Eclipse - Just uninstalled Java 1.7 (still have Java 1.6 on my machine), but now Eclipse won't recognize any java stuff

I'm extremely confused about how to set up Java on Eclipse. I don't get how classpath/system variables/etc all works. I set my Java compiler settings from 1.7 to 1.6 after I uninstalled 1.7 (I still have 1.6). But it's still not working. Any help?...

SWT Browser & Eclipse

On my Arch Linux, Eclipse with Google Window Builder/SWT application, I am getting Exception in thread "main" org.eclipse.swt.SWTError: No more handles [Unknown Mozilla path (MOZILLA_FIVE_HOME not set)] at org.eclipse.swt.SWT.error(SWT.java:4308) at org.eclipse.swt.browser.Mozilla.initMozi lla(Mozilla.java:1826) at org.eclipse.

Eclipse error on startup windows 7

Good day. I decided to learn Java. I installed JDK and i have downloaded eclipse-java-helios-SR1-win32 for my windows 7. But i can't launch eclipse. I always receive the message: Error: couldn't find Java SE Runtime Environment I tried to reinstall the JDK but installer gave me such message: Error 1723, There is a problem with this Window...

Why is Eclipse Juno 4.2 running "JPA Java Change Event Handler" processes?

I have just upgraded to Eclipse Juno 4.2. I have a completely clean new workspace, but have imported projects that have previously been used in Eclipse 3.7 and therefore have some Eclipse metadata in them. When moving to 4.2 I converted a project to use "Project Facets". The only Facet enabled is "Java". However, I regularly get "JPA Java...

"Provisioning agent not found" when closing Eclipse runtime

When closing the runtime of my Eclipse plugin I get following error message: !ENTRY org.eclipse.core.resources 4 2 2012-04-19 18:44:18.200 !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.core.resources". !STACK 1 org.eclipse.core.runtime.CoreException: Provisioning agent not found at org.eclipse.pde.internal.core...

very wierd! eclipse does not find java on my computer?

Hello I am very new and I have a problem that has been bothering me all day today. I have been working on a ROS (robotic OS) and I am using java for part of it. The java code itself works fine, but I just updated my java to the latest java and my whole entire eclipse can not find java... even programs like minecraft do not work. I did che...

how to build and run maven projects after importing into eclipse ide

I am learning building a java project in eclipse using Maven. I created a java project HelloWorld from “maven-archetype-quickstart” template in a folder D:/maven_projects . Then to convert the maven project to support Eclipse IDE, I navigated into the project folder and issued the command: mvn eclipse:eclipse and mvn package Then I impo...

Android SDK Content Loader failing with NullPointerException

I've just recently started getting an error any time I interact with the Android SDK and AVD Manager in Eclipse Helios I've tried reinstalling the Eclipse plugin and the Android SDK but to no avail. If I go to the "Installed packages" page and click refresh (or install or remove a package) I get a popup box saying that 'Android SDK Conten...

Cannot run the project in Eclipse on Mac

Exception occurred executing command line. Cannot run program "/System/Library/Java/JavaVirtualMachine s/1.6.0.jdk/Contents/Home/bin/java" (in directory "/Users/zhangstudyro/Developer/Java/HiWo rld"): error=2, No such file or directory Hi, I'm new to mac. The report above is the problem details given by eclipse when I tried to run "HiWorld...

Need help with Eclipse Applet Viewer

I have an applet that I developed without eclipse using notepad for the .java file and .htm file. The applet runs fine from the command line using the JDK appletviewer. However, I have imported the .java and .htm into an Eclipse project. When I choose Run As > Java Applet the default Applet window that pops up is too small to show the...

Problem in using javascript file in Eclipse Indigo

I am adding a javascript file in my Eclipse Indigo web project. On the first line of javascript it is giving me following error: Internal validation error java.lang.NullPointerException at org.eclipse.wst.jsdt.core.infer.Inferred Type.resol veType(InferredType.java:309) at org.eclipse.wst.jsdt.internal.compiler.a st.LocalDe claration.resolv...

Android graphical layout eclipse

I've been trying to access by graphical layout on eclipse to view my xml and it's giving me this error: java.lang.NullPointerException at com.android.ide.eclipse.adt.internal.edi tors.layout.configuration.ConfigurationC omposite.updateThemes(ConfigurationCompo site.java:1491) at com.android.ide.eclipse.adt.internal.edi tors.layout.configura...

creating modified distribution of Eclipse

I need to create a modified distribution (package?) of Eclipse 4.2 for Java EE Developers . It's going to be distributed to the team with all required plugins (should be ready for development out-of-the-box). I'm trying to use Eclipse for RCP and RAP Developers to achieve this, but the documentation is mostly outdated and doesn't help muc...

