Compilation errors when using non-Sun JDKs to build HBase-0.94

When using IBM Java 7 to build HBase-0.94.1, the following comilation error is seen.

[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] /home/hadoop/hbase-0.94/src/test/java/org/apache/hadoop/hbase/ResourceChecker.java:[23,25] error: package com.sun.management does not exist
[ERROR] /home/hadoop/hbase-0.94/src/test/java/org/apache/hadoop/hbase/ResourceChecker.java:[46,25] error: cannot find symbol
[ERROR] symbol: class UnixOperatingSystemMXBean
location: class ResourceAnalyzer
/home/hadoop/hbase-0.94/src/test/java/org/apache/hadoop/hbase/ResourceChecker.java:[75,29] error: cannot find symbol
[ERROR] symbol: class UnixOperatingSystemMXBean
location: class ResourceAnalyzer
/home/hadoop/hbase-0.94/src/test/java/org/apache/hadoop/hbase/ResourceChecker.java:[76,23] error: cannot find symbol
[INFO] 4 errors
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------

I have a patch available which should work for all JDKs including Sun.
I am in the process of testing this patch. Preliminary tests indicate the build is working fine with this patch. I will post this patch when I am done testing.