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• Applet Loading Error - Jasper Report

  - by Mihir

  I encountered very silly error , but any way i can not figure out solution.i am loading java applet which encompass a simple jasper viewer in it. when the applet is loaded it throws following exception. SEVERE: Servlet.service() for servlet JasperReportServlet threw exception java.lang.ClassNotFoundException: org.apache.commons.collections.ReferenceMap at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1358) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) at net.sf.jasperreports.extensions.DefaultExtensionsRegistry.<init>(DefaultExtensionsRegistry.java:96) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at java.lang.Class.newInstance0(Class.java:355) at java.lang.Class.newInstance(Class.java:308) at net.sf.jasperreports.engine.util.ClassUtils.instantiateClass(ClassUtils.java:59) at net.sf.jasperreports.extensions.ExtensionsEnvironment.createDefaultRegistry(ExtensionsEnvironment.java:80) at net.sf.jasperreports.extensions.ExtensionsEnvironment.<clinit>(ExtensionsEnvironment.java:68) at net.sf.jasperreports.engine.util.JRStyledTextParser.<clinit>(JRStyledTextParser.java:76) at net.sf.jasperreports.engine.fill.JRBaseFiller.<init>(JRBaseFiller.java:182) at net.sf.jasperreports.engine.fill.JRVerticalFiller.<init>(JRVerticalFiller.java:77) at net.sf.jasperreports.engine.fill.JRVerticalFiller.<init>(JRVerticalFiller.java:87) at net.sf.jasperreports.engine.fill.JRVerticalFiller.<init>(JRVerticalFiller.java:57) at net.sf.jasperreports.engine.fill.JRFiller.createFiller(JRFiller.java:142) at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:78) at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:624) at com.dbhl.app.report.generator.JobUpdateGenerator.getJasperPrintObject(JobUpdateGenerator.java:279) at com.dbhl.app.report.JasperReportServlet.processJobUpdate(JasperReportServlet.java:153) at com.dbhl.app.report.JasperReportServlet.getJasperPrintObjectByLedgerType(JasperReportServlet.java:79) at com.dbhl.app.report.JasperReportServlet.service(JasperReportServlet.java:50) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:619) below is my applet configuration, i am loading applet using standard java deployment toolkit. <script type="text/javascript" src="<%=basePath%>js/deployJava.js"> </script> <script> var user = '<%=request.getParameter("user")%>'; var attributes = { code : 'applet.EmbeddedViewerApplet.class', archive : '<%=basePath%>resources/appletviewer.jar,<%=basePath%>resources/jasperreports-applet-4.0.0.jar,<%=basePath%>resources/jasperreports-4.0.0.jar,<%=basePath%>resources/commons-collections-3.2.1.jar,<%=basePath%>resources/commons-logging-1.0.4.jar,<%=basePath%>resources/commons-beanutils-1.8.0.jar,<%=basePath%>resources/commons-digester-1.7.jar,<%=basePath%>resources/commons-javaflow-20060411.jar,<%=basePath%>resources/org-netbeans-core.jar', width : "100%", height : 600 }; var parameters = { fontSize : 16, REPORT_URL : '<%=basePath%>servlet/JasperReportServlet?startDate=<%=request.getParameter("startDate")%>&endDate=<%=request.getParameter("endDate")%>&user=' + user + '&reportType=<%=request.getParameter("reportType")%>' }; var version = '1.4'; deployJava.runApplet(attributes, parameters, version); </script> every jar i referred in the applet attributes exist the resource folder of my webroot, which are appletviewer.jar commons-beanutils-1.8.0.jar commons-collections-3.2.1.jar commons-digester-1.7.jar commons-javaflow-20060411.jar commons-logging-1.0.4.jar jasperreports-4.0.0.jar jasperreports-applet-4.0.0.jar org-netbeans-core.jar all the jars are signed today, so no validity expires. i have double check all the things. but it always shows the above error. in iReport i can view the report and it is compiled to jasper object with no error. the java console from control panel http://pastebin.com/Xt6303tT My question is why the classNotFound Exception happens ? i check in the temp cache that the collections file is downloaded succesfully and in the above console log it shows that the jars are successfully downloaded to the host computer. Thank You Mihir Parekh

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• What would be a correct implemantation of JSF Converter if I need to get an Integer to run a query?

