[MonetDB-users] Installation Problems

Scott Stephens stephens.js at gmail.com
Wed Sep 24 04:56:32 CEST 2008


I ran ant -diagnostics:

------- Ant diagnostics report -------
Apache Ant version 1.7.0 compiled on September 8 2008

-------------------------------------------
 Implementation Version
-------------------------------------------
core tasks     : 1.7.0
optional tasks : not available

-------------------------------------------
 ANT PROPERTIES
-------------------------------------------
ant.version: Apache Ant version 1.7.0 compiled on September 8 2008
ant.java.version: 1.5
ant.core.lib: /usr/share/ant/lib/ant.jar
ant.home: /usr/share/ant

<snip>

-------------------------------------------
 org.apache.env.Which diagnostics
-------------------------------------------
Not available.
Download it at http://xml.apache.org/commons/

-------------------------------------------
 XML Parser information
-------------------------------------------
Bad version number in .class file

It looks like  was using java 1.5 in both ant and javac, but the last
line is definitely concerning.  I installed Sun Java 1.6 and I got a
much more reasonable ant -diagnostics printout.  Of course I need
either java 1.4 or 1.5 to build MonetDB... which leaves me in a bit of
a bind I guess.  For the time being I'll try building Monet with java
1.6 anyway and see how that goes.

-- Scott

On Mon, Sep 22, 2008 at 10:00 AM, Stefan Manegold
<Stefan.Manegold at cwi.nl> wrote:
> On Mon, Sep 22, 2008 at 04:51:13PM +0200, Ying Zhang wrote:
>> Hello Scott,
>>
>> First of all, thanks for trying MonetDB.
>>
>> On Mon, Sep 22, 2008 at 07:46:28AM -0500, Scott Stephens wrote:
>> > I've been attempting to install MonetDB by compiling the Aug. 2008
>> > superball.  My system is 64-bit linux, specifically the Ubuntu
>> > Intrepid Ibex alpha .  It appears that the installation is failing
>> > while compiling the JDBC driver, with the error message:
>> >
>> > BUILD FAILED
>> > java.lang.UnsupportedClassVersionError: Bad version number in .class file
>> >
>> > I'm using the Sun Java 1.5.0 JRE and JDK.  You can look at my full
>> > installation log here:
>> > http://docs.google.com/Doc?id=dhqbmd8x_6fqdnn7c3
>> > Can somebody help me out?  I'm hoping I've just made an easily
>> > corrected newbie mistake, but I'm out of things to try.
>>
>> This looks like you have multiple versions of java/javac installed on
>> your system. 'ant' might be using a different java compiler than the one
>> 'javac' in your path (but I unfortunately don't know how to find which
>> javac ant is using...).
>
> `ant -diagnostics` ?
>
> Stefan
>
>> Can you maybe search for all java versions you have, and
>> remove/disable all but one version?
>>
>>
>> Kind regards,
>>
>> Jennie
>>
>> >
>> > Thanks,
>> >
>> > Scott
>>
>>
>>
>>
>> >
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>
> --
> | Dr. Stefan Manegold | mailto:Stefan.Manegold at cwi.nl |
> | CWI,  P.O.Box 94079 | http://www.cwi.nl/~manegold/  |
> | 1090 GB Amsterdam   | Tel.: +31 (20) 592-4212       |
> | The Netherlands     | Fax : +31 (20) 592-4312       |
>
> -------------------------------------------------------------------------
> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge
> Build the coolest Linux based applications with Moblin SDK & win great prizes
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> _______________________________________________
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