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  • Java Integer: what is faster comparison or subtraction?

    - by Vladimir
    I've found that java.lang.Integer implementation of compareTo method looks as follows: public int compareTo(Integer anotherInteger) { int thisVal = this.value; int anotherVal = anotherInteger.value; return (thisVal<anotherVal ? -1 : (thisVal==anotherVal ? 0 : 1)); } The question is why use comparison instead of subtraction: return thisVal - anotherVal;

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  • C# HtmlRequest and Javascript

    - by TechByte
    Is there anyway to get the same web source with c# as using Firebug? My source code is shown below. When I saved this, loaded with Firefox I couldn't get the same source as with Firebug. Are there any libraries that can help me to get all data? <html lang="pl" xml:lang="pl" xmlns="http://www.w3.org/1999/xhtml" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:og="http://ogp.me/ns#"> <head> <meta property="og:title" content="Mitchel Official FanPage "/><meta property="og:type" content="website"/><meta property="og:url" content="http://facebook.com/MitchelOfficiall"/> <meta property="og:locale" content="pl_PL"/><meta property="og:site_name" content="Mitchel Official FanPage "/><meta property="og:description" content="Mitchel Official FanPage "/> <meta content="pl" http-equiv="Content-Language" /> <meta content="text/html; charset=UTF-8" http-equiv="Content-Type" /> <meta content="text/javascript" http-equiv="Content-Script-Type" /> <title>Mitchel Official FanPage </title> <style> body { overflow: hidden; } </style> </head> <body> <div id="fb-root"> </div> <script> window.fbAsyncInit = function() { FB.init({appId: '0', status: true, cookie: true,xfbml: true}); FB.Event.subscribe("edge.create", function(targetUrl) { save(1); }); FB.Event.subscribe("edge.remove", function(targetUrl) { save(0); }); }; (function() { var e = document.createElement('script'); e.async = true; e.src = 'http://connect.facebook.net/pl_PL/all.js'; document.getElementById('fb-root').appendChild(e); }()); function save(x) { setTimeout('save2('+x+')',1000); } function save2(x) { document.location='http://www.likeplus.eu/post/saver?l=pl&t=112499|71272|00cb6c3576a64115878087272c970f751a0418f2e3d7440ca7c84c70b1d91ddb|8904e5cf28544785a42366aa89401017|'+x+'&h='+document.domain; } </script> <div class="fb-like" data-href="http://facebook.com/MitchelOfficiall" data-layout="button_count" data-send="false" data-show-faces="false" data-width="120"></div> </body> </html>

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  • NullPointerException while raise an embedded ldap server using spring

    - by omer c
    Hello, I'm trying to raise the Spring Embedded Ldap Server using: But I'm keep on getting this exception: 2010-06-10 14:33:35,559 ERROR main ApacheDSContainer start - Server startup failed java.lang.NullPointerException at org.apache.directory.server.core.schema.DefaultSchemaService.initialize(DefaultSchemaService.java:382) at org.apache.directory.server.core.DefaultDirectoryService.initialize(DefaultDirectoryService.java:1425) at org.apache.directory.server.core.DefaultDirectoryService.startup(DefaultDirectoryService.java:907) at org.springframework.security.ldap.server.ApacheDSContainer.start(ApacheDSContainer.java:160) at org.springframework.security.ldap.server.ApacheDSContainer.afterPropertiesSet(ApacheDSContainer.java:113) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1469) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1409) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:563) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:872) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:423) at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:276) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:197) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3764) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4212) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:760) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:544) at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:626) at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:553) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:488) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1022) at org.apache.catalina.core.StandardHost.start(StandardHost.java:736) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) at org.apache.catalina.core.StandardService.start(StandardService.java:448) at org.apache.catalina.core.StandardServer.start(StandardServer.java:700) at org.apache.catalina.startup.Catalina.start(Catalina.java:552) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433) I'm using spring 3.0.2 and added the following jars for the ldap: spring-security-ldap-3.0.2.RELEASE.jar spring-ldap-1.3.0.RELEASE-all.jar apacheds-all-1.5.6.jar shared-ldap-0.9.15.jar slf4j-api-1.5.6.jar slf4j-simple-1.5.6.jar Help please....