  - by Ignacio

  HI here's my code: List.xhmtl <h:selectOneMenu value="#{produtosController.items}"> <f:selectItems value="#{produtosController.itemsAvailableSelectOne}"/> </h:selectOneMenu> <h:commandButton action="#{produtosController.createByCodigos}" value="Buscar" /> My Controller Class with innner Converter implemantation @ManagedBean (name="produtosController") @SessionScoped public class ProdutosController { private Produtos current; private DataModel items = null; @EJB private controladores.ProdutosFacade ejbFacade; private PaginationHelper pagination; private int selectedItemIndex; public ProdutosController() { } public Produtos getSelected() { if (current == null) { current = new Produtos(); selectedItemIndex = -1; } return current; } private ProdutosFacade getFacade() { return ejbFacade; } public PaginationHelper getPagination() { if (pagination == null) { pagination = new PaginationHelper(10) { @Override public int getItemsCount() { return getFacade().count(); } @Override public DataModel createPageDataModel() { return new ListDataModel(getFacade().findRange(new int[]{getPageFirstItem(), getPageFirstItem()+getPageSize()})); } }; } return pagination; } public String prepareList() { recreateModel(); return "List"; } public String prepareView() { current = (Produtos)getItems().getRowData(); selectedItemIndex = pagination.getPageFirstItem() + getItems().getRowIndex(); return "View"; } public String prepareCreate() { current = new Produtos(); selectedItemIndex = -1; return "Create"; } public String create() { try { getFacade().create(current); JsfUtil.addSuccessMessage(ResourceBundle.getBundle("/Bundle").getString("ProdutosCreated")); return prepareCreate(); } catch (Exception e) { JsfUtil.addErrorMessage(e, ResourceBundle.getBundle("/Bundle").getString("PersistenceErrorOccured")); return null; } } public String createByMarcas() { items = new ListDataModel(ejbFacade.findByMarcas(current.getIdMarca())); updateCurrentItem(); return "List"; } public String createByModelos() { items = new ListDataModel(ejbFacade.findByModelos(current.getIdModelo())); updateCurrentItem(); return "List"; } public String createByCodigos(){ items = new ListDataModel(ejbFacade.findByCodigo(current.getCodigo())); updateCurrentItem(); return "List"; } public String prepareEdit() { current = (Produtos)getItems().getRowData(); selectedItemIndex = pagination.getPageFirstItem() + getItems().getRowIndex(); return "Edit"; } public String update() { try { getFacade().edit(current); JsfUtil.addSuccessMessage(ResourceBundle.getBundle("/Bundle").getString("ProdutosUpdated")); return "View"; } catch (Exception e) { JsfUtil.addErrorMessage(e, ResourceBundle.getBundle("/Bundle").getString("PersistenceErrorOccured")); return null; } } public String destroy() { current = (Produtos)getItems().getRowData(); selectedItemIndex = pagination.getPageFirstItem() + getItems().getRowIndex(); performDestroy(); recreateModel(); return "List"; } public String destroyAndView() { performDestroy(); recreateModel(); updateCurrentItem(); if (selectedItemIndex >= 0) { return "View"; } else { // all items were removed - go back to list recreateModel(); return "List"; } } private void performDestroy() { try { getFacade().remove(current); JsfUtil.addSuccessMessage(ResourceBundle.getBundle("/Bundle").getString("ProdutosDeleted")); } catch (Exception e) { JsfUtil.addErrorMessage(e, ResourceBundle.getBundle("/Bundle").getString("PersistenceErrorOccured")); } } private void updateCurrentItem() { int count = getFacade().count(); if (selectedItemIndex >= count) { // selected index cannot be bigger than number of items: selectedItemIndex = count-1; // go to previous page if last page disappeared: if (pagination.getPageFirstItem() >= count) { pagination.previousPage(); } } if (selectedItemIndex >= 0) { current = getFacade().findRange(new int[]{selectedItemIndex, selectedItemIndex+1}).get(0); } } public DataModel getItems() { if (items == null) { items = getPagination().createPageDataModel(); } return items; } private void recreateModel() { items = null; } public String next() { getPagination().nextPage(); recreateModel(); return "List"; } public String previous() { getPagination().previousPage(); recreateModel(); return "List"; } public SelectItem[] getItemsAvailableSelectMany() { return JsfUtil.getSelectItems(ejbFacade.findAll(), false); } public SelectItem[] getItemsAvailableSelectOne() { return JsfUtil.getSelectItems(ejbFacade.findAll(), true); } @FacesConverter(forClass=Produtos.class) public static class ProdutosControllerConverter implements Converter{ public Object getAsObject(FacesContext facesContext, UIComponent component, String value) { if (value == null || value.length() == 0) { return null; } ProdutosController controller = (ProdutosController)facesContext.getApplication().getELResolver(). getValue(facesContext.getELContext(), null, "produtosController"); return controller.ejbFacade.find(getKey(value)); } java.lang.Integer getKey(String value) { java.lang.Integer key; key = Integer.decode(value); return key; } String getStringKey(java.lang.Integer value) { StringBuffer sb = new StringBuffer(); sb.append(value); return sb.toString(); } public String getAsString(FacesContext facesContext, UIComponent component, Object object) { if (object == null) { return null; } if (object instanceof Produtos) { Produtos o = (Produtos) object; return getStringKey(o.getCodigo()); } else { throw new IllegalArgumentException("object " + object + " is of type " + object.getClass().getName() + "; expected type: "+ProdutosController.class.getName()); } } } } and my EJB @Entity @ViewScoped @Table(name = "produtos") @NamedQueries({ @NamedQuery(name = "Produtos.findAll", query = "SELECT p FROM Produtos p"), @NamedQuery(name = "Produtos.findById", query = "SELECT p FROM Produtos p WHERE p.id = :id"), @NamedQuery(name = "Produtos.findByCodigo", query = "SELECT p FROM Produtos p WHERE p.codigo = :codigo"), @NamedQuery(name = "Produtos.findByDescripcion", query = "SELECT p FROM Produtos p WHERE p.descripcion = :descripcion"), @NamedQuery(name = "Produtos.findByImagen", query = "SELECT p FROM Produtos p WHERE p.imagen = :imagen"), @NamedQuery(name = "Produtos.findByMarcas", query="SELECT m FROM Produtos m WHERE m.idMarca.id = :idMarca"), @NamedQuery(name = "Produtos.findByModelos", query="SELECT m FROM Produtos m WHERE m.idModelo.id = :idModelo")}) public class Produtos implements Serializable { private static final long serialVersionUID = 1L; @Id @GeneratedValue(strategy = GenerationType.IDENTITY) @Basic(optional = false) @Column(name = "id") private Integer id; @Column(name = "codigo") private Integer codigo; @Column(name = "descripcion") private String descripcion; @Column(name = "imagen") private String imagen; @JoinColumn(name = "id_modelo", referencedColumnName = "id") @ManyToOne(optional = false) private Modelos idModelo; @JoinColumn(name = "id_marca", referencedColumnName = "id") @ManyToOne(optional = false) private Marcas idMarca; public Produtos() { } public Produtos(Integer id) { this.id = id; } public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public Integer getCodigo() { return codigo; } public void setCodigo(Integer codigo) { this.codigo = codigo; } public String getDescripcion() { return descripcion; } public void setDescripcion(String descripcion) { this.descripcion = descripcion; } public String getImagen() { return imagen; } public void setImagen(String imagen) { this.imagen = imagen; } public Modelos getIdModelo() { return idModelo; } public void setIdModelo(Modelos idModelo) { this.idModelo = idModelo; } public Marcas getIdMarca() { return idMarca; } public void setIdMarca(Marcas idMarca) { this.idMarca = idMarca; } @Override public int hashCode() { int hash = 0; hash += (id != null ? id.hashCode() : 0); return hash; } @Override public boolean equals(Object object) { // TODO: Warning - this method won't work in the case the id fields are not set if (!(object instanceof Produtos)) { return false; } Produtos other = (Produtos) object; if ((this.id == null && other.id != null) || (this.id != null && !this.id.equals(other.id))) { return false; } return true; } @Override public String toString() { return "" + codigo + ""; } }

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• Weblogic Bea 10.0 M1 and WorkManager

  - by ma-ver-ick

  Hi there! I have to execute long running threads in a WebLogic Bea 10.0 M1 server environment. I tried to use WorkManagers for this. Using an own WorkManager allows me to specify my own thread timeout (MaxThreadStuckTime) instead of adjusting the timeout for the whole business application. My setup is as follows: weblogic-ejb-jar.xml: <?xml version="1.0" encoding="UTF-8"?> <weblogic-ejb-jar xmlns="http://www.bea.com/ns/weblogic/90" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.bea.com/ns/weblogic/90 http://www.bea.com/ns/weblogic/90/weblogic-ejb-jar.xsd"> <weblogic-enterprise-bean> <ejb-name>TestBean</ejb-name> <resource-description> <res-ref-name>myWorkManager</res-ref-name> <jndi-name>wm/myWorkManager</jndi-name> </resource-description> </weblogic-enterprise-bean> </weblogic-ejb-jar> weblogic-application.xml: <?xml version="1.0" encoding="UTF-8"?> <weblogic xmlns="http://www.bea.com/ns/weblogic/90" xmlns:j2ee="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.bea.com/ns/weblogic/90 http://www.bea.com/ns/weblogic/90/weblogic.xsd"> <work-manager> <name>myWorkManager</name> <ignore-stuck-threads>1</ignore-stuck-threads> </work-manager> </weblogic> and the Bean: import javax.annotation.Resource; import javax.ejb.Stateful; import weblogic.work.WorkManager; @Stateful(mappedName = "TestBean") public class TestBean implements TestBeanRemote { @Resource(name = "myWorkManager") private WorkManager myWorkManager; public void test() { myWorkManager.schedule(new Runnable() { public void run() { while (true) { System.out.println("test: +++++++++++++++++++++++++"); try { Thread.sleep(45000); } catch (InterruptedException e) { e.printStackTrace(); } } } }); } } When I try to deploy this things, the server gives me the following exceptions: [EJB:011026]The EJB container failed while creating the java:/comp/env namespace for this EJB deployment. weblogic.deployment.EnvironmentException: [EJB:010176]The resource-env-ref 'myWorkManager' declared in the ejb-jar.xml descriptor has no JNDI name mapped to it. The resource-ref must be mapped to a JNDI name using the resource-description element of the weblogic-ejb-jar.xml descriptor. I try to figure out how to access / use WorkMangers for days now, and still get this or that as an exception. Very frustrating! Thanks in advance!

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• Glassfish v3 / JNDI entry cannot be found problems!

