> org.hibernate.service.jta.platform.internal.JBossStandAloneJtaPlatform</prop> </props> </property> </bean> The testcase I'm running: @Test public void testGetParentFromCache() { for (int i = 0; i <3 ; i++ ) { getEntity(); } } private void getEntity() { Session sess = sessionFactory.openSession() sess.setCacheMode(CacheMode.NORMAL); Transaction t = sess.beginTransaction(); Parent p = (Parent) s.get(Parent.class, 123); Assert.assertNotNull(p); Assert.assertNotNull(p.getChildren().size()); t.commit(); sess.flush(); sess.clear(); sess.close(); } In the logging I can see that the first time 2 queries are executed getting the parent and getting the children. Furthermore the logging shows that the child entities as well as the collection are stored in the 2nd level cache. However when reading the collection a query is executed to fetch the children on second and third attempt.

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• LWJGL Circle program create's an oval-like shape

  - by N1ghtk1n9

  I'm trying to draw a circle in LWJGL, but when I draw I try to draw it, it makes a shape that's more like an oval rather than a circle. Also, when I change my circleVertexCount 350+, the shape like flips out. I'm really not sure how the code works that creates the vertices(I have taken Geometry and I know the basic trig ratios). I haven't really found that good of tutorials on creating circles. Here's my code: public class Circles { // Setup variables private int WIDTH = 800; private int HEIGHT = 600; private String title = "Circle"; private float fXOffset; private int vbo = 0; private int vao = 0; int circleVertexCount = 300; float[] vertexData = new float[(circleVertexCount + 1) * 4]; public Circles() { setupOpenGL(); setupQuad(); while (!Display.isCloseRequested()) { loop(); adjustVertexData(); Display.update(); Display.sync(60); } Display.destroy(); } public void setupOpenGL() { try { Display.setDisplayMode(new DisplayMode(WIDTH, HEIGHT)); Display.setTitle(title); Display.create(); } catch (LWJGLException e) { e.printStackTrace(); System.exit(-1); } glClearColor(0.0f, 0.0f, 0.0f, 0.0f); } public void setupQuad() { float r = 0.1f; float x; float y; float offSetX = 0f; float offSetY = 0f; double theta = 2.0 * Math.PI; vertexData[0] = (float) Math.sin(theta / circleVertexCount) * r + offSetX; vertexData[1] = (float) Math.cos(theta / circleVertexCount) * r + offSetY; for (int i = 2; i < 400; i += 2) { double angle = theta * i / circleVertexCount; x = (float) Math.cos(angle) * r; vertexData[i] = x + offSetX; } for (int i = 3; i < 404; i += 2) { double angle = Math.PI * 2 * i / circleVertexCount; y = (float) Math.sin(angle) * r; vertexData[i] = y + offSetY; } FloatBuffer vertexBuffer = BufferUtils.createFloatBuffer(vertexData.length); vertexBuffer.put(vertexData); vertexBuffer.flip(); vao = glGenVertexArrays(); glBindVertexArray(vao); vbo = glGenBuffers(); glBindBuffer(GL_ARRAY_BUFFER, vbo); glBufferData(GL_ARRAY_BUFFER,vertexBuffer, GL_STATIC_DRAW); glVertexAttribPointer(0, 2, GL_FLOAT, false, 0, 0); glBindBuffer(GL_ARRAY_BUFFER, 0); glBindVertexArray(0); } public void loop() { glClear(GL_COLOR_BUFFER_BIT); glBindVertexArray(vao); glEnableVertexAttribArray(0); glDrawArrays(GL_TRIANGLE_FAN, 0, vertexData.length / 2); glDisableVertexAttribArray(0); glBindVertexArray(0); } public static void main(String[] args) { new Circles(); } private void adjustVertexData() { float newData[] = new float[vertexData.length]; System.arraycopy(vertexData, 0, newData, 0, vertexData.length); if(Keyboard.isKeyDown(Keyboard.KEY_W)) { fXOffset += 0.05f; } else if(Keyboard.isKeyDown(Keyboard.KEY_S)) { fXOffset -= 0.05f; } for(int i = 0; i < vertexData.length; i += 2) { newData[i] += fXOffset; } FloatBuffer newDataBuffer = BufferUtils.createFloatBuffer(newData.length); newDataBuffer.put(newData); newDataBuffer.flip(); glBindBuffer(GL_ARRAY_BUFFER, vbo); glBufferSubData(GL_ARRAY_BUFFER, 0, newDataBuffer); glBindBuffer(GL_ARRAY_BUFFER, 0); } } 300 Vertex Count(This is my main problem) 400 Vertex Count - I removed this image, it's bugged out, should be a tiny sliver cut out from the right, like a secant 500 Vertex Count Each 100, it removes more and more of the circle, and so on.

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• How to detect crashing tabed webbrowser and handle it?

