Java project in Eclipse The type java lang Object cannot be resolved It is indirectly referenced from required class files

Question

I am getting the following error after importing a project in Eclipse      The type java lang Object cannot be resolved  It is indirectly referenced from required  class files   However  I have set the path as C  Program Files Java jdk1 6 0 41 in Eclipse Kepler  through Window    Preferences    Java    Installed JREs

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I got this error because I have installed  Eclipse IDE for Enterprise Java Developers   I uninstalled this and installed  Eclipse IDE for Java Developers   Problem solved for me

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What solved my problem was to  1  Install the jdk under directory with no spaces   C  Java   Instead of   C  Program Files Java   This is a known issue in Windows  I fixed JAVA HOME as well  2  I java 7 and java 8 on my laptop  So I defined the jvm using eclipse ini  This is not a mandatory step if you don t have -vm entry in your eclipse ini  I updated   C  Java jdk1 7 0 79 jre bin javaw exe   Instead of   C  Java jdk1 7 0 79 bin javaw exe   Good luck

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Have you installed a different version JRE after   while using previous version of JRE in Eclipse    if Not than     Right click on your project -  Build Path -  Configure Build Path Go to  Libraries  tab Add Library -  JRE System Library -  Next -  Workspace default JRE  or you can Choose Alternate JRE form your System  -  Finish   if Yes than     Right click on your project -  Build Path -  Configure Build Path Go to  Libraries  tab Remove Previous Version Add Library -  JRE System Library -  Next -  Workspace default JRE  or you can Choose Alternate JRE from your System  -  Finish

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I was facing this issue with play-java application on eclipse after adding a controller  I removed and reinstalled JRE through build path and then removed and imported my project which solved this issue automatically   Thanks gyro

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Another problem could be that the Android Project Build Target is not set      Right-click the project Choose Properties Click Android Tick the appropriate Project Build Target Apply   OK

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No amount of cleaning  closing reopening the project amp IDE  removing adding the JRE in build path worked for me   The solution I found was to remove the project from Eclipse  not from disk   remove the project s Eclipse files from the disk  and import into Eclipse again  That worked   It is even faster if you are using Maven    Close Eclipse  no need to remove the project  Run mvn clean eclipse clean eclipse eclipse Open Eclipse  Your project is still present and the problem should be gone

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Right click on project  select Maven -  Update project  That should solve the issue

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The following steps could help    Right-click on project    Properties    Java Build Path Select Libraries tab Find the JRE System Library and remove it Click Add Library    button at right side    Add the JRE System Library  Workspace default JRE

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Right click on project -- Show in Navigator  In navigator view you can see  classpath file  do delete this file and build the project  This worked for me  PS  If you have integrated you eclipse project with some version control like perfoce svn   then unlinking the project before you delete the  classpath will be helpful

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In my case it was a big modular project and the  red X  was showing only in the parent project  I went to the parent project      Properties -  Built Path   a removed the JRE Library there  just that  no JRE Library on the parent project anymore

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However I have set the path as C  Program Files Java jdk1 6 0 41 from eclipse Kepler toolbar- gt windows- gt preferences- gt java- gt installed jre  If you have already added JRE and still showing error  try follow right click on your project project- gt build path- gt  configure build path - gt  java build path - gt  libraries tab - gt  select JRE system library and click edit button - gt  If alternative JRE is selected choose workspace default JRE  this is how my error gone

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Happend to me after I ve installed some updates in eclipse but forgot to restart afterwards  So maybe restarting eclipse might help

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None of these solutions worked for me  In my case the problem was that I had some Java code producing  java files and I had accidentally created a file called Class java  content doesn t seem to matter   Removing the file fixed the problem

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None of the other answers worked for me  But doing this did    Right click the project in the package explorer  Source   Clean up     Next   Finish   When I did this Eclipse added an import into one of my classes  I think this occurred because I saved my project with a missing import  probably rushing to get home after work