  - by REMP

  I've been having problems trying to call an EJB's method from a Java Application Client. Here is the code. EJB Remote Interface package com.test; import javax.ejb.Remote; @Remote public interface HelloBeanRemote { public String sayHello(); } EJB package com.test; import javax.ejb.Stateless; @Stateless (name="HelloBeanExample" , mappedName="ejb/HelloBean") public class HelloBean implements HelloBeanRemote { @Override public String sayHello(){ return "hola"; } } Main class (another project) import com.test.HelloBeanRemote; import javax.naming.Context; import javax.naming.InitialContext; public class Main { public void runTest()throws Exception{ Context ctx = new InitialContext(); HelloBeanRemote bean = (HelloBeanRemote)ctx.lookup("java:global/Test/HelloBeanExample!com.test.HelloBeanRemote"); System.out.println(bean.sayHello()); } public static void main(String[] args)throws Exception { Main main = new Main(); main.runTest(); } } Well, what is my problem? JNDI entry for this EJB cannot be found! java.lang.NullPointerException at com.sun.enterprise.naming.impl.SerialContext.getRemoteProvider(SerialContext.java:297) at com.sun.enterprise.naming.impl.SerialContext.getProvider(SerialContext.java:271) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:430) at javax.naming.InitialContext.lookup(InitialContext.java:392) at testdesktop.Main.runTest(Main.java:22) at testdesktop.Main.main(Main.java:31) Exception in thread "main" javax.naming.NamingException: Lookup failed for 'java:global/Test/HelloBeanExample!com.test.HelloBeanRemote' in SerialContext [Root exception is javax.naming.NamingException: Unable to acquire SerialContextProvider for SerialContext [Root exception is java.lang.NullPointerException]] at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:442) at javax.naming.InitialContext.lookup(InitialContext.java:392) at testdesktop.Main.runTest(Main.java:22) at testdesktop.Main.main(Main.java:31) Caused by: javax.naming.NamingException: Unable to acquire SerialContextProvider for SerialContext [Root exception is java.lang.NullPointerException] at com.sun.enterprise.naming.impl.SerialContext.getProvider(SerialContext.java:276) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:430) ... 3 more Caused by: java.lang.NullPointerException at com.sun.enterprise.naming.impl.SerialContext.getRemoteProvider(SerialContext.java:297) at com.sun.enterprise.naming.impl.SerialContext.getProvider(SerialContext.java:271) ... 4 more Java Result: 1 I've trying with different JNDI entries but nothing works (I got this entries from NetBeans console): INFO: Portable JNDI names for EJB HelloBeanExample : [java:global/Test/HelloBeanExample, java:global/Test/HelloBeanExample!com.test.HelloBeanRemote] INFO: Glassfish-specific (Non-portable) JNDI names for EJB HelloBeanExample : [ejb/HelloBean, ejb/HelloBean#com.test.HelloBeanRemote] So I tried with the following entries but I got the same exception : java:global/Test/HelloBeanExample java:global/Test/HelloBeanExample!com.test.HelloBeanRemote ejb/HelloBean ejb/HelloBean#com.test.HelloBeanRemote I'm using Netbeans 6.8 and Glassfish v3!

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• JNDI / Classpath problem in glassfish

  - by Michael Borgwardt

  I am in the process of converting a large J2EE app from EJB 2 to EJB 3 (all stateless session beans, using glassfish 2.1.1), and running out of ideas. The first EJB I converted (let's call it Foo) ran without major problems (it was the only one in its ejb-module and I could completely replace the deployment descriptor with annotations) and the app ran fine. But after converting the second one (let's call it Bar, one of several in a different ejb-module) there is a weird combination of problems: The app deploys without errors (nothing in the logs either) There is an error when looking up Bar via JNDI When looking at the JNDI tree in the glassfish admin console, Bar is not present at all. Then when I look at the logs, I see this (Foo is the correct name of the EJB's remote interface of the first converted, previously working EJB): Caused by: javax.naming.NamingException: ejb ref resolution error for remote business interface Foo [Root exception is java.lang.ClassNotFoundException: Foo] at com.sun.ejb.EJBUtils.lookupRemote30BusinessObject(EJBUtils.java:425) at com.sun.ejb.containers.RemoteBusinessObjectFactory.getObjectInstance(RemoteBusinessObjectFactory.java:74) at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304) at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:414) at com.sun.enterprise.naming.SerialContext.list(SerialContext.java:603) at javax.naming.InitialContext.list(InitialContext.java:395) at com.sun.enterprise.admin.monitor.jndi.JndiMBeanHelper.getJndiEntriesByContextPath(JndiMBeanHelper.java:106) at com.sun.enterprise.admin.monitor.jndi.JndiMBeanImpl.getNames(JndiMBeanImpl.java:231) ... 68 more Caused by: java.lang.ClassNotFoundException: XXX at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1578) at com.sun.ejb.EJBUtils.getBusinessIntfClassLoader(EJBUtils.java:679) at com.sun.ejb.EJBUtils.lookupRemote30BusinessObject(EJBUtils.java:348) ... 75 more This is followed by more exceptions for all the entries that (like Foo) do appear in the JNDI tree. These look like this: Caused by: javax.naming.NotContextException: BarHome cannot be listed at com.sun.enterprise.naming.SerialContext.list(SerialContext.java:607) at javax.naming.InitialContext.list(InitialContext.java:395) at com.sun.enterprise.admin.monitor.jndi.JndiMBeanHelper.getJndiEntriesByContextPath(JndiMBeanHelper.java:106) at com.sun.enterprise.admin.monitor.jndi.JndiMBeanImpl.getNames(JndiMBeanImpl.java:231) ... 68 more However, no exception for Bar, it does not appear in the log at all except one entry during deployment. The other EJBs in the same module do appear, as does Foo. Any ideas what could cause this or how to diagnose it further? The beans are pretty straightforward: @Stateless(name = "Foo") @RolesAllowed("FOOUSER") @TransactionAttribute(TransactionAttributeType.SUPPORTS) public class FooImpl extends BaseBean implements Foo { I'm also having some problems with the deployment descriptor for Bar (I'd like to eliminate it, but glassfish doesn't seem to like having a bean appear only in sun-ejb-jar.xml, or having some beans in a module declared in the descriptor and others use only annotations), but I can't see how that could cause the ClassNotFoundException on Foo. Is there a way to see the ClassPath that Glassfish is actually using?

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• How to tell Java SAX Parser to ignore invalid character references?

  - by Epaga

  When trying to parse incorrect XML with a character reference such as &#x1, Java's SAX Parser dies a horrible death with a fatal error such as org.xml.sax.SAXParseException: Character reference "&#x1" is an invalid XML character. Is there any way around this? Will I have to clean up the XML file before I hand it off to the SAX Parser? If so, is there an elegant way of going about this?

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• Maven:install jar file during build process

  - by Venkata

  I have got a requirement as follows. I need to run ant build file during maven build process. I need to invoke the build.xml from my pom.xml file. I have done that using maven-antrun-plugin. Now I need to install the ant build generated jar file automatically into my local repository before maven compiles my project source. I tried using build-helper-maven-plugin but it did not help. Either I am doing something wrong, or i am not doing right. Please help. Update Thank you. ant maven tasks worked for me as well. However I am runing into the following exception at the end of the build process. Any help is highly appreciated. org.apache.tools.ant.ExitException: Permission (java.lang.RuntimePermission exitVM) was not granted. at org.apache.tools.ant.types.Permissions$MySM.checkExit(Permissions.java:196) at java.lang.Runtime.exit(Runtime.java:99) at java.lang.System.exit(System.java:275) at org.codehaus.classworlds.Launcher.main(Launcher.java:376) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37) at java.lang.reflect.Method.invoke(Method.java:599) at org.apache.tools.ant.taskdefs.ExecuteJava.run(ExecuteJava.java:217) at org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:152) at org.apache.tools.ant.taskdefs.Java.run(Java.java:771) at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:221) at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:135) at org.apache.tools.ant.taskdefs.Java.execute(Java.java:108) at org.apache.maven.artifact.ant.Mvn.execute(Mvn.java:81) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37) at java.lang.reflect.Method.invoke(Method.java:599) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) at org.apache.tools.ant.Task.perform(Task.java:348) at org.apache.tools.ant.Target.execute(Target.java:390) at org.apache.tools.ant.Target.performTasks(Target.java:411) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399) at org.apache.tools.ant.Project.executeTarget(Project.java:1368) at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) at org.apache.tools.ant.Project.executeTargets(Project.java:1251) at org.apache.tools.ant.Main.runBuild(Main.java:809) at org.apache.tools.ant.Main.startAnt(Main.java:217) at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280) at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)

