[英]Can't retrieve properties file in maven resources
public class LanguageUtil {
public static Properties properties = new Properties();
private void loadLanguageConfig(String filename) {
try {
String resourceName = "lang\\" + filename;
ClassLoader loader = Thread.currentThread().getContextClassLoader();
try(InputStream resourceStream = loader.getResourceAsStream(resourceName)) {
properties.load(resourceStream);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
错误:
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at <package>.testing.Main.main(Main.java:26)
Caused by: java.lang.NullPointerException
at java.util.Properties$LineReader.readLine(Unknown Source)
at java.util.Properties.load0(Unknown Source)
at java.util.Properties.load(Unknown Source)
at <package>.LanguageUtil.loadLanguageConfig(LanguageUtil.java:19)
... 5 more
第19行是“ properties.load(resourceStream);”。
我正在尝试从maven创建的资源文件夹中的“ lang”文件夹中检索文件。 构建jar时,我打开jar并找到lang文件夹以及lang文件夹中的文件。
编辑:谢谢https://stackoverflow.com/users/679824/krishnan-mahadevan的帮助! 将文件夹路径“ lang \\”更改为“ lang /”可解决此问题。
通过将“ lang \\”重命名为“ lang /”来解决
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