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  1. Groovy
  2. GROOVY-6613

Running groovyConsole results in java.lang.UnsupportedClassVersionError

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    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.2.3
    • Component/s: Groovy Console
    • Labels:
      None

      Description

      I just did a fresh build with ./gradlew dist on master.

      When running ./bin/groovyConsole with JDK 6 from that build I get an java.lang.UnsupportedClassVersionError exception and groovyConsole won't startup:

      ./bin/groovyConsole
      java.lang.UnsupportedClassVersionError: org/codehaus/groovy/runtime/NioGroovyMethods : Unsupported major.minor version 51.0
      	at java.lang.ClassLoader.defineClass1(Native Method)
      	at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637)
      	at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
      	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
      	at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
      	at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
      	at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
      	at java.security.AccessController.doPrivileged(Native Method)
      	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
      	at org.codehaus.groovy.tools.RootLoader.oldFindClass(RootLoader.java:171)
      	at org.codehaus.groovy.tools.RootLoader.loadClass(RootLoader.java:143)
      	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
      	at org.codehaus.groovy.runtime.m12n.MetaInfExtensionModule.newModule(MetaInfExtensionModule.java:72)
      	at org.codehaus.groovy.runtime.m12n.StandardPropertiesModuleFactory.newModule(StandardPropertiesModuleFactory.java:48)
      	at org.codehaus.groovy.runtime.m12n.ExtensionModuleScanner.scanExtensionModuleFromProperties(ExtensionModuleScanner.java:77)
      	at org.codehaus.groovy.runtime.m12n.ExtensionModuleScanner.scanExtensionModuleFromMetaInf(ExtensionModuleScanner.java:72)
      	at org.codehaus.groovy.runtime.m12n.ExtensionModuleScanner.scanClasspathModules(ExtensionModuleScanner.java:54)
      	at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.<init>(MetaClassRegistryImpl.java:110)
      	at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.<init>(MetaClassRegistryImpl.java:71)
      	at groovy.lang.GroovySystem.<clinit>(GroovySystem.java:33)
      	at org.codehaus.groovy.runtime.InvokerHelper.<clinit>(InvokerHelper.java:61)
      	at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallStaticSite(CallSiteArray.java:72)
      	at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallSite(CallSiteArray.java:159)
      	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
      	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)
      	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116)
      	at groovy.ui.Console.<clinit>(Console.groovy:79)
      	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      	at java.lang.reflect.Method.invoke(Method.java:597)
      	at org.codehaus.groovy.tools.GroovyStarter.rootLoader(GroovyStarter.java:106)
      	at org.codehaus.groovy.tools.GroovyStarter.main(GroovyStarter.java:128)
      

      The reason is that the groovy-nio module is built with the 51.0 class file format. Removing the groovy-nio makes groovyConsole startup again.

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            • Assignee:
              melix C├ędric Champeau
              Reporter:
              asteingress Andre Steingress
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                Updated:
                Resolved: