RTC Client 5.0.1 Crash randomly on RHEL 6.5

I have installed RTC Client 5.0.1 using IM 1.8 on my RHEL 6.5(Santiago) and it randomly crashed with the following message:

Error:

JVM terminated. Exit code=1
/opt/ibm/TeamConcert//jdk/jre/bin/javaw
-Xms100m
-Xmx1024m
-Xmnx64m
-Xgcpolicy:gencon
-Xscmx96m
-Xshareclasses:name=IBMSDP_%u
-Xcompressedrefs
-jar /opt/ibm/TeamConcert//plugins/org.eclipse.equinox.launcher_1.3.0.v20120522-1813.jar
-os linux
-ws gtk
-arch x86_64
-showsplash
-launcher /opt/ibm/TeamConcert/eclipse
-name Eclipse
--launcher.library /opt/ibm/TeamConcert//plugins/org.eclipse.equinox.launcher.gtk.linux.x86_64_1.1.200.v20120913-144807/eclipse_1502.so
-startup /opt/ibm/TeamConcert//plugins/org.eclipse.equinox.launcher_1.3.0.v20120522-1813.jar
--launcher.overrideVmargs
-exitdata 52802b
-install /opt/ibm/TeamConcert
-product com.ibm.team.concert.product
-vm /opt/ibm/TeamConcert//jdk/jre/bin/javaw
-vmargs
-Xms100m
-Xmx1024m
-Xmnx64m
-Xgcpolicy:gencon
-Xscmx96m
-Xshareclasses:name=IBMSDP_%u
-Xcompressedrefs
-jar /opt/ibm/TeamConcert//plugins/org.eclipse.equinox.launcher_1.3.0.v20120522-1813.jar

Dump trace:

NULL           ------------------------------------------------------------------------
0SECTION       THREADS subcomponent dump routine
NULL           =================================
NULL
1XMPOOLINFO    JVM Thread pool info:
2XMPOOLTOTAL       Current total number of pooled threads: 77
2XMPOOLLIVE        Current total number of live threads: 66
2XMPOOLDAEMON      Current total number of live daemon threads: 25
NULL           
1XMCURTHDINFO  Current thread
3XMTHREADINFO      "main" J9VMThread:0x00000000222E4100, j9thread_t:0x00007F8CC002DC00, java/lang/Thread:0x0000000002313EE8, state:R, prio=6
3XMJAVALTHREAD            (java/lang/Thread getId:0x1, isDaemon:false)
3XMTHREADINFO1            (native thread ID:0x5DEA, native priority:0x6, native policy:UNKNOWN)
3XMTHREADINFO2            (native stack address range from:0x00007F8CC6F3C000, to:0x00007F8CC793D000, size:0xA01000)
3XMCPUTIME               CPU usage total: 67.045966602 secs
3XMHEAPALLOC             Heap bytes allocated since last GC cycle=3201136 (0x30D870)
3XMTHREADINFO3           Java callstack:
4XESTACKTRACE                at org/eclipse/swt/internal/webkit/WebKitGTK._JSEvaluateScript(Native Method)
4XESTACKTRACE                at org/eclipse/swt/internal/webkit/WebKitGTK.JSEvaluateScript(WebKitGTK.java:144)
4XESTACKTRACE                at org/eclipse/swt/browser/WebKit.execute(WebKit.java:970)
4XESTACKTRACE                at org/eclipse/swt/browser/WebKit.addEventHandlers(WebKit.java:883)
4XESTACKTRACE                at org/eclipse/swt/browser/WebKit.webkit_window_object_cleared(WebKit.java:2331)
4XESTACKTRACE                at org/eclipse/swt/browser/WebKit.webViewProc(WebKit.java:562)
4XESTACKTRACE                at org/eclipse/swt/browser/WebKit.Proc(WebKit.java:440)
4XESTACKTRACE                at org/eclipse/swt/internal/webkit/WebKitGTK._webkit_web_view_load_uri(Native Method)
4XESTACKTRACE                at org/eclipse/swt/internal/webkit/WebKitGTK.webkit_web_view_load_uri(WebKitGTK.java:1492)
4XESTACKTRACE                at org/eclipse/swt/browser/WebKit.setText(WebKit.java:1703)
4XESTACKTRACE                at org/eclipse/swt/browser/Browser.setText(Browser.java:1071)
4XESTACKTRACE                at org/eclipse/swt/browser/Browser.setText(Browser.java:1029)
4XESTACKTRACE                at com/ibm/team/jface/internal/tooltip/HoverTooltip.setText(HoverTooltip.java:362)
4XESTACKTRACE                at com/ibm/team/jface/tooltip/TooltipSupport.setMarkup(TooltipSupport.java:684)
4XESTACKTRACE                at com/ibm/team/jface/tooltip/TooltipSupport.openHoverToolTip(TooltipSupport.java:589)
4XESTACKTRACE                at com/ibm/team/jface/tooltip/TooltipSupport.showHoverToolTip(TooltipSupport.java:483)
4XESTACKTRACE                at com/ibm/team/jface/tooltip/TooltipSupport$4.handleEvent(TooltipSupport.java:527(Compiled Code))
4XESTACKTRACE                at org/eclipse/swt/widgets/EventTable.sendEvent(EventTable.java:84(Compiled Code))
4XESTACKTRACE                at org/eclipse/swt/widgets/Display.sendEvent(Display.java:4454(Compiled Code))
4XESTACKTRACE                at org/eclipse/swt/widgets/Widget.sendEvent(Widget.java:1388(Compiled Code))
4XESTACKTRACE                at org/eclipse/swt/widgets/Display.runDeferredEvents(Display.java:3799(Compiled Code))
4XESTACKTRACE                at org/eclipse/swt/widgets/Display.readAndDispatch(Display.java:3409(Compiled Code))
4XESTACKTRACE                at org/eclipse/e4/ui/internal/workbench/swt/PartRenderingEngine$9.run(PartRenderingEngine.java:1151)
4XESTACKTRACE                at org/eclipse/core/databinding/observable/Realm.runWithDefault(Realm.java:332)
4XESTACKTRACE                at org/eclipse/e4/ui/internal/workbench/swt/PartRenderingEngine.run(PartRenderingEngine.java:1032)
4XESTACKTRACE                at org/eclipse/e4/ui/internal/workbench/E4Workbench.createAndRunUI(E4Workbench.java:148)
4XESTACKTRACE                at org/eclipse/ui/internal/Workbench$5.run(Workbench.java:636)
4XESTACKTRACE                at org/eclipse/core/databinding/observable/Realm.runWithDefault(Realm.java:332)
4XESTACKTRACE                at org/eclipse/ui/internal/Workbench.createAndRunWorkbench(Workbench.java:579)
4XESTACKTRACE                at org/eclipse/ui/PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
4XESTACKTRACE                at org/eclipse/ui/internal/ide/application/IDEApplication.start(IDEApplication.java:135)
4XESTACKTRACE                at org/eclipse/equinox/internal/app/EclipseAppHandle.run(EclipseAppHandle.java:196)
4XESTACKTRACE                at org/eclipse/core/runtime/internal/adaptor/EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
4XESTACKTRACE                at org/eclipse/core/runtime/internal/adaptor/EclipseAppLauncher.start(EclipseAppLauncher.java:104)
4XESTACKTRACE                at org/eclipse/core/runtime/adaptor/EclipseStarter.run(EclipseStarter.java:380)
4XESTACKTRACE                at org/eclipse/core/runtime/adaptor/EclipseStarter.run(EclipseStarter.java:235)
4XESTACKTRACE                at sun/reflect/NativeMethodAccessorImpl.invoke0(Native Method)
4XESTACKTRACE                at sun/reflect/NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:94)
4XESTACKTRACE                at sun/reflect/DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
4XESTACKTRACE                at java/lang/reflect/Method.invoke(Method.java:619)
4XESTACKTRACE                at org/eclipse/equinox/launcher/Main.invokeFramework(Main.java:648)
4XESTACKTRACE                at org/eclipse/equinox/launcher/Main.basicRun(Main.java:603)
4XESTACKTRACE                at org/eclipse/equinox/launcher/Main.run(Main.java:1465)
4XESTACKTRACE                at org/eclipse/equinox/launcher/Main.main(Main.java:1438)