  - by David Eaton

  I have a desktop application (forms) with a tab control, I assign a tab and a new custom webrowser control. I open up about 10 of these tabs. Each one visits about 100 - 500 different pages. The trouble is that if 1 webbrowser control has a problem it shuts down the entire program. I want to be able to close the offending webbrowser control and open a new one in it's place. Is there any event that I need to subscribe to catch a crashing or unresponsive webbrowser control ? I am using C# on windows 7 (Forms), .NET framework v4 =============================================================== UPDATE: 1 - The Tabbed WebBrowser Example Here is the code I have and How I use the webbrowser control in the most basic way. Create a new forms project and name it SimpleWeb Add a new class and name it myWeb.cs, here is the code to use. using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Windows.Forms; using System.Security.Policy; namespace SimpleWeb { //inhert all of webbrowser class myWeb : WebBrowser { public myWeb() { //no javascript errors this.ScriptErrorsSuppressed = true; //Something we want set? AssignEvents(); } //keep near the top private void AssignEvents() { //assign WebBrowser events to our custom methods Navigated += myWeb_Navigated; DocumentCompleted += myWeb_DocumentCompleted; Navigating += myWeb_Navigating; NewWindow += myWeb_NewWindow; } #region Events //List of events:http://msdn.microsoft.com/en-us/library/system.windows.forms.webbrowser_events%28v=vs.100%29.aspx //Fired when a new windows opens private void myWeb_NewWindow(object sender, System.ComponentModel.CancelEventArgs e) { //cancel all popup windows e.Cancel = true; //beep to let you know canceled new window Console.Beep(9000, 200); } //Fired before page is navigated (not sure if its before or during?) private void myWeb_Navigating(object sender, System.Windows.Forms.WebBrowserNavigatingEventArgs args) { } //Fired after page is navigated (but not loaded) private void myWeb_Navigated(object sender, System.Windows.Forms.WebBrowserNavigatedEventArgs args) { } //Fired after page is loaded (Catch 22 - Iframes could be considered a page, can fire more than once. Ads are good examples) private void myWeb_DocumentCompleted(System.Object sender, System.Windows.Forms.WebBrowserDocumentCompletedEventArgs args) { } #endregion //Answer supplied by mo. (modified)? public void OpenUrl(string url) { try { //this.OpenUrl(url); this.Navigate(url); } catch (Exception ex) { MessageBox.Show("Your App Crashed! Because = " + ex.ToString()); //MyApplication.HandleException(ex); } } //Keep near the bottom private void RemoveEvents() { //Remove Events Navigated -= myWeb_Navigated; DocumentCompleted -= myWeb_DocumentCompleted; Navigating -= myWeb_Navigating; NewWindow -= myWeb_NewWindow; } } } On Form1 drag a standard tabControl and set the dock to fill, you can go into the tab collection and delete the pre-populated tabs if you like. Right Click on Form1 and Select "View Code" and replace it with this code. using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using mshtml; namespace SimpleWeb { public partial class Form1 : Form { public Form1() { InitializeComponent(); //Load Up 10 Tabs for (int i = 0; i <= 10; i++) { newTab("Test_" + i, "http://wwww.yahoo.com"); } } private void newTab(string Title, String Url) { //Create a new Tab TabPage newTab = new TabPage(); newTab.Name = Title; newTab.Text = Title; //create webbrowser Instance myWeb newWeb = new myWeb(); //Add webbrowser to new tab newTab.Controls.Add(newWeb); newWeb.Dock = DockStyle.Fill; //Add New Tab to Tab Pages tabControl1.TabPages.Add(newTab); newWeb.OpenUrl(Url); } } } Save and Run the project. Using the answer below by mo. , you can surf the first url with no problem, but what about all the urls the user clicks on? How do we check those? I prefer not to add events to every single html element on a page, there has to be a way to run the new urls thru the function OpenUrl before it navigates without having an endless loop. Thanks.

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• Version Assemblies with TFS 2010 Continuous Integration

