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From Konstantin Boudnik <...@apache.org>
Subject Re: HDFS and libhfds
Date Tue, 07 Dec 2010 22:29:03 GMT
It is seems that you're trying to run ant with java5. Make sure your
JAVA_HOME is set properly.
--
  Take care,
Konstantin (Cos) Boudnik



2010/12/7 Petrucci Andreas <petrucci_2005@hotmail.com>:
>
> hello there, im trying to compile libhdfs in order  but there are some problems. According
to http://wiki.apache.org/hadoop/MountableHDFS  i have already installes fuse. With ant compile-c++-libhdfs
-Dlibhdfs=1 the buils is successful.
>
> However when i try ant package -Djava5.home=... -Dforrest.home=... the build fails and
the output is the below :
>
>  [exec]
>     [exec] Exception in thread "main" java.lang.UnsupportedClassVersionError: Bad version
number in .class file
>     [exec]     at java.lang.ClassLoader.defineClass1(Native Method)
>     [exec]     at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
>     [exec]     at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
>     [exec]     at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
>     [exec]     at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
>     [exec]     at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
>     [exec]     at java.security.AccessController.doPrivileged(Native Method)
>     [exec]     at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
>     [exec]     at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
>     [exec]     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
>     [exec]     at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
>     [exec]     at org.apache.avalon.excalibur.logger.DefaultLogTargetFactoryManager.configure(DefaultLogTargetFactoryManager.java:113)
>     [exec]     at org.apache.avalon.framework.container.ContainerUtil.configure(ContainerUtil.java:201)
>     [exec]     at org.apache.avalon.excalibur.logger.LogKitLoggerManager.setupTargetFactoryManager(LogKitLoggerManager.java:436)
>     [exec]     at org.apache.avalon.excalibur.logger.LogKitLoggerManager.configure(LogKitLoggerManager.java:400)
>     [exec]     at org.apache.avalon.framework.container.ContainerUtil.configure(ContainerUtil.java:201)
>     [exec]     at org.apache.cocoon.core.CoreUtil.initLogger(CoreUtil.java:607)
>     [exec]     at org.apache.cocoon.core.CoreUtil.init(CoreUtil.java:169)
>     [exec]     at org.apache.cocoon.core.CoreUtil.<init>(CoreUtil.java:115)
>     [exec]     at org.apache.cocoon.bean.CocoonWrapper.initialize(CocoonWrapper.java:128)
>     [exec]     at org.apache.cocoon.bean.CocoonBean.initialize(CocoonBean.java:97)
>     [exec]     at org.apache.cocoon.Main.main(Main.java:310)
>     [exec] Java Result: 1
>     [exec]
>     [exec]   Copying broken links file to site root.
>     [exec]
>     [exec]
>     [exec] BUILD FAILED
>     [exec] /apache-forrest-0.8/main/targets/site.xml:175: Warning: Could not find file
/hadoop-0.20.2/src/docs/build/tmp/brokenlinks.xml to copy.
>     [exec]
>     [exec] Total time: 4 seconds
>
> BUILD FAILED
> /hadoop-0.20.2/build.xml:867: exec returned: 1
>
>
> any ideas what's wrong???
>

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