Error occurred during initialization of VM java lang NoClassDefFoundError java lang Object

Question

I m trying to install Java to use Eclipse  I followed all instructions to install Java and Eclipse  but my Eclipse is not starting due to some bad configuration I guess  I can t figure out why it s not working for me   Eclipse Installation    Extracted Eclipse at C  eclipse Created a shortcut to my desktop having target C  eclipse eclipse exe   When I try to run Eclipse with this shortcut  I see following Eclipse splash screen for a second and it disappears  Eclipse does not start at all     JAVA Installation    Installed JDK at C  Program Files Java jdk1 7 0 10 Installed JRE at C  Program Files Java jre7   Environment Variables Configuration   JAVA HOME   C  Program Files Java jdk1 7 0 10 PATH   C  Program Files Java jdk1 7 0 10 bin    I tested my Java installation using the console and figured out this issue but I don t know how to fix it  and I guess this is causing Eclipse not to start   Problem

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I had the same error in my case was when I needed to update jdk 7 to jdk 8  and my bad was just I installed jdk8 and I never installed jre8  only that  the error was solved immediately when I installed jre8

User · Answer

Go to Eclipse folder  locate eclipse ini file  add following entry  before -vmargs if present    -vm C  Program Files Java jdk1 7 0 10 bin javaw exe   Save file and execute eclipse exe

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sometime you missed some file like I missed my one file rt java so better to check yours            C  Program Files Java jdk1 8 0 112 jre lib

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Check that downloaded eclipse JDK JRE is compatible with your processor OS architecture that is are they 32bit or 64bit

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I ve observed this with STS and Eclipse and running java from CMD too on Windows 7 8 10 and following was my simple solution   Actually  when I installed JDK 8 and STS Eclipse it created one directory i e  C  ProgramData Oracle Java javapath with the following files    C  ProgramData Oracle Java javapath java exe C  ProgramData Oracle Java javapath javaw exe C  ProgramData Oracle Java javapath javaws exe   Along with that  it appended Path Environment variable of System with this location C  ProgramData Oracle Java javapath  I ve just removed above entry from Path Environment variable of System and added the location of the actual JDK instead i e  C  Program Files Java jdk1 8 0 131 bin     Now that is not necessary to add that -vm option in eclipse ini or   SpringToolSuite4 ini either

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Not able to run Appium     message       A new session could not be created   Original error     java -version    failed  I used Jdk 1 8 and JRE 1 8  Classpath is also set properly but I observed that Java command gives Error to initialization of VM  java lang NoClassDefFoundError  java lang Object   Solution  Uninstalled JRE and JDK completely  Installed JRE 1 8 then Installed JDK 1 8  Set Classpath check Java command works or not and its working  also able to execute the Appium program thru Eclipse Kepler Service Release 2 with JDK1 8 support

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I just spent about 1 hour to figure out possible solution for the same error   So what I did under MS WIndows 7 is following   Uninstall all Java packages of all versions  Download last packages  Java SE or JRE  for your 32 or 64 Windows and install it  First install JRE and second is Java SE       Open text editor and paste this code   public class Hello         public static void main String   args          System out println  test              Save it like Hello java Go to Console and compile it like    javac Hello java   Execute the code like   java Hello    Should be no error

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I had the same issue on Windows 7 and I had to install both JDK and JRE and it s a success

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I faced the same problem Eclipse splash screen for a second and it disappears Then i noticed due to auto update of java there are two java version installed in my system  when i uninstalled one eclipse started working   Thanks you

User · Answer

Try placing the desired java directory in PATH before  not needed java directories in your PATH

User · Answer

please try to execute java from      C  Program Files Java jdk1 7 0 10 bin   i e from the location where java is installed   If it is successful  it means that the error lies somewhere in the classpath   Also  this guy seems to have had the same problem as yours  check it out

[windows] Error occurred during initialization of VM (java/lang/NoClassDefFoundError: java/lang/Object)

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