java - MissingResourceException:找不到基本名称资源的捆绑包。controls.controls_res,语言环境
问题描述
我不明白问题是什么,为什么他发誓却找不到locale en
。boundle
路径或名称有问题吗?
legacy
15年前写的项目,以前在 Ant
,现在翻译成Gradle
,出现了这个错误。它建立在Ant
没有问题的基础上。
PS我在类中分别标记了错误所指的行。
错误:
java.lang.ExceptionInInitializerError
at org.opensourcephysics.controls.OSPLog.<init>(OSPLog.java:937)
at org.opensourcephysics.controls.OSPLog.getOSPLog(OSPLog.java:124)
at org.opensourcephysics.cabrillo.tracker.Tracker.loadPreferences(Tracker.java:1391)
at org.opensourcephysics.cabrillo.tracker.Tracker.<clinit>(Tracker.java:251)
Caused by: java.util.MissingResourceException: Can't find bundle for base name org.opensourcephysics.resources.controls.controls_res, locale en
Caused by: java.util.MissingResourceException: Can't find bundle for base name org.opensourcephysics.resources.controls.controls_res, locale en
at java.util.ResourceBundle.throwMissingResourceException(ResourceBundle.java:1581)
at java.util.ResourceBundle.getBundleImpl(ResourceBundle.java:1396)
at java.util.ResourceBundle.getBundle(ResourceBundle.java:854)
at org.opensourcephysics.controls.ControlsRes.<clinit>(ControlsRes.java:55)
... 4 more
Caused by: java.lang.NullPointerException
at java.util.Properties$LineReader.readLine(Properties.java:434)
at java.util.Properties.load0(Properties.java:353)
at java.util.Properties.load(Properties.java:341)
at java.util.PropertyResourceBundle.<init>(PropertyResourceBundle.java:138)
at org.opensourcephysics.resources.controls.controls_res.<init>(controls_res.java:32)
at org.opensourcephysics.resources.controls.controls_res.<init>(controls_res.java:23)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at java.lang.Class.newInstance(Class.java:442)
at java.util.ResourceBundle$Control.newBundle(ResourceBundle.java:2662)
Caused by: java.lang.NullPointerException
at java.util.ResourceBundle.loadBundle(ResourceBundle.java:1518)
at java.util.ResourceBundle.findBundle(ResourceBundle.java:1482)
at java.util.ResourceBundle.findBundle(ResourceBundle.java:1436)
at java.util.ResourceBundle.getBundleImpl(ResourceBundle.java:1370)
... 6 more
Exception in thread "main"
Execution failed for task ':Tracker.main()'.
从日志中可以看出,所有错误都是由于找不到 * locale en * 造成的。
Класс controls_res :
public class controls_res extends PropertyResourceBundle {
// relative path to strings
static String res = "controls_res.properties"; //$NON-NLS-1$
/**
* Constructor tools
* @throws IOException
*/
public controls_res() throws IOException {
this(controls_res.class.getResourceAsStream(res)); 23 STRING!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
}
/**
* Constructor tools
* @param stream
* @throws IOException
*/
public controls_res(InputStream stream) throws IOException {
super(stream); // 32 STRING!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
}
}
类controls_res_en:
/**
* English resource loader for OSP controls class. Resource strings are obtained from superclass.