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• Serializing Class Derived from Generic Collection yet Deserializing the Generic Collection

  - by Stacey

  I have a Repository Class with the following method... public T Single<T>(Predicate<T> expression) { using (var list = (Models.Collectable<T>)System.Xml.Serializer.Deserialize(typeof(Models.Collectable<T>), FileName)) { return list.Find(expression); } } Where Collectable is defined.. [Serializable] public class Collectable<T> : List<T>, IDisposable { public Collectable() { } public void Dispose() { } } And an Item that uses it is defined.. [Serializable] [System.Xml.Serialization.XmlRoot("Titles")] public partial class Titles : Collectable<Title> { } The problem is when I call the method, it expects "Collectable" to be the XmlRoot, but the XmlRoot is "Titles" (all of object Title). I have several classes that are collected in .xml files like this, but it seems pointless to rewrite the basic methods for loading each up when the generic accessors do it - but how can I enforce the proper root name for each file without hard coding methods for each one? The [System.Xml.Serialization.XmlRoot] seems to be ignored. When called like this... var titles = Repository.List<Models.Title>(); I get the exception <Titlesxmlns=''> was not expected. The XML is formatted such as. .. <?xml version="1.0" encoding="utf-16"?> <Titles xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <Title> <Id>442daf7d-193c-4da8-be0b-417cec9dc1c5</Id> </Title> </Titles> Here is the deserialization code. public static T Deserialize<T>(String xmlString) { System.Xml.Serialization.XmlSerializer XmlFormatSerializer = new System.Xml.Serialization.XmlSerializer(typeof(T)); StreamReader XmlStringReader = new StreamReader(xmlString); //XmlTextReader XmlFormatReader = new XmlTextReader(XmlStringReader); try { return (T)XmlFormatSerializer.Deserialize(XmlStringReader); } catch (Exception e) { throw e; } finally { XmlStringReader.Close(); } }

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• jQuery - xpath find?

  - by Steve

  If you have the xml below in $(xml), you would get droopy using: $(xml).find("animal").find("dog").find("beagle").text() Is there an equivalent way in jQuery to use xpath like $(xml).xpathfind("/animal/dog/beagle").text()? <animal> <dog> <beagle> droopy </beagle> ...

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• outofmemoryerror when running jar but not when running in netbeans/ apache poi

  - by Laughy

  I basically have a program that filters records from one excel file to another excel file using the apache poi. My program runs fine when it runs using netbeans. However, upon doing a clean and build and double clicking the .jar file inside the dist folder, it runs for very long( too long!) and gives me the following error( that I got by running the program from command prompt ). Is there any work around for it? I have already increase the heap size to be -Xms1500m inside netbeans before cleaning and building. Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space at org.apache.xmlbeans.impl.store.Saver$TextSaver.resize(Saver.java:1592) at org.apache.xmlbeans.impl.store.Saver$TextSaver.preEmit(Saver.java:1223) at org.apache.xmlbeans.impl.store.Saver$TextSaver.emit(Saver.java:1144) at org.apache.xmlbeans.impl.store.Saver$TextSaver.emitElement(Saver.java:926) at org.apache.xmlbeans.impl.store.Saver.processElement(Saver.java:456) at org.apache.xmlbeans.impl.store.Saver.process(Saver.java:307) at org.apache.xmlbeans.impl.store.Saver$TextSaver.saveToString(Saver.java:1727) at org.apache.xmlbeans.impl.store.Cursor._xmlText(Cursor.java:546) at org.apache.xmlbeans.impl.store.Cursor.xmlText(Cursor.java:2436) at org.apache.xmlbeans.impl.values.XmlObjectBase.xmlText(XmlObjectBase.java:1455) at org.apache.poi.xssf.model.SharedStringsTable.getKey(SharedStringsTable.java:130) at org.apache.poi.xssf.model.SharedStringsTable.addEntry(SharedStringsTable.java:176) at org.apache.poi.xssf.usermodel.XSSFCell.setCellType(XSSFCell.java:755) at equity.EquityFrame_Updated.copyRowsFromOldToNew(EquityFrame_Updated.java:646) at equity.EquityFrame_Updated.init(EquityFrame_Updated.java:133) at equity.EquityFrame_Updated.createAndShowGUI(EquityFrame_Updated.java:71) at equity.EquityFrame_Updated.<init>(EquityFrame_Updated.java:50) at equity.FileOpener.generateButtonPressed(FileOpener.java:160) at equity.FileOpener.access$100(FileOpener.java:17) at equity.FileOpener$2.actionPerformed(FileOpener.java:61) at javax.swing.AbstractButton.fireActionPerformed(Unknown Source) at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.setPressed(Unknown Source) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source) at java.awt.Component.processMouseEvent(Unknown Source) at javax.swing.JComponent.processMouseEvent(Unknown Source) at java.awt.Component.processEvent(Unknown Source) at java.awt.Container.processEvent(Unknown Source) at java.awt.Component.dispatchEventImpl(Unknown Source) at java.awt.Container.dispatchEventImpl(Unknown Source) at java.awt.Component.dispatchEvent(Unknown Source)

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• Compiling Java code in terminal having a Jar in CLASSPATH

  - by Masi

  How can you compile the code using javac in a terminal by using google-collections in CLASSPATH? Example of code trying to compile using javac in a terminal (works in Eclipse) import com.google.common.collect.BiMap; import com.google.common.collect.HashBiMap; public class Locate { ... BiMap<MyFile, Integer> rankingToResult = HashBiMap.create(); ... } Compiling in terminal src 288 % javac Locate.java Locate.java:14: package com.google.common.collect does not exist import com.google.common.collect.BiMap; ^ Locate.java:15: package com.google.common.collect does not exist import com.google.common.collect.HashBiMap; ^ Locate.java:153: cannot find symbol symbol : class BiMap location: class Locate BiMap<MyFile, Integer> rankingToResult = HashBiMap.create(); ^ Locate.java:153: cannot find symbol symbol : variable HashBiMap location: class Locate BiMap<MyFile, Integer> rankingToResult = HashBiMap.create(); ^ 4 errors My CLASSPATH src 289 % echo $CLASSPATH /u/1/bin/javaLibraries/google-collect-1.0.jar

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• I/O between AIR client using Native process and executable java .jar

  - by aseem behl

  I am using Adobe AIR 2.0 native process API to launch a java executable jar. I/O is handled by writing to the input stream of the java process and reading from the output stream. The application is event based where several events are fired from the server. We catch these events in java code, handle them and write the output to the outputstream using the synchronized static method below. public class ReaderWriter { static Logger logger = Logger.getLogger(ReaderWriter.class); public synchronized static void writeToAir(String output){ try{ byte[] byteArray = output.getBytes(); DataOutputStream dataOutputStream = new DataOutputStream(System.out); dataOutputStream.write(byteArray); dataOutputStream.flush(); } catch (IOException e) { logger.info("Exception while writing the output. " + e); } } } The issue is that some messages are lost between the transfer and not all messages reach the AIR client. If I run the java application from the console I am receiving all the messages. It would be great if somebody could point out what I am missing. Following are some of the listeners used to send the event data to the AIR client. // class used to process Shutdown events from the Session private class SessionShutdownListener implements SessionListener{ public void onEvent(Event e) { Session.Shutdown sd = (Session.Shutdown) e; Session.ShutdownReason sr = sd.getReason(); String eventOutput = "eo;" + "Session Shutdown event ocurred reason=" + sr.strValue() + "\n"; ReaderWriter.writeToAir(eventOutput); } } // class used to process OperationSucceeded events from the Session private class SessionOperationSucceededListener implements SessionListener{ public void onEvent(Event e) { Session.OperationSucceeded os = (Session.OperationSucceeded) e; String eventOutput = "eo;" + "Session OperationSucceeded event ocurred" + "\n"; ReaderWriter.writeToAir(eventOutput); } }

