java.lang.UnsupportedClassVersionError: org/datanucleus/exceptions/ClassNotResolvedException : Unsupported major.minor version 52.0

Google Groups | Srinivas Gs | 5 months ago
  1. 0

    UnsupportedClassVersionError: org/datanucleus/exceptions/ClassNotResolvedException : Unsupported major.minor version 52.0

    Google Groups | 5 months ago | Srinivas Gs
    java.lang.UnsupportedClassVersionError: org/datanucleus/exceptions/ClassNotResolvedException : Unsupported major.minor version 52.0
  2. 0

    Google Cloud Endpoints : java.io.IOException: Failed to retrieve API configs with status: 500

    Stack Overflow | 2 years ago | Timeless
    java.lang.UnsupportedClassVersionError: sg/giraffe/sgp3math/service/QuestionService : Unsupported major.minor version 52.0
  3. 0

    Google Cloud Endpoints : java.io.IOException: Failed to retrieve API configs with status: 500

    tagwith.com | 12 months ago
    java.lang.UnsupportedClassVersionError: sg/giraffe/sgp3math/service/QuestionService : Unsupported major.minor version 52.0
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  5. 0

    unable to run web application eclipse using google app engine

    Stack Overflow | 8 months ago | ramya
    java.lang.UnsupportedClassVersionError: com/appenginedatasaver/AppEngineDataSaverServlet : Unsupported major.minor version 52.0
  6. 0

    Compile Mustache using Java 7?

    GitHub | 2 years ago | melvinma
    java.lang.UnsupportedClassVersionError: com/github/mustachejava/MustacheFactory : Unsupported major.minor version 52.0

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Root Cause Analysis

  1. java.lang.UnsupportedClassVersionError

    org/datanucleus/exceptions/ClassNotResolvedException : Unsupported major.minor version 52.0