Java 7 update 15 issue

Hi, today i updated java to the latest version and although it is detected on my laptop through the java test page, when i try to launch the java control panel or java.exe, command prompt opens with loads of code then closes quickly. I uninstalled then reinstalled yet same issue. Is this something to fret about or should i investigate fur...

Aspose Eclipse Plugin is Released: Manage Java Components & Code Samples

What’s new in this release? Aspose development team is happy to announce the release of Aspose Eclipse Plugin . This plugin is for those Java developers who don’t want to leave their Eclipse IDE to try out Aspose Java components. Using the Aspose Eclipse plugin you can download components and examples and easily explore powerful librarie...

Problem with Java: Could not create java virtual machine

Admittedly I am... Brand new to Java, and am working on learning the basics etc. But for now, I just want to get it working. I recently uninstalled Java 6 to replace it with Java 7. The installation seemed fine, everything looked in order. Except I tried running a Java based exe and I keep getting the error message "Could not create...

How to prevent eclipse from deploying test classes on Tomcat?

I have a Maven project, containing the typical folders src/main/java src/test/java and I am using Eclipse 3.7 with m2e 1.0.and Maven Integration for WTP 1.4.0 . Eclipse is used during development to deploy the application on an server (Tomcat or Glassfish), but it deploys the test classes from src/test/java folder too. I do not want the...

WorldWind - Runnable jar : no gluegen-rt in java.library.path

I'm working with WorldWind Java and Eclipse. I am trying to export a runnable jar from my project in Eclipse. The export goes well but when I try to run the jar I got this error : Exception in thread "main" java.lang.reflect.InvocationTargetExcept ion at sun.reflect.NativeMethodAccessorImpl.inv oke0(Native Method) at sun.reflect.NativeMe...

Eclipse boots too long after an update

Dear all, I have F17. I had Eclipse, then I decided to make yum update, after what there was a problem with workplaces in Eclipse so I decided to reinstall it. I did yum remove eclipse, then it removed only eclipse-pde, though a very big file, approximately 300 Mb. Then I did yum install eclipse and it installed maybe ten billion of Eclip...

Eclipse 3.8 -- what's the difference from 3.7?

Eclipse Indigo is 3.7, and Eclipse Juno is 4.2, but 3.8M1 has just been released. What's 3.8 and how is this different from 3.7? I'm eagerly awaiting Java 7 support and am confused whether I should use 3.8M1 or wait for 3.7.1...

Why does my .jar file raise exceptions even if my program runs without exceptions in Eclipse?

I am new to Java and learning how to export applications to .jar files. I made a simple Java application in Eclipse with a few classes based on the tutorial from this website. http://eclipsetutorial.sourceforge.net/t otalbeginner.html When I run my application via Run -> Run in Eclipse, my application runs without exceptions. However, whe...

Can't run my project in eclipse because java force closes.

I hope this is more worded to be on topic because me not having the ability to code because of a java issue is off topic apparently. When I try to run my project in eclipse. Eclipse just sais at the bottom with no stack trace. If I compile the jar file and run it with javaw it does nothing. If I run it with java it brings up the java(tm)...

Eclipse - Java heap space

Hei, Jeg har lastet ned og installert Eclipse All-in-One, slik at jeg kan bruke flere språk i tillegg til JAVA. Problemet jeg møter på er når jeg prøver å importere et prosjekt til Eclipse - en såkalt "phar"-fil. Feilmelding lyder: Unhandled event loop exception. Java heap space Etterfulgt av: Internal Error: An out of memory error has oc...

What do I miss to run Java on my Mac?

I have just installed Java (JDK) from java.com on my Mac, knowing now that I could have installed java from my Mac. After the installation I had to search Programs for java (java didn´t show with an icon) and found Java Virtual Machine. Starting JVM didn´t give me much, except from some web pages. In my search I have read about NetBeans a...

I can't create libgdx app on IntelliJIDEA from scratch. Project works on Eclipse

I have rewritten the message: I moved okay one Java SE Eclipse project for Windows to IntelliJ IDEA. (It uses swing and awt) Then I tryed to move libgdx project from Eclipse. It works okay in Eclipse. I tryed to move this project to IntelliJIDEA on the same machine. Compilation is okay there. But I have runtime error: ...D:\Program Files...

Starting Jetty 9

I cannot start jetty 9 (win 7 x64): java -jar start.jar 2013-02-26 12:47:49.521:WARN:oejx.XmlConfiguration: main: Config error at | | java.lang.ClassNotFoundException: org .eclipse.jetty.util.thread.TimerSchedule r.TimerScheduler in file:/C:/Users/Quick sort/Desktop/jetty-distribution-9.0.0.RC 1/etc/jetty.xml java.lang.reflect.Invocation...