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• Issue in achartengine jar file

  - by Anshuman

  Actually i have created an app in which i have used achartengine to contruct graph. It was running ok, but today i saw an update for android SDK to r17. Once i upadated the sdk the app i had build started crash. In the logcat i show the following error report. Why this happen, is it because the jar file i have used is deprecated. 03-27 14:44:26.320: E/AndroidRuntime(4360): java.lang.NoClassDefFoundError: [Lorg.achartengine.chart.PointStyle; 03-27 14:44:26.320: E/AndroidRuntime(4360): at in.com.example.ChartEngineActivity.onCreate(ChartEngineActivity.java:58) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.ActivityThread.access$1500(ActivityThread.java:117) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.os.Handler.dispatchMessage(Handler.java:99) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.os.Looper.loop(Looper.java:130) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.ActivityThread.main(ActivityThread.java:3683) 03-27 14:44:26.320: E/AndroidRuntime(4360): at java.lang.reflect.Method.invokeNative(Native Method) 03-27 14:44:26.320: E/AndroidRuntime(4360): at java.lang.reflect.Method.invoke(Method.java:507) 03-27 14:44:26.320: E/AndroidRuntime(4360): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 03-27 14:44:26.320: E/AndroidRuntime(4360): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 03-27 14:44:26.320: E/AndroidRuntime(4360): at dalvik.system.NativeStart.main(Native Method)

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• Help me understand making maven project w/ non-maven jar dependencies usable by others

  - by deet

  Hi, I'm in the process of learning maven (and java packaging & distribution) with a new oss project I'm making as practice. Here's my situation, all java of course: My main project is ProjectA, maven-based in a github repository. I have also created one utility project, maven-based, in github: ProjectB. ProjectA depends on a project I have heavily modified that originally was from a google-code ant-based repository, ProjectC. So, how do I set up the build for ProjectA such that someone can download ProjectA.jar and use it without needing to install jars for ProjectB and ProjectC, and also how do I set up the build such that someone could check out ProjectA and run only 'mvn package' for a full compile? (Additionally, what should I do with my modified version of ProjectC? include the class files directly into ProjectA, or fork the project into something that could then be used by as a maven dependency?) I've been reading around, links such as this SO question and this SO question, but I'm unclear how those relate to my particular circumstance. So, any help would be appreciated. Thanks!

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• Java EE 6 and NoSQL/MongoDB on GlassFish using JPA and EclipseLink 2.4 (TOTD #175)

  - by arungupta

  TOTD #166 explained how to use MongoDB in your Java EE 6 applications. The code in that tip used the APIs exposed by the MongoDB Java driver and so requires you to learn a new API. However if you are building Java EE 6 applications then you are already familiar with Java Persistence API (JPA). Eclipse Link 2.4, scheduled to release as part of Eclipse Juno, provides support for NoSQL databases by mapping a JPA entity to a document. Their wiki provides complete explanation of how the mapping is done. This Tip Of The Day (TOTD) will show how you can leverage that support in your Java EE 6 applications deployed on GlassFish 3.1.2. Before we dig into the code, here are the key concepts ... A POJO is mapped to a NoSQL data source using @NoSQL or <no-sql> element in "persistence.xml". A subset of JPQL and Criteria query are supported, based upon the underlying data store Connection properties are defined in "persistence.xml" Now, lets lets take a look at the code ... Download the latest EclipseLink 2.4 Nightly Bundle. There is a Installer, Source, and Bundle - make sure to download the Bundle link (20120410) and unzip. Download GlassFish 3.1.2 zip and unzip. Install the Eclipse Link 2.4 JARs in GlassFish Remove the following JARs from "glassfish/modules": org.eclipse.persistence.antlr.jar org.eclipse.persistence.asm.jar org.eclipse.persistence.core.jar org.eclipse.persistence.jpa.jar org.eclipse.persistence.jpa.modelgen.jar org.eclipse.persistence.moxy.jar org.eclipse.persistence.oracle.jar Add the following JARs from Eclipse Link 2.4 nightly build to "glassfish/modules": org.eclipse.persistence.antlr_3.2.0.v201107111232.jar org.eclipse.persistence.asm_3.3.1.v201107111215.jar org.eclipse.persistence.core.jpql_2.4.0.v20120407-r11132.jar org.eclipse.persistence.core_2.4.0.v20120407-r11132.jar org.eclipse.persistence.jpa.jpql_2.0.0.v20120407-r11132.jar org.eclipse.persistence.jpa.modelgen_2.4.0.v20120407-r11132.jar org.eclipse.persistence.jpa_2.4.0.v20120407-r11132.jar org.eclipse.persistence.moxy_2.4.0.v20120407-r11132.jar org.eclipse.persistence.nosql_2.4.0.v20120407-r11132.jar org.eclipse.persistence.oracle_2.4.0.v20120407-r11132.jar Start MongoDB Download latest MongoDB from here (2.0.4 as of this writing). Create the default data directory for MongoDB as: sudo mkdir -p /data/db/sudo chown `id -u` /data/db Refer to Quickstart for more details. Start MongoDB as: arungup-mac:mongodb-osx-x86_64-2.0.4 <arungup> ->./bin/mongod./bin/mongod --help for help and startup optionsMon Apr  9 12:56:02 [initandlisten] MongoDB starting : pid=3124 port=27017 dbpath=/data/db/ 64-bit host=arungup-mac.localMon Apr  9 12:56:02 [initandlisten] db version v2.0.4, pdfile version 4.5Mon Apr  9 12:56:02 [initandlisten] git version: 329f3c47fe8136c03392c8f0e548506cb21f8ebfMon Apr  9 12:56:02 [initandlisten] build info: Darwin erh2.10gen.cc 9.8.0 Darwin Kernel Version 9.8.0: Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386 i386 BOOST_LIB_VERSION=1_40Mon Apr  9 12:56:02 [initandlisten] options: {}Mon Apr  9 12:56:02 [initandlisten] journal dir=/data/db/journalMon Apr  9 12:56:02 [initandlisten] recover : no journal files present, no recovery neededMon Apr  9 12:56:02 [websvr] admin web console waiting for connections on port 28017Mon Apr  9 12:56:02 [initandlisten] waiting for connections on port 27017 Check out the JPA/NoSQL sample from SVN repository. The complete source code built in this TOTD can be downloaded here. Create Java EE 6 web app Create a Java EE 6 Maven web app as: mvn archetype:generate -DarchetypeGroupId=org.codehaus.mojo.archetypes -DarchetypeArtifactId=webapp-javaee6 -DgroupId=model -DartifactId=javaee-nosql -DarchetypeVersion=1.5 -DinteractiveMode=false Copy the model files from the checked out workspace to the generated project as: cd javaee-nosqlcp -r ~/code/workspaces/org.eclipse.persistence.example.jpa.nosql.mongo/src/model src/main/java Copy "persistence.xml" mkdir src/main/resources cp -r ~/code/workspaces/org.eclipse.persistence.example.jpa.nosql.mongo/src/META-INF ./src/main/resources Add the following dependencies: <dependency> <groupId>org.eclipse.persistence</groupId> <artifactId>org.eclipse.persistence.jpa</artifactId> <version>2.4.0-SNAPSHOT</version> <scope>provided</scope></dependency><dependency> <groupId>org.eclipse.persistence</groupId> <artifactId>org.eclipse.persistence.nosql</artifactId> <version>2.4.0-SNAPSHOT</version></dependency><dependency> <groupId>org.mongodb</groupId> <artifactId>mongo-java-driver</artifactId> <version>2.7.3</version></dependency> The first one is for the EclipseLink latest APIs, the second one is for EclipseLink/NoSQL support, and the last one is the MongoDB Java driver. And the following repository: <repositories> <repository> <id>EclipseLink Repo</id> <url>http://www.eclipse.org/downloads/download.php?r=1&amp;nf=1&amp;file=/rt/eclipselink/maven.repo</url> <snapshots> <enabled>true</enabled> </snapshots> </repository>  </repositories> Copy the "Test.java" to the generated project: mkdir src/main/java/examplecp -r ~/code/workspaces/org.eclipse.persistence.example.jpa.nosql.mongo/src/example/Test.java ./src/main/java/example/ This file contains the source code to CRUD the JPA entity to MongoDB. This sample is explained in detail on EclipseLink wiki. Create a new Servlet in "example" directory as: package example;import java.io.IOException;import java.io.PrintWriter;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;/** * @author Arun Gupta */@WebServlet(name = "TestServlet", urlPatterns = {"/TestServlet"})public class TestServlet extends HttpServlet { protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); PrintWriter out = response.getWriter(); try { out.println("<html>"); out.println("<head>"); out.println("<title>Servlet TestServlet</title>"); out.println("</head>"); out.println("<body>"); out.println("<h1>Servlet TestServlet at " + request.getContextPath() + "</h1>"); try { Test.main(null); } catch (Exception ex) { ex.printStackTrace(); } out.println("</body>"); out.println("</html>"); } finally { out.close(); } } @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); }} Build the project and deploy it as: mvn clean packageglassfish3/bin/asadmin deploy --force=true target/javaee-nosql-1.0-SNAPSHOT.war Accessing http://localhost:8080/javaee-nosql/TestServlet shows the following messages in the server.log: connecting(EISLogin( platform=> MongoPlatform user name=> "" MongoConnectionSpec())) . . .Connected: User: Database: 2.7  Version: 2.7 . . .Executing MappedInteraction() spec => null properties => {mongo.collection=CUSTOMER, mongo.operation=INSERT} input => [DatabaseRecord( CUSTOMER._id => 4F848E2BDA0670307E2A8FA4 CUSTOMER.NAME => AMCE)]. . .Data access result: [{TOTALCOST=757.0, ORDERLINES=[{DESCRIPTION=table, LINENUMBER=1, COST=300.0}, {DESCRIPTION=balls, LINENUMBER=2, COST=5.0}, {DESCRIPTION=rackets, LINENUMBER=3, COST=15.0}, {DESCRIPTION=net, LINENUMBER=4, COST=2.0}, {DESCRIPTION=shipping, LINENUMBER=5, COST=80.0}, {DESCRIPTION=handling, LINENUMBER=6, COST=55.0},{DESCRIPTION=tax, LINENUMBER=7, COST=300.0}], SHIPPINGADDRESS=[{POSTALCODE=L5J1H7, PROVINCE=ON, COUNTRY=Canada, CITY=Ottawa,STREET=17 Jane St.}], VERSION=2, _id=4F848E2BDA0670307E2A8FA8,DESCRIPTION=Pingpong table, CUSTOMER__id=4F848E2BDA0670307E2A8FA7, BILLINGADDRESS=[{POSTALCODE=L5J1H8, PROVINCE=ON, COUNTRY=Canada, CITY=Ottawa, STREET=7 Bank St.}]}] You'll not see any output in the browser, just the output in the console. But the code can be easily modified to do so. Once again, the complete Maven project can be downloaded here. Do you want to try accessing relational and non-relational (aka NoSQL) databases in the same PU ?

