Full GC 导致服务器问题如何处理

[fake coder]

这两天服务器遇到一个问题，weblogic上的某个服务突然GC直到服务器崩掉，这类问题有什么好办法如何定位，虽然GC，但是设置最大是2048M，没有outofMomery，求大神给点思路；
[GC 432667K->145848K(1031680K), 0.0611770 secs]
[GC 469944K->204097K(1029120K), 0.0713430 secs]
[GC 508737K->258616K(1040896K), 0.0739430 secs]
[GC 1244585K->851573K(1612288K), 0.1382200 secs]
[GC 1295989K->932125K(1571840K), 0.4478870 secs]
[GC 1376541K->1010272K(1614848K), 0.3732260 secs]
[Full GC 1010272K->999402K(1965568K), 2.8277930 secs]
[Full GC 1678264K->1674183K(1848832K), 4.7707080 secs]
[Full GC 1678263K->1674254K(1848832K), 4.7814380 secs]
[Full GC 1678263K->1674386K(1848832K), 4.8421640 secs]
[Full GC 1678239K->1674413K(1848832K), 4.8897900 secs]
[Full GC 1678238K->1674307K(1848832K), 4.8856850 secs]
[Full GC 1678215K->1674372K(1848832K), 4.8893260 secs]
[Full GC 1678161K->1674753K(1848832K), 4.8158300 secs]
[Full GC 1678170K->1674844K(1848832K), 3.6788060 secs]
[Full GC 1678170K->1675245K(1848832K), 4.9142060 secs]
[Full GC 1678170K->1675307K(1848832K), 4.7959410 secs]
[Full GC 1678169K->1675597K(1848832K), 4.7652110 secs]
[Full GC 1678169K->1675697K(1848832K), 4.8392450 secs]
[Full GC 1678161K->1675671K(1848832K), 4.8340620 secs]
[Full GC 1678161K->1675751K(1848832K), 4.8097800 secs]
[Full GC 1678160K->1675735K(1848832K), 4.8568050 secs]