I downloaded eclipse from official site and they mentioned that it is supported by Java 8 but when I try to run it I get return code = 13 error. So should i uninstall Java 8 and install Java 1.6.
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1Why would you install 1.6? It should work absolutely fine with Java 8 - that's what I've got here. Does it not start at all? Do you get a logo or anything? Have you specified anything in eclipse.ini? What operating system are you using? Without any more information, it's very hard to help you. – Jon Skeet Jan 03 '15 at 18:28
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@HovercraftFullOfEels: I see no indication that the OP has got as far as that - from what is written, it sounds like Eclipse itself isn't starting. – Jon Skeet Jan 03 '15 at 18:29
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@JonSkeet: Thanks for correcting me. I mis-read the question. – Hovercraft Full Of Eels Jan 03 '15 at 18:29
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add to that the version of Eclipse you're using? Some work with java8 and some earlier ones not. Also Java 1.6 is EOL IIRC – Neil Stockton Jan 03 '15 at 18:31
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1I think it may that the bits don't match. 64 bit IDE with 32 bit JDK, or vice versa. I always get the 2 mixed up when I do a fresh install of the OS. 1.8 works great for me on Eclipse Luna, and Luna has the syntax support for it as well – Alex Jan 03 '15 at 18:32
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yes eclipse give me error 13...saying that it needs java 1.6 when I checked my command prompt using "java -version" I get Java 1.8...I have downloaded "eclipse-jee-luna-SR1-win32-x86_64" from eclipse and "jdk-8u20-windows-x64" from Java – Losser Bad Jan 03 '15 at 18:32
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Well, I don't think that is says it needs Java 1.6. More likely it says that it requires ***at least*** Java 1.6. – Tom Jan 03 '15 at 18:37
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You should be getting error window like [this](http://stackoverflow.com/questions/4945178/cannot-run-eclipse-jvm-terminated-exit-code-13). Please attach its full contents. – Piotr Praszmo Jan 03 '15 at 18:37
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I am reinstalling Java again...I will also edit the ini...lets see what happens.. – Losser Bad Jan 03 '15 at 18:43
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re installing worked for me – Losser Bad Jan 03 '15 at 18:44
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I run Eclipse on a Mac, and I had that problem the first time I downloaded it. I uninstalled Eclipse, and the Java version I was running. I then reinstalled first the Java 8 SE and JDK, THEN I ran downloaded the latest version of Eclipse. That seemed to work for me.

Jenice Jinx Edmonds
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I am pretty sure it is not necessary to download eclipse Luna if it is already installed. (Also eclipse Kepler had a patch to support Java 8.) – Gábor Bakos Jan 03 '15 at 18:43
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