Getting full GC error in Jbsoss log(DFS code)

Hi,

We are getting full GC error in jboss log(DFS code) file. During the full GC jboss server is getting slow. Below is the thread dump of jboss server. Kindly suggest to fix this issue.

"Thread-126" #174 daemon prio=5 os_prio=0 tid=0x00007f9c84729000 nid=0x139e39 waiting on condition [0x00007f9c8b6fb000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x000000028c92b268> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)

"http-/172.16.2.151:7001-4" #155 daemon prio=5 os_prio=0 tid=0x00007f9cbc005800 nid=0x139dc6 waiting for monitor entry [0x00007f9c8b5f8000]
java.lang.Thread.State: BLOCKED (on object monitor)
at com.emc.documentum.fs.rt.context.impl.DfsSoapService.newWebServiceClient(DfsSoapService.java:171)
- waiting to lock <0x0000000288c79fe0> (a java.lang.Class for com.emc.documentum.fs.services.core.QueryService)
at com.emc.documentum.fs.rt.context.impl.DfsSoapService.init(DfsSoapService.java:69)
at com.emc.documentum.fs.rt.context.impl.DfsSoapService.getBindingProvider(DfsSoapService.java:62)
at com.emc.documentum.fs.rt.context.impl.HttpSessionInvocationHandler.invoke(HttpSessionInvocationHandler.java:54)
at com.emc.documentum.fs.rt.context.impl.RemoteServiceInterfaceInvocationHandler.invoke(RemoteServiceInterfaceInvocationHandler.java:30)
at com.emc.documentum.fs.rt.context.impl.ReturnedContentTransformationHandler.invoke(ReturnedContentTransformationHandler.java:45)
at com.emc.documentum.fs.rt.context.impl.OperationOptionsHandler.invoke(OperationOptionsHandler.java:74)
at com.emc.documentum.fs.rt.context.impl.ContextThreadLocalInvocationHandler.invoke(ContextThreadLocalInvocationHandler.java:48)
at com.emc.documentum.fs.rt.context.impl.ServiceContextInvocationHandler.invoke(ServiceContextInvocationHandler.java:30)
at com.emc.documentum.fs.rt.context.impl.FileRegistryCleanupHandler.invoke(FileRegistryCleanupHandler.java:24)
at com.sun.proxy.$Proxy108.execute(Unknown Source)
at com.tcl.webservices.ExecuteQueryService.getQueryResult(ExecuteQueryService.java:144)
at com.tcl.webservices.CreateDocumentService.getContentTypeFormat(CreateDocumentService.java:972)