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  • UTF8 encoding not working when using ajax.

    - by Ronedog
    I recently changed some of my pages to be displayed via ajax and I am having some confusion as to why the utf8 encoding is now displaying a question mark inside of a box, whereas before it wasn't. Fore example. The oringal page was index.php. charset was explicitly set to utf8 and is in the <head>. I then used php to query the database Heres is the original index.php page: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Title here</title> </head> <body class='body_bgcolor' > <div id="main_container"> <?php Data displayed via php was simply a select statement that output the HTML. ?> </div> However, when I made the change to add a menu that populated the "main_container" via ajax all the utf8 encoding stopped working. Here's the new code: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Title here</title> </head> <body class='body_bgcolor' > <a href="#" onclick="display_html('about_us');"> About Us </a> <div id="main_container"></div> The "display_html()" function calls the javascript page which uses jquery ajax call to retrieve the html stored inside a php page, then places the html inside the div with an id of "main_container". I'm setting the charset in jquery to be utf8 like: $.ajax({ async: false, type: "GET", url: url, contentType: "charset=utf-8", success: function(data) { $("#main_container").html(data); } }); What am I doing wrong?

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  • GAE Django template and swedish characters

    - by fredrik
    Hi, I'm trying to render templates of an html-page that contains swedish characters "åäö" but when it renders in the web browser it ends up with "?". The page renders in UTF-8. Is there any way to workaround this or do I need to write the chars as html-code? Also any pointers to the best support for multi-lang site? ..fredrik

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  • Unable to run MR on cluster

    - by RAVITEJA SATYAVADA
    I have an Map reduce program that is running successfully in standalone(Ecllipse) mode but while trying to run the same MR by exporting the jar in cluster. It is showing null pointer exception like this, 13/06/26 05:46:22 ERROR mypackage.HHDriver: Error while configuring run method. java.lang.NullPointerException I double checked the run method parameters those are not null and it is running in standalone mode as well..

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  • Android List with section headers

    - by user324661
    Hi, I'm trying to create a list with headers above a grouping of items. I was looking at SeperatedListAdapter available here: http://jsharkey.org/blog/2008/08/18/separating-lists-with-headers-in-android-09/ but I ran into an error (ERROR/AndroidRuntime(2025): java.lang.IllegalStateException: ArrayAdapter requires the resource ID to be a TextView ) Now I'm looking into more options including making a new one. Do you guys have any hints? Thanks, Bryon

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  • SQL Server JDBC Exception

    - by user267581
    When using ANT to build my Java application I keep getting this error. I have tried multiple times to use SQLJDBC.JAR and SQLJDBC4.JAR but continually receive this error message. I am completely stumpped why this error is received even after upgrading to sqljdbc4.jar. [javadoc] java.lang.UnsupportedOperationException: Java Runtime Environment (JRE) version 1.6 is not supported by this driver. Use the sqljdbc4.jar class library, which provides support for JDBC 4.0.

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  • Rendering HTML in Java

    - by ferronrsmith
    I am trying to create a help panel for an application I am working on. The help file as already been created using html technology and I would like it to be rendered in a pane and shown. All the code I have seen shows how to render a site e.g. "http://google.com". I want to render a file from my pc e.g. "file://c:\tutorial.html" This is the code i have, but it doesn't seem to be working. import javax.swing.JEditorPane; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JScrollPane; import javax.swing.SwingUtilities; import java.awt.Color; import java.awt.Container; import java.io.IOException; import static java.lang.System.err; import static java.lang.System.out; final class TestHTMLRendering { // ------------------------------ CONSTANTS ------------------------------ /** * height of frame in pixels */ private static final int height = 1000; /** * width of frame in pixels */ private static final int width = 1000; private static final String RELEASE_DATE = "2007-10-04"; /** * title for frame */ private static final String TITLE_STRING = "HTML Rendering"; /** * URL of page we want to display */ private static final String URL = "file://C:\\print.html"; /** * program version */ private static final String VERSION_STRING = "1.0"; // --------------------------- main() method --------------------------- /** * Debugging harness for a JFrame * * @param args command line arguments are ignored. */ @SuppressWarnings( { "UnusedParameters" } ) public static void main( String args[] ) { // Invoke the run method on the Swing event dispatch thread // Sun now recommends you call ALL your GUI methods on the Swing // event thread, even the initial setup. // Could also use invokeAndWait and catch exceptions SwingUtilities.invokeLater( new Runnable() { /** * } fire up a JFrame on the Swing thread */ public void run() { out.println( "Starting" ); final JFrame jframe = new JFrame( TITLE_STRING + " " + VERSION_STRING ); Container contentPane = jframe.getContentPane(); jframe.setSize( width, height ); contentPane.setBackground( Color.YELLOW ); contentPane.setForeground( Color.BLUE ); jframe.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE ); try { out.println( "acquiring URL" ); JEditorPane jep = new JEditorPane( URL ); out.println( "URL acquired" ); JScrollPane jsp = new JScrollPane( jep, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED ); contentPane.add( jsp ); } catch ( IOException e ) { err.println( "can't find URL" ); contentPane.add( new JLabel( "can't find URL" ) ); } jframe.validate(); jframe.setVisible( true ); // Shows page, with HTML comments erroneously displayed. // The links are not clickable. } } ); }// end main }// end TestHTMLRendering