  - by Steve Michelotti

  When I first heard that TFS 2010 had moved to Workflow Foundation for Team Build, I was *extremely* skeptical. I’ve loved MSBuild and didn’t quite understand the reasons for this change. In fact, given that I’ve been exclusively using Cruise Control for Continuous Integration (CI) for the last 5+ years of my career, I was skeptical of TFS for CI in general. However, after going through the learning process for TFS 2010 recently, I’m starting to become a believer. I’m also starting to see some of the benefits with Workflow Foundation for the overall processing because it gives you constructs not available in MSBuild such as parallel tasks, better control flow constructs, and a slightly better customization story. The first customization I had to make to the build process was to version the assemblies of my solution. This is not new. In fact, I’d recommend reading Mike Fourie’s well known post on Versioning Code in TFS before you get started. This post describes several foundational aspects of versioning assemblies regardless of your version of TFS. The main points are: 1) don’t use source control operations for your version file, 2) use a schema like <Major>.<Minor>.<IncrementalNumber>.0, and 3) do not keep AssemblyVersion and AssemblyFileVersion in sync. To do this in TFS 2010, the best post I’ve found has been Jim Lamb’s post of building a custom TFS 2010 workflow activity. Overall, this post is excellent but the primary issue I have with it is that the assembly version numbers produced are based in a date and look like this: “2010.5.15.1”. This is definitely not what I want. I want to be able to communicate to the developers and stakeholders that we are producing the “1.1 release” or “1.2 release” – which would have an assembly version number of “1.1.317.0” for example. In this post, I’ll walk through the process of customizing the assembly version number based on this method – customizing the concepts in Lamb’s post to suit my needs. I’ll also be combining this with the concepts of Fourie’s post – particularly with regards to the standards around how to version the assemblies. The first thing I’ll do is add a file called SolutionAssemblyVersionInfo.cs to the root of my solution that looks like this: 1: using System; 2: using System.Reflection; 3: [assembly: AssemblyVersion("1.1.0.0")] 4: [assembly: AssemblyFileVersion("1.1.0.0")] I’ll then add that file as a Visual Studio link file to each project in my solution by right-clicking the project, “Add – Existing Item…” then when I click the SolutionAssemblyVersionInfo.cs file, making sure I “Add As Link”: Now the Solution Explorer will show our file. We can see that it’s a “link” file because of the black arrow in the icon within all our projects. Of course you’ll need to remove the AssemblyVersion and AssemblyFileVersion attributes from the AssemblyInfo.cs files to avoid the duplicate attributes since they now leave in the SolutionAssemblyVersionInfo.cs file. This is an extremely common technique so that all the projects in our solution can be versioned as a unit. At this point, we’re ready to write our custom activity. The primary consideration is that I want the developer and/or tech lead to be able to easily be in control of the Major.Minor and then I want the CI process to add the third number with a unique incremental number. We’ll leave the fourth position always “0” for now – it’s held in reserve in case the day ever comes where we need to do an emergency patch to Production based on a branched version.   Writing the Custom Workflow Activity Similar to Lamb’s post, I’m going to write two custom workflow activities. The “outer” activity (a xaml activity) will be pretty straight forward. It will check if the solution version file exists in the solution root and, if so, delegate the replacement of version to the AssemblyVersionInfo activity which is a CodeActivity highlighted in red below:   Notice that the arguments of this activity are the “solutionVersionFile” and “tfsBuildNumber” which will be passed in. The tfsBuildNumber passed in will look something like this: “CI_MyApplication.4” and we’ll need to grab the “4” (i.e., the incremental revision number) and put that in the third position. Then we’ll need to honor whatever was specified for Major.Minor in the SolutionAssemblyVersionInfo.cs file. For example, if the SolutionAssemblyVersionInfo.cs file had “1.1.0.0” for the AssemblyVersion (as shown in the first code block near the beginning of this post), then we want to resulting file to have “1.1.4.0”. Before we do anything, let’s put together a unit test for all this so we can know if we get it right: 1: [TestMethod] 2: public void Assembly_version_should_be_parsed_correctly_from_build_name() 3: { 4: // arrange 5: const string versionFile = "SolutionAssemblyVersionInfo.cs"; 6: WriteTestVersionFile(versionFile); 7: var activity = new VersionAssemblies(); 8: var arguments = new Dictionary<string, object> { 9: { "tfsBuildNumber", "CI_MyApplication.4"}, 10: { "solutionVersionFile", versionFile} 11: }; 12:   13: // act 14: var result = WorkflowInvoker.Invoke(activity, arguments); 15:   16: // assert 17: Assert.AreEqual("1.2.4.0", (string)result["newAssemblyFileVersion"]); 18: var lines = File.ReadAllLines(versionFile); 19: Assert.IsTrue(lines.Contains("[assembly: AssemblyVersion(\"1.2.0.0\")]")); 20: Assert.IsTrue(lines.Contains("[assembly: AssemblyFileVersion(\"1.2.4.0\")]")); 21: } 22: 23: private void WriteTestVersionFile(string versionFile) 24: { 25: var fileContents = "using System.Reflection;\n" + 26: "[assembly: AssemblyVersion(\"1.2.0.0\")]\n" + 27: "[assembly: AssemblyFileVersion(\"1.2.0.0\")]"; 28: File.WriteAllText(versionFile, fileContents); 29: }   At this point, the code for our AssemblyVersion activity is pretty straight forward: 1: [BuildActivity(HostEnvironmentOption.Agent)] 2: public class AssemblyVersionInfo : CodeActivity 3: { 4: [RequiredArgument] 5: public InArgument<string> FileName { get; set; } 6:   7: [RequiredArgument] 8: public InArgument<string> TfsBuildNumber { get; set; } 9:   10: public OutArgument<string> NewAssemblyFileVersion { get; set; } 11:   12: protected override void Execute(CodeActivityContext context) 13: { 14: var solutionVersionFile = this.FileName.Get(context); 15: 16: // Ensure that the file is writeable 17: var fileAttributes = File.GetAttributes(solutionVersionFile); 18: File.SetAttributes(solutionVersionFile, fileAttributes & ~FileAttributes.ReadOnly); 19:   20: // Prepare assembly versions 21: var majorMinor = GetAssemblyMajorMinorVersionBasedOnExisting(solutionVersionFile); 22: var newBuildNumber = GetNewBuildNumber(this.TfsBuildNumber.Get(context)); 23: var newAssemblyVersion = string.Format("{0}.{1}.0.0", majorMinor.Item1, majorMinor.Item2); 24: var newAssemblyFileVersion = string.Format("{0}.{1}.{2}.0", majorMinor.Item1, majorMinor.Item2, newBuildNumber); 25: this.NewAssemblyFileVersion.Set(context, newAssemblyFileVersion); 26:   27: // Perform the actual replacement 28: var contents = this.GetFileContents(newAssemblyVersion, newAssemblyFileVersion); 29: File.WriteAllText(solutionVersionFile, contents); 30:   31: // Restore the file's original attributes 32: File.SetAttributes(solutionVersionFile, fileAttributes); 33: } 34:   35: #region Private Methods 36:   37: private string GetFileContents(string newAssemblyVersion, string newAssemblyFileVersion) 38: { 39: var cs = new StringBuilder(); 40: cs.AppendLine("using System.Reflection;"); 41: cs.AppendFormat("[assembly: AssemblyVersion(\"{0}\")]", newAssemblyVersion); 42: cs.AppendLine(); 43: cs.AppendFormat("[assembly: AssemblyFileVersion(\"{0}\")]", newAssemblyFileVersion); 44: return cs.ToString(); 45: } 46:   47: private Tuple<string, string> GetAssemblyMajorMinorVersionBasedOnExisting(string filePath) 48: { 49: var lines = File.ReadAllLines(filePath); 50: var versionLine = lines.Where(x => x.Contains("AssemblyVersion")).FirstOrDefault(); 51:   52: if (versionLine == null) 53: { 54: throw new InvalidOperationException("File does not contain [assembly: AssemblyVersion] attribute"); 55: } 56:   57: return ExtractMajorMinor(versionLine); 58: } 59:   60: private static Tuple<string, string> ExtractMajorMinor(string versionLine) 61: { 62: var firstQuote = versionLine.IndexOf('"') + 1; 63: var secondQuote = versionLine.IndexOf('"', firstQuote); 64: var version = versionLine.Substring(firstQuote, secondQuote - firstQuote); 65: var versionParts = version.Split('.'); 66: return new Tuple<string, string>(versionParts[0], versionParts[1]); 67: } 68:   69: private string GetNewBuildNumber(string buildName) 70: { 71: return buildName.Substring(buildName.LastIndexOf(".") + 1); 72: } 73:   74: #endregion 75: }   At this point the final step is to incorporate this activity into the overall build template. Make a copy of the DefaultTempate.xaml – we’ll call it DefaultTemplateWithVersioning.xaml. Before the build and labeling happens, drag the VersionAssemblies activity in. Then set the LabelName variable to “BuildDetail.BuildDefinition.Name + "-" + newAssemblyFileVersion since the newAssemblyFileVersion was produced by our activity.   Configuring CI Once you add your solution to source control, you can configure CI with the build definition window as shown here. The main difference is that we’ll change the Process tab to reflect a different build number format and choose our custom build process file:   When the build completes, we’ll see the name of our project with the unique revision number:   If we look at the detailed build log for the latest build, we’ll see the label being created with our custom task:     We can now look at the history labels in TFS and see the project name with the labels (the Assignment activity I added to the workflow):   Finally, if we look at the physical assemblies that are produced, we can right-click on any assembly in Windows Explorer and see the assembly version in its properties:   Full Traceability We now have full traceability for our code. There will never be a question of what code was deployed to Production. You can always see the assembly version in the properties of the physical assembly. That can be traced back to a label in TFS where the unique revision number matches. The label in TFS gives you the complete snapshot of the code in your source control repository at the time the code was built. This type of process for full traceability has been used for many years for CI – in fact, I’ve done similar things with CCNet and SVN for quite some time. This is simply the TFS implementation of that pattern. The new features that TFS 2010 give you to make these types of customizations in your build process are quite easy once you get over the initial curve.

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• Setting up Windows 2008 with VPN and NAT

  - by Benson

  I have a Windows 2008 box set up with VPN, and that works quite well. NPS is used to validate the VPN clients, who are able to access the private address of the server, once connected. I can't for the life of me get NAT working for the VPN clients, though. I've added NAT as a routing protocol, and set the one on in the VPN address pool as private, and the other as public - but it still won't NAT connections when I add a route through the VPN server's IP on the client side (route add SomeInternetIp IpOfPrivateInterfaceOnServer). I know I can reach the server's private interface (which happens to be 10.2.2.1) with remote desktop client, so I can't think of any issues with the VPN.