ProcessBuilder IO Exception

I try running a ProcessBuilder with "eclipse" as the command and it works fine for me. But when the same eclipse is renamed as eclipsetest and the ProcessBuilder is run with eclipsetest as the command, I get an IOException The code is :: ProcessBuilder pb = new ProcessBuilder("eclipsetest"); pb = pb.directory("/home/test/eclipse"); pb.sta...

Eclipse JBoss Plugin - Cannot start my Server a second time

I have a really strange problem. I can successfully start my Eclipse internal JBoss Server (7.0.2). I can access the website and everything is fine. But after restarting or shutting down and starting again I always receive the following error out of nowhere: Exception in thread "main" java.lang.NoClassDefFoundError: /Users/path/Coding/JBo...

Running Windows commandline from Java as an Administrator - Creating a .manifest file

I am running Windows 7 Pro and working on a Java application in Eclipse. I need Eclipse to send user-specified commands (such as 'chkdsk C:') to the command prompt and then output to the console in Eclipse whatever the command prompt would have printed. I have the sending commands working and the receiving text back. However, when I to ru...

compiling class files for Hadoop MapReduce

after having run the default wordcount example in Hadoop successfully, I created a new java file by copying the content of the wordcount example. I modified the code a little bit. Now I want to compile the new java file, create *.jar file. I do not have eclipse, as this seems to be a headache. So plain java code in vim, without any file s...

GWT Designer m_selectedModuleFile error

This is my first time working with GWT. I am following the tutorial at: http://code.google.com/webtoolkit/tools/ gwtdesigner/tutorials/stockwatcher.html I can't get beyond the creation of the GWT Java Project. When I click Finish I get: An error has occurred. See error log for more details. m_selectedModuleFile and when I look at the e...

ClassNotFoundException: org.dom4j.DocumentException

I am trying to debug (F11 on Eclipse) a java GUI application I inherited but while the application runs fine (minus a tiny fix I need to apply) outside of the Eclipse IDE, it produces the following exception when launched from Eclipse (either F11 or Ctrl+F11): Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: org/dom4...

How to enlarge eclipse java editor functionality using plugins?

Hope somebody could help me, giving a hint and way out. Right now I'm involved in a ambitious project trying to create mixed math and programming IDE. After a huge prestudy we decided to use eclipse as a base, and somehow add Mathematica,maple functionality. Generally speaking we want to make entering math expressions (a = sin(Pi)+10^2) i...

java eclipse debugging error

I have tried some of the existing solutions but it does not work. I have two files/classes First.java (in which main is defined) and Second.java where simple functions are defined. **First.java:** import java.util.*; public class First public static void main(String[] args) { Second s1 = new Second(); s1.Hello(); } When I debug the...

Java Eclipse apache poi

I am trying to read MS visio XML (.vdx file) by using Apache POI but I am getting the following exceptions. I am using eclipse java code. Exception in thread "main" java.lang.NoSuchMethodError: org.apache.poi.POIDocument.(Lorg/apache/ poi/poifs/filesystem/DirectoryNode;)V at org.apache.poi.hdgf.HDGFDiagram.(HDGFDia gram.java:73) at org.ap...

Android dev on Eclipse: what else can I do toget rid of "out of heap space"?

This is in a way continuation of thread. I am developing a different Android app and ran into the "out of heap" error again. My eclipse.ini looks like this: -startup plugins/org.eclipse.equinox.launcher_1.2 .0.v20110502.jar --launcher.library plugins/org.eclipse.equinox.launcher.win 32.win32.x86_1.1.100.v20110502 C:/Program Files/Java/jdk1...

Question about JAVA

Hi, I am interested in learning Java because of its cross platform compatibility. I am planing to develop a Lan-Based system and also some android apps later. My question is about this IDEs, Framework, APIs and SDK First I would like to know which is more powerful in terms of usage to develop a system and android apps. Oracle JDeveloper O...

JavaScript / HTML highlighting / debugging in Eclipse using PhoneGap

I am writing an app using PhoneGap for Android in Eclipse. Since the project is an Android project, it's in a Java perspective. For whatever reason, Eclipse won't highlight HTML and JavaScript for me while in an Android/Java project/perspective and switching to the JavaScript perspective doesn't highlight the code either. Without highl...

How can I start apache derby programmaticaly jar file?

I have a Java application, which uses Apache Derby. Using Eclipse Export option, I exported it as JAR file. When I am running Eclipse, and the server is connected to port 1527, the JAR executes correctly. However when eclipse is closed, (and the server is not connected to 1527) on executing jar, i get this error java.sql.SQLNonTransientCo...

Не устанавливается Eclipse

Появляется такой текст A Java Runtime Environment (JRE) or Java Development Kit (JDK) must be available in order to run Eclipse. No Java virtual machine was found after searching the following locations: ...\eclipse\jre in\javaw.exe javaw.exe in your current PATH Пробовал: Eclipse IDE for Java Developers Eclipse IDE for Java EE Developers...