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  • Apache BeanUtils.copyProperties is spilling too much log

    - by Ravi Gupta
    How can I switch off logging for BeanUtils.copyProperties ? It creates way too much logs and hampers the log file readability. Thanks heaps.. Sample code BeanUtils.copyProperties(someDataobject,someActionForm); In the log I see hunders of lines like below EBUG org.apache.commons.beanutils.PropertyUtils - setSimpleProperty: Invoking method public void someMethod(java.lang.String) with value null (class ) 2010-03-23 18:53:23,134 DEBUG org.apache.commons.beanutils.BeanUtils - copyProperty(someActionForm@13e38a7, someValue, )

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  • Codeigniter multilanguage and adding the language to the url for seo

    - by Jayapal Chandran
    Hi, I read this http://stackoverflow.com/questions/1328420/the-best-way-to-make-codeigniter-website-multi-language-calling-from-lang-arrays for language inclusion... i wonder how the url will appear for multi languages... How to show the language in url so that it will also be indexed in search engines... for example sitenameDOTcom/es or sitenameDOTcom/whoweare/es or something like this and how to sync with the controllers and the urls...

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  • What's the correct way to read an inputStream into a node property in JCR 2?

    - by Stuart
    In JCR 1 you could do: final InputStream in = zip.getInputStream(zip.getEntry(zipEntryName)); node.setProperty(JcrConstants.JCR_CONTENT, in); But that's deprecated in JCR 2 as detailed at http://www.day.com/maven/jsr170/javadocs/jcr-2.0/javax/jcr/Node.html#setProperty%28java.lang.String,%20java.io.InputStream%29 That says I should be using node.setProperty(String, Binary) but I don't see any way to turn my inputStream into a Binary. Can anyone point me to docs or example code for this?

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  • rails i18n shared keys

    - by SMiX
    Hello. How can I define shared keys in my config/locales/lang.yml ? For example I want to use f.label :date and to see translated word "date" in all forms for all models.

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  • Access static enum fields using JNI invocation API

    - by Xinus
    How can we access static enum fields using JNI invocation API I am trying to access glassfish org.glassfish.api.embedded.ContainerBuilder.Type enumeration from Glassfish api using following code jclass Type= env->FindClass( "org/glassfish/api/embedded/ContainerBuilder$Type"); jfieldID Type_web=env->GetStaticFieldID( Type,"web","org/glassfish/api/embedded/ContainerBuilder$Type"); But it always gives me error as Exception in thread "main" java.lang.NoSuchFieldError: web, How can I access that field ?

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  • How can I prevent PermGen space errors in Netbeans?

    - by DR
    Every 15-30 minutes Netbeans shows a "java.lang.OutOfMemoryError: PermGen space". From what I learned from Google this seems to be related to classloader leaks or memory leaks in general. Unfortunatly all suggestions I found were related to application servers and I have no idea to adapted them to Netbeans. (I'm not even sure it's the same problem) Is it a problem in my application? How can I find the source?

