[jboss-user] [Javassist] - Does Javassist 3.17.0-GA have to be used with Java 1.7?

[Ngoc Dao]

Ngoc Dao [https://community.jboss.org/people/ngocdaothanh] created the discussion

"Does Javassist 3.17.0-GA have to be used with Java 1.7?"

To view the discussion, visit: https://community.jboss.org/message/777279#777279

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Does Javassist 3.17.0-GA have to be used with Java 1.7? Is it intentional?

I have the below error. You can reproduce with Java 1.6 and this:

git clone git://github.com/ngocdaothanh/xitrum-new.git
cd xitrum-new
git checkout 1.9.9
sbt/sbt run

java.lang.UnsupportedClassVersionError: javassist/ClassPath : Unsupported major.minor version 51.0
          at java.lang.ClassLoader.defineClass1(Native Method) ~[na:1.6.0_37]
          at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) ~[na:1.6.0_37]
          at java.lang.ClassLoader.defineClass(ClassLoader.java:615) ~[na:1.6.0_37]
          at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) ~[na:1.6.0_37]
          at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) ~[na:1.6.0_37]
          at java.net.URLClassLoader.access$000(URLClassLoader.java:58) ~[na:1.6.0_37]
          at java.net.URLClassLoader$1.run(URLClassLoader.java:197) ~[na:1.6.0_37]
          at java.security.AccessController.doPrivileged(Native Method) ~[na:1.6.0_37]
          at java.net.URLClassLoader.findClass(URLClassLoader.java:190) ~[na:1.6.0_37]
          at java.lang.ClassLoader.loadClass(ClassLoader.java:306) ~[na:1.6.0_37]
          at java.lang.ClassLoader.loadClass(ClassLoader.java:247) ~[na:1.6.0_37]
          at xitrum.routing.Routes$.fromCacheFileOrRecollectReal(Routes.scala:195) [xitrum_2.9.2.jar:1.9.10-SNAPSHOT]
          at xitrum.routing.Routes$.fromCacheFileOrRecollectWithRetry(Routes.scala:170) [xitrum_2.9.2.jar:1.9.10-SNAPSHOT]
          at xitrum.routing.Routes$.fromCacheFileOrRecollect(Routes.scala:156) [xitrum_2.9.2.jar:1.9.10-SNAPSHOT]
          at xitrum.handler.Server$.start(Server.scala:18) [xitrum_2.9.2.jar:1.9.10-SNAPSHOT]
          at demos.Boot$.main(Boot.scala:12) [classes/:na]
          at demos.Boot.main(Boot.scala) [classes/:na]
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.6.0_37]
          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) ~[na:1.6.0_37]
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) ~[na:1.6.0_37]
          at java.lang.reflect.Method.invoke(Method.java:597) ~[na:1.6.0_37]
          at sbt.Run.invokeMain(Run.scala:68) [run-0.12.0.jar:0.12.0]
          at sbt.Run.run0(Run.scala:61) [run-0.12.0.jar:0.12.0]
          at sbt.Run.execute$1(Run.scala:50) [run-0.12.0.jar:0.12.0]
          at sbt.Run$$anonfun$run$1.apply$mcV$sp(Run.scala:54) [run-0.12.0.jar:0.12.0]
          at sbt.TrapExit$.executeMain$1(TrapExit.scala:33) [run-0.12.0.jar:0.12.0]
          at sbt.TrapExit$$anon$1.run(TrapExit.scala:42) [run-0.12.0.jar:0.12.0]
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