UnsupportedClassVersionError when building zkpython

2009-10-12 Thread Steven Wong
Any idea how I can get it to build? ZooKeeper 3.2.1 (tarball release) on
Mac OS X 10.5.8. Thanks.

 

sw...@lgmac-swong:~/lib/zookeeper/src/contrib/zkpython 9173 sudo ant
install

Buildfile: build.xml

 

BUILD FAILED

java.lang.UnsupportedClassVersionError: Bad version number in .class
file

at java.lang.ClassLoader.defineClass1(Native Method)

at
java.lang.ClassLoader.defineClass(ClassLoader.java:675)

at
org.apache.tools.ant.AntClassLoader.defineClassFromData(AntClassLoader.j
ava:1146)

at
org.apache.tools.ant.AntClassLoader.getClassFromStream(AntClassLoader.ja
va:1324)

at
org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoader
.java:1388)

at
org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:1341)

at
org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:1088)

at java.lang.ClassLoader.loadClass(ClassLoader.java:251)

at
org.apache.tools.ant.taskdefs.Available.checkClass(Available.java:446)

at
org.apache.tools.ant.taskdefs.Available.eval(Available.java:273)

at
org.apache.tools.ant.taskdefs.Available.execute(Available.java:225)

at
org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)

at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown
Source)

at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Impl.java:25)

at java.lang.reflect.Method.invoke(Method.java:585)

at
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:1
06)

at org.apache.tools.ant.Task.perform(Task.java:348)

at org.apache.tools.ant.Target.execute(Target.java:357)

at
org.apache.tools.ant.helper.ProjectHelper2.parse(ProjectHelper2.java:142
)

at
org.apache.tools.ant.ProjectHelper.configureProject(ProjectHelper.java:9
3)

at org.apache.tools.ant.Main.runBuild(Main.java:743)

at org.apache.tools.ant.Main.startAnt(Main.java:217)

at
org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)

at
org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)

 

Total time: 0 seconds

sw...@lgmac-swong:~/lib/zookeeper/src/contrib/zkpython 9178 sudo javac
-version

javac 1.6.0_07

 



Re: UnsupportedClassVersionError when building zkpython

2009-10-12 Thread Patrick Hunt
I've seen this before. Either you have an old version of ant, or your 
JAVA_HOME is not set, or it's set incorrectly (to 1.5 and ant is built 
for 1.6, or vice versa).


Patrick

Henry Robinson wrote:

Hi Steven -

I also see that problem if I build on my Mac sometimes. I'm looking into a
proper fix, but for now you can do:

ant compile
sudo python src/python/setup.py install

to build and install manually. If you have a moment, can you let me know
which ant you are using? (ant -version)

Thanks for bringing this up!

Henry

On Mon, Oct 12, 2009 at 9:06 PM, Steven Wong sw...@netflix.com wrote:


Any idea how I can get it to build? ZooKeeper 3.2.1 (tarball release) on
Mac OS X 10.5.8. Thanks.



sw...@lgmac-swong:~/lib/zookeeper/src/contrib/zkpython 9173 sudo ant
install

Buildfile: build.xml



BUILD FAILED

java.lang.UnsupportedClassVersionError: Bad version number in .class
file

   at java.lang.ClassLoader.defineClass1(Native Method)

   at
java.lang.ClassLoader.defineClass(ClassLoader.java:675)

   at
org.apache.tools.ant.AntClassLoader.defineClassFromData(AntClassLoader.j
ava:1146)

   at
org.apache.tools.ant.AntClassLoader.getClassFromStream(AntClassLoader.ja
va:1324)

   at
org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoader
.java:1388)

   at
org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:1341)

   at
org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:1088)

   at java.lang.ClassLoader.loadClass(ClassLoader.java:251)

   at
org.apache.tools.ant.taskdefs.Available.checkClass(Available.java:446)

   at
org.apache.tools.ant.taskdefs.Available.eval(Available.java:273)

   at
org.apache.tools.ant.taskdefs.Available.execute(Available.java:225)

   at
org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)

   at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown
Source)

   at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Impl.java:25)

   at java.lang.reflect.Method.invoke(Method.java:585)

   at
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:1
06)

   at org.apache.tools.ant.Task.perform(Task.java:348)

   at org.apache.tools.ant.Target.execute(Target.java:357)

   at
org.apache.tools.ant.helper.ProjectHelper2.parse(ProjectHelper2.java:142
)

   at
org.apache.tools.ant.ProjectHelper.configureProject(ProjectHelper.java:9
3)

   at org.apache.tools.ant.Main.runBuild(Main.java:743)

   at org.apache.tools.ant.Main.startAnt(Main.java:217)

   at
org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)

   at
org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)