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This is an annoying Eclipse Bug which seems to bite now and then  See http   dev-answers blogspot de 2009 06 eclipse-build-errors-javalangobject html for a possible solution  otherwise try the following   Close the project and reopen it   Clean the project  It will rebuild the buildpath hence reconfiguring with the JDK libraries  OR  Delete and Re-import the project and if necessary do the above steps again    The better cure is to try NetBeans instead of Eclipse  -

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I had the similar problem  It was a maven project with the following snippet of pom xml   lt build gt       lt plugins gt           lt plugin gt               lt groupId gt org apache maven plugins lt  groupId gt               lt artifactId gt maven-compiler-plugin lt  artifactId gt               lt version gt 3 8 0 lt  version gt               lt configuration gt                   lt release gt 9 lt  release gt               lt  configuration gt           lt  plugin gt           lt  plugins gt       lt  build gt   I had to change the following   lt build gt       lt plugins gt           lt plugin gt               lt groupId gt org apache maven plugins lt  groupId gt               lt artifactId gt maven-compiler-plugin lt  artifactId gt               lt version gt 3 8 0 lt  version gt               lt configuration gt                   lt release gt 11 lt  release gt               lt  configuration gt           lt  plugin gt           lt  plugins gt       lt  build gt   If you have already installed JDK 11 and working with java 9 or java 10 as maven compiler  eclipse can not detect  Hence change the release to 11 or the actual installed version of JDK

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However trivial this might be  check your Java installation  For me  rt jar was missing   I found this after fiddling for half a day with Eclipse settings and getting nowhere  Desperate  I finally decided to try compiling the project from the command line  I wasn t expecting to see anything wrong since I thought it s an Eclipse issue but to my astonishment I saw this   Error occurred during initialization of VM java lang NoClassDefFoundError  java lang Object   I don t know what happened to my Java installation and where did rt jar go  Anyway this comes as a reminder to go through the fail checklist and tick all the boxes no matter how unbelievable they are  It would have saved me a lot of time

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This happened to me when I imported a Java 1 8 project from Eclipse Luna into Eclipse Kepler    Right click on project   Build path   configure build path    Select the Libraries tab  you should see the Java 1 8 jre with an error Select the java 1 8 jre and click the Remove button Add Library      JRE System Library   Next   workspace default   Finish Click OK to close the properties window Go to the project menu   Clean      OK   Et voil    that worked for me

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Object class is the base class for all the classes in java  if you are missing this it means you don t have the jdk libs in your buildpath  I don t know much about Kepler but you need to make sure it points to a correct jdk for compilation and a correct jre for running your java apps      However I have set the path as C  Program Files Java jdk1 6 0 41 from   eclipse Kepler toolbar- windows- preferences- java- installed jre   You are trying to point jdk instead of jre in your preferences  toolbar- windows- preferences- java- installed jre should point to a jre and not jdk

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This seems to be an Eclipse bug  though restarting Eclipse worked great for me  hope this helps somebody else too

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Here is how I solved it  In Java-ADT  Windows - Preference - Java - Installed JREs Just add another JRE  pointing to the  jre  folder under your JDK folder   jre is included in the jdk   Make sure you chose the new jre

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While we are working with tomcat 6 and jdk 1 8 versions  some of the features will not work and this error you are getting is one  you need to change the jdk version to stable version preferable jdk 1 6 or jdk 1 8 65  in eclipse to resolve this error   in eclipse       step 1    properties -  java build path -  jre system library remove       step 2    add -  jre system library  -  alternate jre -  installed jre                -  add -  Standard VM -   in jre home  place jdk path  -  finish  now clean and check the project

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I had same problem in eclipse windows that I couldn t added dependant  class files from the JNI  In order resolve the same  I ported all the code to NetBeans IDE   Can not add all the classes files from the JNI JNA folder in Eclipse  JAVA  Windows 7

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It s working for me after unchecking  User  --releae option  in eclipse Java-compiler  In eclipse step 1  properties -  java Complier -  uchecking  User  --releae option  option -  finish  Java version 13 0 1 Eclipse version   Eclipse IDE for Enterprise Java Developers

[java] Java project in Eclipse: The type java.lang.Object cannot be resolved. It is indirectly referenced from required .class files

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