java.lang.UnsupportedClassVersionError: org/apache/jsp/editor_005fform_jsp : Unsupported major.minor version 52.0 at com.google.appengine.runtime.Request.process-9f0a91645afbfd1f(Request.java)

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  1. 0

    AppEngine deployment error: java.lang.UnsupportedClassVersionError

    Stack Overflow | 6 months ago | Katedral Pillon
    java.lang.UnsupportedClassVersionError: org/apache/jsp/editor_005fform_jsp : Unsupported major.minor version 52.0 at com.google.appengine.runtime.Request.process-9f0a91645afbfd1f(Request.java)
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    how do I know if my code base has java 8 methods

    Stack Overflow | 6 months ago | Katedral Pillon
    java.lang.UnsupportedClassVersionError: org/apache/jsp/editor_005fform_jsp : Unsupported major.minor version 52.0 at com.google.appengine.runtime.Request.process-9f0a91645afbfd1f(Request.java)
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    AppEngine deployment error: java.lang.UnsupportedClassVersionError

    Google Groups | 6 months ago | Katedral Pillon via StackOverflow
    java.lang.UnsupportedClassVersionError: org/apache/jsp/editor_005fform_jsp : Unsupported major.minor version 52.0 at com.google.appengine.runtime.Request.process-9f0a91645afbfd1f(Request.java)
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  5. 0

    how do I know if my code base has java 8 methods

    Google Groups | 6 months ago | Katedral Pillon via StackOverflow
    java.lang.UnsupportedClassVersionError: org/apache/jsp/editor_005fform_jsp : Unsupported major.minor version 52.0 at com.google.appengine.runtime.Request.process-9f0a91645afbfd1f(Request.java)
  6. 0

    java.lang.UnsupportedClassVersionError: org/apache/jsp/snoop_jsp : Unsupported major.minor version 52.0

    Stack Overflow | 2 years ago | xybrek
    java.lang.UnsupportedClassVersionError: org/apache/jsp/snoop_jsp : Unsupported major.minor version 52.0 at com.google.appengine.runtime.Request.process-bb969e0d9d89941a(Request.java)

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Root Cause Analysis

  1. java.lang.UnsupportedClassVersionError

    org/apache/jsp/editor_005fform_jsp : Unsupported major.minor version 52.0 at com.google.appengine.runtime.Request.process-9f0a91645afbfd1f(Request.java)

    at java.lang.ClassLoader.defineClass1()
  2. Java RT
    ClassLoader.loadClass
    1. java.lang.ClassLoader.defineClass1(Native Method)
    2. java.lang.ClassLoader.defineClass(ClassLoader.java:820)
    3. java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
    4. java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
    5. sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
    6. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    7. java.lang.reflect.Method.invoke(Method.java:606)
    8. java.lang.ClassLoader.loadClass(ClassLoader.java:375)
    8 frames
  3. Jetty Util
    Loader.loadClass
    1. org.mortbay.util.Loader.loadClass(Loader.java:91)
    2. org.mortbay.util.Loader.loadClass(Loader.java:71)
    2 frames
  4. Jetty Server
    ServletHolder.doStart
    1. org.mortbay.jetty.servlet.Holder.doStart(Holder.java:73)
    2. org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:242)
    2 frames
  5. Jetty Util
    AbstractLifeCycle.start
    1. org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
    1 frame
  6. Jetty Server
    WebAppContext.doStart
    1. org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:685)
    2. org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
    3. org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250)
    4. org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
    5. org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467)
    5 frames
  7. Jetty Util
    AbstractLifeCycle.start
    1. org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
    1 frame
  8. Google tracing
    TraceContext$TraceContextRunnable.run
    1. com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:446)
    2. com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:453)
    3. com.google.tracing.CurrentContext.runInContext(CurrentContext.java:276)
    4. com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:312)
    5. com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:304)
    6. com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:450)
    6 frames
  9. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:745)
    1 frame