classpath

How to place a file on classpath in Eclipse?

由 这一生的挚爱 提交于 2019-11-27 03:47:36
As this documentation says, "For example if you place this jndi.properties file on your classpath" , but how can I place the .properties file on my classpath if I am using Eclipse? One option is to place your properties file in the src/ directory of your project. This will copy it to the "classes" (along with your .class files) at build time. I often do this for web projects. Just to add. If you right-click on an eclipse project and select Properties , select the Java Build Path link on the left. Then select the Source Tab. You'll see a list of all the java source folders. You can even add

java class files in current directory?

由 给你一囗甜甜゛ 提交于 2019-11-27 03:42:15
问题 How "java" knows the class file to execute without setting the class path.ie.,Does it check in the current directory by default or we need to set the class path for current directory too. 回答1: It checks the current directory first. If the class is not found, it searches for that class in the class path. The default class path is the current directory. Setting the CLASSPATH variable or using the -classpath command-line option overrides that default, so if you want to include the current

Can I create a custom classpath on a per application basis in Tomcat

由 家住魔仙堡 提交于 2019-11-27 03:27:35
For some applications I use ZK, others Hibernate, other Apache Commons, etc. I don't want to deploy a 75MB war file, just because it uses lots of libraries. I don't want to add the libraries to my tomcat lib folder, or nor the classpath to it's configuration as I may have an old application using library x.1 and another application using library x.2 For this reason, it would be great to have something in the web.xml or context.xml where I say something like: <classpath>/usr/local/tomcat/custom-libs/zk-5.0.4</classpath> Note: The above is pseudo-code From Tomcat 7 there is no mention of not

Control the classpath ordering of jars in WEB-INF/lib on Tomcat 5?

由 纵饮孤独 提交于 2019-11-27 03:27:33
问题 I have a legacy web app running in Tomcat 5.0. This web app has two jars in WEB-INF/lib , let's say Foo-2.0.jar and Bar-2.0.jar . Bar-2.0.jar actually includes a Foo-1.0.jar inside of it. Bar is also a dead project, meaning no upgrading, no source, but still important to the application. The latest release of this application requires Foo-2.0.jar for some other stuff. Having both Foo-1.0.jar and Foo-2.0.jar in the classpath creates a conflict, specifically a ClassDefNotFound type of error,

Differences between “java -cp” and “java -jar”?

由 不打扰是莪最后的温柔 提交于 2019-11-27 02:46:52
What is the difference between running a Java application with java -cp CLASSPATH and java -jar JAR_FILE_PATH ? Is one of them preferred to the other for running a Java application? I mean which one of these ways is more expensive for JVM (according to their machine resources usage)? Which one will cause JVM to spawn more threads while trying to run the application? I prefer the first version to start a java application just because it has less pitfalls ("welcome to classpath hell"). The second one requires an executable jar file and the classpath for that application has to be defined inside

Java - Problem with the classpath on Eclipse

由 僤鯓⒐⒋嵵緔 提交于 2019-11-27 01:59:12
问题 I'm trying to recompile a project I've been working on and I keep getting an error message when trying to load a property file: The system cannot find the path specified. I guess this has to do with the classpath. But I've added the path to the file in Properties-> Java build path-> Libraries (external class). I also checked the .classpath file generated by eclipse, and the path is really there! Why isn't Eclipse looking at the right path? 回答1: There 2 different classpaths, build classpath

How can I save a file to the class path

由 a 夏天 提交于 2019-11-27 01:58:57
How can I save / load a file that is located where my classes are? I don't the physical path to that location before and I want dynamically to find that file. Thanks Edit: I want to load an XML file and write and read to it and i am not sure how to address it. In the general case you cannot. Resources loaded from a classloader can be anything: files in directories, files embedded in jar files or even downloaded over the network. BalusC Use ClassLoader#getResource() or getResourceAsStream() to obtain them as URL or InputStream from the classpath. ClassLoader classLoader = Thread.currentThread()

Executable JAR ignores its own Class-Path attribute

由 独自空忆成欢 提交于 2019-11-27 01:54:34
问题 I used the instructions found at Maven - how can I add an arbitrary classpath entry to a jar to add an arbitrary entry to the Class-Path attribute. Here is my MANIFEST.MF file: Manifest-Version: 1.0 Class-Path: jace-runtime.jar Main-Class: org.jace.examples.Test I defined org.jace.examples.Test as follows: public class Test { public static void main(String[] args) { System.out.println("classpath: " + System.getProperty("java.class.path")); System.out.println("PeerExample: " + Class.forName(

Creating a JAR file which contains other library files

由 混江龙づ霸主 提交于 2019-11-27 01:42:24
问题 I want to create one executable JAR file which contains other JAR libraries. But when I execute the JAR, it gives an error of class path problem. How do I solve the class-path problem? 回答1: I think you can try it like this; Here is a simple example for you question. First, we assume we have a project directory like D:\javademo . In this working directory we then create a main class HelloWorld.java and thtat contains our other JAR files, like commons-lang.jar . Now, we must archive our main

Generate manifest class-path from <classpath> in Ant

由 流过昼夜 提交于 2019-11-27 00:41:50
In the build file below, the jar target refers to the jar.class.path property for the manifest class-path. The compile target refers to project.class.path There is redundancy here, because jar.class.path and project.class.path are very similar. They must be both updated when libraries are added, which can be a pain if the list of libraries gets very long. Is there a better way? Any solution must be cross-platform and always use relative paths. Edit: It should generate the JAR classpath from a fileset and not the other way around, so I can use wildcards to e.g. include all JAR files in a
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