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• Distinguishing repetitive code with the same implementation

  - by KyelJmD

  Given this sample code import java.util.ArrayList; import blackjack.model.items.Card; public class BlackJackPlayer extends Player { private double bet; private Hand hand01 = new Hand(); private Hand hand02 = new Hand(); public void addCardToHand01(Card c) { hand01.addCard(c); } public void addCardToHand02(Card c) { hand02.addCard(c); } public void bustHand01() { hand01.setBust(true); } public void bustHand02() { hand02.setBust(true); } public void standHand01() { hand01.setStand(true); } public void standHand02() { hand02.setStand(true); } public boolean isHand01Bust() { return hand01.isBust(); } public boolean isHand02Bust() { return hand02.isBust(); } public boolean isHand01Standing() { return hand01.isStanding(); } public boolean isHand02Standing() { return hand02.isStanding(); } public int getHand01Score(){ return hand01.getCardScore(); } public int getHand02Score(){ return hand02.getCardScore(); } } Is this considered as a repetitive code? providing that each method is operating a seperate field but doing the same implementation ? Note that hand01 and hand02 should be distinct. if this is considered as repetitive code, how would I address this? providing that each hand is a seperate entity

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• Unable to SSH to EC2

  - by Walker

  I downloaded the cert-xxx.pem and pk-xxx.pem files and also the keypair.pem and moved it all to the /.ssh folder on my Ubuntu client machine. this is what I get when I try to SSH with -v at the end debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey debug1: Next authentication method: publickey debug1: Trying private key: /root/.ssh/identity debug1: Trying private key: /root/.ssh/id_rsa debug1: Trying private key: /root/.ssh/id_dsa debug1: No more authentication methods to try. Permission denied (publickey). I am new to administering servers and I want to know if I should be trying to convert the pem files to id_rsa and id_dsa. I am not really sure if that is possible but I don't know how else to get the id_rsa, id_dsa from those pem files or if there is any work around. I managed to get access to EC2 the first time and this is my second try and I am unsuccessful so far. Any help is appreciated. regards Walker

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• ArchBeat Link-o-Rama for 2012-06-19

  - by Bob Rhubart

  Discussion: Public, Private, and Hybrid Clouds A conversation about the similarities and differences between public, private, and hybrid clouds; the connection between cows, condos, and cloud computing; and what architects need to know in order to take advantage of cloud computing. (OTN ArchBeat Podcast transcript) InfoQ: Current Trends in Enterprise Mobility Interesting infographics that show current developments and major trends in enterprise mobility. Recap: EMEA User Group Leaders Meeting Latvia May 2012 Tom Scheirsen recaps the recent IOUC event in Riga. Oracle Fusion Middleware Summer Camps in Lisbon: Includes Advanced ADF Training by Oracle Product Management This is how IT people deal with the Summertime Blues. Enterprise 2.0 Conference: Building Social Business | Oracle WebCenter Blog Kellsey Ruppel shares a list of E2.0 conference sessions being presented by members of the Oracle community. Linux 6 Transparent Huge Pages and Hadoop Workloads | Structured Data Greg Rahn documents a problem. BPM Standard Edition to start your BPM project "BPM Standard Edition is an entry level BPM offering designed to help organisations implement their first few processes in order to prove the value of BPM within their own organisation." Troubleshooting ADF Security 11g Login Page Failure | Andrejus Baranovskis Oracle ACE Director Andrejus Baranovskis takes a deep dive into one of the most common ADF 11g Security issues. It's Alive! - The Oracle OpenWorld Content Catalog It's what you’ve been waiting for—the central repository for information on sessions, demos, labs, user groups, exhibitors, and more. 5 minutes or less: Indexing Attributes in OID | Andre Correa Fusion Middleware A-Team blogger Andre Correa offers help for those who encounter issues when running searches with LDAP filters against OID (Oracle Internet Directory). Condos and Clouds: Thinking about Cloud Computng by Looking at Condominiums | Pat Helland In part two of the OTN ArchBeat Podcast Public, Private, and Hybrid Clouds, Oracle Cloud chief architect Mark Nelson mentions an analogy by Pat Helland that compares condos to cloud computing. After some digging I found the October 2011 presentation in which Helland explains that analogy. Thought for the Day "I have always found that plans are useless, but planning is indispensable." — Dwight Eisenhower (October 14, 1890 – March 28, 1969) Source: Quotes for Software Engineers

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• Upload a Signed Certificate to Amazon EC2

  - by Tam Minh

  I'm very new to Amazon EC2. I am trying to setup https for my website, I follow the offical instruction from amazon doc: http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/configuring-https.html And I get stuck at Upload the Signed Certificate step aws iam upload-server-certificate --server-certificate-name <certificate_object_name> --certificate-body <public_key_certificate_file> --private-key <privatekey.pem> --certificate-chain <certificate_chain_file> As a instruction, I just create a private key (privatekey.pem) and A Certificate Signing Request (csr.pem), but in the command line they request 4 params 1. certificate_object_name 2. public_key_certificate_file 3. *private-key --> I only have this one* 4. certificate_chain_file I don't know where to get 3 remain params, please help to shed a light. Thank you in advance.

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• Why do my LWJGL fonts have dots and lines around them?

  - by Jordan

  When we render fonts there are weird dots and lines around the text. I have no idea why this would happen. Here is an image of what it looks like: Our font class looks like this: package me.NJ.ComputerTycoon.Font; import me.NJ.ComputerTycoon.BaseObjects.UDim2; import org.lwjgl.opengl.Display; import org.newdawn.slick.Color; import org.newdawn.slick.TrueTypeFont; public class Font { public TrueTypeFont font; private int fontSize = 18; private String fontName = "Calibri"; private int fontStyle = java.awt.Font.BOLD; public Font(String fontName, int fontStyle, int fontSize) { font = new TrueTypeFont(new java.awt.Font(fontName, fontStyle, fontSize), true); //font. } public Font(int fontStyle, int fontSize) { font = new TrueTypeFont(new java.awt.Font(fontName, fontStyle, fontSize), true); } public Font(int fontSize) { font = new TrueTypeFont(new java.awt.Font(fontName, fontStyle, fontSize), true); } public Font() { font = new TrueTypeFont(new java.awt.Font(fontName, fontStyle, fontSize), true); } public void drawString(int x, int y, String s, Color color){ this.font.drawString(x, y, s, color); } public void drawString(int x, int y, String s){ this.font.drawString(x, y, s); } public void drawString(float x, float y, String s, Color color){ this.font.drawString(x, y, s, color); } public void drawString(float x, float y, String s){ this.font.drawString(x, y, s); } public void drawString(UDim2 udim, String s){ this.font.drawString((Display.getWidth() * udim.getX().getScale()) + udim.getX().getOffset(), (Display.getHeight() * udim.getY().getScale()) + udim.getY().getOffset(), s); } public String getFontName(){ return this.fontName; } public int getFontSize(){ return this.fontSize; } public TrueTypeFont getFont(){ return this.font; } } What could be causing this?