    at java.lang.ClassLoader.defineClass1()
  2. Java RT
    ClassLoader.loadClass
    1. java.lang.ClassLoader.defineClass1(Native Method)
    2. java.lang.ClassLoader.defineClass(ClassLoader.java:800)
    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)
    10 frames
  3. AppEngine Testing
    IsolatedAppClassLoader.loadClass
    1. com.google.appengine.tools.development.IsolatedAppClassLoader.loadClass(IsolatedAppClassLoader.java:199)
    1 frame
  4. Java RT
    Class.forName
    1. java.lang.ClassLoader.loadClass(ClassLoader.java:358)
    2. java.lang.Class.forName0(Native Method)
    3. java.lang.Class.forName(Class.java:274)
    3 frames
  5. JDO API
    JDOHelper$18.run
    1. javax.jdo.JDOHelper$18.run(JDOHelper.java:2018)
    2. javax.jdo.JDOHelper$18.run(JDOHelper.java:2016)
    2 frames
  6. Java RT
    AccessController.doPrivileged
    1. java.security.AccessController.doPrivileged(Native Method)
    1 frame
  7. JDO API
    JDOHelper.getPersistenceManagerFactory
    1. javax.jdo.JDOHelper.forName(JDOHelper.java:2015)
    2. javax.jdo.JDOHelper.invokeGetPersistenceManagerFactoryOnImplementation(JDOHelper.java:1162)
    3. javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:808)
    4. javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:1093)
    5. javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:919)
    5 frames
  8. com.seekvehic.util
    PMF.<clinit>
    1. com.seekvehic.util.PMF.<clinit>(PMF.java:8)
    1 frame
  9. Java RT
    Class.forName
    1. java.lang.Class.forName0(Native Method)
    2. java.lang.Class.forName(Class.java:191)
    2 frames
  10. com.google.appengine
    Runtime.checkRestricted
    1. com.google.appengine.tools.development.agent.runtime.RuntimeHelper.checkRestricted(RuntimeHelper.java:70)
    2. com.google.appengine.tools.development.agent.runtime.Runtime.checkRestricted(Runtime.java:65)
    2 frames
  11. com.seekvehic.apiservices
    RiderApi.createNewUser
    1. com.seekvehic.apiservices.RiderApi.createNewUser(RiderApi.java:38)
    1 frame
  12. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4. java.lang.reflect.Method.invoke(Method.java:606)
    4 frames
  13. com.google.appengine
    Runtime.invoke
    1. com.google.appengine.tools.development.agent.runtime.Runtime.invoke(Runtime.java:130)
    1 frame
  14. RESTEasy JAX-RS Implementation
    HttpServletDispatcher.service
    1. org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:137)
    2. org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:280)
    3. org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:234)
    4. org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:221)
    5. org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)
    6. org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179)
    7. org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220)
    8. org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
    9. org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
    9 frames
  15. JavaServlet
    HttpServlet.service
    1. javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    1 frame
  16. Jetty Server
    ServletHandler$CachedChain.doFilter
    1. org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
    2. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
    2 frames
  17. com.google.appengine
    DevSocketFilter.doFilter
    1. com.google.appengine.api.socket.dev.DevSocketFilter.doFilter(DevSocketFilter.java:74)
    1 frame
  18. Jetty Server
    ServletHandler$CachedChain.doFilter
    1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
    1 frame
  19. AppEngine Testing
    ResponseRewriterFilter.doFilter
    1. com.google.appengine.tools.development.ResponseRewriterFilter.doFilter(ResponseRewriterFilter.java:128)
    1 frame
  20. Jetty Server
    ServletHandler$CachedChain.doFilter
    1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
    1 frame
  21. AppEngine Testing
    HeaderVerificationFilter.doFilter
    1. com.google.appengine.tools.development.HeaderVerificationFilter.doFilter(HeaderVerificationFilter.java:34)
    1 frame
  22. Jetty Server
    ServletHandler$CachedChain.doFilter
    1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
    1 frame
  23. com.google.appengine
    ServeBlobFilter.doFilter
    1. com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:63)
    1 frame
  24. Jetty Server
    ServletHandler$CachedChain.doFilter
    1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
    1 frame
  25. Google AppEngine
    TransactionCleanupFilter.doFilter
    1. com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:50)
    1 frame
  26. Jetty Server
    ServletHandler$CachedChain.doFilter
    1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
    1 frame
  27. AppEngine Testing
    StaticFileFilter.doFilter
    1. com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:125)
    1 frame
  28. Jetty Server
    ServletHandler$CachedChain.doFilter
    1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
    1 frame
  29. AppEngine Testing
    DevAppServerModulesFilter.doFilter
    1. com.google.appengine.tools.development.DevAppServerModulesFilter.doDirectRequest(DevAppServerModulesFilter.java:366)
    2. com.google.appengine.tools.development.DevAppServerModulesFilter.doDirectModuleRequest(DevAppServerModulesFilter.java:349)
    3. com.google.appengine.tools.development.DevAppServerModulesFilter.doFilter(DevAppServerModulesFilter.java:116)
    3 frames
  30. Jetty Server
    WebAppContext.handle
    1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
    2. org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
    3. org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
    4. org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
    5. org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
    6. org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
    6 frames
  31. AppEngine Testing
    DevAppEngineWebAppContext.handle
    1. com.google.appengine.tools.development.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:98)
    1 frame
  32. Jetty Server
    HandlerWrapper.handle
    1. org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
    1 frame
  33. AppEngine Testing
    JettyContainerService$ApiProxyHandler.handle
    1. com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:512)
    1 frame
  34. Jetty Server
    SelectChannelEndPoint.run
    1. org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
    2. org.mortbay.jetty.Server.handle(Server.java:326)
    3. org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
    4. org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938)
    5. org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755)
    6. org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
    7. org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
    8. org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
    8 frames
  35. Jetty Util
    QueuedThreadPool$PoolThread.run
    1. org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
    1 frame