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I have just downloaded Eclipse and tried to run it, and it gave me this error message:

Error: opening registry key 'Software\JavaSoft\Java Runtime Environment

Error: could not find java.dll

Error: Could not find Java SE Runtime Environment.

After closing the errors, it sends me to this site: https://download.eclipse.org/oomph/jre/?vm=1_1_8_0_64_0&pn=Eclipse%20Installer&pu=http://wiki.eclipse.org/Eclipse_Installer&pi=http://download.eclipse.org/oomph/jre/128x128.png

I have already reinstalled the jdk multiple times. After following some other posts i saw, i have also made sure that %JAVA_HOME% was included in PATH (%JAVA_HOME% = C:\Program Files\Java\jdk-13.0.1)

to java -version i got:

java version "1.8.0_231"

Java(TM) SE Runtime Environment (build 1.8.0_231-b11)

Java HotSpot(TM) 64-Bit Server VM (build 25.231-b11, mixed mode)

Thank you in advance for the help!

Edit:
I had both jdk-13.0.1 and jre 1.8.0 installed
After reinstalling only jdk 13.0.1 (and uninstalling jre 1.8.0), java -version gave me:

java version "13.0.1" 2019-10-15

Java(TM) SE Runtime Environment (build 13.0.1+9)

Java HotSpot(TM) 64-Bit Server VM (build 13.0.1+9, mixed mode, sharing)

I'm using Windows 10 Pro
EclipseIDE 2019-12 64bit

Community
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Csalagovits Máté
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  • One thing I noticed is the JAVA_HOME path refers to JDK 13, while the "java -version" command points to 1.8. Specify the version of Windows and Eclipse you have used in this question. Also, make sure you restart the PC after installing Java. – Shankar Dec 26 '19 at 23:01
  • @ShankarPS Edited the question to adress your concerns – Csalagovits Máté Dec 26 '19 at 23:50

2 Answers2

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According to this answer maybe you messed up with your registry, make sure all java removed first and reinstall JRE. For me if I want to develop java apps, I would install JDK instead of JRE, after install pls check java & javac command exist

Artiko
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'Software\JavaSoft\Java Runtime Environment

Error: could not find java.dll

Error: Could not find Java SE Runtime Environment. After closing the errors, it sends me to this site: https://download.eclipse.org/oomph/jre/?vm=1_1_8_0_64_0&pn=Eclipse%20Installer&pu=http://wiki.eclipse.org/Eclipse_Installer&pi=http://download.eclipse.org/oomph/jre/128x128.png

I have already reinstalled the JDK multiple times. After following some other posts I saw, I have also made sure that %JAVA_HOME% was included in PATH (%JAVA_HOME% = C:\Program Files\Java\jdk-13.0.1)

to java -version I got:

java version "1.8.0_231"

Java(TM) SE Runtime Environment (build 1.8.0_231-b11)

Java HotSpot(TM) 64-Bit Server VM (build 25.231-b11, mixed mode) Thank you in advance for the help!

Edit: I had both jdk-13.0.1 and jre 1.8.0 installed After reinstalling only jdk 13.0.1 (and uninstalling jre 1.8.0), java -version gave me:

java version "13.0.1" 2019-10-15

Java(TM) SE Runtime Environment (build 13.0.1+9)

Java HotSpot(TM) 64-Bit Server VM (build 13.0.1+9, mixed mode, sharing) I'm using Windows 10 Pro EclipseIDE 2019-12 64bit share edit asked 1 hour ago

Csalagovits Máté 1●11 bronze badge edited 5 secs ago

One thing I noticed is the JAVA_HOME path refers to JDK 13, while the "java -version" command points to 1.8. Specify the version of Windows and Eclipse you have used in this question. Also, make sure you restart the PC after installing Java. – Shankar P S 52 mins ago @ShankarPS Edited the question to adress your concerns – Csalagovits Máté 2 mins ago

Jessica Rodriguez
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Phong Anh
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