classpath

问题 I need to add classpath in NetBeans . I'm reading book "Thinking in Java 4th Edition" . From doc: "In the Projects window, right-click the project node and choose Properties. Click Libraries in the left panel of the Project Properties dialog box. Adding library path in the right panel." I did that, but when I wrote : import static net.mindview.util.print.* I see next: package net does not exist Help. Why package does not exist? 回答1: I recently added a classpath for Java mysql-connector in

问题 I need to add classpath in NetBeans . I'm reading book "Thinking in Java 4th Edition" . From doc: "In the Projects window, right-click the project node and choose Properties. Click Libraries in the left panel of the Project Properties dialog box. Adding library path in the right panel." I did that, but when I wrote : import static net.mindview.util.print.* I see next: package net does not exist Help. Why package does not exist? 回答1: I recently added a classpath for Java mysql-connector in

问题 I got a Java product which is used by many clients. The product gets added as a jar into the client's (say for example XYZ company who wants to use his product for their needs) code base and works independently. Its a stand alone product and all the client projects depends (maven dependency) on this one product (which again is a couple of java projects bundled as a jar rolled out with a license) Now i am in a situation to make the engine use a class outside of it's class path. It's a client

问题 Is it by spec that, given a MyClass.java file containing package com.mycorp.foo; public class MyClass { public static void main (String[] args) { System.out.println("Hello, world!"); } } in the following path (note the dot in the folder name): ./com/mycorp.foo/MyClass.java the following works fine: $ javac com/mycorp.foo/MyClass.java producing ./com/mycorp.foo/MyClass.class while this doesn't work: $ java com.mycorp.foo.MyClass Exception in thread "main" java.lang.NoClassDefFoundError: com

问题 We are using Spark-Shell REPL Mode to test various use-cases and connecting to multiple sources/sinks We need to add custom drivers/jars in spark-defaults.conf file, I have tried to add multiple jars separated by comma like spark.driver.extraClassPath = /home/sandeep/mysql-connector-java-5.1.36.jar spark.executor.extraClassPath = /home/sandeep/mysql-connector-java-5.1.36.jar But its not working, Can anyone please provide details for correct syntax 回答1: As an example in addition to Prateek's

问题 So I am probably just stupid but I am unable to get MaryTTS (which I just ship with my jar) to load a voice jar file/include it in my own jar and then load it automatically. How can I do this with IntelliJ properly? I have tried extracting the voice into my jar, adding it as a jar file, creating a lib/voices folder inside my jar file's root folder etc. and I can't get it to work. My code looks like this: LocalMaryInterface marytts = new LocalMaryInterface(); System.out.println("Voices: ");

问题 java.lang.ClassNotFoundException when Using CronTrigger and MySQL to do scheduler in Java I am currently developing a project that require scheduler to download data from MySQL database from a server and put it into a text file stored in a fixed directory. I am using CronTrigger and scheduler to accomplish this task and my project will be reside in Tomcat version 6.0/webapps directory. However, i encountered this problem when i run my program. Jul 5, 2013 3:10:00 PM org.quartz.impl

问题 I am trying to create an application that can compile a provided .java file during runtime. I understand that there is a programmatical compiler available within the tools.jar of the JDK. However, I cannot guarantee that the user of the application has JDK. I have attempted to package tools.jar within the application and reference it as a library. This seems to work within the Eclipse IDE when I have tools.jar added into the Bootstrap Entries of the classpath. When exporting the application

问题 I am having more than 25 jar files how to add all of them in a classpath? 回答1: Separate them with a colon / semicolon ( : / ; ) on *nix / win But it would be way easier to use an IDE (Eclipse, NetBeans) to handle the classpath for you. 回答2: If all the jar files are in the same folder, as of jdk6, Java supports classpath wildcards. http://download.oracle.com/javase/6/docs/technotes/tools/windows/classpath.html So you can use something like, /path/to/jar/* Also consider having a separate

问题 VisualVM OQL queries can't query for interfaces because current heap dump format doesn't preserve this info. To workaround this issue it is possible to find classes that implements interface and further perform heap dump analysis. I have an application managed by Maven. During build Maven know full application CLASSPATH . Is it possible to query via mvn command which classes in which package implements selected interface? Or even more - to find classes and packages in application build