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• Packaging Swing apps with integrated JavaFX content

  - by igor

  JavaFX provides a lot of interesting capabilities for developing rich client applications in Java, but what if you are working on an existing Swing application and you want to take advantage of these new features?  Maybe you want to use one or two controls like the LineChart or a MediaView.  Maybe you want to embed a large Scene Graph as an initial step in porting your application to FX.  A hybrid Swing/FX application might just be the answer. Developing a hybrid Swing + JavaFX application is not terribly difficult, but until recently the deployment of hybrid applications has not simple as a "pure" JavaFX application.  The existing tools focused on packaging FX Applications, or Swing applications - they did not account for hybrid applications. But with JavaFX 2.2 the tools include support for this hybrid application use case.  Solution  In JavaFX 2.2 we extended the packaging ant tasks to greatly simplify deploying hybrid applications.  You now use the same deployment approach as you would for pure JavaFX applications.  Just bundle your main application jar with the fx:jar ant task and then generate html/jnlp files using fx:deploy.  The only difference is setting toolkit attribute for the fx:application tag as shown below: <fx:application id="swingFXApp" mainClass="${main.class}" toolkit="swing"/>  The value of ${main.class} in the example above is your application class which has a main method.  It does not need to extend JavaFX Application class. The resulting package provides support for the same set of execution modes as a package for a JavaFX application, although the packages which are created are not identical to the packages created for a pure FX application.  You will see two JNLP files generated in the case of a hybrid application - one for use from Swing applet and another for the webstart launch.  Note that these improvements do not alter the set of features available to Swing applications. The packaging tools just make it easier to use the advanced features of JavaFX in your Swing application. The same limits still apply, for example a Swing application can not use JavaFX Preloaders and code changes are necessary to support HTML splash screens. Why should I use the JavaFX ant tasks for packaging my Swing application?  While using FX packaging tool for a Swing application may seem like a mismatch at face value, there are some really good reasons to use this approach.  The primary justification for our packaging tools is to simplify the creation of your application artifacts, and to reduce manual errors.  Plus, no one should have to write JNLP by hand. Some specific benefits include: Your application jar will include a launcher program.  This improves your standalone launch by: checking for the JavaFX runtime guiding the user through any necessary installations setting the system proxy for Java The ant tasks will generate JNLP and HTML files for your swing app: avoids learning unnecessary details about JNLP, and eliminates the error-prone hand editing of JNLP files simplifies using advanced features like embedding JNLP and signing jars as BLOBs to improve launch performance.you can also embed the signing certificate details to improve the user's experience  allows the use of web page templates to inject the generated code directly into your actual web page instead of being forced to copy/paste the generated code snippets. What about native packing? Absolutely!  The very same ant task can generate a native bundle for a Swing application with JavaFX content.  Try running one of these sample native bundles for the "SwingInterop" FX example: exe and dmg.   I also used another feature on these examples: a click-through license agreement for .exe installers and OS X DMG drag installers. Small Caveat This packaging procedure is optimized around using the JavaFX packaging tools for your entire Swing application.  If you are trying to embed JavaFX content into existing project (with an existing build/packing process) then you may need to experiment in order to find the best way to integrate the JavaFX packaging steps into your existing build procedure. As long as you can use ant in your build process this should be a workable approach. It some cases solution could be less than ideal. For example, you need to use fx:jar to package your main jar file in order to produce a double-clickable jar or a native bundle.  The jar will be created from scratch, but you may already be creating the main jar file with a custom manifest.  This may lead to some redundant steps in your build process.  Hopefully the benefits will outweigh the problems. This is an area of ongoing development for the team, and we will continue to refine and improve both the tools and the process. Please share your experiences and suggestions with us.  You can comment here on the blog or file issues to JIRA. Sample code Here is the full ant code used to package SwingInterop.  You can grab latest JavaFX samples and try it yourself:  <target name="-post-jar"> <taskdef resource="com/sun/javafx/tools/ant/antlib.xml" uri="javafx:com.sun.javafx.tools.ant" classpath="${javafx.tools.ant.jar}"/> <!-- Mark application as Swing-based --> <fx:application id="swingFXApp" mainClass="${main.class}" toolkit="swing"/> <!-- Create doubleclickable jar file with embedded launcher --> <fx:jar destfile="${dist.jar}"> <fileset dir="${build.classes.dir}"/> <fx:application refid="swingFXApp" name="SwingInterop"/> <manifest> <attribute name="Implementation-Vendor" value="${application.vendor}"/> <attribute name="Implementation-Title" value="${application.title}"/> <attribute name="Implementation-Version" value="1.0"/> </manifest> </fx:jar> <!-- sign application jar. Use new self signed certificate --> <delete file="${build.dir}/test.keystore"/> <genkey alias="TestAlias" storepass="xyz123" keystore="${build.dir}/test.keystore" dname="CN=Samples, OU=JavaFX Dev, O=Oracle, C=US"/> <fx:signjar keystore="${build.dir}/test.keystore" alias="TestAlias" storepass="xyz123"> <fileset file="${dist.jar}"/> </fx:signjar> <!-- generate JNLPs, HTML and native bundles --> <fx:deploy width="960" height="720" includeDT="true" nativeBundles="all" outdir="${basedir}/${dist.dir}" embedJNLP="true" outfile="${application.title}"> <fx:application refId="swingFXApp"/> <fx:resources> <fx:fileset dir="${basedir}/${dist.dir}" includes="SwingInterop.jar"/> </fx:resources> <fx:permissions/> <info title="Sample app: ${application.title}" vendor="${application.vendor}"/> </fx:deploy> </target>

