我一直在尝试配置Java应用程序（特别是我的集成测试），但绝对没有成功。我最初有一个XMLConfiguration，我可以加载和使用没有问题。我的目录设置如下：
之前，我在资源目录中有一个文件myconfig.xml。我是这样装的：
private static XMLConfiguration configuration = null;
public static void configure() {
try {
configuration = new XMLConfiguration("myconfig.xml");
}
catch (ConfigurationException e) {
System.err.println(e);
}
}
现在我正在努力使用户可以通过在/ etc或/ home或其他任何地方编写配置文件来自行配置应用程序，因此我在同一位置创建了一个名为config-test.xml的新文件：
<?xml version="1.0" encoding="ISO-8859-1"?>
<configuration>
<!-- Attempt to load configuration provided on the system -->
<xml fileName="/etc/myconf/myconfig.xml" config-optional="true" />
<!-- Load default configuration from the classpath -->
<xml fileName="myconfig.xml" />
</configuration>
文件/etc/myconf/myconfig.xml不存在，但这是使其成为可选的重点。我尝试了一些不同的方法来加载我的配置，包括文档的工作方式：http://commons.apache.org/configuration/userguide/howto_configurationbuilder.html。我目前的情况如下：
private static CombinedConfiguration configuration = null;
public static void configure() {
try {
DefaultConfigurationBuilder builder =
new DefaultConfigurationBuilder("config-test.xml");
configuration = builder.getConfiguration(true);
System.err.println("Yay");
}
catch (ConfigurationException e) {
System.err.println("Herp");
}
catch (Exception e) {
System.err.println("Derp");
}
}
当我运行我的集成测试时，我看不到Yay，我看不到Herp，我看不到Derp。如果我在尝试加载内容之前放置println，则会打印，因此正在调用configure。我从公共配置获得的输出相当于：
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running TestSuite
13:36:57.752 [main] DEBUG o.a.c.c.ConfigurationUtils - ConfigurationUtils.locate(): base is null, name is config-test.xml
13:36:57.753 [main] DEBUG o.a.c.c.DefaultFileSystem - Could not locate file config-test.xml at null: no protocol: config-test.xml
13:36:57.756 [main] DEBUG o.a.c.c.ConfigurationUtils - Loading configuration from the context classpath (config-test.xml)
13:36:57.766 [main] DEBUG o.a.c.c.DefaultConfigurationBuilder - Creating configuration null with name null
13:36:57.795 [main] DEBUG o.a.c.c.ConfigurationUtils - ConfigurationUtils.locate(): base is null, name is config-test.xml
13:36:57.795 [main] DEBUG o.a.c.c.DefaultFileSystem - Could not locate file config-test.xml at null: no protocol: config-test.xml
13:36:57.796 [main] DEBUG o.a.c.c.ConfigurationUtils - Loading configuration from the context classpath (config-test.xml)
13:36:57.800 [main] DEBUG o.a.c.c.DefaultConfigurationBuilder - Creating configuration null with name null
Tests run: 56, Failures: 2, Errors: 0, Skipped: 16, Time elapsed: 2.589 sec <<< FAILURE!
Results :
Failed tests: initialize(mypackage.ImportTestIT): org/apache/commons/beanutils/PropertyUtils
initialize(mypackage.TransferTestIT): org/apache/commons/beanutils/PropertyUtils
Tests run: 56, Failures: 2, Errors: 0, Skipped: 16
这些初始化方法只是调用configure，然后尝试从加载的配置中获取数据。我一直在用这个工作几个小时，真的可以用另一双眼睛。有任何想法吗？有什么我可以改变的，我没有提到会影响这个吗？感谢。
编辑＃1（下午1:58）：确定beanutils在类路径上后，我现在得到一个以
开头的堆栈跟踪的残酷爆炸Running TestSuite
14:00:16.088 [main] DEBUG o.a.c.c.ConfigurationUtils - ConfigurationUtils.locate(): base is null, name is config-test.xml
14:00:16.089 [main] DEBUG o.a.c.c.DefaultFileSystem - Could not locate file config-test.xml at null: no protocol: config-test.xml
14:00:16.093 [main] DEBUG o.a.c.c.ConfigurationUtils - Loading configuration from the context classpath (config-test.xml)
14:00:16.103 [main] DEBUG o.a.c.c.DefaultConfigurationBuilder - Creating configuration null with name null
14:00:16.178 [main] DEBUG o.a.c.c.ConfigurationUtils - ConfigurationUtils.locate(): base is file:///home/pgarrity/projects/myproject/target/test-classes/config-test.xml, name is /etc/myconf/myproject/myconfig.xml
14:00:16.179 [main] DEBUG o.a.c.c.DefaultFileSystem - Could not locate file /etc/myconf/myproject/myconfig.xml at file:///home/pgarrity/projects/myproject/target/test-classes/config-test.xml: /etc/myconf/myproject/myconfig.xml (No such file or directory)
14:00:16.181 [main] DEBUG o.a.c.c.DefaultConfigurationBuilder - Load failed for optional configuration xml: Cannot locate configuration source /etc/myconf/myproject/myconfig.xml
14:00:16.185 [main] WARN o.a.c.c.DefaultConfigurationBuilder - Internal error
org.apache.commons.configuration.ConfigurationException: Cannot locate configuration source /etc/myconf/myproject/myconfig.xml
at org.apache.commons.configuration.AbstractFileConfiguration.load(AbstractFileConfiguration.java:259) ~[commons-configuration-1.8.jar:1.8]
at org.apache.commons.configuration.AbstractFileConfiguration.load(AbstractFileConfiguration.java:238) ~[commons-configuration-1.8.jar:1.8]
依此类推......但我现在确实看到了'耶'。 现在我没有得到的是它似乎没有寻找我的非可选配置源，或者假设它位于我从未告诉它的位置。
编辑＃2： 我仔细查看了我的输出，并埋没在公地的投诉中，我发现它似乎最终加载了正确的文件。我想我可能有工作吗？也许当我加载它时，我的属性路径会改变...我有一些东西要尝试。无论如何，我问过的问题已得到修复。谢谢你的帮助。
答案 0 :(得分：3)
您似乎在类路径上缺少commons-beanutils。确保罐子在那里。
答案 1 :(得分：1)
Pfft。 multi-page document讨论了如何加载配置文件。但他们是否忘记在绝对Windows路径中实现文件URL的检测，例如c：\ Users \ USER \ FOO \ bar.xml？ Commons 1.9将展示这条严谨的信息，
DEBUG DefaultFileSystem - Could not locate file C:\Users\USER\FOO\bar.xml at null: unknown protocol: c