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From Mike Tutkowski <mike.tutkow...@solidfire.com>
Subject Re: Did anyone get this error in SecondaryStorageVM in master branch? => Exception in thread "main" java.lang.UnsupportedClassVersionError: com/cloud/agent/AgentShell : Unsupported major.minor version 51.0
Date Tue, 04 Feb 2014 01:42:41 GMT
Ah, yes, of course - thanks, Nitin!


On Mon, Feb 3, 2014 at 6:39 PM, Nitin Mehta <Nitin.Mehta@citrix.com> wrote:

> I am able to access it (try copy pasting the link rather than clicking it
> since it gets wrapped). Pasting the text as well.
>
> ===========================================================================
> ===================================
> FYI, this happens when you accidentally install different versions of Java
> for compile and
> runtime.
>
> E.g.
>
> Compile with javac...
>
> root@mgmtserver:~/github/cshv3/tools/apidoc# which javac
> /usr/bin/javac
> root@mgmtserver:~/github/cshv3/tools/apidoc# ls -al /usr/bin/javac
> lrwxrwxrwx 1 root root 23 Jul 16 19:58 /usr/bin/javac ->
> /etc/alternatives/javac
> root@mgmtserver:~/github/cshv3/tools/apidoc# ls -al
> /etc/alternatives/javac
> lrwxrwxrwx 1 root root 43 Jul 16 19:58 /etc/alternatives/javac ->
> /usr/lib/jvm/java-7-openjdk-amd64/bin/javac
>
>
> Run with java...
>
> root@mgmtserver:~/github/cshv3/tools/apidoc# which java
> /usr/bin/java
> root@mgmtserver:~/github/cshv3/tools/apidoc# ls -al /usr/bin/java
> lrwxrwxrwx 1 root root 22 Jul 16 17:15 /usr/bin/java ->
> /etc/alternatives/java
> root@mgmtserver:~/github/cshv3/tools/apidoc# ls -al /etc/alternatives/java
> lrwxrwxrwx 1 root root 46 Jul 16 17:15 /etc/alternatives/java ->
> /usr/lib/jvm/java-6-openjdk-amd64/jre/bin/java
>
>
>
> Fix?
>
> In my case, I wanted to try out the version 7 JRE.
>
>  sudo apt-get install openjdk-7-jre
>
> This wasn't enough.  I also had to purge the version 6 JRE
>
>  apt-get purge openjdk-6-*
>
> Sources:
>
> http://stackoverflow.com/questions/11239086/java-lang-unsupportedclassversi
> onerror-unsupported-major-minor-version-51-0
> http://openjdk.java.net/install/
> http://askubuntu.com/questions/64329/how-to-replace-openjdk-6-with-openjdk-
> 7
>
> > -----Original Message-----
> > From: MEHDI ALI SOLTANI [mailto:mehdi_alisoltani@yahoo.com]
> > Sent: 10 May 2013 5:01 PM
> > To: dev@cloudstack.apache.org
> > Subject: CloudStack Compile Error
> >
> > Hi
> > I used mvn clean install -P developer,systemvm according to
> > https://cwiki.apache.org/CLOUDSTACK/how-to-build-on-master-
> > branch.html
> > but i got this error
> > .
> > .
> > .
> > Exception in thread "main" java.lang.UnsupportedClassVersionError:
> > XmlToHtmlConverter : Unsupported major.minor version 51.0 at
> > java.lang.ClassLoader.defineClass1(Native Method) at
> > java.lang.ClassLoader.defineClass(ClassLoader.java:634)
> > at
> >java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
> > at java.net.URLClassLoader.defineClass(URLClassLoader.java:277)
> > at java.net.URLClassLoader.access$000(URLClassLoader.java:73)
> > at java.net.URLClassLoader$1.run(URLClassLoader.java:212)
> > at java.security.AccessController.doPrivileged(Native Method) at
> > java.net.URLClassLoader.findClass(URLClassLoader.java:205)
> > at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
> > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
> > at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
> > Could not find the main class: XmlToHtmlConverter. Program will exit.
> > [INFO]
> >------------------------------------------------------------------------
> > [INFO] Reactor Summary:
> > [INFO]
> > [INFO] Apache CloudStack ................................. SUCCESS
> >[6.625s] [INFO]
> > Apache CloudStack Utils ........................... SUCCESS [27.954s]
> >[INFO] Apache
> > CloudStack API ............................. SUCCESS [25.212s] [INFO]
> >Apache
> > CloudStack Framework ....................... SUCCESS [0.163s] ....
> > ....
> > ...
> > INFO] Apache CloudStack Developer Tools ................. SUCCESS
> >[0.159s]
> > [INFO] Apache CloudStack apidocs ......................... FAILURE
> >[16.577s] [INFO]
> > Apache CloudStack marvin .......................... SKIPPED [INFO] Apache