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  • Wanted: a very simple java RegExp API

    - by itsadok
    I'm tired of writing Pattern p = Pattern.compile(... Matcher m = p.matcher(str); if (m.find()) { ... Over and over again in my code. I was going to write a helper class to make it neater, but I then I wondered: is there a library that tries to provide a simpler facade for Regular Expressions in Java? I'm thinking something in the style of commons-lang and Guava.

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  • Deploy web service on Tomcat with OpenEJB

    - by kostya
    Hi, I need to deploy web service on Tomcat with installed OpenEJB. I compiled simple Hello service that just prints "Hello" with JAX-WS and tried to deploy on tomcat, but got errors while deployment : ERROR - Error deploying CXF webservice for servlet helloservice.endpoint.Hello java.lang.IllegalArgumentException: Could not find servlet helloservice in web application context /helloservice Please, help what is done wrong here. Is tomcat + openejb is sufficient for web service deployment? Thanks.

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  • "Invalid signature file" when attempting to run a .jar

    - by oskar
    My java program is packaged in a jar file and makes use of an external jar library, bouncy castle. My code compiles fine, but running the jar leads to the following error: Exception in thread "main" java.lang.SecurityException: Invalid signature file digest for Manifest main attributes I've googled for over an hour searching for an explanation and found very little of value. If anyone has seen this error before and could offer some help, I would be obliged.

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  • Help with httpcore NIO exception

    - by bruce dou
    I/O error: I/O dispatch worker terminated abnormally Exception in thread "Thread-1" java.lang.IllegalStateException: I/O reactor has been shut down at org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor.connect(DefaultConnectingIOReactor.java:190)

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  • How to use Enum in grails (not in domain class)

    - by bsreekanth
    Hello, i want to use Enum to represent some selection values. In /src/groovy folder, under the package com.test, I created the Enum. package com.test public enum TabSelectorEnum { A(1), B(2) private final int value public int value() {return value} } Now, I am trying to access it from controller like TabSelectorEnum.B.value() It throws an exception Caused by: org.codehaus.groovy.runtime.InvokerInvocationException: java.lang.NoClassDefFoundError: Could not initialize class com.test.TabSelectorEnum thanks in advance.

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  • How do I make a module in PLT Scheme?

    - by kunjaan
    I tried doing this: #lang scheme (module duck scheme/base (provide num-eggs quack) (define num-eggs 2) (define (quack n) (unless (zero? n) (printf "quack\n") (quack (sub1 n))))) But I get this error: module: illegal use (not at top-level) in: (module duck scheme/base (provide num-eggs quack) (define num-eggs 2) (define (quack n) (unless (zero? n) (printf "quack\n") (quack (sub1 n))))) what is the correct way?

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  • Cannot parse persistence unit from class path resource

    - by Grzegorz S
    so I have this problem in running my Spring WS app which implements JPA ( or should implement..) I have a problem with running a WS, it looks like my Spring context can't find file persistence.xml Which i am able to believe because i did not have generated META-INF folder in my template (which is Maven project template with archetype org.springframework.ws) I have created META-INF manually. Here is the HTTP 500: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'caChainDao' defined in file [E:\STS\vfabric-tc-server-developer-2.7.2.RELEASE\zz\wtpwebapps\FCAWSv4\WEB-INF\classes\pl\famoc\test\ws\db\dao\caChainDao.class]: Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in ServletContext resource [/WEB-INF/spring-ws-servlet.xml]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Cannot parse persistence unit from class path resource [persistence.xml] org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:527) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456) org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294) org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225) org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291) org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:609) org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918) org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:469) org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:631) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:588) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:645) org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:508) org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:449) org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:133) javax.servlet.GenericServlet.init(GenericServlet.java:160) org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99) org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1002) org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585) org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) java.lang.Thread.run(Thread.java:722) Here it is my persistence.xml <?xml version="1.0" encoding="UTF-8" ?> <persistence xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd" version="2.0" xmlns="http://java.sun.com/xml/ns/persistence"> <persistence-unit name="persistenceUnit" transaction-type="RESOURCE_LOCAL" /> </persistence> here it is where i am looking for it <property name="persistenceXmlLocation" value="classpath:persistence.xml" /> and here it is path to this xml in my classpath: src/main/webapp/META-INF/persistence.xml Could anyone give me a hint what am i missing?

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