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• Libgdx detect when player is outside of screen

  - by Rockyy

  Im trying to learn libGDX (coming from XNA/MonoDevelop), and I'm making a super simple test game to get to know it better. I was wondering how to detect if the player sprite is outside of the screen and make it so it is impossible to go outside of the screen edges. In XNA you could do something like this: // Prevent player from moving off the left edge of the screen if (player.Position.X < 0) player.Position = new Vector2(0, player.Position.Y); How is this achieved in libgdx? I think it's the Stage that handles the 2D viewport in libgdx? This is my code so far: private Texture texture; private SpriteBatch batch; private Sprite sprite; @Override public void create () { float w = Gdx.graphics.getWidth(); float h = Gdx.graphics.getHeight(); batch = new SpriteBatch(); texture = new Texture(Gdx.files.internal("player.png")); sprite = new Sprite(texture); sprite.setPosition(w/2 -sprite.getWidth()/2, h/2 - sprite.getHeight()/2); } @Override public void render () { Gdx.gl.glClearColor(1, 1, 1, 1); Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT); if(Gdx.input.isKeyPressed(Input.Keys.LEFT)){ if(Gdx.input.isKeyPressed(Input.Keys.CONTROL_LEFT)) sprite.translateX(-1f); else sprite.translateX(-10.0f); } if(Gdx.input.isKeyPressed(Input.Keys.RIGHT)){ if(Gdx.input.isKeyPressed(Input.Keys.CONTROL_LEFT)) sprite.translateX(1f); else sprite.translateX(10f); } batch.begin(); sprite.draw(batch); batch.end(); }

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• Relay Access Denied (State 13) Postfix + Dovecot + Mysql

  - by Pierre Jeptha

  So we have been scratching our heads for quite some time over this relay issue that has presented itself since we re-built our mail-server after a failed Webmin update. We are running Debian Karmic with postfix 2.6.5 and Dovecot 1.1.11, sourcing from a Mysql database and authenticating with SASL2 and PAM. Here are the symptoms of our problem: 1) When users are on our local network they can send and receive 100% perfectly fine. 2) When users are off our local network and try to send to domains not of this mail server (ie. gmail) they get the "Relay Access Denied" error. However users can send to domains of this mail server when off the local network fine. 3) We host several virtual domains on this mailserver, the primary domain being airnet.ca. The rest of our virtual domains (ex. jeptha.ca) cannot receive email from domains not hosted by this mailserver (ie. gmail and such cannot send to them). They receive bounce backs of "Relay Access Denied (State 13)". This is regardless of whether they are on our local network or not, which is why it is so urgent for us to get this solved. Here is our main.cf from postfix: myhostname = mail.airnet.ca mydomain = airnet.ca smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no smtpd_sasl_type = dovecot queue_directory = /var/spool/postfix smtpd_sasl_path = private/auth smtpd_sender_restrictions = permit_mynetworks permit_sasl_authenticated smtp_sasl_auth_enable = yes smtpd_sasl_auth_enable = yes append_dot_mydomain = no readme_directory = no smtp_tls_security_level = may smtpd_tls_security_level = may smtp_tls_note_starttls_offer = yes smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_loglevel = 1 smtpd_tls_received_header = yes smtpd_tls_auth_only = no alias_maps = proxy:mysql:/etc/postfix/mysql/alias.cf hash:/etc/aliases alias_database = hash:/etc/aliases mydestination = mail.airnet.ca, airnet.ca, localhost.$mydomain mailbox_command = procmail -a "$EXTENSION" mailbox_size_limit = 0 recipient_delimiter = + local_recipient_maps = $alias_maps $virtual_mailbox_maps proxy:unix:passwd.byname home_mailbox = /var/virtual/ mail_spool_directory = /var/spool/mail mailbox_transport = maildrop smtpd_helo_required = yes disable_vrfy_command = yes smtpd_etrn_restrictions = reject smtpd_data_restrictions = reject_unauth_pipelining, permit show_user_unknown_table_name = no proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $virtual_mailbox_limit_maps $virtual_uid_maps $virtual_gid_maps virtual_alias_domains = message_size_limit = 20971520 transport_maps = proxy:mysql:/etc/postfix/mysql/vdomain.cf virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql/vmailbox.cf virtual_alias_maps = proxy:mysql:/etc/postfix/mysql/alias.cf hash:/etc/mailman/aliases virtual_uid_maps = proxy:mysql:/etc/postfix/mysql/vuid.cf virtual_gid_maps = proxy:mysql:/etc/postfix/mysql/vgid.cf virtual_mailbox_base = / virtual_mailbox_limit = 209715200 virtual_mailbox_extended = yes virtual_create_maildirsize = yes virtual_mailbox_limit_maps = proxy:mysql:/etc/postfix/mysql/vmlimit.cf virtual_mailbox_limit_override = yes virtual_mailbox_limit_inbox = no virtual_overquote_bounce = yes virtual_minimum_uid = 1 maximal_queue_lifetime = 1d bounce_queue_lifetime = 4h delay_warning_time = 1h append_dot_mydomain = no qmgr_message_active_limit = 500 broken_sasl_auth_clients = yes smtpd_sasl_path = private/auth smtpd_sasl_local_domain = $myhostname smtpd_sasl_security_options = noanonymous smtpd_sasl_authenticated_header = yes smtp_bind_address = 142.46.193.6 relay_domains = $mydestination mynetworks = 127.0.0.0, 142.46.193.0/25 inet_interfaces = all inet_protocols = all And here is the master.cf from postfix: # ========================================================================== # service type private unpriv chroot wakeup maxproc command + args # (yes) (yes) (yes) (never) (100) # ========================================================================== smtp inet n - - - - smtpd #submission inet n - - - - smtpd # -o smtpd_tls_security_level=encrypt # -o smtpd_sasl_auth_enable=yes # -o smtpd_client_restrictions=permit_sasl_authenticated,reject # -o milter_macro_daemon_name=ORIGINATING #smtps inet n - - - - smtpd # -o smtpd_tls_wrappermode=yes # -o smtpd_sasl_auth_enable=yes # -o smtpd_client_restrictions=permit_sasl_authenticated,reject # -o milter_macro_daemon_name=ORIGINATING #628 inet n - - - - qmqpd pickup fifo n - - 60 1 pickup cleanup unix n - - - 0 cleanup qmgr fifo n - n 300 1 qmgr #qmgr fifo n - - 300 1 oqmgr tlsmgr unix - - - 1000? 1 tlsmgr rewrite unix - - - - - trivial-rewrite bounce unix - - - - 0 bounce defer unix - - - - 0 bounce trace unix - - - - 0 bounce verify unix - - - - 1 verify flush unix n - - 1000? 0 flush proxymap unix - - n - - proxymap proxywrite unix - - n - 1 proxymap smtp unix - - - - - smtp # When relaying mail as backup MX, disable fallback_relay to avoid MX loops relay unix - - - - - smtp -o smtp_fallback_relay= # -o smtp_helo_timeout=5 -o smtp_connect_timeout=5 showq unix n - - - - showq error unix - - - - - error retry unix - - - - - error discard unix - - - - - discard local unix - n n - - local virtual unix - n n - - virtual lmtp unix - - - - - lmtp anvil unix - - - - 1 anvil scache unix - - - - 1 scache maildrop unix - n n - - pipe flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient} # # See the Postfix UUCP_README file for configuration details. # uucp unix - n n - - pipe flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient) # # Other external delivery methods. # ifmail unix - n n - - pipe flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient) bsmtp unix - n n - - pipe flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender $recipient scalemail-backend unix - n n - 2 pipe flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store ${nexthop} ${user} ${extension} mailman unix - n n - - pipe flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py ${nexthop} ${user} spfpolicy unix - n n - - spawn user=nobody argv=/usr/bin/perl /usr/sbin/postfix-policyd-spf-perl smtp-amavis unix - - n - 4 smtp -o smtp_data_done_timeout=1200 -o smtp_send_xforward_command=yes -o disable_dns_lookups=yes #127.0.0.1:10025 inet n - n - - smtpd dovecot unix - n n - - pipe flags=DRhu user=dovecot:21pever1lcha0s argv=/usr/lib/dovecot/deliver -d ${recipient Here is Dovecot.conf protocols = imap imaps pop3 pop3s disable_plaintext_auth = no log_path = /etc/dovecot/logs/err info_log_path = /etc/dovecot/logs/info log_timestamp = "%Y-%m-%d %H:%M:%S ". syslog_facility = mail ssl_listen = 142.46.193.6 ssl_disable = no ssl_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem ssl_key_file = /etc/ssl/private/ssl-cert-snakeoil.key mail_location = mbox:~/mail:INBOX=/var/virtual/%d/mail/%u mail_privileged_group = mail mail_debug = yes protocol imap { login_executable = /usr/lib/dovecot/imap-login mail_executable = /usr/lib/dovecot/rawlog /usr/lib/dovecot/imap mail_executable = /usr/lib/dovecot/gdbhelper /usr/lib/dovecot/imap mail_executable = /usr/lib/dovecot/imap imap_max_line_length = 65536 mail_max_userip_connections = 20 mail_plugin_dir = /usr/lib/dovecot/modules/imap login_greeting_capability = yes } protocol pop3 { login_executable = /usr/lib/dovecot/pop3-login mail_executable = /usr/lib/dovecot/pop3 pop3_enable_last = no pop3_uidl_format = %08Xu%08Xv mail_max_userip_connections = 10 mail_plugin_dir = /usr/lib/dovecot/modules/pop3 } protocol managesieve { sieve=~/.dovecot.sieve sieve_storage=~/sieve } mail_plugin_dir = /usr/lib/dovecot/modules/lda auth_executable = /usr/lib/dovecot/dovecot-auth auth_process_size = 256 auth_cache_ttl = 3600 auth_cache_negative_ttl = 3600 auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@ auth_verbose = yes auth_debug = yes auth_debug_passwords = yes auth_worker_max_count = 60 auth_failure_delay = 2 auth default { mechanisms = plain login passdb sql { args = /etc/dovecot/dovecot-sql.conf } userdb sql { args = /etc/dovecot/dovecot-sql.conf } socket listen { client { path = /var/spool/postfix/private/auth mode = 0660 user = postfix group = postfix } master { path = /var/run/dovecot/auth-master mode = 0600 } } } Please, if you require anything do not hesistate, I will post it ASAP. Any help or suggestions are greatly appreciated! Thanks, Pierre

