java util MissingResourceException Can t find bundle for base name property file name locale en US

Question

I am trying to create a utility class ReadPropertyUtil java for reading data from property file  While my class is located under a util directory   my skyscrapper properties file is placed in some other directory   But   when i try to access the properties using  ResourceBundle  1   i get exceptions  that bundle can t be loaded   Below is the code on how I am reading the properties and also an image which shows my directory structure   ReadPropertiesUtil java         Properties file name      private static final String FILENAME    skyscrapper           Resource bundle      private static ResourceBundle resourceBundle   ResourceBundle getBundle FILENAME           Method to read the property value          param key     return     public static String getProperty final String key        String str   null      if  resourceBundle    null            str   resourceBundle getString key               LOGGER debug  Value found      str     for key      key         else               LOGGER debug  Properties file was not loaded correctly                return str      Directory Structure    This line is giving the error private static ResourceBundle resourceBundle   ResourceBundle getBundle FILENAME    I am unable to understand why isn t this working and what is the solution  The src folder is already added in build path completely

User · Answer

I d like to share my experience of using Ant in building projects    properties files should be copied explicitly  This is because Ant will not compile   properties files into the build working directory by default  javac just ignore   properties   For example    lt target name  compile  depends  init  gt       lt javac destdir    dst   srcdir    src   debug  on  encoding  utf-8  includeantruntime  false  gt           lt include name  com example       gt           lt classpath refid  libs    gt       lt  javac gt       lt copy todir    dst   gt           lt fileset dir    src   includes       properties    gt       lt  copy gt   lt  target gt    lt target name  jars  depends  compile  gt       lt jar jarfile    app jar   basedir    dst   includes  com example           gt   lt  target gt    Please notice that  copy  section under the  compile  target  it will replicate   properties files into the build working directory  Without the  copy  section the jar file will not contain the properties files  then you may encounter the java util MissingResourceException

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With Eclipse and Windows   you have to copy 2 files - xxxPROJECTxxx properties - log4j properties here    C  Eclipse CONTENER TOMCAT apache-tomcat-7 lib

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just right click on the project file in eclipse and in build path select  Use as source folder    It worked for me

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I have just realized that my error was caused in the naming convention of my property file  When i used xxxx xxxx properties i got the error    java util MissingResourceException  Can t find bundle for base name  property file name   locale en US  Changing it to something like xxx-xxxx properties works like a charm  Hope i help someone

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ResourceBundle doesn t load files   You need to get the files into a resource first   How about just loading into a FileInputStream then a PropertyResourceBundle     FileInputStream fis   new FileInputStream  skyscrapper properties       resourceBundle   new PropertyResourceBundle fis     Or if you need the locale specific code  something like this should work  File file   new File  skyscrapper properties    URL   urls    file toURI   toURL     ClassLoader loader   new URLClassLoader urls   ResourceBundle rb   ResourceBundle getBundle  skyscrapper   Locale getDefault    loader

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The simplest code would be like  keep your properties files into resources folder  either in src main resource or in src test resource  Then use below code to read properties files   public class Utilities       static           rb1   ResourceBundle getBundle  fileNameWithoutExtension                      do not use  properties extension           public static String getConfigProperties String keyString            return rb1 getString keyString

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Try with the fully qualified name for the resource   private static final String FILENAME    resources skyscrapper

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Use the Resource like  ResourceBundle rb   ResourceBundle getBundle  com  sudeep  internationalization  MyApp  locale   or ResourceBundle rb   ResourceBundle getBundle  com sudeep internationalization MyApp  locale     Just give the qualified path    Its working for me

User · Answer

You should set property file name without  properties extension  it works correctly for me

[java] java.util.MissingResourceException: Can't find bundle for base name 'property_file name', locale en_US

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