> > CloudStack cloudmonkey cli ................. SKIPPED [INFO] Apache
> >CloudStack
> > DevCloud ........................ SKIPPED [INFO] Apache CloudStack
> >DevCloud-
> > KVM .................... SKIPPED [INFO]
> >---------------------------------------------------
> > ---------------------
> > [INFO] BUILD FAILURE
> > [INFO]
> >------------------------------------------------------------------------
> > [INFO] Total time: 10:53.864s
> > [INFO] Finished at: Fri May 10 20:21:00 IRDT 2013 [INFO] Final Memory:
> > 47M/329M [INFO]
> >-----------------------------------------------------------------------
> > -
> > [ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-
> > plugin:1.2.1:exec (compile) on project cloud-apidoc: Command execution
> > failed. Process exited with an error: 1 (Exit value: 1) -> [Help 1]
> >[ERROR]
> > [ERROR] To see the full stack trace of the errors, re-run Maven with the
> >-e
> > switch.
> > [ERROR] Re-run Maven using the -X switch to enable full debug logging.
> > [ERROR]
> > [ERROR] For more information about the errors and possible solutions,
> > please read the following articles:
> > [ERROR] [Help 1]
> > http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionExcepti
> > on
> > [ERROR]
> > [ERROR] After correcting the problems, you can resume the build with the
> > command [ERROR]   mvn <goals> -rf :cloud-apidoc
> >
> > I tested it without developer    mvn clean install -P systemvm
> >
> > but, again i got the same error.
> > please tell me how I can fix this error.
> >
> > Sincerely
> > Mehdi Ali Soltani
>
>
> ===========================================================================
> =======================================================
>
>
>
> On 03/02/14 5:11 PM, "Mike Tutkowski" <mike.tutkowski@solidfire.com>
> wrote:
>
> >I can't access the link Nitin provided. :(
> >
> >I wonder if setting router.version.check to false would allow you to get
> >this working, Jessica?
> >
> >
> >On Mon, Feb 3, 2014 at 6:05 PM, Nitin Mehta <Nitin.Mehta@citrix.com>
> >wrote:
> >
> >> Something similar was discussed before. Check the thread.
> >>
> >>
> http://mail-archives.apache.org/mod_mbox/cloudstack-dev/201307.mbox/%3C9A
> >>DD
> >> E3F979256644BED8F0D244BE51F004EBAD@LONPEX01CL02.citrite.net%3E
> >>
> >>
> >> On 03/02/14 4:43 PM, "Jessica Wang" <Jessica.Wang@citrix.com> wrote:
> >>
> >> >Hi,
> >> >
> >> >Did anyone get this error in SecondaryStorageVM in master branch?
> >> >
> >>
> >>>========================================================================
> >>>==
> >> >====
> >> >
> >> >Exception in thread "main" java.lang.UnsupportedClassVersionError:
> >> >com/cloud/age
> >> >nt/AgentShell : Unsupported major.minor version 51.0
> >> > at java.lang.ClassLoader.defineClass1(Native Method)
> >> > at java.lang.ClassLoader.defineClass(ClassLoader.java:634)
> >> > at
> >>java.security.SecureClassLoader.defineClass(SecureClassLoader.java:14
> >> >2)
> >> > at java.net.URLClassLoader.defineClass(URLClassLoader.java:277)
> >> > at java.net.URLClassLoader.access$000(URLClassLoader.java:73)
> >> > at java.net.URLClassLoader$1.run(URLClassLoader.java:212)
> >> > at java.security.AccessController.doPrivileged(Native Method)
> >> > at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
> >> > at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
> >> > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
> >> > at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
> >> >Could not find the main class: com.cloud.agent.AgentShell. Program will
> >> >exit.
> >>
> >>>========================================================================
> >>>==
> >> >====
> >> >
> >> >Thanks.
> >> >
> >> >Jessica
> >>
> >>
> >
> >
> >--
> >*Mike Tutkowski*
> >*Senior CloudStack Developer, SolidFire Inc.*
> >e: mike.tutkowski@solidfire.com
> >o: 303.746.7302
> >Advancing the way the world uses the
> >cloud<http://solidfire.com/solution/overview/?video=play>
> >*(tm)*
>
>


-- 
*Mike Tutkowski*
*Senior CloudStack Developer, SolidFire Inc.*
e: mike.tutkowski@solidfire.com
o: 303.746.7302
Advancing the way the world uses the
cloud<http://solidfire.com/solution/overview/?video=play>
*(tm)*

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