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• Firefox switches focus to previous window when the current newly opened window's page loads

  - by just asking

  The title pretty much sums it up. After opening the browser, when I open a new window (private browsing) and load the first page of interest, the focus goes back to the last Firefox window. It works with more than just 1 main and 1 private windows, like for example 3 main and 2 private windows. It repeats after closing all browser windows, waiting for it to unload and opening the browser again. I'm using Windows 7 and the latest version of Firefox, and it's been happening to me for about half a year on two different computers and a notebook (same OS and browser version). It's pretty annoying. How do I fix this?

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• Drawing a circle in opengl es android, squiggly boundaries

  - by ladiesMan217

  I am new to OpenGL ES and facing a hard time drawing a circle on my GLSurfaceView. Here's what I have so far. the Circle Class public class MyGLBall { private int points=40; private float vertices[]={0.0f,0.0f,0.0f}; private FloatBuffer vertBuff; //centre of circle public MyGLBall(){ vertices=new float[(points+1)*3]; for(int i=3;i<(points+1)*3;i+=3){ double rad=(i*360/points*3)*(3.14/180); vertices[i]=(float)Math.cos(rad); vertices[i+1]=(float) Math.sin(rad); vertices[i+2]=0; } ByteBuffer bBuff=ByteBuffer.allocateDirect(vertices.length*4); bBuff.order(ByteOrder.nativeOrder()); vertBuff=bBuff.asFloatBuffer(); vertBuff.put(vertices); vertBuff.position(0); } public void draw(GL10 gl){ gl.glPushMatrix(); gl.glTranslatef(0, 0, 0); // gl.glScalef(size, size, 1.0f); gl.glColor4f(1.0f,1.0f,1.0f, 1.0f); gl.glVertexPointer(3, GL10.GL_FLOAT, 0, vertBuff); gl.glEnableClientState(GL10.GL_VERTEX_ARRAY); gl.glDrawArrays(GL10.GL_TRIANGLE_FAN, 0, points/2); gl.glDisableClientState(GL10.GL_VERTEX_ARRAY); gl.glPopMatrix(); } } I couldn't retrieve the screenshot of my image but here's what it looks like As you can see the border has crests and troughs thereby renering it squiggly which I do not want. All I want is a simple curve

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• Circular dependency and object creation when attempting DDD

  - by Matthew

  I have a domain where an Organization has People. Organization Entity public class Organization { private readonly List<Person> _people = new List<Person>(); public Person CreatePerson(string name) { var person = new Person(organization, name); _people.Add(person); return person; } public IEnumerable<Person> People { get { return _people; } } } Person Entity public class Person { public Person(Organization organization, string name) { if (organization == null) { throw new ArgumentNullException("organization"); } Organization = organization; Name = name; } public Organization { get; private set; } public Name { get; private set; } } The rule for this relationship is that a Person must belong to exactly one Organization. The invariants I want to guarantee are: A person must have an organization this is enforced via the Person's constuctor An organization must know of its people this is why the Organization has a CreatePerson method A person must belong to only one organization this is why the organization's people list is not publicly mutable (ignoring the casting to List, maybe ToEnumerable can enforce that, not too concerned about it though) What I want out of this is that if a person is created, that the organization knows about its creation. However, the problem with the model currently is that you are able to create a person without ever adding it to the organizations collection. Here's a failing unit-test to describe my problem [Test] public void AnOrganizationMustKnowOfItsPeople() { var organization = new Organization(); var person = new Person(organization, "Steve McQueen"); CollectionAssert.Contains(organization.People, person); } What is the most idiomatic way to enforce the invariants and the circular relationship?