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• Strange Flash AS3 xml Socket behavior

  - by Rnd_d

  I have a problem which I can't understand. To understand it I wrote a socket client on AS3 and a server on python/twisted, you can see the code of both applications below. Let's launch two clients at the same time, arrange them so that you can see both windows and press connection button in both windows. Then press and hold any button. What I'm expecting: Client with pressed button sends a message "some data" to the server, then the server sends this message to all the clients(including the original sender) . Then each client moves right the button 'connectButton' and prints a message to the log with time in the following format: "min:secs:milliseconds". What is going wrong: The motion is smooth in the client that sends the message, but in all other clients the motion is jerky. This happens because messages to those clients arrive later than to the original sending client. And if we have three clients (let's name them A,B,C) and we send a message from A, the sending time log of B and C will be the same. Why other clients recieve this messages later than the original sender? By the way, on ubuntu 10.04/chrome all the motion is smooth. Two clients are launched in separated chromes. windows screenshot Can't post linux screenshot, need more than 10 reputation to post more hyperlinks. Listing of log, four clients simultaneously: [16:29:33.280858] 62.140.224.1 >> some data [16:29:33.280912] 87.249.9.98 << some data [16:29:33.280970] 87.249.9.98 << some data [16:29:33.281025] 87.249.9.98 << some data [16:29:33.281079] 62.140.224.1 << some data [16:29:33.323267] 62.140.224.1 >> some data [16:29:33.323326] 87.249.9.98 << some data [16:29:33.323386] 87.249.9.98 << some data [16:29:33.323440] 87.249.9.98 << some data [16:29:33.323493] 62.140.224.1 << some data [16:29:34.123435] 62.140.224.1 >> some data [16:29:34.123525] 87.249.9.98 << some data [16:29:34.123593] 87.249.9.98 << some data [16:29:34.123648] 87.249.9.98 << some data [16:29:34.123702] 62.140.224.1 << some data AS3 client code package { import adobe.utils.CustomActions; import flash.display.Sprite; import flash.events.DataEvent; import flash.events.Event; import flash.events.IOErrorEvent; import flash.events.KeyboardEvent; import flash.events.MouseEvent; import flash.events.SecurityErrorEvent; import flash.net.XMLSocket; import flash.system.Security; import flash.text.TextField; public class Main extends Sprite { private var socket :XMLSocket; private var textField :TextField = new TextField; private var connectButton :TextField = new TextField; public function Main():void { if (stage) init(); else addEventListener(Event.ADDED_TO_STAGE, init); } private function init(event:Event = null):void { socket = new XMLSocket(); socket.addEventListener(Event.CONNECT, connectHandler); socket.addEventListener(DataEvent.DATA, dataHandler); stage.addEventListener(KeyboardEvent.KEY_DOWN, keyDownHandler); addChild(textField); textField.y = 50; textField.width = 780; textField.height = 500; textField.border = true; connectButton.selectable = false; connectButton.border = true; connectButton.addEventListener(MouseEvent.MOUSE_DOWN, connectMouseDownHandler); connectButton.width = 105; connectButton.height = 20; connectButton.text = "click here to connect"; addChild(connectButton); } private function connectHandler(event:Event):void { textField.appendText("Connect\n"); textField.appendText("Press and hold any key\n"); } private function dataHandler(event:DataEvent):void { var now:Date = new Date(); textField.appendText(event.data + " time = " + now.getMinutes() + ":" + now.getSeconds() + ":" + now.getMilliseconds() + "\n"); connectButton.x += 2; } private function keyDownHandler(event:KeyboardEvent):void { socket.send("some data"); } private function connectMouseDownHandler(event:MouseEvent):void { var connectAddress:String = "ep1c.org"; var connectPort:Number = 13250; Security.loadPolicyFile("xmlsocket://" + connectAddress + ":" + String(connectPort)); socket.connect(connectAddress, connectPort); } } } Python server code from twisted.internet import reactor from twisted.internet.protocol import ServerFactory from twisted.protocols.basic import LineOnlyReceiver import datetime class EchoProtocol(LineOnlyReceiver): ##### name = "" id = 0 delimiter = chr(0) ##### def getName(self): return self.transport.getPeer().host def connectionMade(self): self.id = self.factory.getNextId() print "New connection from %s - id:%s" % (self.getName(), self.id) self.factory.clientProtocols[self.id] = self def connectionLost(self, reason): print "Lost connection from "+ self.getName() del self.factory.clientProtocols[self.id] self.factory.sendMessageToAllClients(self.getName() + " has disconnected.") def lineReceived(self, line): print "[%s] %s >> %s" % (datetime.datetime.now().time(), self, line) if line=="<policy-file-request/>": data = """<?xml version="1.0"?> <!DOCTYPE cross-domain-policy SYSTEM "http://www.adobe.com/xml/dtds/cross-domain-policy.dtd"> <!-- Policy file for xmlsocket://ep1c.org --> <cross-domain-policy> <allow-access-from domain="*" to-ports="%s" /> </cross-domain-policy>""" % PORT self.send(data) else: self.factory.sendMessageToAllClients( line ) def send(self, line): print "[%s] %s << %s" % (datetime.datetime.now().time(), self, line) if line: self.transport.write( str(line) + chr(0)) else: print "Nothing to send" def __str__(self): return self.getName() class ChatProtocolFactory(ServerFactory): protocol = EchoProtocol def __init__(self): self.clientProtocols = {} self.nextId = 0 def getNextId(self): id = self.nextId self.nextId += 1 return id def sendMessageToAllClients(self, msg): for client in self.clientProtocols: self.clientProtocols[client].send(msg) def sendMessageToClient(self, id, msg): self.clientProtocols[id].send(msg) PORT = 13250 print "Starting Server" factory = ChatProtocolFactory() reactor.listenTCP(PORT, factory) reactor.run()