* @author Wolfgang Christian
*/
public class controls_res_en extends controls_res {
/**
* Constructor controls_res_en
* @throws IOException
*/
public controls_res_en() throws IOException {
super();
}
}
类ControlsRes:
public class ControlsRes {
// static constants for speed
public static String ANIMATION_NEW;
public static String ANIMATION_INIT;
public static String ANIMATION_STEP;
public static String ANIMATION_RESET;
public static String ANIMATION_START;
public static String ANIMATION_STOP;
public static String ANIMATION_RESET_TIP;
public static String ANIMATION_INIT_TIP;
public static String ANIMATION_START_TIP;
public static String ANIMATION_STOP_TIP;
public static String ANIMATION_NEW_TIP;
public static String ANIMATION_STEP_TIP;
public static String CALCULATION_CALC;
public static String CALCULATION_RESET;
public static String CALCULATION_CALC_TIP;
public static String CALCULATION_RESET_TIP;
public static String XML_NAME;
public static String XML_VALUE;
static final String BUNDLE_NAME = "org.opensourcephysics.resources.controls.controls_res"; //$NON-NLS-1$
static ResourceBundle res;
// private constructor because all methods are static
private ControlsRes() {}
static {
String language = Locale.getDefault().getLanguage();
Locale resourceLocale = Locale.ENGLISH;
for(Locale locale : OSPRuntime.getInstalledLocales()) {
if(locale.getLanguage().equals(language)) {
resourceLocale = locale;
break;
}
}
res = ResourceBundle.getBundle(BUNDLE_NAME, resourceLocale); // 55 String!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
setLocalStrings();
}
private static String getString(final ResourceBundle bundle, final String key) {
try {
return bundle.getString(key);
} catch(final MissingResourceException ex) {
return '|'+key+'|';
}
}
public static void setLocale(Locale locale) {
res = ResourceBundle.getBundle(BUNDLE_NAME, locale);
setLocalStrings();
}
/**
* Gets the localized value of a string. If no localized value is found, the
* key is returned surrounded by exclamation points.
*
* @param key the string to localize
* @return the localized string
*/
static public String getString(String key) {
try {
return res.getString(key);
} catch(MissingResourceException ex) {
return "!"+key+"!"; //$NON-NLS-1$ //$NON-NLS-2$
}
}
/**
* Gets the local strings. Static strings are used for speed to avoid having to call the resource object.
*/
private static void setLocalStrings() {
ANIMATION_NEW = getString(res, "ANIMATION_NEW"); //$NON-NLS-1$
ANIMATION_INIT = getString(res, "ANIMATION_INIT"); //$NON-NLS-1$
ANIMATION_STEP = getString(res, "ANIMATION_STEP"); //$NON-NLS-1$
ANIMATION_RESET = getString(res, "ANIMATION_RESET"); //$NON-NLS-1$
ANIMATION_START = getString(res, "ANIMATION_START"); //$NON-NLS-1$
ANIMATION_STOP = getString(res, "ANIMATION_STOP"); //$NON-NLS-1$
ANIMATION_RESET_TIP = getString(res, "ANIMATION_RESET_TIP"); //$NON-NLS-1$
ANIMATION_INIT_TIP = getString(res, "ANIMATION_INIT_TIP"); //$NON-NLS-1$
ANIMATION_START_TIP = getString(res, "ANIMATION_START_TIP"); //$NON-NLS-1$
ANIMATION_STOP_TIP = getString(res, "ANIMATION_STOP_TIP"); //$NON-NLS-1$
ANIMATION_NEW_TIP = getString(res, "ANIMATION_NEW_TIP"); //$NON-NLS-1$
ANIMATION_STEP_TIP = getString(res, "ANIMATION_STEP_TIP"); //$NON-NLS-1$
CALCULATION_CALC = getString(res, "CALCULATION_CALC"); //$NON-NLS-1$
CALCULATION_RESET = getString(res, "CALCULATION_RESET"); //$NON-NLS-1$
CALCULATION_CALC_TIP = getString(res, "CALCULATION_CALC_TIP"); //$NON-NLS-1$
CALCULATION_RESET_TIP = getString(res, "CALCULATION_RESET_TIP"); //$NON-NLS-1$
XML_NAME = getString(res, "XML_NAME"); //$NON-NLS-1$
XML_VALUE = getString(res, "XML_VALUE"); //$NON-NLS-1$
}
}
解决方案
Gradle 在文件夹中时不会复制属性文件src/main/java
。你有两个选择。
1. 选项:将以下脚本添加到build.gradle
. 它将在 java 编译后运行并将所有属性文件复制到构建目录中。选择此选项以避免更改文件位置。
compileJava.doLast {
copy {
from "src/main/java"
include "**/*.properties"
into "$buildDir/classes/java/main"
}
}
Chiriki 的回答建议(我也同意)processResources
任务独立运行,尽管没有更改任何 Java 代码。compileJava.doLast
只运行需要编译阶段的java代码,稳定性有差距。因此,为第一个选项选择下面的脚本。
processResources {
from(sourceSets.main.java.srcDirs) {
include '**/*.properties'
}
}
2. 选项:将属性文件移动到资源文件夹src/main/resources
中。选择此选项以获得最佳布局结构。非编译文件应位于资源文件夹中。
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