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• Join us for Live Oracle VM and Oracle Linux Cloud Events in Europe

  - by Monica Kumar

  Join us for a series of live events and discover how Oracle VM and Oracle Linux offer an integrated and optimized infrastructure for quickly deploying a private cloud environment at lower cost. As one of the most widely deployed operating systems today, Oracle Linux delivers higher performance, better reliability, and stability, at a lower cost for your cloud environments. Oracle VM is an application-driven server virtualization solution fully integrated and certified with Oracle applications to deliver rapid application deployment and simplified management. With Oracle VM, you have peace of mind that the entire Oracle stack deployed is fully certified by Oracle. Register now for any of the upcoming events, and meet with Oracle experts to discuss how we can help in enabling your private cloud. Nov 20: Foundation for the Cloud: Oracle Linux and Oracle VM (Belgium) Nov 21: Oracle Linux & Oracle VM Enabling Private Cloud (Germany) Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 Nov 28: Realize Substantial Savings and Increased Efficiency with Oracle Linux and Oracle VM (Luxembourg) Nov 29: Foundation for the Cloud: Oracle Linux and Oracle VM (Netherlands)Dec 5: MySQL Tech Tour, including Oracle Linux and Oracle VM (France) Hope to see you at one of these events!

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• Windows 2008 Incoming Connection: Where/How is Server IPv4 address defined

  - by revelate

  We're evaluating a VM hosted externally which runs Windows Server 2008 R2 Web Server Edition and wish to access it via a VPN connection for maintenance and administration. RRAS isn't included in Web Server Edition, but it does have a form of VPN server called "Incoming Connections". This appears to work well and even supports multiple simultaneous connections. As we'll be using this VPN regularly we'd like to know if this is a viable solution or if we'd be better off upgrading to Standard Edition and full-fledged RRAS. In particular we're accessing the VM via the Private IP given by the Incoming Connection (currently 169.254.135.207) so we'd like know: if the server private IP might change every so often? if so is there any way to define it manually? or should we be using the server name rather than the private IP address? if so how can we be sure that it will resolve correctly? Name resolution over the "Incoming Connection" has worked on and off during our tests. Thanks for your help

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• Can't log in via SSH to any accounts set to use /bin/bash as a default shell

