java.lang.UnsupportedClassVersionError: org/chromium/devtools/compiler/Runner : Unsupported major.minor version 52.0

JIRA | Raphael Kubo da Costa | 8 months ago
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    See https://build.crosswalk-project.org/try/builders/Content%20Shell%20Linux/builds/297/steps/presubmit/logs/stdio: {code} JSDoc validator output: Exception in thread "main" java.lang.UnsupportedClassVersionError: org/chromium/devtools/jsdoc/JsDocValidator : Unsupported major.minor version 52.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:803) 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) Modular compilation output: Exception in thread "main" java.lang.UnsupportedClassVersionError: org/chromium/devtools/compiler/Runner : Unsupported major.minor version 52.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:803) 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) {code} This likely means the jsdoc JAR file was built with OpenJDK 8 and thus fails to run with Ubuntu Trusty's OpenJDK 7. We need to investigate if that's the case and file a bug upstream.

    JIRA | 8 months ago | Raphael Kubo da Costa
    java.lang.UnsupportedClassVersionError: org/chromium/devtools/compiler/Runner : Unsupported major.minor version 52.0
  2. 0

    See https://build.crosswalk-project.org/try/builders/Content%20Shell%20Linux/builds/297/steps/presubmit/logs/stdio: {code} JSDoc validator output: Exception in thread "main" java.lang.UnsupportedClassVersionError: org/chromium/devtools/jsdoc/JsDocValidator : Unsupported major.minor version 52.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:803) 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) Modular compilation output: Exception in thread "main" java.lang.UnsupportedClassVersionError: org/chromium/devtools/compiler/Runner : Unsupported major.minor version 52.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:803) 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) {code} This likely means the jsdoc JAR file was built with OpenJDK 8 and thus fails to run with Ubuntu Trusty's OpenJDK 7. We need to investigate if that's the case and file a bug upstream.

    JIRA | 8 months ago | Raphael Kubo da Costa
    java.lang.UnsupportedClassVersionError: org/chromium/devtools/compiler/Runner : Unsupported major.minor version 52.0
  3. 0

    GitHub comment 32#241616684

    GitHub | 6 months ago | jjethwa
    java.lang.UnsupportedClassVersionError: org/rundeck/client/tool/App : Unsupported major.minor version 52.0
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    Java error when trying to join hub

    Google Groups | 5 months ago | Mark Matthews
    java.lang.UnsupportedClassVersionError: org/openqa/grid/selenium/GridLauncherV3 : Unsupported major.minor version 52.0
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    Unsupported major.minor version 52.0

    GitHub | 11 months ago | pagenbag
    java.lang.UnsupportedClassVersionError: org/elasticsearch/bootstrap/Elasticsearch : Unsupported major.minor version 52.0

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Root Cause Analysis

  1. java.lang.UnsupportedClassVersionError

    org/chromium/devtools/compiler/Runner : Unsupported major.minor version 52.0

    at java.lang.ClassLoader.defineClass1()
  2. Java RT
    LauncherHelper.checkAndLoadMain
    1. java.lang.ClassLoader.defineClass1(Native Method)
    2. java.lang.ClassLoader.defineClass(ClassLoader.java:803)
    3. java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
    4. java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
    5. java.net.URLClassLoader.access$100(URLClassLoader.java:71)
    6. java.net.URLClassLoader$1.run(URLClassLoader.java:361)
    7. java.net.URLClassLoader$1.run(URLClassLoader.java:355)
    8. java.security.AccessController.doPrivileged(Native Method)
    9. java.net.URLClassLoader.findClass(URLClassLoader.java:354)
    10. java.lang.ClassLoader.loadClass(ClassLoader.java:425)
    11. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
    12. java.lang.ClassLoader.loadClass(ClassLoader.java:358)
    13. sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482)
    13 frames