On Dec 12, 2007, at 1:36 PM, Andrzej Bialecki wrote:
Ted Dunning wrote:
Hadoop *normally* uses the Sun JDK. Using gcj successfully would
be a bit
of a surprise.
GCJ 4.2 does NOT work. With minor tweaks it's possible to compile
all Hadoop classes, including contrib, but it doesn't run properly.
The offending class is org.apache.hadoop.io.Text (CharacterEncoder
works differently from the Sun implementation, perhaps it's
broken). This class (Text) is widely used throughout Hadoop, so it
won't work with GCJ for now ...
If anyone knows of specific problems or workarounds, it would be
great to share them. I thought that gcj was still missing a lot of
the the java 1.5 libraries...
Actually, the piece I'd love to see working under gcj is the hdfs
client. I bet gcj would perform better that using jni in libhdfs.
-- Owen