Total time: 0 seconds

sw...@lgmac-swong:~/lib/zookeeper/src/contrib/zkpython 9178 sudo javac
-version

javac 1.6.0_07








RE: UnsupportedClassVersionError when building zkpython

2009-10-12 Thread Steven Wong
Thanks for the suggestions, guys. The build succeeded by doing either:

ant compile
sudo python src/python/setup.py install

or:

sudo env JAVA_HOME=$JAVA_HOME ant install

as JAVA_HOME is set (to 1.6) under my account but not set under sudo. I
don't know why JAVA_HOME is required, when default Java is 1.6 (sudo
javac -version returns 1.6).

ant is 1.7.1.

Steven


-Original Message-
From: Patrick Hunt [mailto:ph...@apache.org] 
Sent: Monday, October 12, 2009 9:33 PM
To: zookeeper-user@hadoop.apache.org
Subject: Re: UnsupportedClassVersionError when building zkpython

I've seen this before. Either you have an old version of ant, or your 
JAVA_HOME is not set, or it's set incorrectly (to 1.5 and ant is built 
for 1.6, or vice versa).

Patrick

Henry Robinson wrote:
 Hi Steven -
 
 I also see that problem if I build on my Mac sometimes. I'm looking
into a
 proper fix, but for now you can do:
 
 ant compile
 sudo python src/python/setup.py install
 
 to build and install manually. If you have a moment, can you let me
know
 which ant you are using? (ant -version)
 
 Thanks for bringing this up!
 
 Henry
 
 On Mon, Oct 12, 2009 at 9:06 PM, Steven Wong sw...@netflix.com
wrote:
 
 Any idea how I can get it to build? ZooKeeper 3.2.1 (tarball release)
on
 Mac OS X 10.5.8. Thanks.



 sw...@lgmac-swong:~/lib/zookeeper/src/contrib/zkpython 9173 sudo ant
 install

 Buildfile: build.xml



 BUILD FAILED

 java.lang.UnsupportedClassVersionError: Bad version number in .class
 file

at java.lang.ClassLoader.defineClass1(Native Method)

at
 java.lang.ClassLoader.defineClass(ClassLoader.java:675)

at

org.apache.tools.ant.AntClassLoader.defineClassFromData(AntClassLoader.j
 ava:1146)

at

org.apache.tools.ant.AntClassLoader.getClassFromStream(AntClassLoader.ja
 va:1324)

at

org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoader
 .java:1388)

at

org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:1341)

at

org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:1088)

at
java.lang.ClassLoader.loadClass(ClassLoader.java:251)

at

org.apache.tools.ant.taskdefs.Available.checkClass(Available.java:446)

at
 org.apache.tools.ant.taskdefs.Available.eval(Available.java:273)

at
 org.apache.tools.ant.taskdefs.Available.execute(Available.java:225)

at
 org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)

at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown
 Source)

at

sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
 Impl.java:25)

at java.lang.reflect.Method.invoke(Method.java:585)

at

org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:1
 06)

at org.apache.tools.ant.Task.perform(Task.java:348)

at
org.apache.tools.ant.Target.execute(Target.java:357)

at

org.apache.tools.ant.helper.ProjectHelper2.parse(ProjectHelper2.java:142
 )

at

org.apache.tools.ant.ProjectHelper.configureProject(ProjectHelper.java:9
 3)

at org.apache.tools.ant.Main.runBuild(Main.java:743)

at org.apache.tools.ant.Main.startAnt(Main.java:217)

at
 org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)

at
 org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)



 Total time: 0 seconds

 sw...@lgmac-swong:~/lib/zookeeper/src/contrib/zkpython 9178 sudo
javac
 -version

 javac 1.6.0_07