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• Serving static content with jetty 7, using defaultservlet configured from web.xml

  - by Chilly

  Hi All, This is jetty 7 and xml configured, not embedded. I'm trying to serve a static file, crossdomain.xml, to an app that connects to a datasource I run from jetty. To do this, I configured a servlet and its mapping thus: default org.eclipse.jetty.servlet.DefaultServlet resourceBase /moo/somedirectory default /* Sadly all I get are 404's. Any help would be much appreciated, btw the rest of my web.xm lfile looks like: <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5" cometd org.cometd.server.continuation.ContinuationCometdServlet 1 cometd /cometd/* default org.eclipse.jetty.servlet.DefaultServlet resourceBase /foo/foo default /* initializer com.foo.research.Initializer 2 cross-origin org.eclipse.jetty.servlets.CrossOriginFilter cross-origin /cometd/* </web-app>

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• XSLT Transformation of XML File

  - by Russ Clark

  I've written a simple XML Document that I am trying to transform with an XSLT file, but I get no results when I run the code. Here is my XML document: <?xml version="1.0" encoding="utf-8" ?> <Employee xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="XSLT_MVC.Controllers"> <ID>42</ID> <Name>Russ</Name> </Employee> And here is the XSLT file: <?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt" exclude-result-prefixes="msxsl" xmlns:ex="XSLT_MVC.Controllers" > <xsl:output method="xml" indent="yes"/> <xsl:template match="/"> <xsl:copy> <!--<xsl:apply-templates select="@* | node()"/>--> <xsl:value-of select="ex:Employee/Name"/> </xsl:copy> </xsl:template> </xsl:stylesheet> Here is the code (from a C# console app) I am trying to run to perform the transform: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Xml; using System.Xml.Xsl; using System.Xml.XPath; namespace XSLT { class Program { static void Main(string[] args) { Transform(); } public static void Transform() { XPathDocument myXPathDoc = new XPathDocument(@"docs\sampledoc.xml"); XslTransform myXslTrans = new XslTransform(); myXslTrans.Load(@"docs\new.xslt"); XmlTextWriter myWriter = new XmlTextWriter( "results.html", null); myXslTrans.Transform(myXPathDoc, null, myWriter); myWriter.Close(); } } } When I run the code I get a blank html file. I think I may have problems with the namespaces, but am not sure. Can anyone help with this?

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• SSIS(sql server integration service) xml data flow

  - by swapna

  Hi, I have an xml file the content which i have to write to a Database table using ssis pacakge. I am using xml source nad oledb destination My issue now is this xml file generate multiple outputs .(event,produt,offer,form) etc. But i need to write all in one data row(more than one if 2 products are there for the event) in the database. But i do not know how to use this multiple outputs and make a single row for a event. I hav read numerous articles about this subject but not able to take a decision.what is the right way of doing this. 1) xml source ? (if i use this how do i merge the multiple outputs) 2) or a script task using xml objects read and write to the DB. or anything new ? Please provide me some solutions xml sample file * - ABc. 2009-06-07 2010-04-30 region test 1 contact - offertest product1 product1 187 * Thanks SNA

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• Update configSource of XML element in web.config using Powershell by passing in Parameters

  - by Howard

  I am trying to figure out a way to update my web.config for different environments by updating the configSource for the appSettings element in the web.config. Here are the way I know how to do it. $xml.get_DocumentElement().appSettings.configSource = $replaced_test The problem is that I want one base script where I can pass in different nodes to the script that I want to change and update but I am not sure how to do it. For example, I want to be able to call a powershell script like this changeWebConfig.ps1 nodeToChange newValueofNode I hope this was clear enough. This is the code I have now. $webConfigPath = "C:\web.config" # Get the content of the config file and cast it to XML $xml = [xml](get-content $webConfigPath) #this was the trick I had been looking for $root = $xml.get_DocumentElement()."system.serviceModel".client.configSource = $replace # Save it $xml.Save($webConfigPath)

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• to print local xml file through NSData?

  - by senthilmuthu

  hi, i want to take some xml data from local path,and to parse,but when i use following code NSLog returns(content) different texts which is differed from xml file, how can i get exact xml data to check ,it consists correct xml data or not? any help please? when i parse , it returns nothing..i have saved the file as .xml and copied to local resource folder? NSString *xmlFilePath = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"samp.xml"]; NSString *xmlFileContents = [NSString stringWithContentsOfFile:xmlFilePath]; NSData *data = [NSData dataWithBytes:[xmlFileContents UTF8String] length:[xmlFileContents lengthOfBytesUsingEncoding: NSUTF8StringEncoding]]; NSString *content=[[NSString alloc] initWithBytes:[data bytes] length:[data length] encoding:NSUTF8StringEncoding]; NSLog(@"%@",content);

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• How do I authenticate regarding EJB3 Container ?

  - by FMR

  I have my business classes protected by EJB3 security annotations, now I would like to call these methods from a Spring controller, how do I do it? edit I will add some information about my setup, I'm using Tomcat for the webcontainer and OpenEJB for embedding EJB into tomcat. I did not settle on any version of spring so it's more or less open to suggestions. edit current setup works this way : I have a login form + controller that puts a User pojo inside SessionContext. Each time someone access a secured part of the site, the application checks for the User pojo, if it's there check roles and then show the page, if it's not show a appropriate message or redirect to login page. Now the bussiness calls are made thanks to a call method inside User which bypass a probable security context which is a remix of this code found in openejb security examples : Caller managerBean = (Caller) context.lookup("ManagerBeanLocal"); managerBean.call(new Callable() { public Object call() throws Exception { Movies movies = (Movies) context.lookup("MoviesLocal"); movies.addMovie(new Movie("Quentin Tarantino", "Reservoir Dogs", 1992)); movies.addMovie(new Movie("Joel Coen", "Fargo", 1996)); movies.addMovie(new Movie("Joel Coen", "The Big Lebowski", 1998)); List<Movie> list = movies.getMovies(); assertEquals("List.size()", 3, list.size()); for (Movie movie : list) { movies.deleteMovie(movie); } assertEquals("Movies.getMovies()", 0, movies.getMovies().size()); return null; } });

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• Strange/simple batch question regarding Java/Ant

  - by Monster

  For my company, I'm making a batch script to go through and compile the latest revisions of code for our current project. I'm using Ant to build the class files, but encountered a strange error. One of the source files imports .* from a directory, where there are no files (only folders), and in fact, the folders needed are imported right after. It compiles perfectly fine in Eclipse, but I'm using an Ant script to automate it outside of the IDE, and Javac throws an error when it encounters this line. Is there any automated procedure I can use to ignore/suppress this error with javac in Ant? I'd even go so far as to create a dummy file in the importing directory, but all of that in contained in a Jar file I don't wish to have to decompress and then recompress with the dummy file. Thanks!

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• Hudson can't find local maven repository (including 3rd party jars)

  - by MH

  Hi all, I have created a Maven2 project. Everything works fine. Now, I have set up a Hudson project in order to make nightly builds possible. Hudson should check out the current project state from a Subversion repository, run the tests, build the project and deploy everyting to a repository. My Subversion repositroy contains my Maven2 project but no jars located in my local Maven repository (.m2). That's probably why hudson finishes with a failure, saying that some 3rd party jars are't available. Here, I have to say that there are some jars in my local Maven repository (.m2), which aren't available in any Maven repositories. Hence, there is no possibility to download these jars. Has Hudson the ability to connect to the local .m2 repository? Or is there another way to make these jar files available to Hudson? Thanks a million in advance for your help.

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