  - by Gui Ambros

  I'm trying to install bash as the default shell on a ARM Linux running on an embedded device (Synology DS212+ NAS). But there's something really wrong, and I can't figure out what it is. Symptoms: 1) Root has /bin/bash as default shell, and can log in normally via SSH: $ grep root /etc/passwd root:x:0:0:root:/root:/bin/bash $ ssh root@NAS root@NAS's password: Last login: Sun Dec 16 14:06:56 2012 from desktop # 2) joeuser has /bin/bash as default shell, and receives "Permission denied" when trying to log in via SSH: $ grep joeuser /etc/passwd joeuser:x:1029:100:Joe User:/home/joeuser:/bin/bash $ ssh joeuser@localhost joeuser@NAS's password: Last login: Sun Dec 16 14:07:22 2012 from desktop Permission denied, please try again. Connection to localhost closed. 3) changing joeuser's shell back to /bin/sh: $ grep joeuser /etc/passwd joeuser:x:1029:100:Joe User:/home/joeuser:/bin/sh $ ssh joeuser@localhost Last login: Sun Dec 16 15:50:52 2012 from localhost $ To make things even more strange, I can log in as joeuser using /bin/bash using the serial console (!). Also a su - joeuser as root works fine, so the bash binary itself is working fine. In an act of despair, I changed joeuser's uid to 0 on /etc/passwd, but also didn't work, so it doesn't seem to be anything permission related. Seems that bash is doing some extra checking that sshd didn't like, and blocking the connections for non-root users. Maybe some sort of sanity checking - or terminal emulation - that is triggering the SIGCHLD, but only when called via ssh. I already went through every single item on sshd_config, and also put SSHD in debug mode, but didn't find anything strange. Here's my /etc/ssh/sshd_config: LogLevel DEBUG LoginGraceTime 2m PermitRootLogin yes RSAAuthentication yes PubkeyAuthentication yes AuthorizedKeysFile %h/.ssh/authorized_keys ChallengeResponseAuthentication no UsePAM yes AllowTcpForwarding no ChrootDirectory none Subsystem sftp internal-sftp -f DAEMON -u 000 And here's the output from /usr/syno/sbin/sshd -d, showing the failed attempt of joeuser trying to log in, with /bin/bash as the shell: debug1: Config token is loglevel debug1: Config token is logingracetime debug1: Config token is permitrootlogin debug1: Config token is rsaauthentication debug1: Config token is pubkeyauthentication debug1: Config token is authorizedkeysfile debug1: Config token is challengeresponseauthentication debug1: Config token is usepam debug1: Config token is allowtcpforwarding debug1: Config token is chrootdirectory debug1: Config token is subsystem debug1: HPN Buffer Size: 87380 debug1: sshd version OpenSSH_5.8p1-hpn13v11 debug1: read PEM private key done: type RSA debug1: private host key: #0 type 1 RSA debug1: read PEM private key done: type DSA debug1: private host key: #1 type 2 DSA debug1: read PEM private key done: type ECDSA debug1: private host key: #2 type 3 ECDSA debug1: rexec_argv[0]='/usr/syno/sbin/sshd' debug1: rexec_argv[1]='-d' Set /proc/self/oom_adj from 0 to -17 debug1: Bind to port 22 on ::. debug1: Server TCP RWIN socket size: 87380 debug1: HPN Buffer Size: 87380 Server listening on :: port 22. debug1: Bind to port 22 on 0.0.0.0. debug1: Server TCP RWIN socket size: 87380 debug1: HPN Buffer Size: 87380 Server listening on 0.0.0.0 port 22. debug1: Server will not fork when running in debugging mode. debug1: rexec start in 6 out 6 newsock 6 pipe -1 sock 9 debug1: inetd sockets after dupping: 4, 4 Connection from 127.0.0.1 port 52212 debug1: HPN Disabled: 0, HPN Buffer Size: 87380 debug1: Client protocol version 2.0; client software version OpenSSH_5.8p1-hpn13v11 SSH: Server;Ltype: Version;Remote: 127.0.0.1-52212;Protocol: 2.0;Client: OpenSSH_5.8p1-hpn13v11 debug1: match: OpenSSH_5.8p1-hpn13v11 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.8p1-hpn13v11 debug1: permanently_set_uid: 1024/100 debug1: MYFLAG IS 1 debug1: list_hostkey_types: ssh-rsa,ssh-dss,ecdsa-sha2-nistp256 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: AUTH STATE IS 0 debug1: REQUESTED ENC.NAME is 'aes128-ctr' debug1: kex: client->server aes128-ctr hmac-md5 none SSH: Server;Ltype: Kex;Remote: 127.0.0.1-52212;Enc: aes128-ctr;MAC: hmac-md5;Comp: none debug1: REQUESTED ENC.NAME is 'aes128-ctr' debug1: kex: server->client aes128-ctr hmac-md5 none debug1: expecting SSH2_MSG_KEX_ECDH_INIT debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: KEX done debug1: userauth-request for user joeuser service ssh-connection method none SSH: Server;Ltype: Authname;Remote: 127.0.0.1-52212;Name: joeuser debug1: attempt 0 failures 0 debug1: Config token is loglevel debug1: Config token is logingracetime debug1: Config token is permitrootlogin debug1: Config token is rsaauthentication debug1: Config token is pubkeyauthentication debug1: Config token is authorizedkeysfile debug1: Config token is challengeresponseauthentication debug1: Config token is usepam debug1: Config token is allowtcpforwarding debug1: Config token is chrootdirectory debug1: Config token is subsystem debug1: PAM: initializing for "joeuser" debug1: PAM: setting PAM_RHOST to "localhost" debug1: PAM: setting PAM_TTY to "ssh" debug1: userauth-request for user joeuser service ssh-connection method password debug1: attempt 1 failures 0 debug1: do_pam_account: called Accepted password for joeuser from 127.0.0.1 port 52212 ssh2 debug1: monitor_child_preauth: joeuser has been authenticated by privileged process debug1: PAM: establishing credentials User child is on pid 9129 debug1: Entering interactive session for SSH2. debug1: server_init_dispatch_20 debug1: server_input_channel_open: ctype session rchan 0 win 65536 max 16384 debug1: input_session_request debug1: channel 0: new [server-session] debug1: session_new: session 0 debug1: session_open: channel 0 debug1: session_open: session 0: link with channel 0 debug1: server_input_channel_open: confirm session debug1: server_input_global_request: rtype [email protected] want_reply 0 debug1: server_input_channel_req: channel 0 request pty-req reply 1 debug1: session_by_channel: session 0 channel 0 debug1: session_input_channel_req: session 0 req pty-req debug1: Allocating pty. debug1: session_new: session 0 debug1: session_pty_req: session 0 alloc /dev/pts/1 debug1: server_input_channel_req: channel 0 request shell reply 1 debug1: session_by_channel: session 0 channel 0 debug1: session_input_channel_req: session 0 req shell debug1: Setting controlling tty using TIOCSCTTY. debug1: Received SIGCHLD. debug1: session_by_pid: pid 9130 debug1: session_exit_message: session 0 channel 0 pid 9130 debug1: session_exit_message: release channel 0 debug1: session_by_tty: session 0 tty /dev/pts/1 debug1: session_pty_cleanup: session 0 release /dev/pts/1 Received disconnect from 127.0.0.1: 11: disconnected by user debug1: do_cleanup debug1: do_cleanup debug1: PAM: cleanup debug1: PAM: closing session debug1: PAM: deleting credentials Here you have the full output of sshd -dd, together with ssh -vv. Bash: # bash --version GNU bash, version 3.2.49(1)-release (arm-none-linux-gnueabi) Copyright (C) 2007 Free Software Foundation, Inc. The bash binary was cross compiled from source. I also tried using a pre-compiled binary from the Optware distribution, but had the exact same problem. I checked for missing shared libraries using objdump -x, but they're all there. Any ideas what could be causing this "Permission denied, please try again."? I'm almost diving in the bash source code to investigate, but trying to avoid hours chasing something that may be silly.

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• What are the challenges when my enterprise desires to move the processing component of an applicatio

  - by Berkay

  Assume that i have an enterprise accounting application that consists of a front-end interface, a processing tier, and a back-end database. This is an application that contains private business data, and thus is traditionally run in a secure private network environment within the enterprise. What are the challenges that appear when my enterprise desires to move the processing component of this application to a cloud computing data center in order to achieve greater scalability or to reduce IT costs ? Pls note: do i have to make significant changes to my own infrastructure to enable external access to formerly private resources? do i have to modify the application code to handle new network topology ? thanks, if you give your answers in a simple manner, really appreciated.

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• android game performance regarding timers

  - by iQue

  Im new to the game-dev world and I have a tendancy to over-simplify my code, and sometimes this costs me alot fo memory. Im using a custom TimerTask that looks like this: public class Task extends TimerTask { private MainGamePanel panel; public Task(MainGamePanel panel) { this.panel=panel; } /** * When the timer executes, this code is run. */ public void run() { panel.createEnemies(); } } this task calls this method from my view: public void createEnemies() { Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.female); if(enemyCounter < 24){ enemies.add(new Enemy(bmp, this)); } enemyCounter++; } Since I call this in the onCreate-method instead of in my views contructor (because My enemies need to get width and height of view). Im wondering if this will work when I have multiple levels in game (start a new intent). And if this kind of timer really is the best way to add a delay between the spawning-time of my enemies performance-wise. adding code for my timer if any1 came here cus they dont understand timers: private Timer timer1 = new Timer(); private long delay1 = 5*1000; // 5 sec delay public void surfaceCreated(SurfaceHolder holder) { timer1.schedule(new Task(this), 0, delay1); //I call my timer and add the delay thread.setRunning(true); thread.start(); }

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• Setting up Windows 2008 with VPN and NAT

  - by Benson

  I have a Windows 2008 box set up with VPN, and that works quite well. NPS is used to validate the VPN clients, who are able to access the private address of the server, once connected. I can't for the life of me get NAT working for the VPN clients, though. I've added NAT as a routing protocol, and set the one on in the VPN address pool as private, and the other as public - but it still won't NAT connections when I add a route through the VPN server's IP on the client side (route add SomeInternetIp IpOfPrivateInterfaceOnServer). I know I can reach the server's private interface (which happens to be 10.2.2.1) with remote desktop client, so I can't think of any issues with the VPN.

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