Unsupported major.minor version 52.0 in elasticsearch 5.5.3

Question

C:\Program Files\Elastic\Elasticsearch\bin>.\elasticsearch.exe java.lang.UnsupportedClassVersionError: org/elasticsearch/bootstrap/Elasticsearch : Unsupported major.minor version 52.0

    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
    at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
    at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482)

Exception in thread "main"

C:\Users\User>java -version java version "1.8.0_201" Java(TM) SE Runtime Environment (build 1.8.0_201-b09) Java HotSpot(TM) 64-Bit Server VM (build 25.201-b09, mixed mode) — Ramesh Kumar, Apr 03 '19 at 03:50

score 0 · Answer 1 · answered Apr 03 '19 at 05:09

OP faced this issue as he was using multiple JDK, and one which was used wasn't compatible with ES.

Read more about this error here How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version

Once, he used the correct JDK, which was compatible with elasticsearch, he was able to resolve the error.

Unsupported major.minor version 52.0 in elasticsearch 5.5.3

1 Answers1