This has fixed by Deepal in trunk (r1139484) but need to fix in 1.5/1.6 branches too.
Integrated in axis2-1.5 #157 (See https://builds.apache.org/job/axis2-1.5/157/)
Merged r1139484 to the 1.5 branch (AXIS2-5086).
Integrated in axis2-1.6 #59 (See https://builds.apache.org/job/axis2-1.6/59/)
Merged r1139484 to the 1.6 branch (AXIS2-5086).
Fixed in r1143030 and r1143029.